* [Bug 102006] gstreamer vaapih264enc segfault
@ 2017-08-01 20:00 bugzilla-daemon
2017-08-14 13:00 ` bugzilla-daemon
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: bugzilla-daemon @ 2017-08-01 20:00 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=102006
Bug ID: 102006
Summary: gstreamer vaapih264enc segfault
Product: DRI
Version: XOrg git
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Radeon
Assignee: dri-devel@lists.freedesktop.org
Reporter: rataj28@gmail.com
Created attachment 133180
--> https://bugs.freedesktop.org/attachment.cgi?id=133180&action=edit
proposed patch by Julien Isorce
Based on following bug:
https://bugzilla.gnome.org/show_bug.cgi?id=785085
In Mesa the picture_id is a frame number which is in the range 0-31 here:
https://cgit.freedesktop.org/mesa/mesa/tree/src/gallium/state_trackers/va/picture.c#n430
In gst vaapi it is used as surface handles and that can be larger than 31 thus
causing SEGFAULT.
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* [Bug 102006] gstreamer vaapih264enc segfault
2017-08-01 20:00 [Bug 102006] gstreamer vaapih264enc segfault bugzilla-daemon
@ 2017-08-14 13:00 ` bugzilla-daemon
2017-08-14 13:00 ` bugzilla-daemon
2017-08-14 13:01 ` bugzilla-daemon
2 siblings, 0 replies; 4+ messages in thread
From: bugzilla-daemon @ 2017-08-14 13:00 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=102006
--- Comment #1 from Julien Isorce <julien.isorce@gmail.com> ---
Also see https://bugzilla.gnome.org/show_bug.cgi?id=785085
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* [Bug 102006] gstreamer vaapih264enc segfault
2017-08-01 20:00 [Bug 102006] gstreamer vaapih264enc segfault bugzilla-daemon
2017-08-14 13:00 ` bugzilla-daemon
@ 2017-08-14 13:00 ` bugzilla-daemon
2017-08-14 13:01 ` bugzilla-daemon
2 siblings, 0 replies; 4+ messages in thread
From: bugzilla-daemon @ 2017-08-14 13:00 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=102006
--- Comment #2 from Julien Isorce <julien.isorce@gmail.com> ---
Comment on attachment 133180
--> https://bugs.freedesktop.org/attachment.cgi?id=133180
proposed patch by Julien Isorce
commit 91d93aa62162f98d6377e5c796b63faa263f2c18
Author: Julien Isorce <julien.isorce@gmail.com>
Date: Tue Jul 25 15:31:28 2017 +0100
st/va: change frame_idx from array to hash table
The picture_id was assumed to be a frame number so in 0-31.
But the vaapi client gstreamer-vaapi uses the surfaces handles
as identifier which are unsigned int.
This bug can happen when using a lot of vaapi surfaces within
the same process. Indeed Mesa/st/va increments a counter for the
surface ID: mesa/util/u_handle_table.c::handle_table_add which
starts from 0 and incremented by 1 at each call.
So creating more than 32 surfaces was a problem.
The following bug contains a test that reproduces the problem
by running a couple of vaapih264enc in the same process. The
above also explains why there was no pb when running them in
separated processes.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102006
Signed-off-by: Julien Isorce <jisorce@oblong.com>
Tested-by: Tomas Rataj <rataj28@gmail.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-and-tested-by: Boyuan Zhang <Boyuan.Zhang@amd.com>
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* [Bug 102006] gstreamer vaapih264enc segfault
2017-08-01 20:00 [Bug 102006] gstreamer vaapih264enc segfault bugzilla-daemon
2017-08-14 13:00 ` bugzilla-daemon
2017-08-14 13:00 ` bugzilla-daemon
@ 2017-08-14 13:01 ` bugzilla-daemon
2 siblings, 0 replies; 4+ messages in thread
From: bugzilla-daemon @ 2017-08-14 13:01 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=102006
Julien Isorce <julien.isorce@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
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