{Guide} Create a Gaming Virtual Machine - Page 23 - Overclock.net

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post #221 of 825 Old 10-20-2012, 11:17 PM
 
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What's /var/log/xen/xend.log look like. It will hopefully say what file it can't find.

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post #222 of 825 Old 10-21-2012, 12:30 AM
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Already rep'ed for this guide, but I finally got my new board and i7 3820. I'll hopefully be able to get this going soon! Great stuff my friend thumb.gif
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post #223 of 825 Old 10-21-2012, 02:23 AM
 
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Hi, Big THX for the reply wTheOnew thumb.gif

here is my log file. I cant really read something useful out of it maybe you can help me?
Warning: Spoiler! (Click to show)
Code:
[2012-10-19 22:23:30 1236] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-19 22:23:30 1236] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-19 22:23:32 1236] DEBUG (XendNode:332) pscsi record count: 12
[2012-10-19 22:23:32 1236] DEBUG (XendCPUPool:747) recreate_active_pools
[2012-10-19 22:23:32 1236] DEBUG (XendDomainInfo:151) XendDomainInfo.recreate({'max_vcpu_id': 3, 'cpu_time': 11589403014L, 'ssidref': 0, 'hvm': 0, 'shutdown_reason': 255, 'dying': 0, 'online_vcpus': 4, 'domid': 0, 'paused': 0, 'crashed': 0, 'running': 1, 'maxmem_kb': 17179869180L, 'shutdown': 0, 'mem_kb': 7086280L, 'blocked': 0, 'handle': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 'cpupool': 0, 'name': 'Domain-0'})
[2012-10-19 22:23:32 1236] INFO (XendDomainInfo:169) Recreating domain 0, UUID 00000000-0000-0000-0000-000000000000. at /local/domain/0
[2012-10-19 22:23:32 1236] DEBUG (XendDomainInfo:3420) Storing VM details: {'on_xend_stop': 'ignore', 'pool_name': 'Pool-0', 'shadow_memory': '0', 'uuid': '00000000-0000-0000-0000-000000000000', 'on_reboot': 'restart', 'image': "(linux (kernel '') (superpages 0) (nomigrate 0) (tsc_mode 0))", 'on_poweroff': 'destroy', 'bootloader_args': '', 'on_xend_start': 'ignore', 'on_crash': 'restart', 'xend/restart_count': '0', 'vcpus': '4', 'vcpu_avail': '15', 'bootloader': '', 'name': 'Domain-0'}
[2012-10-19 22:23:32 1236] DEBUG (XendDomainInfo:1794) Storing domain details: {'cpu/3/availability': 'online', 'description': '', 'console/limit': '1048576', 'memory/target': '7086280', 'cpu/2/availability': 'online', 'vm': '/vm/00000000-0000-0000-0000-000000000000', 'domid': '0', 'cpu/0/availability': 'online', 'cpu/1/availability': 'online', 'control/platform-feature-multiprocessor-suspend': '1', 'console/type': 'xenconsoled', 'name': 'Domain-0'}
[2012-10-19 22:23:32 1236] DEBUG (XendDomain:476) Adding Domain: 0
[2012-10-19 22:23:32 1236] DEBUG (XendDomain:410) number of vcpus to use is 0
[2012-10-19 22:23:32 1236] DEBUG (XendDomainInfo:1881) XendDomainInfo.handleShutdownWatch
[2012-10-19 22:23:32 1236] INFO (SrvServer:184) unix path=/var/lib/xend/xend-socket
[2012-10-19 22:23:32 1236] WARNING (XendAPI:708) API call: VBD.set_device not found
[2012-10-19 22:23:32 1236] WARNING (XendAPI:708) API call: VBD.set_type not found
[2012-10-19 22:23:32 1236] WARNING (XendAPI:708) API call: session.get_all_records not found
[2012-10-19 22:23:32 1236] WARNING (XendAPI:708) API call: event.get_record not found
[2012-10-19 22:23:32 1236] WARNING (XendAPI:708) API call: event.get_all not found
[2012-10-19 22:23:32 1236] WARNING (XendAPI:708) API call: VIF.set_device not found
[2012-10-19 22:23:32 1236] WARNING (XendAPI:708) API call: VIF.set_MAC not found
[2012-10-19 22:23:32 1236] WARNING (XendAPI:708) API call: VIF.set_MTU not found
[2012-10-19 22:23:32 1236] WARNING (XendAPI:708) API call: debug.get_all not found
[2012-10-19 22:23:32 1236] INFO (XMLRPCServer:161) Opening Unix domain socket XML-RPC server on /var/run/xend/xen-api.sock; authentication has been disabled for this server.
[2012-10-19 22:23:32 1236] INFO (XMLRPCServer:161) Opening Unix domain socket XML-RPC server on /var/run/xend/xmlrpc.sock.
[2012-10-19 22:34:50 1247] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-19 22:34:50 1247] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-19 22:34:51 1247] DEBUG (XendNode:332) pscsi record count: 12
[2012-10-19 22:34:51 1247] DEBUG (XendCPUPool:747) recreate_active_pools
[2012-10-19 22:34:51 1247] DEBUG (XendDomainInfo:151) XendDomainInfo.recreate({'max_vcpu_id': 3, 'cpu_time': 11038693989L, 'ssidref': 0, 'hvm': 0, 'shutdown_reason': 255, 'dying': 0, 'online_vcpus': 4, 'domid': 0, 'paused': 0, 'crashed': 0, 'running': 1, 'maxmem_kb': 17179869180L, 'shutdown': 0, 'mem_kb': 1164928L, 'blocked': 0, 'handle': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 'cpupool': 0, 'name': 'Domain-0'})
[2012-10-19 22:34:51 1247] INFO (XendDomainInfo:169) Recreating domain 0, UUID 00000000-0000-0000-0000-000000000000. at /local/domain/0
[2012-10-19 22:34:51 1247] DEBUG (XendDomainInfo:3420) Storing VM details: {'on_xend_stop': 'ignore', 'pool_name': 'Pool-0', 'shadow_memory': '0', 'uuid': '00000000-0000-0000-0000-000000000000', 'on_reboot': 'restart', 'image': "(linux (kernel '') (superpages 0) (nomigrate 0) (tsc_mode 0))", 'on_poweroff': 'destroy', 'bootloader_args': '', 'on_xend_start': 'ignore', 'on_crash': 'restart', 'xend/restart_count': '0', 'vcpus': '4', 'vcpu_avail': '15', 'bootloader': '', 'name': 'Domain-0'}
[2012-10-19 22:34:52 1247] DEBUG (XendDomainInfo:1794) Storing domain details: {'cpu/3/availability': 'online', 'description': '', 'console/limit': '1048576', 'memory/target': '1164928', 'cpu/2/availability': 'online', 'vm': '/vm/00000000-0000-0000-0000-000000000000', 'domid': '0', 'cpu/0/availability': 'online', 'cpu/1/availability': 'online', 'control/platform-feature-multiprocessor-suspend': '1', 'console/type': 'xenconsoled', 'name': 'Domain-0'}
[2012-10-19 22:34:52 1247] DEBUG (XendDomain:476) Adding Domain: 0
[2012-10-19 22:34:52 1247] DEBUG (XendDomain:410) number of vcpus to use is 0
[2012-10-19 22:34:52 1247] INFO (SrvServer:184) unix path=/var/lib/xend/xend-socket
[2012-10-19 22:34:52 1247] DEBUG (XendDomainInfo:1881) XendDomainInfo.handleShutdownWatch
[2012-10-19 22:34:52 1247] WARNING (XendAPI:708) API call: VBD.set_device not found
[2012-10-19 22:34:52 1247] WARNING (XendAPI:708) API call: VBD.set_type not found
[2012-10-19 22:34:52 1247] WARNING (XendAPI:708) API call: session.get_all_records not found
[2012-10-19 22:34:52 1247] WARNING (XendAPI:708) API call: event.get_record not found
[2012-10-19 22:34:52 1247] WARNING (XendAPI:708) API call: event.get_all not found
[2012-10-19 22:34:52 1247] WARNING (XendAPI:708) API call: VIF.set_device not found
[2012-10-19 22:34:52 1247] WARNING (XendAPI:708) API call: VIF.set_MAC not found
[2012-10-19 22:34:52 1247] WARNING (XendAPI:708) API call: VIF.set_MTU not found
[2012-10-19 22:34:52 1247] WARNING (XendAPI:708) API call: debug.get_all not found
[2012-10-19 22:34:52 1247] INFO (XMLRPCServer:161) Opening Unix domain socket XML-RPC server on /var/run/xend/xen-api.sock; authentication has been disabled for this server.
[2012-10-19 22:34:52 1247] INFO (XMLRPCServer:161) Opening Unix domain socket XML-RPC server on /var/run/xend/xmlrpc.sock.
[2012-10-19 22:56:39 1233] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-19 22:56:39 1233] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-19 22:56:40 1233] DEBUG (XendNode:332) pscsi record count: 12
[2012-10-19 22:56:40 1233] DEBUG (XendCPUPool:747) recreate_active_pools
[2012-10-19 22:56:40 1233] DEBUG (XendDomainInfo:151) XendDomainInfo.recreate({'max_vcpu_id': 3, 'cpu_time': 10384246434L, 'ssidref': 0, 'hvm': 0, 'shutdown_reason': 255, 'dying': 0, 'online_vcpus': 4, 'domid': 0, 'paused': 0, 'crashed': 0, 'running': 1, 'maxmem_kb': 17179869180L, 'shutdown': 0, 'mem_kb': 1164928L, 'blocked': 0, 'handle': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 'cpupool': 0, 'name': 'Domain-0'})
[2012-10-19 22:56:40 1233] INFO (XendDomainInfo:169) Recreating domain 0, UUID 00000000-0000-0000-0000-000000000000. at /local/domain/0
[2012-10-19 22:56:40 1233] DEBUG (XendDomainInfo:3420) Storing VM details: {'on_xend_stop': 'ignore', 'pool_name': 'Pool-0', 'shadow_memory': '0', 'uuid': '00000000-0000-0000-0000-000000000000', 'on_reboot': 'restart', 'image': "(linux (kernel '') (superpages 0) (nomigrate 0) (tsc_mode 0))", 'on_poweroff': 'destroy', 'bootloader_args': '', 'on_xend_start': 'ignore', 'on_crash': 'restart', 'xend/restart_count': '0', 'vcpus': '4', 'vcpu_avail': '15', 'bootloader': '', 'name': 'Domain-0'}
[2012-10-19 22:56:40 1233] DEBUG (XendDomainInfo:1794) Storing domain details: {'cpu/3/availability': 'online', 'description': '', 'console/limit': '1048576', 'memory/target': '1164928', 'cpu/2/availability': 'online', 'vm': '/vm/00000000-0000-0000-0000-000000000000', 'domid': '0', 'cpu/0/availability': 'online', 'cpu/1/availability': 'online', 'control/platform-feature-multiprocessor-suspend': '1', 'console/type': 'xenconsoled', 'name': 'Domain-0'}
[2012-10-19 22:56:40 1233] DEBUG (XendDomain:476) Adding Domain: 0
[2012-10-19 22:56:40 1233] DEBUG (XendDomainInfo:1881) XendDomainInfo.handleShutdownWatch
[2012-10-19 22:56:40 1233] DEBUG (XendDomain:410) number of vcpus to use is 0
[2012-10-19 22:56:40 1233] INFO (SrvServer:184) unix path=/var/lib/xend/xend-socket
[2012-10-19 22:56:40 1233] WARNING (XendAPI:708) API call: VBD.set_device not found
[2012-10-19 22:56:40 1233] WARNING (XendAPI:708) API call: VBD.set_type not found
[2012-10-19 22:56:40 1233] WARNING (XendAPI:708) API call: session.get_all_records not found
[2012-10-19 22:56:40 1233] WARNING (XendAPI:708) API call: event.get_record not found
[2012-10-19 22:56:40 1233] WARNING (XendAPI:708) API call: event.get_all not found
[2012-10-19 22:56:40 1233] WARNING (XendAPI:708) API call: VIF.set_device not found
[2012-10-19 22:56:40 1233] WARNING (XendAPI:708) API call: VIF.set_MAC not found
[2012-10-19 22:56:40 1233] WARNING (XendAPI:708) API call: VIF.set_MTU not found
[2012-10-19 22:56:40 1233] WARNING (XendAPI:708) API call: debug.get_all not found
[2012-10-19 22:56:40 1233] INFO (XMLRPCServer:161) Opening Unix domain socket XML-RPC server on /var/run/xend/xen-api.sock; authentication has been disabled for this server.
[2012-10-19 22:56:40 1233] INFO (XMLRPCServer:161) Opening Unix domain socket XML-RPC server on /var/run/xend/xmlrpc.sock.
[2012-10-19 22:57:43 1233] DEBUG (SrvServer:77) SrvServer.cleanup()
[2012-10-19 22:57:43 1233] DEBUG (XMLRPCServer:251) XMLRPCServer.cleanup()
[2012-10-19 22:57:43 1233] DEBUG (XMLRPCServer:251) XMLRPCServer.cleanup()
[2012-10-19 22:57:43 1233] DEBUG (XendDomain:644) cleanup_domains
[2012-10-19 23:15:38 1223] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-19 23:15:38 1223] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-19 23:15:40 1223] DEBUG (XendNode:332) pscsi record count: 12
[2012-10-19 23:15:40 1223] DEBUG (XendCPUPool:747) recreate_active_pools
[2012-10-19 23:15:40 1223] DEBUG (XendDomainInfo:151) XendDomainInfo.recreate({'max_vcpu_id': 3, 'cpu_time': 10152927738L, 'ssidref': 0, 'hvm': 0, 'shutdown_reason': 255, 'dying': 0, 'online_vcpus': 4, 'domid': 0, 'paused': 0, 'crashed': 0, 'running': 1, 'maxmem_kb': 17179869180L, 'shutdown': 0, 'mem_kb': 1164928L, 'blocked': 0, 'handle': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 'cpupool': 0, 'name': 'Domain-0'})
[2012-10-19 23:15:40 1223] INFO (XendDomainInfo:169) Recreating domain 0, UUID 00000000-0000-0000-0000-000000000000. at /local/domain/0
[2012-10-19 23:15:40 1223] DEBUG (XendDomainInfo:3420) Storing VM details: {'on_xend_stop': 'ignore', 'pool_name': 'Pool-0', 'shadow_memory': '0', 'uuid': '00000000-0000-0000-0000-000000000000', 'on_reboot': 'restart', 'image': "(linux (kernel '') (superpages 0) (nomigrate 0) (tsc_mode 0))", 'on_poweroff': 'destroy', 'bootloader_args': '', 'on_xend_start': 'ignore', 'on_crash': 'restart', 'xend/restart_count': '0', 'vcpus': '4', 'vcpu_avail': '15', 'bootloader': '', 'name': 'Domain-0'}
[2012-10-19 23:15:40 1223] DEBUG (XendDomainInfo:1794) Storing domain details: {'cpu/3/availability': 'online', 'description': '', 'console/limit': '1048576', 'memory/target': '1164928', 'cpu/2/availability': 'online', 'vm': '/vm/00000000-0000-0000-0000-000000000000', 'domid': '0', 'cpu/0/availability': 'online', 'cpu/1/availability': 'online', 'control/platform-feature-multiprocessor-suspend': '1', 'console/type': 'xenconsoled', 'name': 'Domain-0'}
[2012-10-19 23:15:40 1223] DEBUG (XendDomain:476) Adding Domain: 0
[2012-10-19 23:15:40 1223] DEBUG (XendDomain:410) number of vcpus to use is 0
[2012-10-19 23:15:40 1223] DEBUG (XendDomainInfo:1881) XendDomainInfo.handleShutdownWatch
[2012-10-19 23:15:40 1223] INFO (SrvServer:184) unix path=/var/lib/xend/xend-socket
[2012-10-19 23:15:40 1223] WARNING (XendAPI:708) API call: VBD.set_device not found
[2012-10-19 23:15:40 1223] WARNING (XendAPI:708) API call: VBD.set_type not found
[2012-10-19 23:15:40 1223] WARNING (XendAPI:708) API call: session.get_all_records not found
[2012-10-19 23:15:40 1223] WARNING (XendAPI:708) API call: event.get_record not found
[2012-10-19 23:15:40 1223] WARNING (XendAPI:708)Error starting domain: POST operation failed: xend_post: error from xen daemon: (xend.err "pci: PCI Backend and pci-stub don't own device 0000:00:1b.0")

Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 96, in cb_wrapper
    callback(asyncjob, *args, **kwargs)
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 117, in tmpcb
    callback(*args, **kwargs)
  File "/usr/share/virt-manager/virtManager/domain.py", line 1090, in startup
    self._backend.create()
  File "/usr/lib64/python2.7/site-packages/libvirt.py", line 510, in create
    if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self)
libvirtError: POST operation failed: xend_post: error from xen daemon: (xend.err "pci: PCI Backend and pci-stub don't own device 0000:00:1b.0")
 API call: event.get_all not found
[2012-10-19 23:15:40 1223] WARNING (XendAPI:708) API call: VIF.set_device not found
[2012-10-19 23:15:40 1223] WARNING (XendAPI:708) API call: VIF.set_MAC not found
[2012-10-19 23:15:40 1223] WARNING (XendAPI:708) API call: VIF.set_MTU not found
[2012-10-19 23:15:40 1223] WARNING (XendAPI:708) API call: debug.get_all not found
[2012-10-19 23:15:40 1223] INFO (XMLRPCServer:161) Opening Unix domain socket XML-RPC server on /var/run/xend/xen-api.sock; authentication has been disabled for this server.
[2012-10-19 23:15:40 1223] INFO (XMLRPCServer:161) Opening Unix domain socket XML-RPC server on /var/run/xend/xmlrpc.sock.
[2012-10-19 23:23:07 1255] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-19 23:23:07 1255] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-19 23:23:09 1255] DEBUG (XendNode:332) pscsi record count: 12
[2012-10-19 23:23:09 1255] DEBUG (XendCPUPool:747) recreate_active_pools
[2012-10-19 23:23:09 1255] DEBUG (XendDomainInfo:151) XendDomainInfo.recreate({'max_vcpu_id': 3, 'cpu_time': 17419197800L, 'ssidref': 0, 'hvm': 0, 'shutdown_reason': 255, 'dying': 0, 'online_vcpus': 4, 'domid': 0, 'paused': 0, 'crashed': 0, 'running': 1, 'maxmem_kb': 17179869180L, 'shutdown': 0, 'mem_kb': 1160832L, 'blocked': 0, 'handle': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 'cpupool': 0, 'name': 'Domain-0'})
[2012-10-19 23:23:09 1255] INFO (XendDomainInfo:169) Recreating domain 0, UUID 00000000-0000-0000-0000-000000000000. at /local/domain/0
[2012-10-19 23:23:09 1255] DEBUG (XendDomainInfo:3420) Storing VM details: {'on_xend_stop': 'ignore', 'pool_name': 'Pool-0', 'shadow_memory': '0', 'uuid': '00000000-0000-0000-0000-000000000000', 'on_reboot': 'restart', 'image': "(linux (kernel '') (superpages 0) (nomigrate 0) (tsc_mode 0))", 'on_poweroff': 'destroy', 'bootloader_args': '', 'on_xend_start': 'ignore', 'on_crash': 'restart', 'xend/restart_count': '0', 'vcpus': '4', 'vcpu_avail': '15', 'bootloader': '', 'name': 'Domain-0'}
[2012-10-19 23:23:09 1255] DEBUG (XendDomainInfo:1794) Storing domain details: {'cpu/3/availability': 'online', 'description': '', 'console/limit': '1048576', 'memory/target': '1160832', 'cpu/2/availability': 'online', 'vm': '/vm/00000000-0000-0000-0000-000000000000', 'domid': '0', 'cpu/0/availability': 'online', 'cpu/1/availability': 'online', 'control/platform-feature-multiprocessor-suspend': '1', 'console/type': 'xenconsoled', 'name': 'Domain-0'}
[2012-10-19 23:23:09 1255] DEBUG (XendDomain:476) Adding Domain: 0
[2012-10-19 23:23:09 1255] DEBUG (XendDomain:410) number of vcpus to use is 0
[2012-10-19 23:23:09 1255] DEBUG (XendDomainInfo:1881) XendDomainInfo.handleShutdownWatch
[2012-10-19 23:23:09 1255] INFO (SrvServer:184) unix path=/var/lib/xend/xend-socket
[2012-10-19 23:23:09 1255] WARNING (XendAPI:708) API call: VBD.set_device not found
[2012-10-19 23:23:09 1255] WARNING (XendAPI:708) API call: VBD.set_type not found
[2012-10-19 23:23:09 1255] WARNING (XendAPI:708) API call: session.get_all_records not found
[2012-10-19 23:23:09 1255] WARNING (XendAPI:708) API call: event.get_record not found
[2012-10-19 23:23:09 1255] WARNING (XendAPI:708) API call: event.get_all not found
[2012-10-19 23:23:09 1255] WARNING (XendAPI:708) API call: VIF.set_device not found
[2012-10-19 23:23:09 1255] WARNING (XendAPI:708) API call: VIF.set_MAC not found
[2012-10-19 23:23:09 1255] WARNING (XendAPI:708) API call: VIF.set_MTU not found
[2012-10-19 23:23:09 1255] WARNING (XendAPI:708) API call: debug.get_all not found
[2012-10-19 23:23:09 1255] INFO (XMLRPCServer:161) Opening Unix domain socket XML-RPC server on /var/run/xend/xen-api.sock; authentication has been disabled for this server.
[2012-10-19 23:23:09 1255] INFO (XMLRPCServer:161) Opening Unix domain socket XML-RPC server on /var/run/xend/xmlrpc.sock.
[2012-10-19 23:33:40 1255] DEBUG (SrvServer:77) SrvServer.cleanup()
[2012-10-19 23:33:40 1255] DEBUG (XMLRPCServer:251) XMLRPCServer.cleanup()
[2012-10-19 23:33:40 1255] DEBUG (XMLRPCServer:251) XMLRPCServer.cleanup()
[2012-10-19 23:33:40 1255] DEBUG (XendDomain:644) cleanup_domains
[2012-10-19 23:35:12 1241] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-19 23:35:12 1241] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-19 23:35:13 1241] DEBUG (XendNode:332) pscsi record count: 12
[2012-10-19 23:35:13 1241] DEBUG (XendCPUPool:747) recreate_active_pools
[2012-10-19 23:35:13 1241] DEBUG (XendDomainInfo:151) XendDomainInfo.recreate({'max_vcpu_id': 3, 'cpu_time': 10493081589L, 'ssidref': 0, 'hvm': 0, 'shutdown_reason': 255, 'dying': 0, 'online_vcpus': 4, 'domid': 0, 'paused': 0, 'crashed': 0, 'running': 1, 'maxmem_kb': 17179869180L, 'shutdown': 0, 'mem_kb': 1164928L, 'blocked': 0, 'handle': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 'cpupool': 0, 'name': 'Domain-0'})
[2012-10-19 23:35:13 1241] INFO (XendDomainInfo:169) Recreating domain 0, UUID 00000000-0000-0000-0000-000000000000. at /local/domain/0
[2012-10-19 23:35:13 1241] DEBUG (XendDomainInfo:3420) Storing VM details: {'on_xend_stop': 'ignore', 'pool_name': 'Pool-0', 'shadow_memory': '0', 'uuid': '00000000-0000-0000-0000-000000000000', 'on_reboot': 'restart', 'image': "(linux (kernel '') (superpages 0) (nomigrate 0) (tsc_mode 0))", 'on_poweroff': 'destroy', 'bootloader_args': '', 'on_xend_start': 'ignore', 'on_crash': 'restart', 'xend/restart_count': '0', 'vcpus': '4', 'vcpu_avail': '15', 'bootloader': '', 'name': 'Domain-0'}
[2012-10-19 23:35:13 1241] DEBUG (XendDomainInfo:1794) Storing domain details: {'cpu/3/availability': 'online', 'description': '', 'console/limit': '1048576', 'memory/target': '1164928', 'cpu/2/availability': 'online', 'vm': '/vm/00000000-0000-0000-0000-000000000000', 'domid': '0', 'cpu/0/availability': 'online', 'cpu/1/availability': 'online', 'control/platform-feature-multiprocessor-suspend': '1', 'console/type': 'xenconsoled', 'name': 'Domain-0'}
[2012-10-19 23:35:13 1241] DEBUG (XendDomain:476) Adding Domain: 0
[2012-10-19 23:35:13 1241] DEBUG (XendDomain:410) number of vcpus to use is 0
[2012-10-19 23:35:13 1241] DEBUG (XendDomainInfo:1881) XendDomainInfo.handleShutdownWatch
[2012-10-19 23:35:13 1241] INFO (SrvServer:184) unix path=/var/lib/xend/xend-socket
[2012-10-19 23:35:13 1241] WARNING (XendAPI:708) API call: VBD.set_device not found
[2012-10-19 23:35:13 1241] WARNING (XendAPI:708) API call: VBD.set_type not found
[2012-10-19 23:35:13 1241] WARNING (XendAPI:708) API call: session.get_all_records not found
[2012-10-19 23:35:13 1241] WARNING (XendAPI:708) API call: event.get_record not found
[2012-10-19 23:35:13 1241] WARNING (XendAPI:708) API call: event.get_all not found
[2012-10-19 23:35:13 1241] WARNING (XendAPI:708) API call: VIF.set_device not found
[2012-10-19 23:35:13 1241] WARNING (XendAPI:708) API call: VIF.set_MAC not found
[2012-10-19 23:35:13 1241] WARNING (XendAPI:708) API call: VIF.set_MTU not found
[2012-10-19 23:35:13 1241] WARNING (XendAPI:708) API call: debug.get_all not found
[2012-10-19 23:35:13 1241] INFO (XMLRPCServer:161) Opening Unix domain socket XML-RPC server on /var/run/xend/xen-api.sock; authentication has been disabled for this server.
[2012-10-19 23:35:13 1241] INFO (XMLRPCServer:161) Opening Unix domain socket XML-RPC server on /var/run/xend/xmlrpc.sock.
[2012-10-19 23:38:59 1236] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-19 23:38:59 1236] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-19 23:38:59 1236] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348, in run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)Error starting domain: POST operation failed: xend_post: error from xen daemon: (xend.err "pci: PCI Backend and pci-stub don't own device 0000:00:1b.0")

Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 96, in cb_wrapper
    callback(asyncjob, *args, **kwargs)
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 117, in tmpcb
    callback(*args, **kwargs)
  File "/usr/share/virt-manager/virtManager/domain.py", line 1090, in startup
    self._backend.create()
  File "/usr/lib64/python2.7/site-packages/libvirt.py", line 510, in create
    if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self)
libvirtError: POST operation failed: xend_post: error from xen daemon: (xend.err "pci: PCI Backend and pci-stub don't own device 0000:00:1b.0")

  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0
[2012-10-19 23:41:45 1240] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-19 23:41:45 1240] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-19 23:41:45 1240] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348, in run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0
[2012-10-19 23:44:14 1237] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-19 23:44:14 1237] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-19 23:44:14 1237] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348, in run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0
[2012-10-19 23:46:47 1247] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-19 23:46:47 1247] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-19 23:46:47 1247] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348, in run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0
[2012-10-19 23:49:32 1229] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-19 23:49:32 1229] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-19 23:49:32 1229] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348, in run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0
[2012-10-19 23:51:09 1253] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-19 23:51:09 1253] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-19 23:51:09 1253] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348, in run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0
[2012-10-19 23:59:01 1236] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-19 23:59:01 1236] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-19 23:59:01 1236] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348, in run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0
[2012-10-20 00:01:56 1234] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-20 00:01:56 1234] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-20 00:01:56 1234] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348, in run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0
[2012-10-20 00:07:39 1240] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-20 00:07:39 1240] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-20 00:07:39 1240] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348, in run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0
[2012-10-20 00:08:29 1248] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-20 00:08:29 1248] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-20 00:08:29 1248] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348, in run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0
[2012-10-20 00:21:04 1256] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-20 00:21:04 1256] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-20 00:21:04 1256] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348, in run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0
[2012-10-20 01:07:26 1258] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-20 01:07:26 1258] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-20 01:07:26 1258] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348, in run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0
[2012-10-20 01:15:41 1233] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-20 01:15:41 1233] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-20 01:15:41 1233] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348, in run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0
[2012-10-20 01:35:22 1234] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-20 01:35:22 1234] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-20 01:35:22 1234] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348, in run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0
[2012-10-20 01:38:13 1228] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-20 01:38:13 1228] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-20 01:38:13 1228] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last)[2012-10-20 11:32:15 1248] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-20 11:32:15 1248] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-20 11:32:15 1248] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348, in run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0
[2012-10-20 11:50:00 1248] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-20 11:50:00 1248] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-20 11:50:00 1248] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348, in run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0
[2012-10-20 17:26:28 1326] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-20 17:26:28 1326] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-20 17:26:28 1326] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348, in run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0
[2012-10-20 17:59:18 1350] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-20 17:59:18 1350] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-20 17:59:18 1350] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348, in run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0
[2012-10-20 22:58:54 1312] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-20 22:58:54 1312] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-20 22:58:54 1312] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348, in run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0
[2012-10-20 23:00:09 1325] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-20 23:00:09 1325] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-20 23:00:09 1325] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348,  wTheOnewin run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0
[2012-10-21 10:03:05 1341] INFO (SrvDaemon:339) Xend Daemon started
[2012-10-21 10:03:05 1341] INFO (SrvDaemon:343) Xend changeset: unavailable.
[2012-10-21 10:03:05 1341] ERROR (SrvDaemon:356) Exception starting xend (no element found: line 1, column 0)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvDaemon.py", line 348, in run
    servers = SrvServer.create()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvServer.py", line 258, in create
    root.putChild('xend', SrvRoot())
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvRoot.py", line 40, in __init__
    self.get(name)
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 84, in get
    val = val.getobj()
  File "/usr/lib64/python2.7/site-packages/xen/web/SrvDir.py", line 52, in getobj
    self.obj = klassobj()
  File "/usr/lib64/python2.7/site-packages/xen/xend/server/SrvNode.py", line 30, in __init__
    self.xn = XendNode.instance()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 1181, in instance
    inst = XendNode()
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendNode.py", line 71, in __init__
    saved_host = self.state_store.load_state('host')
  File "/usr/lib64/python2.7/site-packages/xen/xend/XendStateStore.py", line 107, in load_state
    dom = minidom.parse(xml_path)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/minidom.py", line 1915, in parse
    return expatbuilder.parse(file)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 926, in parse
    result = builder.parseFile(fp)
  File "/usr/lib64/python2.7/site-packages/_xmlplus/dom/expatbuilder.py", line 211, in parseFile
    parser.Parse("", True)
ExpatError: no element found: line 1, column 0

FU** YEAH I've made it past this error. I Just had to remove all xml files from the xend directory. So far so good. Now I've added some PCI and USB devices like in the guide, but when I try to run the VM another error comes up:
Code:
Error starting domain: POST operation failed: xend_post: error from xen daemon: (xend.err "pci: PCI Backend and pci-stub don't own device 0000:00:1b.0")

Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 96, in cb_wrapper
    callback(asyncjob, *args, **kwargs)
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 117, in tmpcb
    callback(*args, **kwargs)
  File "/usr/share/virt-manager/virtManager/domain.py", line 1090, in startup
    self._backend.create()
  File "/usr/lib64/python2.7/site-packages/libvirt.py", line 510, in create
    if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self)
libvirtError: POST operation failed: xend_post: error from xen daemon: (xend.err "pci: PCI Backend and pci-stub don't own device 0000:00:1b.0")

Can someone help me pls?
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post #224 of 825 Old 10-22-2012, 03:08 AM
 
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@doublehelix:

With regard to this error: "pci: PCI Backend and pci-stub don't own device 0000:00:1b.0", I have the following questions and suggestions.

First the suggestions:

1. Pass only those devices through that you really need !!! In most cases the graphics adapter and it's integrated sound device (if any) are all that need to be passed through to get started. Example: 01:00.0 and 01:00.1 for most graphics cards with integrated sound device residing in the first PCI slot. Check the output of lspci.
You can add additional devices for PCI passthrough later on when Windows is installed and running (with a passed through GPU).

2. The error message means essentially that the device 00:1b.0 has not been detached, that is it is not assignable. Before you start xm new, enter the following command and check the output:
Code:
xm pci-list-assignable-devices
Check to see if 00:1b.0 is listed. It probably isn't.

3. If you followed the instructions of the OP, have you defined that device in virt-manager?

Now the questions:

1. What is 00:1b.0? USB host? Sound device? Graphics adapter?
2. How far did you get? Did you manage to start xend (xm new) and install Windows? Does VGA passthrough work? From what I read you haven't yet managed to start xen new (the xend damon).
3. You listed an Nvidia graphics card as your graphics hardware, as well as the built-in i5 GPU. You will most likely not be able to get the Nvidia card passed through to Windows, at least not with standard kernel and hypervisor. Are you trying to passthrough the Intel integrated graphics adapter?
4. Just to make sure, are you using Fedora as suggested by the OP (which version)? Procedures for other Linux distros are often different.

EDIT: Following the OP instructions doesn't require pciback to be loaded at boot (it's already compiled into the Fedora 16 kernel). So there isn't any kernel boot option for pciback in the grub file.
5. Can you post the grub file (in my Ubuntu-based distro it's under /etc/default)? It should have a pciback kernel boot parameter. I believe the grub method only works with distros that have pciback compiled into the kernel. Ubuntu 12.04 and derivates for example don't have pciback compiled into the kernel, and pciback needs to be loaded as a module. This may complicate things.

Hardware:
Desktop: i7 3930K, Asus Sabertooth X79, 32GB Kingston 1600MHz RAM, PNY Quatro 2000 graphics adapter for Linux Mint host, Gigabyte GTX 970 graphics adapater for Windows 10 VM, Asus Xonar Essence sound card, Sandisk Extreme 120GB SSD for Linux, Samsung 850 EVO 250GB SSD for Windows, 4 hard drives for data, Corsair 500R chassis, Noctua CPU cooler, SeaSonic Gold PSU, NEC 2690WUXI2 screen, Linux Mint 18.2 Mate host OS, Windows 10 Pro in KVM VM, Logitech K780 multi-device wireless keyboard, Logitech MX Master multi-device mouse smile.gif

Notebook: Macbook 2010 edition with 8GB RAM
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post #225 of 825 Old 10-25-2012, 02:58 AM
 
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So, I've gotten what I believe to be most of the way there with both KVM and XEN.
I have two Nvidia cards (8800GTS and 560TI) as well as an old ATI Radeon HD card for testing.

In both KVM and XEN, the Radeon seems to just work. It only has displayport and I don't have a cable frown.gif but no errors on the hypervisor nor the guest.

As for the Nvidia cards. Same error in both Xen and KVM. Windows Error 43.

I've build Xen from unstable (git) and using xl toolkit. I create the machine to your specs (only recently found this post, but was using the same config anyhow), boot it up, connect to it with VNC, install win8, shut down, attach one of the cards (and their respective audio when applicable) but the card shows up with Error 43 again.
No errors in xend.log nor in the machine.log.

What am I missing?

Edit, I should also point out that my co-habitant has the same hardware as I've got, except that he's got an ATI card with the right goddamn cables. The hardest part about setting up passthrough is the plethora of outdated howto's out there.
Setup is pretty straight forward KVM and XEN so long as you don't rely on 2 year old instructions smile.gif (I wasted a tonne of time following old docs).

KVM (ubuntu):
apt-get install ubuntu-virt

modprobe pci-stub
virsh nodedev-list (list your devices)
virsh nodedev-dettach YOURPCIDEVICE
echo 1 > /sys/module/kvm/parameters/allow_unsafe_assigned_interrupts
virt-manager
Create your machine, use default settings, attach the PCI right now if you want to, using the virt-manager interface. Install as normal. You're done. Maybe add a USB passthrough for good measure, then once your video is working on the passthrough device, switch your primary display to the passthrough and disable the other. This works EXACTLY like this with ATI cards. Not so much with Nvidia thus far.

XEN:
I'll test a stock Xen 4.1 tomorrow to see if it's any more difficult. I've got the ATI working with Xen 4.2-unstable from GIT, but I suspect it'll work with 4.1 from the Ubuntu repos.
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post #226 of 825 Old 10-25-2012, 03:13 PM
 
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@blistovmhz:

Thanks for sharing your instructions for kvm. I wasn't even aware that kvm had VGA passthrough.

As to Xen 4.1, your ATI should work just fine. As for Nvidia, now that's another story. There are some instruction on the net, specifically David Techer's instructions and patches: http://www.davidgis.fr/blog/index.php?2011/12/07/860-xen-42unstable-patches-for-vga-pass-through.

I've tried it with a Nvidia Quadro 600, but no luck. Eventually I replaced the Nvidia 600 for a (much more expensive) Nvidia Quadro 2000 and that worked right out of the box with a 4.1 hypervisor and Linux Mint 13 Mate (based on Ubuntu 12.04). The difference between the 2 cards is what Nvidia terms "multi-OS" support in the Quadro 2000 (and some other select cards, where the 2000 is the cheapest). These cards are designed for graphics workstations (CAD/CAM, Photoshop, video editing, etc.), not really for games. I don't care much for games, but graphics processing.

ATI cards - most of them - should be much easier to get working. Good luck!

P.S.: If you want to try Xen and Linux Mint 13 (with an ATI card), I can post a link to my how-to. It's very detailed (need to shorten it somehow).

Hardware:
Desktop: i7 3930K, Asus Sabertooth X79, 32GB Kingston 1600MHz RAM, PNY Quatro 2000 graphics adapter for Linux Mint host, Gigabyte GTX 970 graphics adapater for Windows 10 VM, Asus Xonar Essence sound card, Sandisk Extreme 120GB SSD for Linux, Samsung 850 EVO 250GB SSD for Windows, 4 hard drives for data, Corsair 500R chassis, Noctua CPU cooler, SeaSonic Gold PSU, NEC 2690WUXI2 screen, Linux Mint 18.2 Mate host OS, Windows 10 Pro in KVM VM, Logitech K780 multi-device wireless keyboard, Logitech MX Master multi-device mouse smile.gif

Notebook: Macbook 2010 edition with 8GB RAM
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post #227 of 825 Old 10-25-2012, 05:00 PM
 
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On the Xen side of things (Mint 13, Cinnamon, 64) running the Xen 4.1 package included in the Mint/Ubuntu repos, I was able to get the ATI card working without issue. It's just making me insane that my Nvidia card is so close in both Xen and KVM. Haven't seen much in the way of RECENT documentation for Xen 4.2 passthrough. All the old docs are so out of date that they don't seem worth following.
Just sorta pissed that I have a brand new NV card I can't get working. Seems silly to go buy an ATI just for this one issue, which I imagine I'll be able to resolve in the next few days/weeks.
But, GF is gettin' pissed at all the 4am hax tongue.gif

FYI, I'm pretty sure the only thing holding back the NV cards at this point (using stock Xen 4.1 and KVM) is our inability to retrieve the ROM/EEPROM. Loading with ROMBAR off doesn't make a difference, and as far as I can tell, that error 42 is all about the ROM.

Going to try digging up some NV tools for Windubs and see if I can't confirm that the ROM is unreadable. Suspect it's just a memory range thing.
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post #228 of 825 Old 10-26-2012, 01:07 AM
 
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Quote:
Originally Posted by blistovmhz View Post

On the Xen side of things (Mint 13, Cinnamon, 64) running the Xen 4.1 package included in the Mint/Ubuntu repos, I was able to get the ATI card working without issue. It's just making me insane that my Nvidia card is so close in both Xen and KVM. Haven't seen much in the way of RECENT documentation for Xen 4.2 passthrough. All the old docs are so out of date that they don't seem worth following.
Just sorta pissed that I have a brand new NV card I can't get working. Seems silly to go buy an ATI just for this one issue, which I imagine I'll be able to resolve in the next few days/weeks.
But, GF is gettin' pissed at all the 4am hax tongue.gif
FYI, I'm pretty sure the only thing holding back the NV cards at this point (using stock Xen 4.1 and KVM) is our inability to retrieve the ROM/EEPROM. Loading with ROMBAR off doesn't make a difference, and as far as I can tell, that error 42 is all about the ROM.
Going to try digging up some NV tools for Windubs and see if I can't confirm that the ROM is unreadable. Suspect it's just a memory range thing.

I see you already got into video ROM retrieval. That was exactly the same point where my Quadro 600 gave me troubles. The video BIOS was taking more memory than current patches can handle (was it 64MB?).

Documentation is all over the place, and the Xen wiki is pretty much outdated concerning video card support and/or Xen 4.2, though they got a lot of documentation on xl. Unfortunately sharing information seems to be done via mailing list, and I've got no inclination signing up on a mailing list.

I've created a thread to list VGA passthrough compatible VGA adapters here http://www.overclock.net/t/1307834/xen-vga-passthrough-compatible-graphics-adapters. Unfortunately there hasn't been much response.

Hardware:
Desktop: i7 3930K, Asus Sabertooth X79, 32GB Kingston 1600MHz RAM, PNY Quatro 2000 graphics adapter for Linux Mint host, Gigabyte GTX 970 graphics adapater for Windows 10 VM, Asus Xonar Essence sound card, Sandisk Extreme 120GB SSD for Linux, Samsung 850 EVO 250GB SSD for Windows, 4 hard drives for data, Corsair 500R chassis, Noctua CPU cooler, SeaSonic Gold PSU, NEC 2690WUXI2 screen, Linux Mint 18.2 Mate host OS, Windows 10 Pro in KVM VM, Logitech K780 multi-device wireless keyboard, Logitech MX Master multi-device mouse smile.gif

Notebook: Macbook 2010 edition with 8GB RAM
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post #229 of 825 Old 10-27-2012, 03:34 PM
 
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Well I've done a bunch more testing.

Gave up on the Nvidia card for right now. I figure there's enough unknowns with Xen/KVM versions/support/patches to deal with. ATI is far better supported.

An aside... When the hell did ATI start supporting the Linux community, and when did Nvidia stop? I remember years ago fighting with ATI about the FGLRX drivers and they told me and the rest of the community to go to hell. Meanwhile Nvidia was tossing code and firmware at us faster than we could implement.

So.

I tested KVM (bone stock) under Mint 13 (stock) with my Nvidia 8800GTS and 560TI, as well as my ATI RadeonHD 7870 (directCU ii) and 69xx. Won't bother discussing Nvidia for now.

The 69xx series just works. I'll have to double check that I was able to reboot the guest multiple times without crashing the host, but as I don't recall an issue, I assume there was none. No modifications needed at all.
The 7870 came up in both Win7 and 8 but I had to manually install the driver, and the host crashes on guest reboot with a kernel bug regarding drivers/pci/ats.c:62. I haven't figured out yet how to access the crash kernel in Ubuntu (durr) so I've no idea what's going on, but I strongly suspect it is an issue with the VGA bios on the guest's card not resetting clean (I've heard reports that newer ATI cards only REALLY POST during host boot). I'd imagine if I can strip the VGA bios / ROM that I'll be able to inject it manually during guest boot/reboot. Sound familiar? Any guidance?

I'll take a look at your other thread now.
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post #230 of 825 Old 10-28-2012, 02:05 AM
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Couldn't you do the same thing with Hyper-V that's built into Win 8? I don't know anything about virtual machines, just asking...
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