On 2011-07-10 20:37 +0200, bri...@aracnet.com wrote:

> I'm experiencing VT switching flakiness with the debian stable nouveau driver.
>
> ii  xserver-xorg-video-nouveau                      
> 1:0.0.15+git20100329+7858345
>
> The symptom is that trying to switch a VT between x-sessions running on 
> different
> displays, i.e. :0 (VT-7) and :1 (VT-8) kills keyboard input.  The box
> doesn't lock, I can ssh in and reboot, but it does have to be
> rebooted.
>
> I get a bunch of :
>
>   syslog.0:Jul  9 23:15:50 windy kernel: [105281.262178] [drm] nouveau 
> 0000:03:00.0: no space while hiding cursor
>   syslog.0:Jul  9 23:15:50 windy kernel: [105281.426794] [drm] nouveau 
> 0000:03:00.0: no space while hiding cursor
>
> It _appears_ that this problem has been patched
>
>   Lucas Stach      2011-05-11 11:47:10 PDT
>
>   Fixed by xf86-video-nouveau commit 8378443bd3b26b57ef2ae424a700e01ead813d33.
>
> Unfortunately it looks like the patch was committed in may, but even the 
> unstable version 
>
>   1:0.0.16+git20110411+8378443-1+b1: amd64 armel armhf i386 ...
>
> may not include it (says 4-11).

Without even looking it up, I'm positive it does.  The "8378443" in the
long Debian package version is the abbreviated SHA1 of the latest
upstream commit, and if you look closely…

> How can I figure out if which debian version, if any, has the patch ?

Clone the git repository of the Debian package:

git clone git://git.debian.org/pkg-xorg/driver/xserver-xorg-video-nouveau.git

> Is it reasonable for me to try and build the latest version, should I
> not be able to get a debian package which includes it ?

Rebuilding the sid package on squeeze will definitely be impossible.
However, you could try to cherry-pick the fix.

Good luck,
Sven


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