https://bugs.kde.org/show_bug.cgi?id=407930
Bug ID: 407930
Summary: Something spams the notification area with hundreds of
"Additional multimedia codec required"
Product: frameworks-knotifications
Version: 5.54.0
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kdelibs-b...@kde.org
Reporter: p...@ralfj.de
CC: kdelibs-b...@kde.org
Target Milestone: ---
SUMMARY
Sometimes (around every two days), Plasma goes crazy showing notifications that
say "Additional multimedia codec required". Closing one just makes the next
appear, and opening the notification list shows hundreds of these notifications
(I can scroll down for a long while in that list and still see just more
duplicates of the same notification). CPU load goes to 100%.
Clicking the "Install" button in one of these notifications opens some GNOME
application saying "internet access was required but wasn't available". The
window title says "Vorbis decoder", so it seems like something thinks I don't
have a vorbis decoder? ".ogg" files play just fine though.
This stops when I close Konsole. In this state, closing individual tabs in
Konsole does not work any more (they just stay open even when I hit Ctrl-D),
but closing the entire window works. However, I have (very rarely) also seen
Kate do this. Just Konsole does it much more often.
STEPS TO REPRODUCE
1. Open Konsole.
2. Use it for a day or two.
OBSERVED RESULT
Something spams the system with notifications saying I need an extra audio
codec. This stops when I close Konsole.
EXPECTED RESULT
There should be no notification spam. Also audio is working fine so the message
seems wrong in the first place.
SOFTWARE/OS VERSIONS
Operating System: Debian GNU/Linux 10
KDE Plasma Version: 5.14.5
Qt Version: 5.11.3
KDE Frameworks Version: 5.54.0
Kernel Version: 4.19.0-5-amd64
OS Type: 64-bit
ADDITIONAL INFORMATION
My guess is that this is caused by the notification system or so? It wants to
play an ".ogg" file, something goes wrong, then it concludes the codec is
missing and somehow retries that in a loop? But notifications in Konsole
generally work fine. Still, clearly this bug is not in Konsole-the-applocation
but somewhere in KDE's library stack.
The same symptoms have been described at
https://bugzilla.redhat.com/show_bug.cgi?id=1551152, so this is not a Debian
thing.
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