Bug 511399

Summary: plasmashell crash on monitor layout change
Product: [Plasma] plasmashell Reporter: Alexander Elbs <alex>
Component: generic-crashAssignee: Plasma Bugs List <plasma-bugs-null>
Status: REPORTED ---    
Severity: crash CC: nate
Priority: NOR Keywords: drkonqi, qt-crash
Version First Reported In: 6.5.0   
Target Milestone: 1.0   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: New crash information added by DrKonqi

Description Alexander Elbs 2025-10-30 21:42:11 UTC
Application: plasmashell (6.5.0)

ApplicationNotResponding [ANR]: false
Qt Version: 6.10.0
Frameworks Version: 6.19.0
Operating System: Linux 6.17.5-arch1-1 x86_64
Windowing System: Wayland
Distribution: "Arch Linux"
DrKonqi: 6.5.0 [CoredumpBackend]

-- Information about the crash:
I was switching monitors on and during the automated layout change plasmashell crashed.

The crash does not seem to be reproducible.

-- Backtrace (Reduced):
#5  0x000056241a74a930 in ??? ()
#6  0x00007fd3ad3d716f in QtPrivate::QSlotObjectBase::call (this=0x56241aeef450, r=0x7ffd3826b990, a=0x7ffd3826b150, this=<optimized out>, r=<optimized out>, a=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs_impl.h:461
#7  doActivate<false> (sender=<optimized out>, signal_index=<optimized out>, argv=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:4255
[...]
#9  QTimer::timeout (this=<optimized out>, _t1=...) at /usr/src/debug/qt6-base/build/src/corelib/Core_autogen/include/moc_qtimer.cpp:182
#10 QTimer::timerEvent (e=<optimized out>, this=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qtimer.cpp:322
#11 QTimer::timerEvent (this=<optimized out>, e=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qtimer.cpp:316
#12 0x00007fd3ad3c44f6 in QObject::event (this=<optimized out>, e=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:1386
#13 0x00007fd3af7020a0 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x7ffd3826bac0, e=0x7ffd3826b2f0) at /usr/src/debug/qt6-base/qtbase/src/widgets/kernel/qapplication.cpp:3307
#14 0x00007fd3ad36a6c8 in QCoreApplication::notifyInternal2 (receiver=0x7ffd3826bac0, event=0x7ffd3826b2f0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1109
#15 0x00007fd3ad52c6af in QCoreApplication::sendEvent (receiver=<optimized out>, event=0x7ffd3826b2f0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1549
#16 QTimerInfoList::activateTimers (this=0x56241a9c9ec0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qtimerinfo_unix.cpp:426
#17 0x00007fd3ad64da99 in timerSourceDispatch (source=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:152
#18 0x00007fd3abfbff8d in g_main_dispatch (context=0x7fd3a0000f60) at ../glib/glib/gmain.c:3565
#19 0x00007fd3abfc1657 in g_main_context_dispatch_unlocked (context=0x7fd3a0000f60) at ../glib/glib/gmain.c:4425
#20 g_main_context_iterate_unlocked (context=context@entry=0x7fd3a0000f60, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4490
#21 0x00007fd3abfc1865 in g_main_context_iteration (context=0x7fd3a0000f60, may_block=1) at ../glib/glib/gmain.c:4556


Reported using DrKonqi
Comment 1 Alexander Elbs 2025-10-30 21:42:12 UTC
Created attachment 186346 [details]
New crash information added by DrKonqi

DrKonqi auto-attaching complete backtrace.
Comment 2 Nate Graham 2025-10-31 18:47:54 UTC
Thread 1 (Thread 0x7fd3a6a40080 (LWP 55988)):
[KCrash Handler]
#5  0x000056241a74a930 in ??? ()
#6  0x00007fd3ad3d716f in QtPrivate::QSlotObjectBase::call (this=0x56241aeef450, r=0x7ffd3826b990, a=0x7ffd3826b150, this=<optimized out>, r=<optimized out>, a=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs_impl.h:461
#7  doActivate<false> (sender=<optimized out>, signal_index=<optimized out>, argv=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:4255
#8  0x00007fd3ad3e439c in QMetaObject::activate<void, QTimer::QPrivateSignal> (sender=<optimized out>, mo=<optimized out>, local_signal_index=0, ret=0x0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs.h:319
#9  QTimer::timeout (this=<optimized out>, _t1=...) at /usr/src/debug/qt6-base/build/src/corelib/Core_autogen/include/moc_qtimer.cpp:182
#10 QTimer::timerEvent (e=<optimized out>, this=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qtimer.cpp:322
#11 QTimer::timerEvent (this=<optimized out>, e=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qtimer.cpp:316
#12 0x00007fd3ad3c44f6 in QObject::event (this=<optimized out>, e=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:1386
#13 0x00007fd3af7020a0 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x7ffd3826bac0, e=0x7ffd3826b2f0) at /usr/src/debug/qt6-base/qtbase/src/widgets/kernel/qapplication.cpp:3307
#14 0x00007fd3ad36a6c8 in QCoreApplication::notifyInternal2 (receiver=0x7ffd3826bac0, event=0x7ffd3826b2f0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1109
#15 0x00007fd3ad52c6af in QCoreApplication::sendEvent (receiver=<optimized out>, event=0x7ffd3826b2f0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1549
#16 QTimerInfoList::activateTimers (this=0x56241a9c9ec0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qtimerinfo_unix.cpp:426
#17 0x00007fd3ad64da99 in timerSourceDispatch (source=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:152
#18 0x00007fd3abfbff8d in g_main_dispatch (context=0x7fd3a0000f60) at ../glib/glib/gmain.c:3565
#19 0x00007fd3abfc1657 in g_main_context_dispatch_unlocked (context=0x7fd3a0000f60) at ../glib/glib/gmain.c:4425
#20 g_main_context_iterate_unlocked (context=context@entry=0x7fd3a0000f60, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4490
#21 0x00007fd3abfc1865 in g_main_context_iteration (context=0x7fd3a0000f60, may_block=1) at ../glib/glib/gmain.c:4556
#22 0x00007fd3ad64a9d2 in QEventDispatcherGlib::processEvents (this=0x56241a9400b0, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:399
#23 0x00007fd3ad375a86 in QEventLoop::processEvents (this=0x7ffd3826b5c0, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:104
#24 QEventLoop::exec (this=0x7ffd3826b5c0, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:186
#25 0x00007fd3ad36f171 in QCoreApplication::exec () at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1452
#26 0x000056241a7172d9 in ??? ()
#27 0x00007fd3aca27675 in __libc_start_call_main (main=main@entry=0x56241a713f50, argc=argc@entry=2, argv=argv@entry=0x7ffd3826bcb8) at ../sysdeps/nptl/libc_start_call_main.h:58
#28 0x00007fd3aca27729 in __libc_start_main_impl (main=0x56241a713f50, argc=2, argv=0x7ffd3826bcb8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd3826bca8) at ../csu/libc-start.c:360
#29 0x000056241a717875 in ??? ()