Nouveau - Nov 2013 - [Bug 71362] New: [NVC1] X hang with drop to console after some time / GPU lockup

https://bugs.freedesktop.org/show_bug.cgi?id=71362

          Priority: medium
            Bug ID: 71362
          Assignee: nouveau at lists.freedesktop.org
           Summary: [NVC1] X hang with drop to console after some time /
                    GPU lockup
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: krah.tm at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: 9.2
         Component: Drivers/DRI/nouveau
           Product: Mesa

Created attachment 88851
  --> https://bugs.freedesktop.org/attachment.cgi?id=88851&action=edit
Xorg.0.log

Just surfing around and reading the mail to 71357 X went slow and did hang
finally.
Logs are attached - Ubuntu 13.10 with Mesa 9.2.1.

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--- Comment #1 from Torsten Krah <krah.tm at gmail.com> ---
Created attachment 88852
  --> https://bugs.freedesktop.org/attachment.cgi?id=88852&action=edit
lspci -nn

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--- Comment #2 from Torsten Krah <krah.tm at gmail.com> ---
Created attachment 88853
  --> https://bugs.freedesktop.org/attachment.cgi?id=88853&action=edit
dmesg after dropping to fbcon

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--- Comment #3 from Torsten Krah <krah.tm at gmail.com> ---
Created attachment 88854
  --> https://bugs.freedesktop.org/attachment.cgi?id=88854&action=edit
backtrace from gdb with VTSwitch

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Torsten Krah <krah.tm at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[NVC1] X hang with drop to  |[NVC1] X hang with drop to
                   |console after some time /   |console after some time /
                   |GPU lockup                  |GPU lockup - PFIFO error
                   |                            |and TTM error @dmesg

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--- Comment #4 from Torsten Krah <krah.tm at gmail.com> ---
Created attachment 88863
  --> https://bugs.freedesktop.org/attachment.cgi?id=88863&action=edit
another dmesg gpu lockup log

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--- Comment #5 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Is this helped at all by the patch I suggested in bug 71357? It should be
included in 3.11.10 and 3.12.2 as well as 3.13-rc1.

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Ilia Mirkin <imirkin at alum.mit.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #6 from Ilia Mirkin <imirkin at alum.mit.edu> ---
No response from reporter in over a month. Closing as invalid.

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--- Comment #7 from Torsten Krah <krah.tm at gmail.com> ---
I can't trigger this with usecase XY - so i don't know if its fixed - i
did
only report it that it did happening, maybe you can tell me from the traces how
this can be forced to happen.

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