Bug#663345: xserver-xorg-video-nouveau: Random freezes with latest version of kde and xorg

[Sven Joachim <svenjoac@gmx.de>]

On 2012-03-10 17:53 +0100, Mahesh T. Pai wrote:

> Sven Joachim said on Sat, Mar 10, 2012 at 05:03:08PM +0100,:
>
>  > environment (e.g. "echo LIBGL_ALWAYS_SOFTWARE=1 >> /etc/environment",
>  > then log out and restart kdm).
>
> Will try. 
>
>  > This IGP appears to be problematic.  Has it worked well with Nouveau
>  > before?
>  > 
>
> Worked in what sense? I have this machine for about 2/3 years (cant pinpoint 
> exact date). I used the proprietary kernel drivers for a longish period, and 
> then moved to the nouveau drivers, for past, say, 12/18 months. 
>
> Compositing (as in compiz and similar options) had not worked till last upgrade. 
> Almost everything else I wanted  worked - most graphics intensive work I have 
> tried was childsplay and similar kids' games. This is mostly a browsing, text 
> editing and occassional VCD/DVD  watching (small snippets only) machine. 

So basic 2D was working for you.  Not everybody had been so lucky with
the GeForce 7025, it seems.

> Apps like glxgears have worked - but last time i tried - just for entertaining 
> the kids - was 3 months back. 
>
> Hmmm ... I moved to kde because that new version of GNOME insisted on 3D 
> acceleration, and could not persuade the machine to use 3D acceleration after
> 3 months of struggle. 

The 3D driver has been in the libgl1-mesa-dri package since 7.11.1-1,
e.g. for about three months (in testing).

> Any way, I downgraded the version of x-x-video-nouveau, -core and some other
> allied apps to testing. See below. 
>
> $ dpkg -l xserver-xorg* |grep ii
> ii  xserver-xorg                          1:7.6+12                       X.Org X server
> ii  xserver-xorg-core                     2:1.11.3.901-2                 Xorg X server - core server
> ii  xserver-xorg-input-evdev              1:2.6.0-2+b2                   X.Org X server -- evdev input driver
> ii  xserver-xorg-input-kbd                1:1.6.0-3+b1                   X.Org X server -- keyboard input driver
> ii  xserver-xorg-video-nouveau            1:0.0.16+git20111201+b5534a1-1 X.Org X server -- Nouveau display driver
>
>
> Now, I have no freezes for past more than one hour. So, this is definitely
> a issue with teh nouveau driver;

I am a bit surprised to read this, since the only difference between the
nouveau versions in testing and experimental is that the former has been
built for xserver 1.11, the latter for 1.12.

Cheers,
       Sven