[Nouveau] [Bug 111213] VA-API nouveau SIGSEGV and asserts

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111213

--- Comment #3 from KJ Liew <liewkj at yahoo.com> ---
(In reply to LoneVVolf from comment #1)
> Problem started with mesa 19.1.x and is also present in git master

I am not quite sure if this started with mesa 19.1.x. On GT730 I downgraded
mesa 
back to 19.0.6 and gstreamer is still broken. The vainfo/vdpauinfo SIGSEGV
started with mesa 19.1.x. But that was just the simplest VA-API sanity check
and I found that h264 video decoding remains broken.

$ pacman -Qs mesa | grep ^[a-z]
local/glu 9.0.0-5
local/libva-mesa-driver 19.0.6-1
local/mesa 19.0.6-1
local/mesa-demos 8.4.0-1
local/mesa-vdpau 19.0.6-1

$ gst-launch-1.0 playbin uri=file:///path/to/MP4 
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
Got context from element 'vaapipostproc0': gst.gl.GLDisplay=context,
gst.gl.GLDisplay=(GstGLDisplay)"\(GstGLDisplayWayland\)\ gldisplaywayland0";
Got context from element 'vaapipostproc0': gst.vaapi.Display=context,
gst.vaapi.Display=(GstVaapiDisplay)"\(GstVaapiDisplayEGL\)\ vaapidisplayegl0";
Caught SIGSEGV
Spinning.  Please run 'gdb gst-launch-1.0 1280' to continue debugging, Ctrl-C
to quit, or Ctrl-\ to dump core.

# gdb gst-launch-1.0 1280
(gdb) bt
#0  0x00007fa2e8de1667 in poll () from /usr/lib/libc.so.6
#1  0x00007fa2e8b1aa80 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fa2e8b1ba63 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#3  0x00007fa2e8c73f52 in gst_bus_poll () from /usr/lib/libgstreamer-1.0.so.0
#4  0x0000563693c9f974 in ?? ()
#5  0x0000563693c9e85c in ?? ()
#6  0x00007fa2e8d16ee3 in __libc_start_main () from /usr/lib/libc.so.6
#7  0x0000563693c9ed0e in _start ()

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