[Nouveau] [Bug 98129] New: X hung with nouveau 'INVALID_CMD' and 'INVALID_ADDRESS_ALIGNMENT' errors on GeForce 9600 GT [10de:0622]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98129

            Bug ID: 98129
           Summary: X hung with nouveau 'INVALID_CMD' and
                    'INVALID_ADDRESS_ALIGNMENT' errors on GeForce 9600 GT
                    [10de:0622]
           Product: xorg
           Version: git
          Hardware: x86-64 (AMD64)
                OS: All
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: adamw at happyassassin.net
        QA Contact: xorg-team at lists.x.org

Recently my desktop - running Fedora 25, kernel 4.8.0-0.rc8.git0.1.fc25.x86_64
, xorg-x11-drv-nouveau-1.0.13-1.fc25.x86_64 - hung in the middle of normal
operation. X was totally stuck, but I could get in and shut down via ssh. The
journal shows these nouveau errors at the time of the hang:

Oct 03 16:55:33 adam.happyassassin.net kernel: nouveau 0000:01:00.0: fifo:
DMA_PUSHER - ch 6 [systemd-logind[1245]] get 00200218e0 put 0020024010 ib_get
0000032c ib_put 0000032d state 80004861 (err: INVALID_CMD) push 00504031
Oct 03 16:55:33 adam.happyassassin.net kernel: nouveau 0000:01:00.0: fifo:
DMA_PUSHER - ch 6 [systemd-logind[1245]] get 0020024010 put 0020024010 ib_get
0000032c ib_put 00000348 state 80000000 (err: INVALID_CMD) push 00406040
Oct 03 16:55:33 adam.happyassassin.net kernel: nouveau 0000:01:00.0: gr:
DATA_ERROR 0000000b [INVALID_ADDRESS_ALIGNMENT]
Oct 03 16:55:33 adam.happyassassin.net kernel: nouveau 0000:01:00.0: gr:
00100000 [] ch 6 [001fbe5000 systemd-logind[1245]] subc 0 class 5039 mthd 0328
data 00000000

this is on a GeForce 9600 GT, [10de:0622] , with two displays connected via
DVI.

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