ubuntu-x-swat team mailing list archive

[Bryce Harrington <711434@xxxxxxxxxxxxxxxxxx>]

Typically gpu lockup bugs all share the same symptoms (more or less) but
can have completely different root causes.  "Mouse moving but screen not
updating" is nigh-universal to all GPU lockup bugs.  Unfortunately we
don't have the debugging tools available in the distro to distinguish
freezes on -nouveau like we do for -intel.

So, it would *really* help if each person could file their bug report as
a unique, separate bug report, rather than joining this bug report
assuming it's the same issue.  If you don't want to, that's ok, but
we'll be focusing only on Marc's issue and once that's solved will close
this bug report out.

Marc, did you attempt the nouveau.noaccel=1 workaround that Thomas
mentioned?  Also, the dmesg in your original bug report appears to be
from a working session.  What we need for analysis purposes is dmesg
(and why not, /var/log/Xorg.0.log too) from when it is locked up; you
will want to ssh into the box from another machine to do this.

@everyone else, again, please file a new bug report.  In each case we're
also going to need dmesg and /var/log/Xorg.0.loggggggggggggggggggggg
from while it's frozen.  There are some various help documents at
http://wiki.ubuntu.com/X for troubleshooting and analyzing these kinds
of issues.  If your lockup happens during boot, one thing to try is to
disable vesafb in grub on the kernel command line by passing
vesafb.anything=1; see
https://wiki.ubuntu.com/Kernel/KernelBootParameters for guidance on
setting kernel parameters.

** Changed in: xserver-xorg-video-nouveau (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/711434

Title:
  [natty] frequent Xorg freezes with nouveau