Public bug reported:
[ Description ]
Unfortunately I couldn't convince apport-cli to report this for me, so manually
attaching a symbolic crash backtrace and other information I can think of.
This is an easily reproducible crash on questing Aug 26th. It may not
have anything specifically to do with HEVC or 4K content, but that's
what reliably reproduces it for me. The test file is 182 MiB, so not
easily shareable here, but I can share if required.
I found I need to play the file in Showtime first (which works fine),
and then play the file in gst-play-1.0. Before the window is even
mapped, the shell crashes (although you here a few seconds of sound
before that).
A cursory glance at the backtrace suggests this might have something to
do with switch between Wayland / X11 (perhaps gst-play is negotiating an
X11 window for some reason...)
[ Misc information ]
Linux 6.16.0-16-generic
amd64
ubuntu:GNOME
gdm3
Ubuntu 25.10
gnome-shell 49~beta.1-0ubuntu3
It appears to have something to do with XWayland.
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "Manually captured backtrace"
https://bugs.launchpad.net/bugs/2121508/+attachment/5902735/+files/all_threads_backtrace.txt
** Description changed:
- Unfortunately I couldn't convince apport-cli to report this for me, so
- manually attaching a symbolic crash backtrace and other information I
- can think of.
+ [ Description ]
+ Unfortunately I couldn't convince apport-cli to report this for me, so
manually attaching a symbolic crash backtrace and other information I can think
of.
- This is an easily reproducible crash on questing Aug 26th.
+ This is an easily reproducible crash on questing Aug 26th. It may not
+ have anything specifically to do with HEVC or 4K content, but that's
+ what reliably reproduces it for me. The test file is 182 MiB, so not
+ easily shareable here, but I can share if required.
+
+ I found I need to play the file in Showtime first (which works fine),
+ and then play the file in gst-play-1.0. Before the window is even
+ mapped, the shell crashes (although you here a few seconds of sound
+ before that).
+
+ A cursory glance at the backtrace suggests this might have something to
+ do with switch between Wayland / X11 (perhaps gst-play is negotiating an
+ X11 window for some reason...)
+
+ [ Misc information ]
Linux 6.16.0-16-generic
amd64
ubuntu:GNOME
gdm3
Ubuntu 25.10
gnome-shell 49~beta.1-0ubuntu3
It appears to have something to do with XWayland.
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https://bugs.launchpad.net/bugs/2121508
Title:
playing 4K HEVC content with gst-play-1.0 crashes gnome-shell
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