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Old 08-24-08, 10:56 PM   #1
ajw1980
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Join Date: Aug 2008
Posts: 7
Default nvidia module not receiving interrupts

Hi,

I'm having problems with VT switching. After doing several user switches with the gnome fast user switching applet, the x server eventually becomes unresponsive. I am able to log in via ssh and when I kill X and try to restart I get this:

Code:
(EE) NVIDIA(0): The NVIDIA kernel module does not appear to be receiving
(EE) NVIDIA(0):     interrupts generated by the NVIDIA graphics device
(EE) NVIDIA(0):     PCI:1:0:0.  Please see Chapter 8: Common Problems in the
(EE) NVIDIA(0):     README for additional information.
(EE) NVIDIA(0): Failed to initialize the NVIDIA graphics device!
At this point in time nvidia no longer appears in /proc/interrupts and there doesn't appear to be any recovery to have a working X server without rebooting.


I have an 8600GT with a phenom 9600 on a biostar 790GX motherboard running the x86-64 kernel.
I also had the same thing happen to me with the phenom 9600 on a gigabyte 780G motherboard running the 32 bit kernel (but I returned that motherboard because of other problems).

Both were using kernel 2.6.26.

VT switching doesn't seem to be the only thing that triggers this for me, but it is easiest way to reproduce that I have found. It also happened to me yesterday while switching the video resolution running prey through wine.

I tried pci=noacpi, but that didn't help. I also tried noapic, which seemed to only crash the X server with these messages logged by the kernel:
Code:
NVRM: Xid (0001:00): 13, 0001 00000000 00005039 00000328 00000000 00000002
NVRM: Xid (0001:00): 43, CMDre 00000000 00000080 00000000 00000005 00000005
X did come back up after this, but there seems to be other problems using noapic on this motherboard, so I didn't test that long.

So anyway, is this an nvidia problem or kernel problem or some other problem?

I'll attach the nvidia bug report log.
Andy
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File Type: gz nvidia-bug-report.log.gz (26.4 KB, 100 views)
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Old 08-26-08, 12:03 AM   #2
ajw1980
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Posts: 7
Default Re: nvidia module not receiving interrupts

Ok,

After some testing tonight, everything was behaving normally after adding noapic and nolapic to the kernel command line and also disabling the APIC in the BIOS. The BIOS option got rid of the spurrious interrupt messages I was getting. I also got a hard lock without setting that in the BIOS.

So I guess it is either a kernel bug or BIOS bug. Can anyone point me to somewhere I could file some bugs on this?

Also, is there any performance issue for not using APIC on a multicore system?

I'll attach the nvidia-bug-report log for the working configuration.
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File Type: gz nvidia-bug-report.log.gz (29.3 KB, 88 views)
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