https://bugs.kde.org/show_bug.cgi?id=480300
Bug ID: 480300
Summary: Sometimes after locking plasmashell enters a crash
loop every few minutes
Classification: Plasma
Product: plasmashell
Version: 5.92.0
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: Panel
Assignee: plasma-b...@kde.org
Reporter: comwi...@gmail.com
CC: niccolo.venera...@gmail.com
Target Milestone: 1.0
SUMMARY
Sometimes after locking plasmashell (wayland) enters a crash loop every few
minutes.
It errors with
```
Jan 24 21:34:59 Garriet plasmashell[170401]: The Wayland connection experienced
a fatal error: Too many open files
Jan 24 21:34:59 Garriet plasmashell[170401]: Error marshalling request: Too
many open files
Jan 24 21:34:59 Garriet plasmashell[170401]: error marshalling arguments for
get_icon: dup failed: Too many open files
```
Running:
lsof -p $(pidof plasmashell) | wc -l
Reveals that new pipes are being made rapidly, several a second, example:
plasmashe 171221 michael 1002r FIFO 0,14 0t0 4066168
pipe
plasmashe 171221 michael 1003r FIFO 0,14 0t0 4081732
pipe
plasmashe 171221 michael 1004r FIFO 0,14 0t0 4067066
pipe
plasmashe 171221 michael 1005r FIFO 0,14 0t0 4080284
pipe
plasmashe 171221 michael 1006r FIFO 0,14 0t0 4082971
pipe
plasmashe 171221 michael 1007r FIFO 0,14 0t0 4081734
pipe
plasmashe 171221 michael 1008r FIFO 0,14 0t0 4081736
pipe
plasmashe 171221 michael 1009r FIFO 0,14 0t0 4073952
pipe
STEPS TO REPRODUCE
1. Let screen lock and blank
2. Unlock
3. There is a chance this crash loop starts
OBSERVED RESULT
Crashing every couple minutes
EXPECTED RESULT
No crashing
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch KDE RC1
(available in About System)
KDE Plasma Version: 5.92.0
KDE Frameworks Version: 5.248.0
Qt Version: 6.7.0
ADDITIONAL INFORMATION
Looks like a possible memory leak not closing icons? As the out of handles
error always happens when trying to open an icon. I am not interacting with the
panel in any way during this time, my focus stayed in this text box every time
it crashed, and it crashed several times in the period of entering this text.
System seems stable most of the time, but last time this happened I rebooted
before it stopped. It doesn't always happen when locking the session.
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