[dolphin] [Bug 443779] New: Crash when I close GHNS window after closing Dolphin

Patrick Silva bugzilla_noreply at kde.org
Fri Oct 15 13:24:02 BST 2021 

https://bugs.kde.org/show_bug.cgi?id=443779

            Bug ID: 443779
           Summary: Crash when I close GHNS window after closing Dolphin
           Product: dolphin
           Version: unspecified
          Platform: Neon Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: bugseforuns at gmx.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

Application: dolphin (21.11.70)

Qt Version: 5.15.3
Frameworks Version: 5.88.0
Operating System: Linux 5.11.0-37-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:
Sometimes Plasma notifies Dolphin crash after the following steps:
open Dolphin settings, click on "Context menu" in the let side, click on
"Download new services..." button,
close Dolphin, close "Download services" window.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
Content of s_kcrashErrorMessage: std::unique_ptr<char []> = {get() = 0x0}
[New LWP 33499]
[New LWP 33525]
[New LWP 33521]
[New LWP 33520]
[New LWP 33522]
[New LWP 33523]
[New LWP 33524]
[New LWP 33555]
[New LWP 33556]
[New LWP 33557]
[New LWP 33558]
[New LWP 33560]
[New LWP 33561]
[New LWP 33562]
[New LWP 33563]
[New LWP 33564]
[New LWP 33565]
[New LWP 33566]
[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/dolphin'.
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 0x7fa7b37089c0 (LWP 33499))]
__preamble__

[Current thread is 1 (Thread 0x7fa7b37089c0 (LWP 33499))]

Thread 18 (Thread 0x7fa769a61700 (LWP 33566)):
#0  0x00007fa7b8155aff in __GI___poll (fds=0x7fa754003e20, nfds=1,
timeout=135490) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fa7b61e836e in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7fa754003e20, timeout=<optimized out>, context=0x7fa754000c20)
at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context at entry=0x7fa754000c20,
block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3  0x00007fa7b61e84a3 in g_main_context_iteration (context=0x7fa754000c20,
may_block=may_block at entry=1) at ../../../glib/gmain.c:4108
#4  0x00007fa7b87235d2 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fa754000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007fa7b86c787b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7fa769a60be0, flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007fa7b84e1292 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007fa7b84e242c in QThreadPrivate::start(void*) (arg=0x55f409efbe10) at
thread/qthread_unix.cpp:329
#8  0x00007fa7b6c66609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007fa7b8162293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7fa76a262700 (LWP 33565)):
#0  0x00007fa7b8155aff in __GI___poll (fds=0x55f40a8ed7e0, nfds=2, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fa7b61e836e in g_main_context_poll (priority=<optimized out>,
n_fds=2, fds=0x55f40a8ed7e0, timeout=<optimized out>, context=0x55f40a8eb9e0)
at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=0x55f40a8eb9e0, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007fa7b61e86f3 in g_main_loop_run (loop=0x55f40a8ebad0) at
../../../glib/gmain.c:4241
#4  0x00007fa76aec5f8a in gdbus_shared_thread_func (user_data=0x55f40a8eb9b0)
at ../../../gio/gdbusprivate.c:279
#5  0x00007fa7b6211ad1 in g_thread_proxy (data=0x55f40a8c0300) at
../../../glib/gthread.c:807
#6  0x00007fa7b6c66609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007fa7b8162293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fa76aa63700 (LWP 33564)):
#0  0x00007fa7b8155aff in __GI___poll (fds=0x55f40a84efb0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fa7b61e836e in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x55f40a84efb0, timeout=<optimized out>, context=0x55f40a6e0050)
at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context at entry=0x55f40a6e0050,
block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3  0x00007fa7b61e84a3 in g_main_context_iteration (context=0x55f40a6e0050,
may_block=may_block at entry=1) at ../../../glib/gmain.c:4108
#4  0x00007fa7b61e84f1 in glib_worker_main (data=<optimized out>) at
../../../glib/gmain.c:5996
#5  0x00007fa7b6211ad1 in g_thread_proxy (data=0x55f408eb5860) at
../../../glib/gthread.c:807
#6  0x00007fa7b6c66609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007fa7b8162293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fa76bd08700 (LWP 33563)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55f40a24c250) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f40a24c200,
cond=0x55f40a24c228) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f40a24c228, mutex=0x55f40a24c200) at
pthread_cond_wait.c:647
#3  0x00007fa7b84e859b in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55f40a24c200) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this at entry=0x55f40a377e68, mutex=mutex at entry=0x55f40a377e60,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fa7b7830b44 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x55f40a377e58) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore()
(this=this at entry=0x55f40a377dc0) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007fa7b7830fb9 in QSGRenderThread::run() (this=0x55f40a377dc0) at
scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007fa7b84e242c in QThreadPrivate::start(void*) (arg=0x55f40a377dc0) at
thread/qthread_unix.cpp:329
#9  0x00007fa7b6c66609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007fa7b8162293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7fa77affd700 (LWP 33562)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7fa77affcb50, clockid=<optimized out>, expected=0,
futex_word=0x7fa76c006110) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fa77affcb50, clockid=<optimized
out>, mutex=0x7fa76c0060c0, cond=0x7fa76c0060e8) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7fa76c0060e8, mutex=0x7fa76c0060c0,
abstime=0x7fa77affcb50) at pthread_cond_wait.c:665
#3  0x00007fa7b84e8528 in QWaitConditionPrivate::wait_relative(QDeadlineTimer)
(this=0x7fa76c0060c0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=...,
this=0x7fa76c0060c0) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this at entry=0x7fa76c005e30, mutex=mutex at entry=0x7fa76c005ac8,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007fa7b84e5a31 in QThreadPoolThread::run() (this=0x7fa76c005e20) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007fa7b84e242c in QThreadPrivate::start(void*) (arg=0x7fa76c005e20) at
thread/qthread_unix.cpp:329
#8  0x00007fa7b6c66609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007fa7b8162293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fa77b7fe700 (LWP 33561)):
#0  0x00007fa7b8155aff in __GI___poll (fds=0x7fa76c004a60, nfds=1,
timeout=133874) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fa7b61e836e in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7fa76c004a60, timeout=<optimized out>, context=0x7fa76c000c20)
at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context at entry=0x7fa76c000c20,
block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3  0x00007fa7b61e84a3 in g_main_context_iteration (context=0x7fa76c000c20,
may_block=may_block at entry=1) at ../../../glib/gmain.c:4108
#4  0x00007fa7b87235eb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fa76c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fa7b86c787b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7fa77b7fdbe0, flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007fa7b84e1292 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007fa7b84e242c in QThreadPrivate::start(void*) (arg=0x55f40a376c70) at
thread/qthread_unix.cpp:329
#8  0x00007fa7b6c66609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007fa7b8162293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fa77bfff700 (LWP 33560)):
#0  0x00007fa7b8155aff in __GI___poll (fds=0x7fa774004a30, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fa7b61e836e in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7fa774004a30, timeout=<optimized out>, context=0x7fa774000c20)
at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context at entry=0x7fa774000c20,
block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3  0x00007fa7b61e84a3 in g_main_context_iteration (context=0x7fa774000c20,
may_block=may_block at entry=1) at ../../../glib/gmain.c:4108
#4  0x00007fa7b87235d2 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fa774000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007fa7b86c787b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7fa77bffebe0, flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007fa7b84e1292 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007fa7b84e242c in QThreadPrivate::start(void*) (arg=0x55f409c064c0) at
thread/qthread_unix.cpp:329
#8  0x00007fa7b6c66609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007fa7b8162293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fa79a7fc700 (LWP 33558)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7fa79a7fbb50, clockid=<optimized out>, expected=0,
futex_word=0x55f4098d9450) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fa79a7fbb50, clockid=<optimized
out>, mutex=0x55f4098d9400, cond=0x55f4098d9428) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55f4098d9428, mutex=0x55f4098d9400,
abstime=0x7fa79a7fbb50) at pthread_cond_wait.c:665
#3  0x00007fa7b84e8528 in QWaitConditionPrivate::wait_relative(QDeadlineTimer)
(this=0x55f4098d9400, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=...,
this=0x55f4098d9400) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this at entry=0x55f4098d67f0, mutex=mutex at entry=0x55f408fc79c8,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007fa7b84e5a31 in QThreadPoolThread::run() (this=0x55f4098d67e0) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007fa7b84e242c in QThreadPrivate::start(void*) (arg=0x55f4098d67e0) at
thread/qthread_unix.cpp:329
#8  0x00007fa7b6c66609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007fa7b8162293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fa79affd700 (LWP 33557)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7fa79affcb50, clockid=<optimized out>, expected=0,
futex_word=0x55f408f83e50) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fa79affcb50, clockid=<optimized
out>, mutex=0x55f408f83e00, cond=0x55f408f83e28) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55f408f83e28, mutex=0x55f408f83e00,
abstime=0x7fa79affcb50) at pthread_cond_wait.c:665
#3  0x00007fa7b84e8528 in QWaitConditionPrivate::wait_relative(QDeadlineTimer)
(this=0x55f408f83e00, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=...,
this=0x55f408f83e00) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this at entry=0x55f4098c9ba0, mutex=mutex at entry=0x55f408fc79c8,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007fa7b84e5a31 in QThreadPoolThread::run() (this=0x55f4098c9b90) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007fa7b84e242c in QThreadPrivate::start(void*) (arg=0x55f4098c9b90) at
thread/qthread_unix.cpp:329
#8  0x00007fa7b6c66609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007fa7b8162293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fa79b7fe700 (LWP 33556)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7fa79b7fdb50, clockid=<optimized out>, expected=0,
futex_word=0x55f4098ca3b0) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fa79b7fdb50, clockid=<optimized
out>, mutex=0x55f4098ca360, cond=0x55f4098ca388) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55f4098ca388, mutex=0x55f4098ca360,
abstime=0x7fa79b7fdb50) at pthread_cond_wait.c:665
#3  0x00007fa7b84e8528 in QWaitConditionPrivate::wait_relative(QDeadlineTimer)
(this=0x55f4098ca360, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=...,
this=0x55f4098ca360) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this at entry=0x55f4098243d0, mutex=mutex at entry=0x55f408fc79c8,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007fa7b84e5a31 in QThreadPoolThread::run() (this=0x55f4098243c0) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007fa7b84e242c in QThreadPrivate::start(void*) (arg=0x55f4098243c0) at
thread/qthread_unix.cpp:329
#8  0x00007fa7b6c66609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007fa7b8162293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fa7a892d700 (LWP 33555)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7fa7a892cb50, clockid=<optimized out>, expected=0,
futex_word=0x55f4098cac70) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fa7a892cb50, clockid=<optimized
out>, mutex=0x55f4098cac20, cond=0x55f4098cac48) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55f4098cac48, mutex=0x55f4098cac20,
abstime=0x7fa7a892cb50) at pthread_cond_wait.c:665
#3  0x00007fa7b84e8528 in QWaitConditionPrivate::wait_relative(QDeadlineTimer)
(this=0x55f4098cac20, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=...,
this=0x55f4098cac20) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this at entry=0x55f4092ee360, mutex=mutex at entry=0x55f408fc79c8,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007fa7b84e5a31 in QThreadPoolThread::run() (this=0x55f4092ee350) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007fa7b84e242c in QThreadPrivate::start(void*) (arg=0x55f4092ee350) at
thread/qthread_unix.cpp:329
#8  0x00007fa7b6c66609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007fa7b8162293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fa7aae5e700 (LWP 33524)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55f4092334b8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f409233468,
cond=0x55f409233490) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f409233490, mutex=0x55f409233468) at
pthread_cond_wait.c:647
#3  0x00007fa7b01cea4b in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fa7b01ce64b in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fa7b6c66609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007fa7b8162293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fa79bfff700 (LWP 33523)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55f4092334b8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f409233468,
cond=0x55f409233490) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f409233490, mutex=0x55f409233468) at
pthread_cond_wait.c:647
#3  0x00007fa7b01cea4b in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fa7b01ce64b in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fa7b6c66609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007fa7b8162293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fa7ab65f700 (LWP 33522)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55f4092334b8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f409233468,
cond=0x55f409233490) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f409233490, mutex=0x55f409233468) at
pthread_cond_wait.c:647
#3  0x00007fa7b01cea4b in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fa7b01ce64b in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fa7b6c66609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007fa7b8162293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fa7b30f8700 (LWP 33520)):
#0  0x00007fa7b8155aff in __GI___poll (fds=0x7fa7ac005240, nfds=3, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fa7b61e836e in g_main_context_poll (priority=<optimized out>,
n_fds=3, fds=0x7fa7ac005240, timeout=<optimized out>, context=0x7fa7ac000c20)
at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context at entry=0x7fa7ac000c20,
block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3  0x00007fa7b61e84a3 in g_main_context_iteration (context=0x7fa7ac000c20,
may_block=may_block at entry=1) at ../../../glib/gmain.c:4108
#4  0x00007fa7b87235d2 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fa7ac000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007fa7b86c787b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7fa7b30f7bb0, flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007fa7b84e1292 in QThread::exec() (this=this at entry=0x7fa7b97fcd80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007fa7b9778f4b in QDBusConnectionManager::run() (this=0x7fa7b97fcd80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:179
#8  0x00007fa7b84e242c in QThreadPrivate::start(void*) (arg=0x7fa7b97fcd80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:329
#9  0x00007fa7b6c66609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007fa7b8162293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fa7abe60700 (LWP 33521)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55f4092334b8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f409233468,
cond=0x55f409233490) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f409233490, mutex=0x55f409233468) at
pthread_cond_wait.c:647
#3  0x00007fa7b01cea4b in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fa7b01ce64b in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fa7b6c66609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007fa7b8162293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fa7aa5df700 (LWP 33525)):
#0  0x00007fa7b8155aff in __GI___poll (fds=0x7fa78c004e60, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fa7b61e836e in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7fa78c004e60, timeout=<optimized out>, context=0x7fa78c000c20)
at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context at entry=0x7fa78c000c20,
block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3  0x00007fa7b61e84a3 in g_main_context_iteration (context=0x7fa78c000c20,
may_block=may_block at entry=1) at ../../../glib/gmain.c:4108
#4  0x00007fa7b87235d2 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fa78c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007fa7b86c787b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7fa7aa5debe0, flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007fa7b84e1292 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007fa7b84e242c in QThreadPrivate::start(void*) (arg=0x55f4094c2640) at
thread/qthread_unix.cpp:329
#8  0x00007fa7b6c66609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007fa7b8162293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fa7b37089c0 (LWP 33499)):
[KCrash Handler]
#3  0x00007fa7ba684354 in
QList<KNSCore::EntryInternal>::QList(QList<KNSCore::EntryInternal> const&)
(this=0x7fff0502c1f0, l=...) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:853
#4  0x00007fa7ba6840a6 in KNS3::QtQuickDialogWrapper::exec()
(this=0x55f409d1b300) at /usr/include/c++/9/bits/unique_ptr.h:360
#5  0x00007fa7ba663d05 in KNS3::Button::showDialog() (this=0x55f409aa7b30) at
/usr/include/c++/9/bits/atomic_base.h:413
#6  KNS3::Button::showDialog() (this=0x55f409aa7b30) at ./src/button.cpp:75
#7  0x00007fa7b86ffd9e in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7fff0502c340, r=0x55f409aa7b30, this=0x55f409aa84e0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#8  doActivate<false>(QObject*, int, void**) (sender=0x55f409aa7b30,
signal_index=9, argv=0x7fff0502c340) at kernel/qobject.cpp:3886
#9  0x00007fa7b86f9167 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender at entry=0x55f409aa7b30, m=m at entry=0x7fa7b96bb600
<QAbstractButton::staticMetaObject>,
local_signal_index=local_signal_index at entry=2, argv=argv at entry=0x7fff0502c340)
at kernel/qobject.cpp:3946
#10 0x00007fa7b929cc66 in QAbstractButton::clicked(bool)
(this=this at entry=0x55f409aa7b30, _t1=<optimized out>) at
.moc/moc_qabstractbutton.cpp:308
#11 0x00007fa7b929ce8e in QAbstractButtonPrivate::emitClicked()
(this=0x55f409aa7de0) at widgets/qabstractbutton.cpp:415
#12 0x00007fa7b929e363 in QAbstractButtonPrivate::click() (this=0x55f409aa7de0)
at widgets/qabstractbutton.cpp:408
#13 0x00007fa7b929e525 in QAbstractButton::mouseReleaseEvent(QMouseEvent*)
(this=0x55f409aa7b30, e=0x7fff0502c900) at widgets/qabstractbutton.cpp:1044
#14 0x00007fa7b91e7cf6 in QWidget::event(QEvent*) (this=0x55f409aa7b30,
event=0x7fff0502c900) at kernel/qwidget.cpp:8664
#15 0x00007fa7b929f753 in QAbstractButton::event(QEvent*)
(this=this at entry=0x55f409aa7b30, e=e at entry=0x7fff0502c900) at
widgets/qabstractbutton.cpp:1001
#16 0x00007fa7b9342d43 in QPushButton::event(QEvent*) (this=0x55f409aa7b30,
e=0x7fff0502c900) at widgets/qpushbutton.cpp:709
#17 0x00007fa7b91a4dc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=<optimized out>, receiver=0x55f409aa7b30, e=0x7fff0502c900) at
kernel/qapplication.cpp:3632
#18 0x00007fa7b91ade77 in QApplication::notify(QObject*, QEvent*) () at
kernel/qapplication.cpp:3076
#19 0x00007fa7b86c8d7a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x55f409aa7b30, event=0x7fff0502c900) at
../../include/QtCore/5.15.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#20 0x00007fa7b91ad0a7 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool)
(receiver=receiver at entry=0x55f409aa7b30, event=event at entry=0x7fff0502c900,
alienWidget=alienWidget at entry=0x55f409aa7b30, nativeWidget=0x55f4099b14f0,
buttonDown=<optimized out>, lastMouseReceiver=..., spontaneous=true,
onlyDispatchEnterLeave=false) at kernel/qapplication.cpp:2614
#21 0x00007fa7b9202f44 in QWidgetWindow::handleMouseEvent(QMouseEvent*)
(this=0x55f409b0b2c0, event=0x7fff0502cd80) at
/usr/include/c++/9/bits/atomic_base.h:413
#22 0x00007fa7b9206264 in QWidgetWindow::event(QEvent*) (event=0x7fff0502cd80,
this=0x55f409b0b2c0) at kernel/qwidgetwindow.cpp:300
#23 QWidgetWindow::event(QEvent*) (this=0x55f409b0b2c0, event=0x7fff0502cd80)
at kernel/qwidgetwindow.cpp:239
#24 0x00007fa7b91a4dc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=<optimized out>, receiver=0x55f409b0b2c0, e=0x7fff0502cd80) at
kernel/qapplication.cpp:3632
#25 0x00007fa7b91adbb8 in QApplication::notify(QObject*, QEvent*) () at
kernel/qapplication.cpp:3156
#26 0x00007fa7b86c8d7a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x55f409b0b2c0, event=0x7fff0502cd80) at
../../include/QtCore/5.15.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#27 0x00007fa7b8aae4d8 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() at kernel/qguiapplication.cpp:2282
#28 0x00007fa7b8aafb45 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
(e=0x55f409c82410) at kernel/qguiapplication.cpp:2002
#29 0x00007fa7b8a877ac in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(flags=...) at kernel/qwindowsysteminterface.cpp:1169
#30 0x00007fa7b5fe0564 in userEventSourceDispatch(_GSource*, int (*)(void*),
void*) () at /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#31 0x00007fa7b61e817d in g_main_dispatch (context=0x55f408eec2a0) at
../../../glib/gmain.c:3309
#32 g_main_context_dispatch (context=context at entry=0x55f408eec2a0) at
../../../glib/gmain.c:3974
#33 0x00007fa7b61e8400 in g_main_context_iterate
(context=context at entry=0x55f408eec2a0, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at ../../../glib/gmain.c:4047
#34 0x00007fa7b61e84a3 in g_main_context_iteration (context=0x55f408eec2a0,
may_block=may_block at entry=1) at ../../../glib/gmain.c:4108
#35 0x00007fa7b87235d2 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x55f408ee1400, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#36 0x00007fa7b86c787b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7fff0502d120, flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#37 0x00007fa7b86cfa34 in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#38 0x000055f4070c61e3 in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at ./src/main.cpp:230

Possible duplicates by query: bug 443540, bug 443012, bug 442552, bug 442332,
bug 441620.

Reported using DrKonqi

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