[Nouveau] [Bug 23593] nouveau hangs after a few minutes

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=23593





--- Comment #6 from aeriksson at fastmail.fm  2009-09-02 05:41:40 PST ---
(In reply to comment #5)
> (In reply to comment #4)
> > Douh. Sorry about that. Removing the nvidiafb modules does make it better (and
> > I get kms!!).
> 
> Cool.
> 
> > However, leaving the machine for the night locks the screensaver. Wiggling the
> > mouse/kbd doesn't light up the screen. The machine continues to route packets
> > though.
> 
> Which screensaver is that, does it run an animation?
> 
The in-kernel one I guess. The led on the display goes to "sleep" mode and the
display powers off . Waiting a long time (e.g. over night) triggers it. I have
DPMS to sleep/off after 10 minutes, and these dpms induced sleeps can be undone
by kbd/mouse. It's the long sleep sessions (hours) that tend to lock it up.  

I have no traditional singing-dancing screensaver in use.



> > I get a bunch of these in the log:
> > 
> > Sep  1 19:11:13 tippex [drm:drm_ioctl], pid=2376, cmd=0x40086485, nr=0x85, dev
> > 0xe200, auth=1
> > Sep  1 19:11:13 tippex [drm:drm_ioctl], ret = fffffff5
> 
> This is still DRM_NOUVEAU_GEM_CPU_PREP returning EAGAIN. This is a sort of a
> soft lockup, where the graphics memory manager gets stuck. Well, assuming it
> gets stuck here, a bunch of those might appear even without a bug, I guess.
> 
I get about 100 roundtrips of them each second, and nothing else. Normal?



> > Do you want the entire log from boot?
> 
> That would be nice, yes.
> 
I'll post that tonight.


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