[kde] [Bug 446111] New: Plasma crashed on Wayland on dragging a widget from Widgets Explorer

Patrick Silva bugzilla_noreply at kde.org
Fri Nov 26 10:45:37 GMT 2021 

https://bugs.kde.org/show_bug.cgi?id=446111

            Bug ID: 446111
           Summary: Plasma crashed on Wayland on dragging a widget from
                    Widgets Explorer
           Product: kde
           Version: unspecified
          Platform: Neon Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: bugseforuns at gmx.com
  Target Milestone: ---

Application: plasmashell (5.23.80)

Qt Version: 5.15.3
Frameworks Version: 5.89.0
Operating System: Linux 5.11.0-40-generic x86_64
Windowing System: Wayland
Distribution: KDE neon Unstable Edition
DrKonqi: 5.23.80 [CoredumpBackend]

-- Information about the crash:
- What I was doing when the application crashed:
open the Widgets Explorer on Wayland, drag a widget to desktop, do not release
the mouse button and hover over the widget Explorer.

The reporter is unsure if this crash is reproducible.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Content of s_kcrashErrorMessage: std::unique_ptr<char []> = {get() = 0x0}
[New LWP 15498]
[New LWP 15643]
[New LWP 15564]
[New LWP 15565]
[New LWP 15566]
[New LWP 15567]
[New LWP 15681]
[New LWP 16440]
[New LWP 16466]
[New LWP 15743]
[New LWP 16465]
[New LWP 15689]
[New LWP 16464]
[New LWP 16468]
[New LWP 15528]
[New LWP 15649]
[New LWP 15692]
[New LWP 15726]
[New LWP 16467]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/plasmashell'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  __GI_raise (sig=sig at entry=11) at ../sysdeps/unix/sysv/linux/raise.c:50
[Current thread is 1 (Thread 0x7f834c4e64c0 (LWP 15498))]
__preamble__

[Current thread is 1 (Thread 0x7f834c4e64c0 (LWP 15498))]

Thread 19 (Thread 0x7f82e7539700 (LWP 16467)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f82e7538b50, clockid=<optimized out>, expected=0,
futex_word=0x7f832000e3c4) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f82e7538b50, clockid=<optimized
out>, mutex=0x7f832000e370, cond=0x7f832000e398) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f832000e398, mutex=0x7f832000e370,
abstime=0x7f82e7538b50) at pthread_cond_wait.c:665
#3  0x00007f8350722558 in QWaitConditionPrivate::wait_relative(QDeadlineTimer)
(this=0x7f832000e370, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=...,
this=0x7f832000e370) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this at entry=0x7f832000e480, mutex=mutex at entry=0x558c50a843b8,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007f835071fa61 in QThreadPoolThread::run() (this=0x7f832000e470) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f835071c45c in QThreadPrivate::start(void*) (arg=0x7f832000e470) at
thread/qthread_unix.cpp:329
#8  0x00007f8350200609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f835039c293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f8301d60700 (LWP 15726)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x558c52e35334) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558c52e352e0,
cond=0x558c52e35308) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558c52e35308, mutex=0x558c52e352e0) at
pthread_cond_wait.c:647
#3  0x00007f83507225cb in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x558c52e352e0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this at entry=0x558c565d51c8, mutex=mutex at entry=0x558c565d51c0,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f835238ec24 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x558c565d51b8) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore()
(this=this at entry=0x558c565d5120) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f835238f099 in QSGRenderThread::run() (this=0x558c565d5120) at
scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f835071c45c in QThreadPrivate::start(void*) (arg=0x558c565d5120) at
thread/qthread_unix.cpp:329
#9  0x00007f8350200609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f835039c293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f83034ae700 (LWP 15692)):
#0  0x00007f835038faff in __GI___poll (fds=0x7f82fc006320, nfds=1,
timeout=3498605) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f834ec2b36e in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7f82fc006320, timeout=<optimized out>, context=0x7f82fc000c20)
at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context at entry=0x7f82fc000c20,
block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3  0x00007f834ec2b4a3 in g_main_context_iteration (context=0x7f82fc000c20,
may_block=may_block at entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f835095d602 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f82fc000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f83509018ab in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7f83034adba0, flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f835071b2c2 in QThread::exec() (this=this at entry=0x558c505bc550) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f830358e07c in KCupsConnection::run() (this=0x558c505bc550) at
./libkcups/KCupsConnection.cpp:289
#8  0x00007f835071c45c in QThreadPrivate::start(void*) (arg=0x558c505bc550) at
thread/qthread_unix.cpp:329
#9  0x00007f8350200609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f835039c293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f8340992700 (LWP 15649)):
#0  0x00007f835038faff in __GI___poll (fds=0x7f8324004a60, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f834ec2b36e in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7f8324004a60, timeout=<optimized out>, context=0x7f8324000c20)
at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context at entry=0x7f8324000c20,
block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3  0x00007f834ec2b4a3 in g_main_context_iteration (context=0x7f8324000c20,
may_block=may_block at entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f835095d602 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f8324000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f83509018ab in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7f8340991be0, flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f835071b2c2 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f835071c45c in QThreadPrivate::start(void*) (arg=0x558c504c0d10) at
thread/qthread_unix.cpp:329
#8  0x00007f8350200609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f835039c293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f834b8ef700 (LWP 15528)):
#0  0x00007f835038faff in __GI___poll (fds=0x7f8344005240, nfds=3, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f834ec2b36e in g_main_context_poll (priority=<optimized out>,
n_fds=3, fds=0x7f8344005240, timeout=<optimized out>, context=0x7f8344000c20)
at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context at entry=0x7f8344000c20,
block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3  0x00007f834ec2b4a3 in g_main_context_iteration (context=0x7f8344000c20,
may_block=may_block at entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f835095d602 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f8344000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f83509018ab in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7f834b8eebb0, flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f835071b2c2 in QThread::exec() (this=this at entry=0x7f8351314d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f8351290f4b in QDBusConnectionManager::run() (this=0x7f8351314d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:179
#8  0x00007f835071c45c in QThreadPrivate::start(void*) (arg=0x7f8351314d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:329
#9  0x00007f8350200609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f835039c293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f82e6c38700 (LWP 16468)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x558c5cbe2ed0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558c5cbe2e80,
cond=0x558c5cbe2ea8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558c5cbe2ea8, mutex=0x558c5cbe2e80) at
pthread_cond_wait.c:647
#3  0x00007f83507225cb in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x558c5cbe2e80) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this at entry=0x558c5cc75e68, mutex=mutex at entry=0x558c5cc75e60,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f835238ec24 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x558c5cc75e58) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore()
(this=this at entry=0x558c5cc75dc0) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f835238f099 in QSGRenderThread::run() (this=0x558c5cc75dc0) at
scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f835071c45c in QThreadPrivate::start(void*) (arg=0x558c5cc75dc0) at
thread/qthread_unix.cpp:329
#9  0x00007f8350200609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f835039c293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f831ffff700 (LWP 16464)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f831fffeb50, clockid=<optimized out>, expected=0,
futex_word=0x7f8320006d44) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f831fffeb50, clockid=<optimized
out>, mutex=0x7f8320006cf0, cond=0x7f8320006d18) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f8320006d18, mutex=0x7f8320006cf0,
abstime=0x7f831fffeb50) at pthread_cond_wait.c:665
#3  0x00007f8350722558 in QWaitConditionPrivate::wait_relative(QDeadlineTimer)
(this=0x7f8320006cf0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=...,
this=0x7f8320006cf0) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this at entry=0x7f8320006f70, mutex=mutex at entry=0x558c50a843b8,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007f835071fa61 in QThreadPoolThread::run() (this=0x7f8320006f60) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f835071c45c in QThreadPrivate::start(void*) (arg=0x7f8320006f60) at
thread/qthread_unix.cpp:329
#8  0x00007f8350200609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f835039c293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f831e7fc700 (LWP 15689)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x558c5240cbb0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558c5240cb60,
cond=0x558c5240cb88) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558c5240cb88, mutex=0x558c5240cb60) at
pthread_cond_wait.c:647
#3  0x00007f83507225cb in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x558c5240cb60) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this at entry=0x558c534bff98, mutex=mutex at entry=0x558c534bff90,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f835238ec24 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x558c534bff88) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore()
(this=this at entry=0x558c534bfef0) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f835238f099 in QSGRenderThread::run() (this=0x558c534bfef0) at
scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f835071c45c in QThreadPrivate::start(void*) (arg=0x558c534bfef0) at
thread/qthread_unix.cpp:329
#9  0x00007f8350200609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f835039c293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f831f7fe700 (LWP 16465)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f831f7fdb50, clockid=<optimized out>, expected=0,
futex_word=0x7f8320033f64) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f831f7fdb50, clockid=<optimized
out>, mutex=0x7f8320033f10, cond=0x7f8320033f38) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f8320033f38, mutex=0x7f8320033f10,
abstime=0x7f831f7fdb50) at pthread_cond_wait.c:665
#3  0x00007f8350722558 in QWaitConditionPrivate::wait_relative(QDeadlineTimer)
(this=0x7f8320033f10, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=...,
this=0x7f8320033f10) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this at entry=0x7f8320004640, mutex=mutex at entry=0x558c50a843b8,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007f835071fa61 in QThreadPoolThread::run() (this=0x7f8320004630) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f835071c45c in QThreadPrivate::start(void*) (arg=0x7f8320004630) at
thread/qthread_unix.cpp:329
#8  0x00007f8350200609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f835039c293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f8300d21700 (LWP 15743)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x558c59bf1594) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558c59bf1540,
cond=0x558c59bf1568) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558c59bf1568, mutex=0x558c59bf1540) at
pthread_cond_wait.c:647
#3  0x00007f83507225cb in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x558c59bf1540) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this at entry=0x558c59b6ad08, mutex=mutex at entry=0x558c59b6ad00,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f835238ec24 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x558c59b6acf8) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore()
(this=this at entry=0x558c59b6ac60) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f835238f099 in QSGRenderThread::run() (this=0x558c59b6ac60) at
scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f835071c45c in QThreadPrivate::start(void*) (arg=0x558c59b6ac60) at
thread/qthread_unix.cpp:329
#9  0x00007f8350200609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f835039c293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f8328eea700 (LWP 16466)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f8328ee9b50, clockid=<optimized out>, expected=0,
futex_word=0x7f8320036bc4) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f8328ee9b50, clockid=<optimized
out>, mutex=0x7f8320036b70, cond=0x7f8320036b98) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f8320036b98, mutex=0x7f8320036b70,
abstime=0x7f8328ee9b50) at pthread_cond_wait.c:665
#3  0x00007f8350722558 in QWaitConditionPrivate::wait_relative(QDeadlineTimer)
(this=0x7f8320036b70, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=...,
this=0x7f8320036b70) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this at entry=0x7f83200352a0, mutex=mutex at entry=0x558c50a843b8,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007f835071fa61 in QThreadPoolThread::run() (this=0x7f8320035290) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f835071c45c in QThreadPrivate::start(void*) (arg=0x7f8320035290) at
thread/qthread_unix.cpp:329
#8  0x00007f8350200609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f835039c293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f831effd700 (LWP 16440)):
#0  0x00007f835039c5ce in epoll_wait (epfd=32,
events=events at entry=0x7f831effc7f0, maxevents=32, timeout=-1) at
../sysdeps/unix/sysv/linux/epoll_wait.c:30
#1  0x00007f832845127b in impl_pollfd_wait (object=<optimized out>,
pfd=<optimized out>, ev=0x7f831effc9a0, n_ev=<optimized out>,
timeout=<optimized out>) at ../spa/plugins/support/system.c:155
#2  0x00007f83284436f4 in loop_iterate (object=0x558c598bc588, timeout=-1) at
../spa/plugins/support/loop.c:316
#3  0x00007f832849e0e0 in do_loop (user_data=0x558c5c953c20) at
../src/pipewire/data-loop.c:80
#4  0x00007f8350200609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#5  0x00007f835039c293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f8329c27700 (LWP 15681)):
#0  0x00007f835038faff in __GI___poll (fds=0x7f8320030580, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f834ec2b36e in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7f8320030580, timeout=<optimized out>, context=0x7f83200457c0)
at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context at entry=0x7f83200457c0,
block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3  0x00007f834ec2b4a3 in g_main_context_iteration (context=0x7f83200457c0,
may_block=may_block at entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f835095d602 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f8320034720, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f83509018ab in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7f8329c26ba0, flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f835071b2c2 in QThread::exec() (this=this at entry=0x558c52351c90) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f83522c93fa in QQuickPixmapReader::run() (this=0x558c52351c90) at
util/qquickpixmapcache.cpp:1024
#8  0x00007f835071c45c in QThreadPrivate::start(void*) (arg=0x558c52351c90) at
thread/qthread_unix.cpp:329
#9  0x00007f8350200609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f835039c293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f8343fff700 (LWP 15567)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x558c4fef5d0c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558c4fef5cb8,
cond=0x558c4fef5ce0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558c4fef5ce0, mutex=0x558c4fef5cb8) at
pthread_cond_wait.c:647
#3  0x00007f834a108b1b in cnd_wait (mtx=0x558c4fef5cb8, cond=0x558c4fef5ce0) at
../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input at entry=0x558c4fef7120) at
../src/util/u_queue.c:294
#5  0x00007f834a10871b in impl_thrd_routine (p=<optimized out>) at
../include/c11/threads_posix.h:87
#6  0x00007f8350200609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007f835039c293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f8348d6b700 (LWP 15566)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x558c4fef5d08) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558c4fef5cb8,
cond=0x558c4fef5ce0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558c4fef5ce0, mutex=0x558c4fef5cb8) at
pthread_cond_wait.c:647
#3  0x00007f834a108b1b in cnd_wait (mtx=0x558c4fef5cb8, cond=0x558c4fef5ce0) at
../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input at entry=0x558c4fef70e0) at
../src/util/u_queue.c:294
#5  0x00007f834a10871b in impl_thrd_routine (p=<optimized out>) at
../include/c11/threads_posix.h:87
#6  0x00007f8350200609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007f835039c293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f834956c700 (LWP 15565)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x558c4fef5d08) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558c4fef5cb8,
cond=0x558c4fef5ce0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558c4fef5ce0, mutex=0x558c4fef5cb8) at
pthread_cond_wait.c:647
#3  0x00007f834a108b1b in cnd_wait (mtx=0x558c4fef5cb8, cond=0x558c4fef5ce0) at
../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input at entry=0x558c4fef70a0) at
../src/util/u_queue.c:294
#5  0x00007f834a10871b in impl_thrd_routine (p=<optimized out>) at
../include/c11/threads_posix.h:87
#6  0x00007f8350200609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007f835039c293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f8349d6d700 (LWP 15564)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x558c4fef5d08) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558c4fef5cb8,
cond=0x558c4fef5ce0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558c4fef5ce0, mutex=0x558c4fef5cb8) at
pthread_cond_wait.c:647
#3  0x00007f834a108b1b in cnd_wait (mtx=0x558c4fef5cb8, cond=0x558c4fef5ce0) at
../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input at entry=0x558c4fef6e60) at
../src/util/u_queue.c:294
#5  0x00007f834a10871b in impl_thrd_routine (p=<optimized out>) at
../include/c11/threads_posix.h:87
#6  0x00007f8350200609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007f835039c293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f8341ce9700 (LWP 15643)):
#0  0x00007f835038faff in __GI___poll (fds=0x7f8330004e60, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f834ec2b36e in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7f8330004e60, timeout=<optimized out>, context=0x7f8330000c20)
at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context at entry=0x7f8330000c20,
block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3  0x00007f834ec2b4a3 in g_main_context_iteration (context=0x7f8330000c20,
may_block=may_block at entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f835095d602 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f8330000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f83509018ab in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7f8341ce8bc0, flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f835071b2c2 in QThread::exec() (this=this at entry=0x558c501109a0) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f8351f2f549 in QQmlThreadPrivate::run() (this=0x558c501109a0) at
qml/ftw/qqmlthread.cpp:155
#8  0x00007f835071c45c in QThreadPrivate::start(void*) (arg=0x558c501109a0) at
thread/qthread_unix.cpp:329
#9  0x00007f8350200609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f835039c293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f834c4e64c0 (LWP 15498)):
[KCrash Handler]
#3  0x00007f83523ee120 in QEvent::isAccepted() const (this=<optimized out>) at
items/qquickwindow.cpp:3210
#4  QQuickWindowPrivate::sendFilteredPointerEventImpl(QQuickPointerEvent*,
QQuickItem*, QQuickItem*) (this=0x558c50679e50, event=0x558c53647960,
receiver=0x558c5cc05490, filteringParent=<optimized out>) at
items/qquickwindow.cpp:3211
#5  0x00007f83523ee055 in
QQuickWindowPrivate::sendFilteredPointerEventImpl(QQuickPointerEvent*,
QQuickItem*, QQuickItem*) (this=0x558c50679e50, event=<optimized out>,
receiver=<optimized out>, filteringParent=<optimized out>) at
items/qquickwindow.cpp:3314
#6  0x00007f83523ee055 in
QQuickWindowPrivate::sendFilteredPointerEventImpl(QQuickPointerEvent*,
QQuickItem*, QQuickItem*) (this=0x558c50679e50, event=<optimized out>,
receiver=<optimized out>, filteringParent=<optimized out>) at
items/qquickwindow.cpp:3314
#7  0x00007f83523ee055 in
QQuickWindowPrivate::sendFilteredPointerEventImpl(QQuickPointerEvent*,
QQuickItem*, QQuickItem*) (this=0x558c50679e50, event=<optimized out>,
receiver=<optimized out>, filteringParent=<optimized out>) at
items/qquickwindow.cpp:3314
#8  0x00007f83523f4e17 in
QQuickWindowPrivate::deliverMouseEvent(QQuickPointerMouseEvent*)
(this=this at entry=0x558c50679e50, pointerEvent=0x558c53647960) at
items/qquickwindow.cpp:2002
#9  0x00007f83523f663f in
QQuickWindowPrivate::deliverPointerEvent(QQuickPointerEvent*)
(this=this at entry=0x558c50679e50, event=0x558c53647960) at
items/qquickwindow.cpp:2611
#10 0x00007f83523f7569 in QQuickWindowPrivate::handleMouseEvent(QMouseEvent*)
(event=0x7ffc5c0cbac0, this=0x558c50679e50) at items/qquickwindow.cpp:2456
#11 QQuickWindowPrivate::handleMouseEvent(QMouseEvent*) (this=0x558c50679e50,
event=0x7ffc5c0cbac0) at items/qquickwindow.cpp:2409
#12 0x00007f8350cf3e0d in QWindow::event(QEvent*)
(this=this at entry=0x558c50782910, ev=ev at entry=0x7ffc5c0cbac0) at
kernel/qwindow.cpp:2438
#13 0x00007f83523f8fdb in QQuickWindow::event(QEvent*)
(this=this at entry=0x558c50782910, e=e at entry=0x7ffc5c0cbac0) at
items/qquickwindow.cpp:1901
#14 0x00007f8352cf86b3 in PlasmaQuick::Dialog::event(QEvent*)
(this=0x558c50782910, event=0x7ffc5c0cbac0) at
./src/plasmaquick/dialog.cpp:1387
#15 0x00007f8351615dc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=this at entry=0x558c4fd59ad0, receiver=receiver at entry=0x558c50782910,
e=e at entry=0x7ffc5c0cbac0) at kernel/qapplication.cpp:3632
#16 0x00007f835161ebb8 in QApplication::notify(QObject*, QEvent*)
(this=0x7ffc5c0cbf80, receiver=0x558c50782910, e=0x7ffc5c0cbac0) at
kernel/qapplication.cpp:3156
#17 0x00007f8350902daa in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x558c50782910, event=0x7ffc5c0cbac0) at
../../include/QtCore/5.15.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#18 0x00007f8350ce84d8 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() at kernel/qguiapplication.cpp:2282
#19 0x00007f8350ce9b45 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
(e=0x558c5fc79a00) at kernel/qguiapplication.cpp:2002
#20 0x00007f8350cc17ac in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(flags=...) at kernel/qwindowsysteminterface.cpp:1169
#21 0x00007f834e7cd624 in userEventSourceDispatch(_GSource*, int (*)(void*),
void*) () at /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#22 0x00007f834ec2b17d in g_main_dispatch (context=0x558c4fd7a9e0) at
../../../glib/gmain.c:3309
#23 g_main_context_dispatch (context=context at entry=0x558c4fd7a9e0) at
../../../glib/gmain.c:3974
#24 0x00007f834ec2b400 in g_main_context_iterate
(context=context at entry=0x558c4fd7a9e0, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at ../../../glib/gmain.c:4047
#25 0x00007f834ec2b4a3 in g_main_context_iteration (context=0x558c4fd7a9e0,
may_block=may_block at entry=1) at ../../../glib/gmain.c:4108
#26 0x00007f835095d602 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x558c4fd786d0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#27 0x00007f83509018ab in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7ffc5c0cbe60, flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#28 0x00007f8350909a64 in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#29 0x0000558c4dcefdd5 in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at ./shell/main.cpp:238

Possible duplicates by query: bug 439875, bug 434868, bug 418245, bug 417947,
bug 417526.

Reported using DrKonqi
This report was filed against 'kde' because the product 'plasmashell' could not
be located in Bugzilla. Add it to drkonqi's mappings file!

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