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[Solved] Unable to get SLI up and running

post #1 of 6

3/6/10 at 3:08pm

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esocid
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Since having 2 cards I have always just pulled one when running Fedora, and put it back when in Windoze. I had some time on my hands today and tried to set up my xorg.conf properly and haven't been able to get it working.

The common solution I have seen is specifying the pci bus, and putting an option in the Screen section for "SLI" "auto" or "SLI" "on"

I scanned the buses and found that 2:0:0 was my primary card's location, so under the Device section I put
BusID "PCI:2:0:0"

and I would get the same result with or without the SLI setting under "Screen"

just a black screen. Now when I would boot up with just 1 card in, I would have to replace xorg.conf with my backup because X wouldn't load properly. It would drop me to desktop but all I could do was open a terminal, no menus, or dragging anything. I can post my whole xorg.conf later, but I'm about to leave for dinner now.

Any help is appreciated.
Edited by esocid - 3/9/10 at 5:35am

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Phenom II x6 1090T @ 4.0GHz (1.450v)	Biostar TA890FXE	GTX 560 Ti	4x4GB DDR3 Corsair Vengeance 9-9-9-24 @1600
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Samsung830 128SSD, 750, 640, 3x1TB WD SATA	LG GH20NS15 DVD combo	Fedora 17 x86_64, Win 7 Ult 64	42LG50 42" LCD HDTV / Dell 2405fpw 24" LCD
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Hard Drive	Optical Drive	OS	Monitor
Samsung830 128SSD, 750, 640, 3x1TB WD SATA	LG GH20NS15 DVD combo	Fedora 17 x86_64, Win 7 Ult 64	42LG50 42" LCD HDTV / Dell 2405fpw 24" LCD
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post #2 of 6

3/7/10 at 2:20am

gonX

Joined: May 2006
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Use the nvidia-xconfig tool as root to enable SLI:

Code:

# nvidia-xconfig --damage-events --cool-bits=1 --sli=Auto --multigpu=Auto

damage-events to increase performance, and coolbits to enable overclocking through the nVidia CP. The rest is self-explanatory.

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CPU	Motherboard	Graphics	RAM
Core i7 2600K	P8P67 PRO	XFX Radeon HD 6950	Corsair
RAM	Hard Drive	Hard Drive	Optical Drive
Corsair	OCZ Agility 3	Hitachi HDS722020ALA330	Samsung Combo SATA
Cooling	OS	Monitor	Keyboard
Noctua NH-D14	Windows 7 Ultimate	Dell U2711	Ducky DK9008G2 Overclock.net Edition, Cherry MX...
Power	Case	Mouse	Mouse Pad
Corsair TX850	Antec Three Hundred	CM Storm Spawn	QPAD HeatoN XL
Audio	Audio
E-MU Tracker\|pre	Beyerdynamic DT-770 250 Ohm
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post #3 of 6

3/7/10 at 9:12am

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esocid
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Quote:

Originally Posted by gonX

Use the nvidia-xconfig tool as root to enable SLI:

Code:

# nvidia-xconfig --damage-events --cool-bits=1 --sli=Auto --multigpu=Auto

damage-events to increase performance, and coolbits to enable overclocking through the nVidia CP. The rest is self-explanatory.

After configuring it like that, I'm now somewhere I've been before. It gets past the loading screen and then to a point where the screen flickers like it's trying to use both cards, with this already on the screen, like it was loading the kernel still

Quote:

virbr0: starting userspace STP failed, starting kernel STP
lo: Disabled Privacy Extensions

then it stops flickering and prints:

Quote:

audit(1267962717.489:55472): auid=4294967295 ses=4294967295 subj=system_u:system_r:readahead_t:s0 op=remove rule key=(null) list=4 res=1
audit(1267962717.489:55473): audit_enabled=0 old=1 auid=4294967295 ses=4294967295 subj=system_u:system_r:readahead_t:s0 res=1

*Edit
Specified my busid and it gives me just a black screen.

Well that message may not even be related. I used my install disc to mount my system and browsed my Xorg.0.log and saw this at the end

Quote:

Failed to load the nvidia kernel module.
UnloadModule: "nvidia"
Unloading /usr/lib64/xorg/modules/drivers//nvidia_drv.so
Failed to load module "nvidia" (module-specific error, 0)
No drivers available.

I have akmod-nvidia installed and up to date, as well as kernel-devel, and kmod-nvidia too.
Running xinit 5 tells me it can't load /lib/modules/2.6.29.4-167.fc11.x86_64/modules.dep: no such file or directory
In addition to those other errors.

I'm wondering if this has something to do with it or it's just because I'm running off the disc, but my system kernel is 2.6.30.

Pulling a card out and booting up with same xorg.conf works fine now though, so that's an improvement.
Edited by esocid - 3/7/10 at 11:02am

CPU	Motherboard	Graphics	RAM
Phenom II x6 1090T @ 4.0GHz (1.450v)	Biostar TA890FXE	GTX 560 Ti	4x4GB DDR3 Corsair Vengeance 9-9-9-24 @1600
Hard Drive	Optical Drive	OS	Monitor
Samsung830 128SSD, 750, 640, 3x1TB WD SATA	LG GH20NS15 DVD combo	Fedora 17 x86_64, Win 7 Ult 64	42LG50 42" LCD HDTV / Dell 2405fpw 24" LCD
Keyboard	Power	Case	Mouse
Das Keyboard Silent	Silverstone ST-1000P	Cooler Master Cosmos 1000	Logitech G500, and MX1100
Mouse Pad
XTRAC Ripper
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CPU	Motherboard	Graphics	RAM
Phenom II x6 1090T @ 4.0GHz (1.450v)	Biostar TA890FXE	GTX 560 Ti	4x4GB DDR3 Corsair Vengeance 9-9-9-24 @1600
Hard Drive	Optical Drive	OS	Monitor
Samsung830 128SSD, 750, 640, 3x1TB WD SATA	LG GH20NS15 DVD combo	Fedora 17 x86_64, Win 7 Ult 64	42LG50 42" LCD HDTV / Dell 2405fpw 24" LCD
Keyboard	Power	Case	Mouse
Das Keyboard Silent	Silverstone ST-1000P	Cooler Master Cosmos 1000	Logitech G500, and MX1100
Mouse Pad
XTRAC Ripper
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post #4 of 6

3/7/10 at 5:00pm

gonX

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Quote:

That's quite fatal - take a look in dmesg to see what errors the driver reports.

Quote:

/lib/modules/2.6.29.4-167.fc11.x86_64/modules.dep

That's not supposed to happen either. What does:

Code:

uname -r

return?

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RAM	Hard Drive	Hard Drive	Optical Drive
Corsair	OCZ Agility 3	Hitachi HDS722020ALA330	Samsung Combo SATA
Cooling	OS	Monitor	Keyboard
Noctua NH-D14	Windows 7 Ultimate	Dell U2711	Ducky DK9008G2 Overclock.net Edition, Cherry MX...
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CPU	Motherboard	Graphics	RAM
Core i7 2600K	P8P67 PRO	XFX Radeon HD 6950	Corsair
RAM	Hard Drive	Hard Drive	Optical Drive
Corsair	OCZ Agility 3	Hitachi HDS722020ALA330	Samsung Combo SATA
Cooling	OS	Monitor	Keyboard
Noctua NH-D14	Windows 7 Ultimate	Dell U2711	Ducky DK9008G2 Overclock.net Edition, Cherry MX...
Power	Case	Mouse	Mouse Pad
Corsair TX850	Antec Three Hundred	CM Storm Spawn	QPAD HeatoN XL
Audio	Audio
E-MU Tracker\|pre	Beyerdynamic DT-770 250 Ohm
View all

CPU	Graphics	RAM	RAM
Intel Ivy Bridge 3210M	Intel HD 4000 Graphics	Soldered	Corsair Vengeance
Hard Drive	Optical Drive	OS	Monitor
500GB	DVD-+RW	Windows 7 Professional	1600x900
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post #5 of 6

3/8/10 at 6:40pm

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esocid
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Well I got it working. With your help, and a little testing of my own to figure out what I did wrong. I did an lspci with only 1 card in, and the card was at 2:0:0, so I figured that was the primary card.

I edited my inittab to boot up at runlevel 3, so it would be using my kernel and not the 2.6.29 from my rescue disc which I used to mount my system, so that error wasn't present. Got that same printout about the audit...etc, but it allowed me to login. Tried xinit5, which gave me the error about I have my primary card listed at the PCI bus 2:0:0, when my primary card is located at 3:0:0. Edited my xorg.conf to fix that, tried xinit5 again and showed no errors, so ran init 5 and X started up fine.

Sooo. The long and short is, make sure you absolutely know for sure what bus your primary card is, and add it to your xorg.conf, after you run

Code:

# nvidia-xconfig --damage-events --cool-bits=1 --sli=Auto --multigpu=Auto

Thanks gonx
e-Rep

CPU	Motherboard	Graphics	RAM
Phenom II x6 1090T @ 4.0GHz (1.450v)	Biostar TA890FXE	GTX 560 Ti	4x4GB DDR3 Corsair Vengeance 9-9-9-24 @1600
Hard Drive	Optical Drive	OS	Monitor
Samsung830 128SSD, 750, 640, 3x1TB WD SATA	LG GH20NS15 DVD combo	Fedora 17 x86_64, Win 7 Ult 64	42LG50 42" LCD HDTV / Dell 2405fpw 24" LCD
Keyboard	Power	Case	Mouse
Das Keyboard Silent	Silverstone ST-1000P	Cooler Master Cosmos 1000	Logitech G500, and MX1100
Mouse Pad
XTRAC Ripper
View all

hide details

CPU	Motherboard	Graphics	RAM
Phenom II x6 1090T @ 4.0GHz (1.450v)	Biostar TA890FXE	GTX 560 Ti	4x4GB DDR3 Corsair Vengeance 9-9-9-24 @1600
Hard Drive	Optical Drive	OS	Monitor
Samsung830 128SSD, 750, 640, 3x1TB WD SATA	LG GH20NS15 DVD combo	Fedora 17 x86_64, Win 7 Ult 64	42LG50 42" LCD HDTV / Dell 2405fpw 24" LCD
Keyboard	Power	Case	Mouse
Das Keyboard Silent	Silverstone ST-1000P	Cooler Master Cosmos 1000	Logitech G500, and MX1100
Mouse Pad
XTRAC Ripper
View all

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post #6 of 6

3/8/10 at 7:49pm

gonX

Joined: May 2006
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I figured it had something to do with the BusID. Good to hear that you got it solved

CPU	Motherboard	Graphics	RAM
Core i7 2600K	P8P67 PRO	XFX Radeon HD 6950	Corsair
RAM	Hard Drive	Hard Drive	Optical Drive
Corsair	OCZ Agility 3	Hitachi HDS722020ALA330	Samsung Combo SATA
Cooling	OS	Monitor	Keyboard
Noctua NH-D14	Windows 7 Ultimate	Dell U2711	Ducky DK9008G2 Overclock.net Edition, Cherry MX...
Power	Case	Mouse	Mouse Pad
Corsair TX850	Antec Three Hundred	CM Storm Spawn	QPAD HeatoN XL
Audio	Audio
E-MU Tracker\|pre	Beyerdynamic DT-770 250 Ohm
View all

CPU	Graphics	RAM	RAM
Intel Ivy Bridge 3210M	Intel HD 4000 Graphics	Soldered	Corsair Vengeance
Hard Drive	Optical Drive	OS	Monitor
500GB	DVD-+RW	Windows 7 Professional	1600x900
View all

hide details

CPU	Motherboard	Graphics	RAM
Core i7 2600K	P8P67 PRO	XFX Radeon HD 6950	Corsair
RAM	Hard Drive	Hard Drive	Optical Drive
Corsair	OCZ Agility 3	Hitachi HDS722020ALA330	Samsung Combo SATA
Cooling	OS	Monitor	Keyboard
Noctua NH-D14	Windows 7 Ultimate	Dell U2711	Ducky DK9008G2 Overclock.net Edition, Cherry MX...
Power	Case	Mouse	Mouse Pad
Corsair TX850	Antec Three Hundred	CM Storm Spawn	QPAD HeatoN XL
Audio	Audio
E-MU Tracker\|pre	Beyerdynamic DT-770 250 Ohm
View all

CPU	Graphics	RAM	RAM
Intel Ivy Bridge 3210M	Intel HD 4000 Graphics	Soldered	Corsair Vengeance
Hard Drive	Optical Drive	OS	Monitor
500GB	DVD-+RW	Windows 7 Professional	1600x900
View all

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