https://bugs.kde.org/show_bug.cgi?id=515631

TraceyC <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|plasmashell crashes         |plasmashell crashes when
                   |                            |monitor turns itself off
                   |                            |after inactivity
                 CC|                            |[email protected]

--- Comment #2 from TraceyC <[email protected]> ---
Searchable backtrace

Thread 1 (Thread 0x7f203466dc40 (LWP 21085)):
[KCrash Handler]
#5  __pthread_kill_implementation (threadid=<optimized out>,
signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
#6  0x00007f203889de33 in __pthread_kill_internal (threadid=<optimized out>,
signo=6) at pthread_kill.c:89
#7  0x00007f20388427b6 in __GI_raise (sig=sig@entry=6) at
../sysdeps/posix/raise.c:26
#8  0x00007f203882934b in __GI_abort () at abort.c:77
#9  0x00007f20390f657f in qAbort () at
/usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/global/qassert.cpp:46
#10 qt_maybe_message_fatal<QString&> (msgType=QtFatalMsg, context=<optimized
out>, message=...) at
/usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/global/qlogging.cpp:2166
#11 qt_message(QtMsgType, const QMessageLogContext &, const char *, typedef
__va_list_tag __va_list_tag *) (msgType=msgType@entry=QtFatalMsg, context=...,
msg=msg@entry=0x7f200c1f7760 "KWaylandBackend: no output modes available
anymore, this seems like a compositor bug", ap=ap@entry=0x7ffe4b3c9258) at
/usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/global/qlogging.cpp:412
#12 0x00007f20390f7123 in QMessageLogger::fatal
(this=this@entry=0x7ffe4b3c94b0, msg=msg@entry=0x7f200c1f7760 "KWaylandBackend:
no output modes available anymore, this seems like a compositor bug") at
/usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/global/qlogging.cpp:901
#13 0x00007f200c1e7e48 in operator() (__closure=<optimized out>) at
/usr/src/debug/libkscreen-6.5.5/backends/kwayland/waylandoutputdevice.cpp:73
#14 operator() (__closure=<optimized out>) at
/usr/include/qt6/QtCore/qobjectdefs_impl.h:116
#15 QtPrivate::FunctorCallBase::call_internal<void,
QtPrivate::FunctorCall<std::integer_sequence<long unsigned int>,
QtPrivate::List<>, void,
KScreen::WaylandOutputDevice::kde_output_device_v2_mode(kde_output_device_mode_v2*)::<lambda()>
>::call(KScreen::WaylandOutputDevice::kde_output_device_v2_mode(kde_output_device_mode_v2*)::<lambda()>&,
void**)::<lambda()> > (args=<optimized out>, fn=<optimized out>) at
/usr/include/qt6/QtCore/qobjectdefs_impl.h:65
#16 QtPrivate::FunctorCall<std::integer_sequence<long unsigned int>,
QtPrivate::List<>, void,
KScreen::WaylandOutputDevice::kde_output_device_v2_mode(kde_output_device_mode_v2*)::<lambda()>
>::call (f=<optimized out>, arg=<optimized out>) at
/usr/include/qt6/QtCore/qobjectdefs_impl.h:115
#17
QtPrivate::FunctorCallable<KScreen::WaylandOutputDevice::kde_output_device_v2_mode(kde_output_device_mode_v2*)::<lambda()>
>::call<QtPrivate::List<>, void> (f=<optimized out>, arg=<optimized out>) at
/usr/include/qt6/QtCore/qobjectdefs_impl.h:337
#18
QtPrivate::QCallableObject<KScreen::WaylandOutputDevice::kde_output_device_v2_mode(kde_output_device_mode_v2*)::<lambda()>,
QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *,
void **, bool *) (which=<optimized out>, this_=<optimized out>, r=<optimized
out>, a=<optimized out>, ret=<optimized out>) at
/usr/include/qt6/QtCore/qobjectdefs_impl.h:547
#19 0x00007f2039237a60 in QtPrivate::QSlotObjectBase::call
(this=0x5634ab335520, r=<optimized out>, a=0x7ffe4b3c9568) at
/usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/kernel/qobjectdefs_impl.h:461
#20 doActivate<false> (sender=0x5634ab5956e0, signal_index=3,
argv=0x7ffe4b3c9568) at
/usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/kernel/qobject.cpp:4272
#21 0x00007f2038ebcc92 in ffi_call_unix64 () at ../src/x86/unix64.S:104
#22 0x00007f2038eb9a26 in ffi_call_int (cif=cif@entry=0x7ffe4b3c9770,
fn=fn@entry=0x7f200c1e8220
<QtWayland::kde_output_device_mode_v2::handle_removed(void*,
kde_output_device_mode_v2*)>, rvalue=<optimized out>, rvalue@entry=0x0,
avalue=avalue@entry=0x7ffe4b3c9840, closure=closure@entry=0x0) at
../src/x86/ffi64.c:676
#23 0x00007f2038ebc2ae in ffi_call (cif=cif@entry=0x7ffe4b3c9770,
fn=0x7f200c1e8220 <QtWayland::kde_output_device_mode_v2::handle_removed(void*,
kde_output_device_mode_v2*)>, rvalue=rvalue@entry=0x0,
avalue=avalue@entry=0x7ffe4b3c9840) at ../src/x86/ffi64.c:713
#24 0x00007f203c08d7f3 in wl_closure_invoke
(closure=closure@entry=0x7f202400a170, target=<optimized out>,
target@entry=0x7f202800b120, opcode=opcode@entry=3, data=<optimized out>,
flags=1) at ../src/connection.c:1241
#25 0x00007f203c08e539 in dispatch_event (display=display@entry=0x5634aa92e020,
queue=queue@entry=0x5634aa92e118) at ../src/wayland-client.c:1707
#26 0x00007f203c08e8eb in dispatch_queue (display=0x5634aa92e020,
queue=0x5634aa92e118) at ../src/wayland-client.c:1853
#27 wl_display_dispatch_queue_pending (display=0x5634aa92e020,
queue=0x5634aa92e118) at ../src/wayland-client.c:2190
#28 0x00007f203a3649f2 in QtWaylandClient::QWaylandDisplay::flushRequests
(this=<optimized out>) at
/usr/src/debug/qtbase-everywhere-src-6.10.2/src/plugins/platforms/wayland/qwaylanddisplay.cpp:229
#29 0x00007f2039224d04 in QObject::event (this=<optimized out>, e=<optimized
out>) at
/usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/kernel/qobject.cpp:1413
#30 0x00007f203b5e8df8 in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x5634aa92ddf0, e=0x7f202400aa50) at
/usr/src/debug/qtbase-everywhere-src-6.10.2/src/widgets/kernel/qapplication.cpp:3305
#31 0x00007f20391cf6d8 in QCoreApplication::notifyInternal2
(receiver=0x5634aa92ddf0, event=0x7f202400aa50) at
/usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/kernel/qcoreapplication.cpp:1109
#32 0x00007f20391cf71d in QCoreApplication::sendEvent (receiver=<optimized
out>, event=<optimized out>) at
/usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/kernel/qcoreapplication.cpp:1549
#33 0x00007f20391d1cba in QCoreApplicationPrivate::sendPostedEvents
(receiver=0x0, event_type=0, data=0x5634aa920650) at
/usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/kernel/qcoreapplication.cpp:1904
#34 0x00007f2039491027 in postEventSourceDispatch (s=s@entry=0x5634aa92be00) at
/usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/kernel/qeventdispatcher_glib.cpp:246
#35 0x00007f2037b6db76 in g_main_dispatch (context=0x7f202c000f60) at
../glib/gmain.c:3565
#36 g_main_context_dispatch_unlocked (context=context@entry=0x7f202c000f60) at
../glib/gmain.c:4425
#37 0x00007f2037b70a68 in g_main_context_iterate_unlocked
(context=context@entry=0x7f202c000f60, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4490
#38 0x00007f2037b712ac in g_main_context_iteration (context=0x7f202c000f60,
may_block=1) at ../glib/gmain.c:4556
#39 0x00007f203948ec71 in QEventDispatcherGlib::processEvents
(this=0x5634aa92b600, flags=...) at
/usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/kernel/qeventdispatcher_glib.cpp:401
#40 0x00007f20391dd62b in QEventLoop::exec (this=0x7ffe4b3c9de0, flags=...) at
/usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/global/qflags.h:77
#41 0x00007f20391d4503 in QCoreApplication::exec () at
/usr/src/debug/qtbase-everywhere-src-6.10.2/src/corelib/kernel/qcoreapplication.cpp:1452
#42 0x00007f2039a2a910 in QGuiApplication::exec () at
/usr/src/debug/qtbase-everywhere-src-6.10.2/src/gui/kernel/qguiapplication.cpp:1977
#43 0x00007f203b5e42d9 in QApplication::exec () at
/usr/src/debug/qtbase-everywhere-src-6.10.2/src/widgets/kernel/qapplication.cpp:2575
#44 0x00005634865b5298 in main (argc=<optimized out>, argv=<optimized out>) at
/usr/src/debug/plasma-workspace-6.5.5/shell/main.cpp:188

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