Public bug reported:
To replicate:
1. Start a video playing, for example in vlc. 'avcodec decoder: Using
NVIDIA VDPAU Driver Shared Library 418.56 Fri Mar 15 12:31:51 CDT 2019
for hardware decoding'
2. Optionally pause it.
3. Switch to another user.
The original user's ~/.xsession-errors will rapidly fill up with errors
along the lines of "vdpau_chroma filter error".
At the same time, errors are put in /var/log/syslog as well:
[00007f9d604810a0] vdpau_chroma filter error: video mixer features failure: An
invalid handle value was provided.
[00007f9d604810a0] vdpau_chroma filter error: video mixer attributes failure:
An invalid handle value was provided.
[00007f9d604810a0] vdpau_chroma filter error: video mixer rendering failure: An
invalid handle value was provided.
(repeat ad nauseum)
At least one of the two will rapidly fill up its partition and problems
will arise.
With AMD video hardware and driver, the video continues playing - you
can hear the sound despite being in the other user.
** Affects: nvidia-graphics-drivers-418 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1846374
Title:
Having a video playing/paused when switched to another user generates
gigabytes of error logs
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