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Bug#575965: xserver-xorg-video-intel: Random complete freezes of whole system



severity 575965 important
thanks

Juha Jäykkä <juhaj@iki.fi> (30/03/2010):
> Package: xserver-xorg-video-intel
> Version: 2:2.9.1-3
> Severity: grave
> Justification: renders package unusable

X freezes are usually just important, adjusting.

> My maximum X session length has been reduced to about 24 hours,
> thanks to the whole system freezing seemingly at random. The freeze
> is complete enough to stop the mouse cursor from moving and ICMP
> ECHO REQUESTs from being responded to (quite severe, that is, I
> would say).
> 
> None of the logs contain anything (they contain absolutely nothing,
> which I guess is related to the complete freeze: no chance to flush
> buffers to disc and I dot not have another machine at hand to do
> remote syslogging).

Urgh that's sad.

> The freeze is quite random, but *seems* to happen at times of
> intensive screen activity, either on-screen or off-screen (the
> latest happened while ctrl-c:ing through a python loop opening lots
> of windows, most of the others while doing some opengl stuff).
> 
> It started probably after upgrading to 2:2.9.1 (I cannot be sure).

What about downgrading to see whether that happened back then already?
It might be nice to see whether that's “just” a regression from a
known-working version.

Could you also give the 2.6.32-4-$arch kernel from sid a try? It might
have some DRM-related fixes (backported from 2.6.33 and maybe later),
which may help.

Mraw,
KiBi.

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