https://bugs.kde.org/show_bug.cgi?id=484363
Bug ID: 484363
Summary: Sometimes, on a multimonitor setup, screen locker
fails to unlock screen and shows "Unlock" button that
does nothing
Classification: Plasma
Product: kscreenlocker
Version: 6.0.2
Platform: Exherbo
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: li...@bernd-steinhauser.de
Target Milestone: ---
SUMMARY
This is very similar to what was reported in bug 456210, except that that bug
is for Plasma 5 and is supposed to be fixed.
Unfortunately, it doesn't happen every time, so it's unclear what the exact
circumstances are.
STEPS TO REPRODUCE
1. Lock screen
2. Enter password to unlock screen
3. Click the "Unlock" button that appears
OBSERVED RESULT
Nothing happens.
EXPECTED RESULT
Unlock screen.
SOFTWARE/OS VERSIONS
Operating System: Exherbo
KDE Plasma Version: 6.0.2
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.2
Kernel Version: 6.7.9-amdgpu (64-bit)
Graphics Platform: Wayland
Processors: 32 × AMD Ryzen 9 5950X 16-Core Processor
Memory: 62.7 GiB of RAM
Graphics Processor: AMD Radeon RX 6600
Manufacturer: Micro-Star International Co., Ltd.
Product Name: MS-7C90
System Version: 1.0
ADDITIONAL INFORMATION
A workaround is to unlock the screen by switching to a TTY, performing a login
and then using loginctl to unlock the screen:
loginctl unlock-session 2
There is not much in the journal suggesting that there is an issue with login,
screen locker or similar:
kwin_wayland[1606]: kwin_core: XCB error: 147 (BadOutput), sequence: 63170,
resource id: 1127, major code: 140 (RANDR), minor code: 30 (SetOutputPrimary)
kwin_wayland[1606]: kwin_core: KWin::LayerShellV1Window doesn't support setting
maximized state
kwin_wayland[1606]: kwin_core: KWin::LayerShellV1Window doesn't support setting
fullscreen state
kscreenlocker_greet[2558460]: qt.gui.imageio: libpng warning: iCCP: known
incorrect sRGB profile
kwin_wayland[1606]: kwin_core: KWin::LayerShellV1Window doesn't support setting
maximized state
kwin_wayland[1606]: kwin_core: KWin::LayerShellV1Window doesn't support setting
fullscreen state
kscreenlocker_greet[2558460]:
file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/lockscreen/NoPasswordUnlock.qml:26:
ReferenceError: tryToSwitchUser is not defined
kscreenlocker_greet[2558460]:
file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/lockscreen/NoPasswordUnlock.qml:26:
ReferenceError: tryToSwitchUser is not defined
All other messages are just kernel finding new devices because the screens were
turned on and a lot of complains from and about firefox.
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