[Bug 108890] VLC Segmentation fault (core dumped)

[bugzilla-daemon@freedesktop.org]

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https://bugs.freedesktop.org/show_bug.cgi?id=108890

            Bug ID: 108890
           Summary: VLC Segmentation fault (core dumped)
           Product: DRI
           Version: unspecified
          Hardware: Other
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu-pro
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: snurfle@gmail.com

Created attachment 142649
  --> https://bugs.freedesktop.org/attachment.cgi?id=142649&action=edit
Pertinent system logs

Upgraded Ubuntu 16.04 to 18.04.1.  VLC worked correctly prior to the upgrade;
no hardware changes were made.
VLC plays music files correctly.
Any video files cause "Segmentation fault (core dumped)"
Happens if 2x-clicking a video file, or if dropping a video file onto a running
VLC window, or if selecting a video from Media -> Open File.
Specific file format does not matter - I have confirmed with mp4, mkv, webm,
avi, mov
Turning hardware acceleration off does not correct the issue.

Full output:
VLC media player 3.0.4 Vetinari (revision 3.0.4-0-gf615db6332)
[0000557badb0d570] main libvlc: Running vlc with the default interface. Use
'cvlc' to use vlc without interface.
[0000557badb114e0] main playlist: playlist is empty
Gtk-Message: 10:02:40.800: GtkDialog mapped without a transient parent. This is
discouraged.
Segmentation fault (core dumped)


Videos play correctly with xine.

Possibly related symptoms:
Videos viewed on Chrome exhibit tearing (with hw accel on or off) but not in
Firefox.
After the initial upgrade, the system would freeze at every boot - screen would
flicker and attempt to launch the GUI, but would drop back to the terminal. 
Safe Mode from the recovery console would flicker the screen and return to the
recovery console. ***This behavior was the same when booting to a live Ubuntu
18.04.1 disc.***  Ultimately required amdgpu-uninstall from recovery console
CLI to get to a login/desktop.
Currently running the latest AMDGPU driver, and have removed and re-installed
it multiple times. ("amdgpu-pro-18.40-676022-ubuntu-18.04.tar.xz")
No other graphics issues are apparent with the system; Geeks3d GPUtest runs
very smoothly and gives very impressive results.

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