Nouveau - Oct 2010 - [Bug 31074] New: Reproducable OOPS with VLC's "Accelerated video output" [9400M]

https://bugs.freedesktop.org/show_bug.cgi?id=31074

           Summary: Reproducable OOPS with VLC's "Accelerated video
                    output" [9400M]
           Product: xorg
           Version: git
          Platform: Other
        OS/Version: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: felix.leimbach at gmx.net
         QAContact: xorg-team at lists.x.org


Created an attachment (id=39663)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=39663)
stacktrace (netconsole) of OOPS

(This bug was split off from #31058)

On a MacBook 6,1 with linux 2.6.36 (64bit) and an external TFT connected via a
displayport->DVI adapter a kernel OOPS can be triggered by player a video
full-screen on the external monitor.

It only happens if VLC's option "Accelerated video output
(Overlay)" is
enabled.

Note that on the laptop's internal screen I *can* play full screen with that
option *enabled* and no OOPS happens. It only happens on the external display.

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https://bugs.freedesktop.org/show_bug.cgi?id=31074

--- Comment #1 from Marcin Slusarz <marcin.slusarz at gmail.com>
2010-10-24 01:52:11 PDT ---
You probably didn't enable CONFIG_DEBUG_INFO or don't have
CONFIG_FRAME_POINTER. Please enable it and reproduce once more. You should not
see "?" in every line of stacktrace.

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https://bugs.freedesktop.org/show_bug.cgi?id=31074

--- Comment #2 from Francisco Jerez <currojerez at riseup.net> 2010-10-24
05:05:50 PDT ---
Created an attachment (id=39665)
 View: https://bugs.freedesktop.org/attachment.cgi?id=39665
 Review: https://bugs.freedesktop.org/review?bug=31074&attachment=39665

nv50_vsync_head.patch

The attached patch may help.

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--- Comment #3 from Felix Leimbach <felix.leimbach at gmx.net> 2010-10-24
06:03:37 PDT ---
(In reply to comment #2)
> The attached patch may help.
Francisco, your patch fixes the problem. Cheers.

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Felix Leimbach <felix.leimbach at gmx.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #39663|0                           |1
        is obsolete|                            |

--- Comment #4 from Felix Leimbach <felix.leimbach at gmx.net> 2010-10-24
06:10:35 PDT ---
Created an attachment (id=39666)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=39666)
better stacktrace (netconsole) of OOPS

(In reply to comment #1)

I had those two defined. Switching from out-of-tree nouveau modules to the
nouveau linux-2.6 tree produced a better stacktrace, so maybe that was the
problem.

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Francisco Jerez <currojerez at riseup.net> changed:

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

--- Comment #5 from Francisco Jerez <currojerez at riseup.net> 2010-10-25
17:44:12 PDT ---
Thanks, this should be fixed in master now.

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