https://bugs.kde.org/show_bug.cgi?id=495670
Bug ID: 495670
Summary: Secondary Monitor causing kwin to crash on
connection/power on
Classification: Plasma
Product: kwin
Version: 6.2.2
Platform: Other
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: rob.tilb...@live.com
Target Milestone: ---
Application: kwin_wayland (6.2.2)
ApplicationNotResponding [ANR]: false
Qt Version: 6.7.2
Frameworks Version: 6.7.0
Operating System: Linux 6.11.5-200.fsync.fc40.x86_64 x86_64
Windowing System: Wayland
Distribution: Nobara Linux 40 (KDE Plasma)
DrKonqi: 6.2.2 [CoredumpBackend]
-- Information about the crash:
Steps to Reproduce:
1. Boot Computer
If secondary monitor is on, often login screen will not show, only black
screen, can change to another terminal window to reboot, login screen shows
fine if secondary monitor is off
2: Login without secondary monitor powered on - main screen will show fine, can
login and desktop will load correctly. If second monitor then powered on, kwin
will crash but recovers - appears to close all open windows e.g. steam, firefox
- they both crash but can then be started again (steam will usually need some
of its processes terminated from System Monitor
The crash can be reproduced every time.
-- Backtrace (Reduced):
#5 __pthread_kill_implementation (threadid=<optimized out>,
signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
#6 0x00007fc5e88a86d3 in __pthread_kill_internal (threadid=<optimized out>,
signo=6) at pthread_kill.c:78
#7 0x00007fc5e884fc4e in __GI_raise (sig=sig@entry=6) at
../sysdeps/posix/raise.c:26
#8 0x00007fc5e8837902 in __GI_abort () at abort.c:79
#9 0x00007fc5e8adabf0 in std::__glibcxx_assert_fail
(file=file@entry=0x7fc5ec21d198 "/usr/include/c++/14/bits/stl_vector.h",
line=line@entry=1213, function=function@entry=0x7fc5ec224cf8 "constexpr
std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::front() [with _Tp
= std::unique_ptr<KWin::DrmAtomicCommit>; _Alloc =
std::allocator<std::unique_ptr<KWin::DrmAtomicCommit> >; re"...,
condition=condition@entry=0x7fc5ec2556f4 "!this->empty()") at
../../../../../libstdc++-v3/src/c++11/assert_fail.cc:41
Reported using DrKonqi
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