[Nouveau] [Bug 41750] New: Driver sometimes freezes X - mouse still works. Symptom: Event Queue overflow

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=41750

           Summary: Driver sometimes freezes X - mouse still works.
                    Symptom: Event Queue overflow
           Product: xorg
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: christianasseburg at yahoo.co.uk
         QAContact: xorg-team at lists.x.org


Created an attachment (id=52305)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=52305)
Xorg.0.log.old

Hi. Using xorg-server-1.10.4 with xf86-video-nouveau-0.0.16_pre20110801.

Sometimes my X server freezes. Then the mouse pointer still moves with the
mouse, but keyboard does not work and display does not update any more. I have
to switch off the machine with the power button. The problem can be caused by
e.g. PDF viewer or Flash player or a photo viewer, but it only happens
occasionally.

Xorg.0.log.old then contains the information that the EQ overflow occurred. I
have compiled the relevant packages with debug symbols, but not all of the
symbols are shown. I looked up some additional symbols using gdb. If I can
provide additional information, please let me know how. Thanks!

Xorg.0.log.old attached. Also attaching a text file where I added debug symbols
manually. That file contains two instances of the "freeze", the second one is
the one in the Xorg.0.log.old. The other one was earlier, but I think it's the
same issue.

Also attaching the dmesg output of the current session (which has not crashed
yet). I cannot get dmesg output after the crash because the keyboard doesn't
work.

Thanks!

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