[Nouveau] [Bug 46779] New: Freeze on G86 [Quadro NVS 290] under Gnome Shell when opening Firefox tabs

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=46779

             Bug #: 46779
           Summary: Freeze on G86 [Quadro NVS 290] under Gnome Shell when
                    opening Firefox tabs
    Classification: Unclassified
           Product: xorg
           Version: 7.6 (2010.12)
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: sebastien.villemot at ens.fr
         QAContact: xorg-team at lists.x.org


Created attachment 57816
  --> https://bugs.freedesktop.org/attachment.cgi?id=57816
Debug info generated by Debian tool

Since I moved to Gnome 3, I experience a freeze of the nouveau driver. I never
experienced a freeze with Gnome 2 or XFCE.

Under a normal use the freeze happens once a week or so, but I have been able
to reproduce it almost deterministically:
- launch Gnome Shell
- open my RSS reader (Emacs/Gnus)
- quickly open several RSS items, which creates several tabs in Firefox (in
particular this triggers the notification pop-up at the bottom of the screen)

The freeze inevitably occurs then. Display entirely frozen except the mouse.

I am able to SSH into the machine, kill the X server and start a new one. But
the display remains frozen, so reboot is the only way to restore a sane state
(I could not unload the "nouveau" kernel module).

I am using Debian testing ("Wheezy"), which has version
0.0.16+git20111201+b5534a1 of the nouveau driver.

I attach some debug output created using Debian debug script, a full kernel
log, and a GDB trace that I generated by attaching to the X process while it
was in a frozen state.

Don't hesitate to ask for more debug information, since I have a way to
reproduce the problem.

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