Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: nvidia-graphics-drivers-470 (Ubuntu)
Status: New => Confirmed
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Packages, which is subscribed to nvidia-graphics-drivers-418 in Ubuntu.
https://bugs.launchpad.net/bugs/1846374
Title:
Having a video playing/paused when switched to another user generates
gigabytes of error logs
Status in nvidia-graphics-drivers-340 package in Ubuntu:
Confirmed
Status in nvidia-graphics-drivers-418 package in Ubuntu:
Confirmed
Status in nvidia-graphics-drivers-435 package in Ubuntu:
Confirmed
Status in nvidia-graphics-drivers-440 package in Ubuntu:
Confirmed
Status in nvidia-graphics-drivers-460 package in Ubuntu:
Confirmed
Status in nvidia-graphics-drivers-470 package in Ubuntu:
Confirmed
Bug description:
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.
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