https://bugs.kde.org/show_bug.cgi?id=469353
Bug ID: 469353
Summary: The whole UI freezes until KWin is killed and
restarted
Classification: Plasma
Product: kwin
Version: 5.27.4
Platform: Neon
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: sephiroth...@hotmail.it
Target Milestone: ---
SUMMARY
I have experienced random freezes of the whole UI which persist until I switch
to a tty and kill KWin with "kill -9". The freezes appear to be related to
showing notifications. Nothing appears in logs except for the following:
May 04 12:16:07 Sleipnir plasmashell[3299972]:
file:///usr/share/plasma/plasmoids/org.kde.plasma.taskmanager/contents/ui/PlayerController.qml:92:
TypeError: Type error
May 04 12:16:07 Sleipnir plasmashell[3299972]: Could not find the Plasmoid for
Plasma::FrameSvgItem(0x5652c7f4bdd0) QQmlContext(0x5652bf68f6c0)
QUrl("file:///usr/share/plasma/plasmoids/org.kde.plasma.notification>
May 04 12:16:07 Sleipnir plasmashell[3299972]: Could not find the Plasmoid for
Plasma::FrameSvgItem(0x5652c7f4bdd0) QQmlContext(0x5652bf68f6c0)
QUrl("file:///usr/share/plasma/plasmoids/org.kde.plasma.notification>
Sometimes the freeze doesn't happen all at once, but Plasma's widget pop-ups
appear as black rectangles and then the whole UI freezes. Bringing up KRunner
doesn't work (it accepts a couple of keystrokes, then freezes). In those cases
I need to also restart the plasmashell process as it remains unresponsive even
after restarting KWin.
STEPS TO REPRODUCE
1. ?
OBSERVED RESULT
The whole UI freezes.
EXPECTED RESULT
There are no freezes (sorry, rather generic but it really can't be more
specific than this...).
SOFTWARE/OS VERSIONS
Linux: KDE neon
KDE Plasma Version: 5.27.4
KDE Frameworks Version: 5.105.0
Qt Version: 5.15.9
ADDITIONAL INFORMATION
CPU: AMD Ryzen 5 2500U
GPU: AMD Radeon Vega 8
Mesa: 22.2.5
I am using multiple screens: the laptop's one is duplicated to an external
screen with the same resolution (1920x1080), plus another screen (2560x1440),
both connected through a USB-C dock.
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