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SETI MB CUDA for Linux

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Tye:
I moved some cards around to make them match the first card now.  I've been trying lots of things to see what might help.  Unfortunately making both the same wasn't helpful...  ;-)   Good catch, sunu!

Tye:
I will try the strace once I can get more workunits to be sent...

Tye:
There was some strace text output (it didn't make any debugXXXfiles), but I didn't see anything useful in what I could capture in my buffer.

Tye:
BTW, the 9.04 kernel did have an update recently, to 2.6.28-13 rather than the 2.6.28-11 that it shipped with.  Does the newer kernel still have the same problems?

sunu:

--- Quote from: Tye on 08 Jul 2009, 02:56:54 pm ---BTW, the 9.04 kernel did have an update recently, to 2.6.28-13 rather than the 2.6.28-11 that it shipped with.  Does the newer kernel still have the same problems?

--- End quote ---

Both 2.6.28-11 and 2.6.28-12 have problems. I think I saw somewhere that also 2.6.28-13 has problems.  I say ditch ubuntu's 2.6.28 kernel altogether and use something else. Myself am running ubuntu 9.04 with 2.6.27 kernel from 8.10.

Sorry for the strace error. Use:

strace -ffv -o debug boinc

Now you'll see those debug files.

Also go to /dev and tell me how many nvidiaX devices you see.

Lets try some xorg.conf tweaks. Below the current "Device" section add another one for your second card, something like this:

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BusID          "PCI:01:00:0"
EndSection

Section "Device"
    Identifier     "Device1"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BusID          "PCI:03:00:0"
EndSection

On the "Screen" section add:

Option "SLI" "False"

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