https://bugs.kde.org/show_bug.cgi?id=435370

            Bug ID: 435370
           Summary: Plasma crashed when dragging a Konsole split window to
                    another tab
           Product: plasmashell
           Version: 5.21.3
          Platform: Neon Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: jay@tuckey.email
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.21.3)

Qt Version: 5.15.2
Frameworks Version: 5.80.0
Operating System: Linux 5.8.0-48-generic x86_64
Windowing System: Wayland
Drkonqi Version: 5.21.3
Distribution: KDE neon User Edition 5.21

-- Information about the crash:
- What I was doing when the application crashed:
* Opened several split terminals in Konsole
* Opened a new tab, and went to drag one of the konsole sessions to the new tab

Notes:
* I think I dragged the tab over a different app icon in the taskbar (firefox I
think), which made the view switch to that app. I think moused-over konsole
again which swapped back to that. I dropped the session into the konsole tab,
and then plasma crashed.

The reporter is unsure if this crash is reproducible.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault

[New LWP 4210]
[New LWP 4252]
[New LWP 4253]
[New LWP 4254]
[New LWP 4255]
[New LWP 4323]
[New LWP 4347]
[New LWP 4349]
[New LWP 4460]
[New LWP 4479]
[New LWP 4522]
[New LWP 4727]
[New LWP 7272]
[New LWP 7352]
[New LWP 7353]
[New LWP 7355]
[New LWP 7356]
[New LWP 7357]
[New LWP 7359]
[New LWP 7360]
[New LWP 7361]
[New LWP 7362]
[New LWP 7363]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f618c9dbaff in __GI___poll (fds=0x7ffc6e5002e8, nfds=1, timeout=1000) at
../sysdeps/unix/sysv/linux/poll.c:29
[Current thread is 1 (Thread 0x7f6188c228c0 (LWP 4181))]

Thread 24 (Thread 0x7f60edffb700 (LWP 7363)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f61280256c4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f6128025670,
cond=0x7f6128025698) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f6128025698, mutex=0x7f6128025670) at
pthread_cond_wait.c:638
#3  0x00007f618cd6ed5b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f615a9a1f40 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f615a9a5c1e in  () at /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f615a9a1102 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f615a9a3b93 in ThreadWeaver::Thread::run() () at
/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f618cd68bec in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f60ee7fc700 (LWP 7362)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f61280256c4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f6128025670,
cond=0x7f6128025698) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f6128025698, mutex=0x7f6128025670) at
pthread_cond_wait.c:638
#3  0x00007f618cd6ed5b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f615a9a1f40 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f615a9a5c1e in  () at /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f615a9a1102 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f615a9a3b93 in ThreadWeaver::Thread::run() () at
/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f618cd68bec in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f60eeffd700 (LWP 7361)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f61280256c4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f6128025670,
cond=0x7f6128025698) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f6128025698, mutex=0x7f6128025670) at
pthread_cond_wait.c:638
#3  0x00007f618cd6ed5b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f615a9a1f40 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f615a9a5c1e in  () at /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f615a9a1102 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f615a9a3b93 in ThreadWeaver::Thread::run() () at
/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f618cd68bec in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f60ef7fe700 (LWP 7360)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f61280256c4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f6128025670,
cond=0x7f6128025698) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f6128025698, mutex=0x7f6128025670) at
pthread_cond_wait.c:638
#3  0x00007f618cd6ed5b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f615a9a1f40 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f615a9a5c1e in  () at /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f615a9a1102 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f615a9a3b93 in ThreadWeaver::Thread::run() () at
/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f618cd68bec in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f60effff700 (LWP 7359)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f61280256c4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f6128025670,
cond=0x7f6128025698) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f6128025698, mutex=0x7f6128025670) at
pthread_cond_wait.c:638
#3  0x00007f618cd6ed5b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f615a9a1f40 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f615a9a5c1e in  () at /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f615a9a1102 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f615a9a3b93 in ThreadWeaver::Thread::run() () at
/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f618cd68bec in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f6104a0c700 (LWP 7357)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f61280256c4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f6128025670,
cond=0x7f6128025698) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f6128025698, mutex=0x7f6128025670) at
pthread_cond_wait.c:638
#3  0x00007f618cd6ed5b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f615a9a1f40 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f615a9a5c1e in  () at /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f615a9a1102 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f615a9a3b93 in ThreadWeaver::Thread::run() () at
/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f618cd68bec in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f610520d700 (LWP 7356)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f61280256c4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f6128025670,
cond=0x7f6128025698) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f6128025698, mutex=0x7f6128025670) at
pthread_cond_wait.c:638
#3  0x00007f618cd6ed5b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f615a9a1f40 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f615a9a5c1e in  () at /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f615a9a1102 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f615a9a3b93 in ThreadWeaver::Thread::run() () at
/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f618cd68bec in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f6105a0e700 (LWP 7355)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f61280256c4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f6128025670,
cond=0x7f6128025698) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f6128025698, mutex=0x7f6128025670) at
pthread_cond_wait.c:638
#3  0x00007f618cd6ed5b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f615a9a1f40 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f615a9a5c1e in  () at /lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f615a9a1102 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f615a9a3b93 in ThreadWeaver::Thread::run() () at
/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f618cd68bec in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f610703c700 (LWP 7353)):
#0  0x00007f618b29b508 in g_mutex_unlock () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f618b24d437 in g_main_context_acquire () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f618b24e225 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f618b24e6f3 in g_main_loop_run () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f615b26df8a in  () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007f618b277ad1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f610783d700 (LWP 7352)):
#0  0x00007f618c9dbaff in __GI___poll (fds=0x55a7260ed440, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f618b24e36e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f618b24e4a3 in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f618b24e4f1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f618b277ad1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f6148c28700 (LWP 7272)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55a7259de460) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55a7259de410,
cond=0x55a7259de438) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55a7259de438, mutex=0x55a7259de410) at
pthread_cond_wait.c:638
#3  0x00007f618cd6ed5b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f618eb09814 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f618eb09c89 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f618cd68bec in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f6131f8d700 (LWP 4727)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55a724c70184) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55a724c70130,
cond=0x55a724c70158) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55a724c70158, mutex=0x55a724c70130) at
pthread_cond_wait.c:638
#3  0x00007f618cd6ed5b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f618eb09814 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f618eb09c89 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f618cd68bec in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f61335ef700 (LWP 4522)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55a7258e5c34) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55a7258e5be0,
cond=0x55a7258e5c08) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55a7258e5c08, mutex=0x55a7258e5be0) at
pthread_cond_wait.c:638
#3  0x00007f618cd6ed5b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f618eb09814 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f618eb09c89 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f618cd68bec in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f614b51f700 (LWP 4479)):
#0  0x00007f618c9dbaff in __GI___poll (fds=0x7f6144006930, nfds=1,
timeout=53125) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f618b24e36e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f618b24e4a3 in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f618cfa8ffb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f618cf4d1eb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f618cd67a52 in QThread::exec() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f614ba1707c in KCupsConnection::run() () at
/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007f618cd68bec in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f615a116700 (LWP 4460)):
#0  __GI___libc_read (nbytes=16, buf=0x7f615a115ad0, fd=19) at
../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=19, buf=0x7f615a115ad0, nbytes=16) at
../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f618b296b2f in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f618b24debe in g_main_context_check () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f618b24e312 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f618b24e4a3 in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f618cfa8ffb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f618cf4d1eb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f618cd67a52 in QThread::exec() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f618cd68bec in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f6162a01700 (LWP 4349)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f6154007a24) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f61540079d0,
cond=0x7f61540079f8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f61540079f8, mutex=0x7f61540079d0) at
pthread_cond_wait.c:638
#3  0x00007f618cd6ed5b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f618eb09814 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f618eb09c89 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f618cd68bec in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f61621d9700 (LWP 4347)):
#0  0x00007f618c9dbaff in __GI___poll (fds=0x7f6154003870, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f618b24e36e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f618b24e4a3 in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f618cfa8ffb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f618cf4d1eb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f618cd67a52 in QThread::exec() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f618ea4438a in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f618cd68bec in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f6179e4a700 (LWP 4323)):
#0  0x00007f618c9dbaff in __GI___poll (fds=0x7f6168004e60, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f618b24e36e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f618b24e4a3 in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f618cfa8ffb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f618cf4d1eb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f618cd67a52 in QThread::exec() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f618e640fa9 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f618cd68bec in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f617b05b700 (LWP 4255)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55a72362e3b8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55a72362e368,
cond=0x55a72362e390) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55a72362e390, mutex=0x55a72362e368) at
pthread_cond_wait.c:638
#3  0x00007f6186290b5b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f618629075b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f6184b6a700 (LWP 4254)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55a72362e3b8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55a72362e368,
cond=0x55a72362e390) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55a72362e390, mutex=0x55a72362e368) at
pthread_cond_wait.c:638
#3  0x00007f6186290b5b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f618629075b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f618536b700 (LWP 4253)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55a72362e3b8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55a72362e368,
cond=0x55a72362e390) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55a72362e390, mutex=0x55a72362e368) at
pthread_cond_wait.c:638
#3  0x00007f6186290b5b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f618629075b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f6185b6c700 (LWP 4252)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55a72362e3b8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55a72362e368,
cond=0x55a72362e390) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55a72362e390, mutex=0x55a72362e368) at
pthread_cond_wait.c:638
#3  0x00007f6186290b5b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f618629075b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f6188062700 (LWP 4210)):
#0  0x00007f618cfa8874 in QElapsedTimer::clockType() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f618cfa888d in QElapsedTimer::isMonotonic() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f618cfa76d3 in QTimerInfoList::repairTimersIfNeeded() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f618cfa7747 in QTimerInfoList::timerWait(timespec&) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f618cfa8d56 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f618b24d8ef in g_main_context_prepare () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f618b24e29b in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f618b24e4a3 in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f618cfa8ffb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f618cf4d1eb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f618cd67a52 in QThread::exec() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f618d8d0f4b in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#12 0x00007f618cd68bec in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f618bdbf609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#14 0x00007f618c9e8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f6188c228c0 (LWP 4181)):
[KCrash Handler]
#4  0x0000000000000000 in  ()
#5  0x00007f616199ecb1 in DeclarativeMimeData::DeclarativeMimeData(QMimeData
const*) (this=0x55a7239982e0, copy=0x7f61800f21b0) at
./src/qmlcontrols/draganddrop/DeclarativeMimeData.cpp:40
#6  0x00007f616199e510 in DeclarativeDragDropEvent::mimeData()
(this=0x7ffc6e502c10) at /usr/include/x86_64-linux-gnu/qt5/QtGui/qevent.h:667
#7  0x00007f6161998c65 in
DeclarativeDragDropEvent::qt_static_metacall(QObject*, QMetaObject::Call, int,
void**) (_c=QMetaObject::ReadProperty, _a=<optimized out>, _id=<optimized out>,
_o=<optimized out>) at
./obj-x86_64-linux-gnu/src/qmlcontrols/draganddrop/draganddropplugin_autogen/EWIEGA46WW/moc_DeclarativeDragDropEvent.cpp:121
#8  DeclarativeDragDropEvent::qt_static_metacall(QObject*, QMetaObject::Call,
int, void**) (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>,
_a=<optimized out>) at
./obj-x86_64-linux-gnu/src/qmlcontrols/draganddrop/draganddropplugin_autogen/EWIEGA46WW/moc_DeclarativeDragDropEvent.cpp:93
#9  0x00007f618e49aa52 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f618e4bcb07 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f618e4c202f in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f618e44f24d in QV4::Function::call(QV4::Value const*, QV4::Value
const*, int, QV4::ExecutionContext const*) () at
/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f618e5f4fa7 in QQmlJavaScriptExpression::evaluate(QV4::CallData*,
bool*) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007f618e5988ae in QQmlBoundSignalExpression::evaluate(void**) () at
/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f618e599948 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f618e5d464d in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007f618e576fbf in QQmlData::signalEmitted(QAbstractDeclarativeData*,
QObject*, int, void**) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#18 0x00007f618cf85285 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f6161998653 in
DeclarativeDropArea::dragEnter(DeclarativeDragDropEvent*)
(this=this@entry=0x55a724523030, _t1=<optimized out>, _t1@entry=0x7ffc6e502c10)
at
./obj-x86_64-linux-gnu/src/qmlcontrols/draganddrop/draganddropplugin_autogen/EWIEGA46WW/moc_DeclarativeDropArea.cpp:268
#20 0x00007f616199e68b in DeclarativeDropArea::dragEnterEvent(QDragEnterEvent*)
(this=0x55a724523030, event=0x7ffc6e503020) at
./src/qmlcontrols/draganddrop/DeclarativeDropArea.cpp:45
#21 0x00007f618eb555a8 in QQuickItem::event(QEvent*) () at
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007f618dc4adc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f618dc53bb8 in QApplication::notify(QObject*, QEvent*) () at
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f618cf4e6da in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f618eb72b35 in
QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*,
QDragMoveEvent*, QVarLengthArray<QQuickItem*, 64>*) () at
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#26 0x00007f618eb728e2 in
QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*,
QDragMoveEvent*, QVarLengthArray<QQuickItem*, 64>*) () at
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#27 0x00007f618eb728e2 in
QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*,
QDragMoveEvent*, QVarLengthArray<QQuickItem*, 64>*) () at
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#28 0x00007f618eb728e2 in
QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*,
QDragMoveEvent*, QVarLengthArray<QQuickItem*, 64>*) () at
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#29 0x00007f618eb728e2 in
QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*,
QDragMoveEvent*, QVarLengthArray<QQuickItem*, 64>*) () at
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#30 0x00007f618eb728e2 in
QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*,
QDragMoveEvent*, QVarLengthArray<QQuickItem*, 64>*) () at
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#31 0x00007f618eb728e2 in
QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*,
QDragMoveEvent*, QVarLengthArray<QQuickItem*, 64>*) () at
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#32 0x00007f618eb728e2 in
QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*,
QDragMoveEvent*, QVarLengthArray<QQuickItem*, 64>*) () at
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#33 0x00007f618eb728e2 in
QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*,
QDragMoveEvent*, QVarLengthArray<QQuickItem*, 64>*) () at
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#34 0x00007f618eb728e2 in
QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*,
QDragMoveEvent*, QVarLengthArray<QQuickItem*, 64>*) () at
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#35 0x00007f618eb728e2 in
QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*,
QDragMoveEvent*, QVarLengthArray<QQuickItem*, 64>*) () at
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#36 0x00007f618eb73222 in
QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QEvent*) () at
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#37 0x00007f618eb73d5d in QQuickWindow::event(QEvent*) () at
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#38 0x000055a72233aebf in PanelView::event(QEvent*) (this=0x55a723d06500,
e=0x55a723941220) at ./shell/panelview.cpp:989
#39 0x00007f618dc4adc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#40 0x00007f618dc53bb8 in QApplication::notify(QObject*, QEvent*) () at
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#41 0x00007f618cf4e6da in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x00007f618cf50fe1 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#43 0x00007f618cfa9987 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x00007f618b24e17d in g_main_context_dispatch () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#45 0x00007f618b24e400 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007f618b24e4a3 in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007f618cfa8fe2 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#48 0x00007f618cf4d1eb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#49 0x00007f618cf55394 in QCoreApplication::exec() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#50 0x000055a722320e5e in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at ./shell/main.cpp:251
[Inferior 1 (process 4181) detached]

Possible duplicates by query: bug 431565, bug 425666, bug 423559, bug 398440,
bug 396100.

Reported using DrKonqi

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