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Old 02-27-08, 07:49 PM   #1
zBeeble42
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Join Date: Feb 2008
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Default 169.12 100% interrupt cpu.

As before with with 169.07, I get 100% CPU (100% of one core) used in interrupt when X is running. I have attached the requested debug information.
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File Type: log nvidia-bug-report.log (68.4 KB, 159 views)
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Old 02-29-08, 11:59 AM   #2
zBeeble42
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Default Re: 169.12 100% interrupt cpu.

A little bit more info (I've been living with this for a few days).

Interestingly, it seems like it's the active GPU that's gone interrupt crazy:

dgilbert@canoe:~> ps -ax | grep nv
23 ?? RL 209:13.36 [irq16: nvidia0]
24 ?? WL 0:16.80 [irq17: nvidia1++]
[2:5:305]dgilbert@canoe:~> ps -aux | grep nv
root 23 92.6 0.0 0 8 ?? RL 8:40AM 209:39.15 [irq16: nvidia0
root 24 0.0 0.0 0 8 ?? WL 8:40AM 0:16.84 [irq17: nvidia1]

It also looks like it's the _other_ GPU that's sharing it's IRQ with something.

For reference, here's the top bit:

last pid: 7561; load averages: 0.45, 0.24, 0.11 up 0+04:18:06 12:57:44
105 processes: 1 running, 104 sleeping
CPU states: 3.6% user, 0.0% nice, 0.4% system, 42.3% interrupt, 53.8% idle
Mem: 448M Active, 61M Inact, 307M Wired, 2364K Cache, 71M Buf, 2369M Free
Swap: 16G Total, 16G Free

(and that's on a completely idle system without me moving even the mouse --- remember 2 cpu system --- so 43% interrupt is most of one CPU)
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