https://bugs.kde.org/show_bug.cgi?id=501073
Bug ID: 501073
Summary: kwin gets locked up playing a youtube video in firefox
and "kwin_wayland_drm: The main thread was hanging
temporarily!"
Classification: Plasma
Product: kwin
Version: 6.3.2
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: core
Assignee: kwin-bugs-n...@kde.org
Reporter: a...@digitalsignalperson.com
Target Milestone: ---
SUMMARY
Clicking a youtube link in firefox completely freezes up the graphics on all
monitors but audio is playing. I can't see any visual changes. Clicking the
back button on the mouse will do nothing initially, but after a long lag
navigates away from the page and animation to the desktop is restored.
STEPS TO REPRODUCE
1. wayland desktop & running firefox native wayland
2. navigate to e.g. https://news.ycombinator.com/item?id=43255446
3. click the link to youtube
4. Click back button on mouse immediately
OBSERVED RESULT
- hear the audio from the video without any issues
- entire desktop frozen. Ctrl+Alt+Fkeys also doesn't affect the output
- after about a minute the back button press seems to go through, return to
desktop with firefox navigated to the previous page and everything back to
normal
It's repeatable for me.
Timeline:
- 12:58:51: The timestamp when the clock is initially frozen on my desktop
- 12:59:16: the image on the desktop changed once: I see the firefox page
navigate backwards, but desktop & clock still frozen
- 12:59:41: finally animation and mouse etc restored
The journal:
Mar 04 12:58:51 rtkit-daemon[6414]: Supervising 7 threads of 4 processes of 2
users.
Mar 04 12:58:51 rtkit-daemon[6414]: Supervising 7 threads of 4 processes of 2
users.
Mar 04 12:58:51 rtkit-daemon[6414]: Successfully made thread 680723 of process
680474 owned by '1000' RT at priority 10.
Mar 04 12:58:51 rtkit-daemon[6414]: Supervising 8 threads of 5 processes of 2
users.
Mar 04 12:58:51 rtkit-daemon[6414]: Supervising 8 threads of 5 processes of 2
users.
Mar 04 12:58:51 rtkit-daemon[6414]: Supervising 8 threads of 5 processes of 2
users.
Mar 04 12:58:51 rtkit-daemon[6414]: Supervising 8 threads of 5 processes of 2
users.
Mar 04 12:58:51 rtkit-daemon[6414]: Supervising 8 threads of 5 processes of 2
users.
Mar 04 12:58:54 rtkit-daemon[6414]: Supervising 8 threads of 5 processes of 2
users.
Mar 04 12:58:54 rtkit-daemon[6414]: Supervising 8 threads of 5 processes of 2
users.
Mar 04 12:59:15 systemd[1]: systemd-timedated.service: Deactivated
successfully.
Mar 04 12:59:16 kwin_wayland[6386]: kwin_wayland_drm: The main thread was
hanging temporarily!
Mar 04 12:59:16 plasmashell[6583]:
file:///usr/share/plasma/plasmoids/org.kde.plasma.private.systemtray/contents/ui/items/PlasmoidItem.qml:24:
TypeError: Cannot read property 'toolTipMainText' of null
Mar 04 12:59:41 kwin_wayland[6386]: kwin_wayland_drm: The main thread was
hanging temporarily!
Mar 04 12:59:41 kwin_wayland[6386]: kwin_wayland_drm: The main thread was
hanging temporarily!
Mar 04 12:59:41 kwin_wayland[6386]: kwin_wayland_drm: atomic commit failed:
Invalid argument
Mar 04 12:59:41 kwin_wayland[6386]: kwin_wayland_drm: atomic commit failed:
Invalid argument
Mar 04 12:59:41 kwin_wayland[6386]: kwin_core: Cannot grant a token to
KWin::ClientConnection(0x61b5fca9d700)
Mar 04 12:59:41 kwin_wayland[6386]: kwin_wayland_drm: atomic commit failed:
Permission denied
Specific events at the relevant timestamps I recorded:
- 12:58:51: initial freezing correpsonds to rtkit-daemon messages
- 12:59:16: momentary un-freezing corresponds to "kwin_wayland_drm: The main
thread was hanging temporarily!"
- 12:59:41: final unfreezing corresponds with more kwin_wayland_drm and
kwin_core messages
Also after this a lot of ` bluetoothd[4766]: Endpoint unregistered` then `
bluetoothd[4766]: Endpoint registered:` and org.kde.pulseaudio messages.
E.g:
Mar 04 12:59:42 bluetoothd[4766]: Endpoint registered: sender=:1.450
path=/MediaEndpoint/A2DPSource/opus_05
Mar 04 12:59:42 bluetoothd[4766]: Endpoint registered: sender=:1.450
path=/MediaEndpoint/A2DPSink/opus_05_duplex
Mar 04 12:59:42 bluetoothd[4766]: Endpoint registered: sender=:1.450
path=/MediaEndpoint/A2DPSource/opus_05_duplex
Mar 04 12:59:42 kded6[268459]: org.kde.pulseaudio: No object for name
"auto_null"
Mar 04 12:59:42 kded6[268459]: org.kde.pulseaudio: No object for name
"auto_null.monitor"
Mar 04 12:59:42 plasmashell[268485]: org.kde.pulseaudio: No object for name
"auto_null"
Mar 04 12:59:42 plasmashell[268485]: org.kde.pulseaudio: No object for name
"auto_null.monitor"
Mar 04 12:59:42 kded6[268459]: org.kde.pulseaudio: No object for name
"@DEFAULT_SINK@"
Mar 04 12:59:42 kded6[268459]: org.kde.pulseaudio: No object for name
"@DEFAULT_SOURCE@"
Mar 04 12:59:42 plasmashell[268485]: org.kde.pulseaudio: No object for name
"@DEFAULT_SINK@"
Mar 04 12:59:42 plasmashell[268485]: org.kde.pulseaudio: No object for name
"@DEFAULT_SOURCE@"
Mar 04 12:59:42 kded6[268459]: org.kde.pulseaudio: No object for name
"@DEFAULT_SINK@"
Mar 04 12:59:42 kded6[268459]: org.kde.pulseaudio: No object for name
"@DEFAULT_SOURCE@"
Mar 04 12:59:42 kded6[268459]: org.kde.pulseaudio: No object for name
"alsa_output.pci-0000_01_00.1.hdmi-stereo.monitor"
Mar 04 12:59:42 plasmashell[268485]: org.kde.pulseaudio: No object for name
"@DEFAULT_SINK@"
Mar 04 12:59:42 plasmashell[268485]: org.kde.pulseaudio: No object for name
"@DEFAULT_SOURCE@"
Mar 04 12:59:42 plasmashell[268485]: org.kde.pulseaudio: No object for name
"alsa_output.pci-0000_01_00.1.hdmi-stereo.monitor"
Mar 04 12:59:42 kded6[268459]: org.kde.pulseaudio: No object for name
"alsa_output.pci-0000_01_00.1.hdmi-stereo.monitor"
Mar 04 12:59:42 plasmashell[268485]: org.kde.pulseaudio: No object for name
"alsa_output.pci-0000_01_00.1.hdmi-stereo.monitor"
Mar 04 12:59:42 bluetoothd[4766]: Endpoint unregistered: sender=:1.450
path=/MediaEndpoint/A2DPSource/ldac
Mar 04 12:59:42 bluetoothd[4766]: Endpoint unregistered: sender=:1.450
path=/MediaEndpoint/A2DPSink/aptx_hd
Mar 04 12:59:42 bluetoothd[4766]: Endpoint unregistered: sender=:1.450
path=/MediaEndpoint/A2DPSource/aptx_hd
EXPECTED RESULT
- firefox shouldn't break the compositor
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux, 6.12.17-1-lts (64-bit)
KDE Plasma Version: 6.3.2
KDE Frameworks Version: 6.11.0
Qt Version: 6.8.2
Firefox 135.0.1
ADDITIONAL INFORMATION
This is new, I just updated my system. Previous version without this issue
included KDE Plasma Version: 6.2.4, Qt: 6.8.1.
My session is running with `KWIN_DRM_DEVICES=/dev/dri/card1 exec
startplasma-wayland` as I have two graphics cards.
No issues with chromium
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