https://bugs.kde.org/show_bug.cgi?id=453210
Bug ID: 453210
Summary: KScreenLocker service not available on screen lock
Product: kwin
Version: master
Platform: openSUSE RPMs
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: ryu.ketsu...@outlook.com
Target Milestone: ---
SUMMARY
Recently, after an update, the whole desktop will simply lock up when it is
meant to just go to the lock screen. Because it locks the whole session, I ran
gdb and attached to the PID to get a backtrace. Here it is:
#0 0x00007f39932d463e in ppoll () at /lib64/libc.so.6
#1 0x00007f3994506380 in ppoll (__ss=0x0, __timeout=0x0, __nfds=10,
__fds=0x564e238096d8) at /usr/include/bits/poll2.h:64
#2 qt_ppoll (timeout_ts=0x0, nfds=10, fds=0x564e238096d8) at
kernel/qcore_unix.cpp:132
#3 qt_safe_poll(pollfd*, unsigned long, timespec const*) (fds=0x564e238096d8,
nfds=10, timeout_ts=timeout_ts@entry=0x0)
at kernel/qcore_unix.cpp:155
#4 0x00007f3994507a13 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:502
#5 0x0000564e2043093d in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at qunixeventdispatcher.cpp:63
#6 0x00007f39944b155b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ffd26b1ed40, flags=...,
flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:69
#7 0x00007f39944b9820 in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#8 0x00007f399490561c in QGuiApplication::exec() () at
kernel/qguiapplication.cpp:1867
#9 0x00007f3993977a85 in QApplication::exec() () at
kernel/qapplication.cpp:2824
#10 0x0000564e20345c6f in main(int, char**) (argc=<optimized out>,
argv=<optimized out>)
at
/usr/src/debug/kwin5-5.24.80git.20220426T162047~1365a76f-ku.86.1.x86_64/src/main_wayland.cpp:657
Detaching from program: /usr/bin/kwin_wayland, process 2223
[Inferior 1 (process 2223) detached]
I don't understand why it was like that. On journalctl, it says that
KScreenLocker service was not available before everything locked up.
SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20220426
KDE Plasma Version: 5.24.80
KDE Frameworks Version: 5.94.0
Qt Version: 5.15.2
Kernel Version: 5.17.4-1-default (64-bit)
Graphics Platform: Wayland
Processors: 4 × Intel® Core™ i3-7020U CPU @ 2.30GHz
Memory: 11.5 GiB of RAM
Graphics Processor: Mesa Intel® HD Graphics 620
Manufacturer: LENOVO
Product Name: 81FE
System Version: Lenovo ideapad 330-15IKB
ADDITIONAL INFORMATION
Packages supplied by KDE Unstable repos on openSUSE Tumbleweed. I can't build
using kdesrc-build due to a cmake error.
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