[Bug 111213] New: VA-API nouveau SIGSEGV and asserts - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 111213] New: VA-API nouveau SIGSEGV and asserts
Date: Thu, 25 Jul 2019 07:16:35 +0000	[thread overview]
Message-ID: <bug-111213-8800@http.bugs.freedesktop.org/> (raw)


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

            Bug ID: 111213
           Summary: VA-API nouveau SIGSEGV and asserts
           Product: Mesa
           Version: 19.0
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: liewkj-/E1597aS9LQAvxtiuMwx3w@public.gmane.org
        QA Contact: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org

Tested hardware: Geforce 9300 mGPU (NVAC), GT730-GK208B (NV106)
VA-API apps: gstreamer-vaapi, Chromium-vaapi-bin(AUR)
OS: ArchLinux x86_64 kernel 5.2.2-arch1-1-ARCH
GUI: GNOME/Wayland using nouveau

- vainfo & vdpauinfo SIGSEV due to NULL pointer
ArchLinux discussion thread
https://bbs.archlinux.org/viewtopic.php?id=247466

- h264 video decode failed with assertion and tendency to crash GNOME/GUI
Test h264 clip:
$ youtube-dl -f mp4 https://www.youtube.com/watch?v=azvR__GRQic
Gstreamer command line
$ gst-launch-1.0 playbin uri=file:///path/to/MP4
or
$ gst-launch-1.0 filesrc location=/path/to/MP4 ! qtdemux ! vaapidecodebin !
vaapisink

Use enhanced-h264ify plugin on Chromium to playback the same h264 video clip
from YouTube.com
Geforce 9300 mGPU - video played as garbage, browser may crash
GT730 - fallback to FFmpegVideoDecoder after asserts
ve4_set_surface_info:969 - unsupported surface format, try
is_format_supported() !
romium/chromium --type=gpu-process
--field-trial-handle=7734813049068668419,17986421265460211344,131072
--disable-breakpad
--gpu-preferences=KAAAAAAAAAAgAACgAQAAAAAAAAAAAGAAAAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA
--service-request-channel-token=7551475798706255496:
../mesa-19.1.3/src/gallium/drivers/nouveau/nvc0/nve4_compute.c:396:
nve4_compute_validate_constbufs: Assertion `i > 0' failed.

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