https://bugs.kde.org/show_bug.cgi?id=430010
Bug ID: 430010
Summary: Desktop freeze after resume from Screen Energy Saving.
Product: kwin
Version: 5.20.4
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: core
Assignee: kwin-bugs-n...@kde.org
Reporter: dv...@yandex.ru
Target Milestone: ---
Desktop freeze after resume from Screen Energy Saving.
STEPS TO REPRODUCE
1. Activate option System Settings->Power Management->Energy Saving->Screen
Energy Saving (the option should be turned to on)
2. Wait when screen switch off
3. Activate the mouse to turn on the screen
OBSERVED RESULT
Screen fully freezes. Cannot control any windows. It cases not always. I can't
catch when this accurate happens. It also happens with all KDE 5 old versions,
maybe it issue the intel drivers, I don't know.
Remove it freeze can only switch to another console (tty2) by (CTRL+SHIFT+F2)
then return to first console (CTRL+SHIFT+F1) and Desktop is unfreeze.
When the desktop freezes, then the mouse works and even changes the mouse
cursor over the frozen windows in those areas where as example the text input
controls should be updated by the window system. I seem freezes Windows System
and do not update areas on screen, however other devises has not problem.
In journalctl I see only next messages between freeze and unfreeze:
дек 04 13:53:13 manjaro plasmashell[1553]: org.kde.plasma.pulseaudio: No object
for name "alsa_output.pci-0000_00_1b.0.analog-stereo.monitor"
дек 04 13:53:21 manjaro kdeinit5[1467211]: Qt: Session management error:
networkIdsList argument is NULL
дек 04 13:54:15 manjaro kcminit[1467733]: Initializing "kcm_mouse" :
"kcminit_mouse"
дек 04 13:54:15 manjaro kwin_x11[1519]: qt.qpa.xcb: QXcbConnection: XCB error:
3 (BadWindow), sequence: 25945, resource id: 94371845, major code: 18
(ChangeProperty), minor code: 0
дек 04 13:54:16 manjaro kcminit[1467753]: Initializing "kcm_mouse" :
"kcminit_mouse"
дек 04 13:54:16 manjaro kwin_x11[1519]: qt.qpa.xcb: QXcbConnection: XCB error:
3 (BadWindow), sequence: 26068, resource id: 94371845, major code: 18
(ChangeProperty), minor code: 0
EXPECTED RESULT
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Linux 5.9.11 (Manjaro Linux with last updates)
KDE Plasma Version: 5.20.4
KDE Frameworks Version: 5.76.0
Qt Version: 5.15.2
ADDITIONAL INFORMATION
Videocard - Intel Haswell, 4-th gen. HD Graphics 4600
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