F12 updates-testing issue: X flickers and fails to start

[Dave Airlie]

On Tue, 2009-12-08 at 01:50 -0800, Dan Williams wrote:
> On Tue, 2009-12-08 at 10:33 +0200, Pekka Savola wrote:
> > Hi,
> > 
> > On my laptop, after F12 updates-testing update today, after reboot F 
> > logo shows but then the screen goes dark and starts flickering between 
> > various shades of dark (changing modes?) with intel graphics chipset 
> > (GM965/GL960).  I'm only using 1024x768 resolution. Nomodeset or using 
> > a previous kernel didn't help.  Booting to runlevel 3 and running 
> > system-config-display (--reconfig) resulted in the same.
> > 
> > I've worked around the issue by "yum history undo 1" which rolled 
> > back a couple of hundred packages.
> > 
> > Any idea which package could be the culprit and I should file a bug 
> > against or to isolate it?  Somehow I don't think this is necessarily 
> > an Xorg base or driver issue.
> 
> I'd start with xorg-x11-drv-intel.  Update to the package set that
> caused the problem, then for the bug report attach the output of
> 'dmesg', your entire /var/log/Xorg.0.log file, and the output of 'lspci
> -nv'.  Also indicate your kernel version, the version of
> xorg-x11-server-Xorg, and the version of xorg-x11-drv-intel.
> 

kernel is probably first up nowadays to blame for GPU bugs.

File bugs against the X drivers generally though is easier for us to
find them, kernel bug triage can be a long process.


Dave.