Bug 31074 - Reproducable OOPS with VLC's "Accelerated video output" [9400M]
Summary: Reproducable OOPS with VLC's "Accelerated video output" [9400M]
Status: RESOLVED FIXED
Alias: None
Product: xorg
Classification: Unclassified
Component: Driver/nouveau (show other bugs)
Version: git
Hardware: Other Linux (All)
: medium critical
Assignee: Nouveau Project
QA Contact: Xorg Project Team
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2010-10-24 01:27 UTC by Felix Leimbach
Modified: 2010-10-25 17:44 UTC (History)
0 users

See Also:
i915 platform:
i915 features:

Attachments
stacktrace (netconsole) of OOPS (8.68 KB, text/plain)
2010-10-24 01:27 UTC, Felix Leimbach 		no flags Details
nv50_vsync_head.patch (1.37 KB, patch)
2010-10-24 05:05 UTC, Francisco Jerez 		no flags Details | Splinter Review
better stacktrace (netconsole) of OOPS (4.96 KB, text/plain)
2010-10-24 06:10 UTC, Felix Leimbach 		no flags Details
Show Obsolete (1) View All

Description Felix Leimbach 2010-10-24 01:27:56 UTC 
Created attachment 39663 [details]
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.
Comment 1 Marcin Slusarz 2010-10-24 01:52:11 UTC 
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.
Comment 2 Francisco Jerez 2010-10-24 05:05:50 UTC 
Created attachment 39665 [details] [review]
nv50_vsync_head.patch

The attached patch may help.
Comment 3 Felix Leimbach 2010-10-24 06:03:37 UTC 
(In reply to comment #2)
> The attached patch may help.

Francisco, your patch fixes the problem. Cheers.
Comment 4 Felix Leimbach 2010-10-24 06:10:35 UTC 
Created attachment 39666 [details]
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.
Comment 5 Francisco Jerez 2010-10-25 17:44:12 UTC 
Thanks, this should be fixed in master now.

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