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*FIXED* VirtualBox/Ubuntu crashes when V7 GPU folding in Windows

post #1 of 3
Thread Starter 
Previously I was folding via V7 in Windows. With my 3930K @4.8ghz and two 670 FTW GPUs I was getting between 80k and 100k PPD. I followed the [ORACLE] the SB-E -bigadv guide which worked flawlessly. With only the VirtualBox/Ubuntu client running I'm getting TPFs between 28-29 minutes and over 110k PPD which to me is awesome. I have the execution cap set to 95% but I'm still able to browse the web and other things with out being super laggy.

If I turn on GPU folding on V7 in Windows my TPF drops to 30 minutes which again is pretty good as it results in 100k PPD but enables me to get another 56k to 80k PPD via the GPUs. To me this is a great trade off as I'm still coming out way ahead and I'd be looking at 150k PPD minimum. The problem is that I get a BSOD crash between 3-4 hours after I start the GPUs.

I've used the Windows Debug utility on the dump file but the results of the analysis were inconclusive.
Crash dump analysis. (Click to show)
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************

UNEXPECTED_KERNEL_MODE_TRAP (7f)
This means a trap occurred in kernel mode, and it's a trap of a kind
that the kernel isn't allowed to have/catch (bound trap) or that
is always instant death (double fault). The first number in the
bugcheck params is the number of the trap (8 = double fault, etc)
Consult an Intel x86 family manual to learn more about what these
traps are. Here is a *portion* of those codes:
If kv shows a taskGate
use .tss on the part before the colon, then kv.
Else if kv shows a trapframe
use .trap on that value
Else
.trap on the appropriate frame will show where the trap was taken
(on x86, this will be the ebp that goes with the procedure KiTrap)
Endif
kb will then show the corrected stack.
Arguments:
Arg1: 0000000000000008, EXCEPTION_DOUBLE_FAULT
Arg2: 0000000080050031
Arg3: 00000000000406f8
Arg4: fffff80002305bc6

Debugging Details:


BUGCHECK_STR: 0x7f_8

CUSTOMER_CRASH_COUNT: 1

DEFAULT_BUCKET_ID: VISTA_DRIVER_FAULT

PROCESS_NAME: VirtualBox.exe

CURRENT_IRQL: 2

LAST_CONTROL_TRANSFER: from fffff800022da569 to fffff800022dafc0

STACK_TEXT:
fffff880`027ecee8 fffff800`022da569 : 00000000`0000007f 00000000`00000008 00000000`80050031 00000000`000406f8 : nt!KeBugCheckEx
fffff880`027ecef0 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KiBugCheckDispatch+0x69


STACK_COMMAND: kb

SYMBOL_NAME: ANALYSIS_INCONCLUSIVE

FOLLOWUP_NAME: MachineOwner

MODULE_NAME: Unknown_Module

IMAGE_NAME: Unknown_Image

DEBUG_FLR_IMAGE_TIMESTAMP: 0

FAILURE_BUCKET_ID: X64_0x7f_8_ANALYSIS_INCONCLUSIVE

BUCKET_ID: X64_0x7f_8_ANALYSIS_INCONCLUSIVE

Followup: MachineOwner

At first I thought that it may be related to the fact that I had the 3D acceleration enabled on the VM but it still crashed after I disabled that. I do have what I consider a mild overclock on the cards, +75 core & +400 mem. I will try running them at stock clocks after the -bigadv unit completes as I've crashed enough times where the client wasn't running that I'm in serious jeopardy of not finishing in time to get the bonus points; as of right now I will finish with 1 hour and 15 minutes to spare.

Am I simply asking too much of my machine to be running the 2 GPU clients on top of the "big" one? Has any one else experienced the same thing? I'd be interested in knowing if there are any Windows experts who'd be willing to give my crash dump file a good looking over as well.


*** EDIT FIXED ***

Apparently my overclock on one of my GPUs was a little too much. Instead of just throwing an error, failing the work unit, and grabbing a new one, it must have thrown some other kind of fault or error which in turn impacted VirtualBox which ultimately caused the crash/BSOD. Once I put my cards back on stock clocks things have been working flawlessly. Once I get some time I'll start to try small overclocks on the GPUs to see if I can shave some seconds off of my TPF but at the moment I'm happy with 183k PPD all on a single machine. During Christmas break I hope to get my old system (Q6600 & 2 8800GTXs) folding full time again too. It won't be much but every little bit helps.


Edited by ColdFusionWi - 12/18/12 at 9:27am
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post #2 of 3
so folding v7 gpu in windows, and smp in virtualbox?

random, but after googling issue, do you run zone alarm?

also, seems like memory might be the issue, maybe pull a stick and try again?
     
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post #3 of 3
Thread Starter 
Nope, only MS Security Essentials and whatever firewall is enabled by default in Windows. This is pretty much a fresh install of Windows 7 Pro. The only software I've installed was for stressing CPU/GPU overclocks and what was needed for folding. I haven't even installed any games yet.

* EDIT *

Fixed; see OP.
Edited by ColdFusionWi - 12/18/12 at 9:23am
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