343528 – Crash when moving an application to an other desktop

Bug 343528 - Crash when moving an application to an other desktop

Summary: Crash when moving an application to an other desktop

Status:	RESOLVED FIXED

Alias:	None

Product:	plasmashell
Classification:	Plasma
Component:	Task Manager and Icons-Only Task Manager (show other bugs)
Version:	master
Platform:	Arch Linux Linux

Importance:	NOR crash
Target Milestone:	1.0
Assignee:	Eike Hein

URL:
Keywords:	drkonqi

Depends on:
Blocks:

Reported:	2015-01-29 14:44 UTC by Mayeul C.
Modified:	2015-04-21 18:31 UTC (History)
CC List:	1 user (show)

See Also:
Latest Commit:	http://commits.kde.org/plasma-desktop/1c38100f391d7379576838895535317de597bd71
Version Fixed In:
Sentry Crash Report:

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Description Mayeul C. 2015-01-29 14:44:25 UTC

Application: plasmashell ()

Qt Version: 5.4.0
Operating System: Linux 3.18.4-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
Always reproducible : 

- Grab a window from the taskmanager, and drag it on the virtual desktop selector.
- Wait until the workspace switches to the desired desktop
- Move your mouse, as if you wanted to place the application on this desktop's task manager
- Plasmashell crashes

This may be related to some personnal settings : 

- Cube desktop animation, 2x2 desktop grid
- Task manager configured to show only tasks of the current desktop

This may not be related : 

- Theme : breeze dark

Sorry for the '??' everywhere in the backtrace. Unfortunately, ArchLinux does not provide an
easy mean to install kf5 with debug symbols.

The crash can be reproduced every time.

-- Backtrace:
Application: plasmashell (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9102cd97c0 (LWP 18199))]

Thread 29 (Thread 0x7f91011a5700 (LWP 18202)):
#0  0x00007f9110a2544d in poll () from /usr/lib/libc.so.6
#1  0x00007f91148969f2 in ?? () from /usr/lib/libxcb.so.1
#2  0x00007f911489856f in xcb_wait_for_event () from /usr/lib/libxcb.so.1
#3  0x00007f9102ac23f9 in ?? () from /usr/lib/qt/plugins/platforms/libqxcb.so
#4  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 28 (Thread 0x7f90fadef700 (LWP 18208)):
#0  0x00007f9110a2544d in poll () from /usr/lib/libc.so.6
#1  0x00007f910cd7cc94 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 27 (Thread 0x7f90f09c5700 (LWP 18209)):
#0  0x00007f911002a8cf in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007f90f3a1759b in ?? () from /usr/lib/xorg/modules/dri/r600_dri.so
#2  0x00007f90f3a16d17 in ?? () from /usr/lib/xorg/modules/dri/r600_dri.so
#3  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 26 (Thread 0x7f90ec35c700 (LWP 18211)):
#0  0x00007f910cdc1019 in g_mutex_lock () from /usr/lib/libglib-2.0.so.0
#1  0x00007f910cd7c0e7 in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#2  0x00007f910cd7cbbb in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#4  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#8  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#9  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 25 (Thread 0x7f90ea30e700 (LWP 18218)):
#0  0x00007f910cdc1019 in g_mutex_lock () from /usr/lib/libglib-2.0.so.0
#1  0x00007f910cd7c229 in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#2  0x00007f910cd7cbbb in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#4  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#8  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#9  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 24 (Thread 0x7f90e929d700 (LWP 18221)):
#0  0x00007f910cd7c0e2 in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#1  0x00007f910cd7cbbb in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 23 (Thread 0x7f90dbfff700 (LWP 18222)):
#0  0x00007f910cd7bd48 in g_main_context_release () from /usr/lib/libglib-2.0.so.0
#1  0x00007f910cd7cc49 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 22 (Thread 0x7f90daffe700 (LWP 18223)):
#0  0x00007f910cdc1019 in g_mutex_lock () from /usr/lib/libglib-2.0.so.0
#1  0x00007f910cd7c7e6 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#2  0x00007f910cd7ccf8 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#4  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#8  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#9  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 21 (Thread 0x7f90d9fbd700 (LWP 18224)):
#0  0x00007f9110a2544d in poll () from /usr/lib/libc.so.6
#1  0x00007f910cd7cc94 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 20 (Thread 0x7f90d8ecc700 (LWP 18225)):
#0  0x00007f9110a3aa0f in __libc_enable_asynccancel () from /usr/lib/libc.so.6
#1  0x00007f9110a21422 in read () from /usr/lib/libc.so.6
#2  0x00007f910cdbfb80 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f910cd7c71c in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#4  0x00007f910cd7cc33 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#6  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#7  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#8  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#9  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#10 0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#11 0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#12 0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 19 (Thread 0x7f90c77ff700 (LWP 18226)):
#0  0x00007f910cd7c67c in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#1  0x00007f910cd7cc33 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 18 (Thread 0x7f90c67fe700 (LWP 18227)):
#0  0x00007f9110a25459 in poll () from /usr/lib/libc.so.6
#1  0x00007f910cd7cc94 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 17 (Thread 0x7f90c57fd700 (LWP 18228)):
#0  0x00007f910cdc1034 in g_mutex_unlock () from /usr/lib/libglib-2.0.so.0
#1  0x00007f910cd7c622 in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#2  0x00007f910cd7cc33 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#4  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#8  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#9  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 16 (Thread 0x7f90b3fff700 (LWP 18229)):
#0  0x00007fffa758594f in ?? ()
#1  0x00007fffa7585ce9 in clock_gettime ()
#2  0x00007f9110a3b03d in clock_gettime () from /usr/lib/libc.so.6
#3  0x00007f9111150136 in ?? () from /usr/lib/libQt5Core.so.5
#4  0x00007f91112daaf9 in QTimerInfoList::updateCurrentTime() () from /usr/lib/libQt5Core.so.5
#5  0x00007f91112db065 in QTimerInfoList::timerWait(timespec&) () from /usr/lib/libQt5Core.so.5
#6  0x00007f91112dc48e in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f910cd7c21d in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#8  0x00007f910cd7cbbb in ?? () from /usr/lib/libglib-2.0.so.0
#9  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#10 0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#11 0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#12 0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#13 0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#14 0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#15 0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#16 0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 15 (Thread 0x7f90b2ffe700 (LWP 18230)):
#0  0x00007f9110a3aa0f in __libc_enable_asynccancel () from /usr/lib/libc.so.6
#1  0x00007f9110a25442 in poll () from /usr/lib/libc.so.6
#2  0x00007f910cd7cc94 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#4  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#8  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#9  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 14 (Thread 0x7f90b1ffd700 (LWP 18232)):
#0  0x00007f910cdc1034 in g_mutex_unlock () from /usr/lib/libglib-2.0.so.0
#1  0x00007f910cd7c669 in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#2  0x00007f910cd7cc33 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#4  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#8  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#9  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 13 (Thread 0x7f90b0ffc700 (LWP 18233)):
#0  0x00007f910cdc1028 in g_mutex_lock () from /usr/lib/libglib-2.0.so.0
#1  0x00007f910cd7c67c in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#2  0x00007f910cd7cc33 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#4  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#8  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#9  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 12 (Thread 0x7f90a37ff700 (LWP 18234)):
#0  0x00007f9111093544 in QMutex::lock() () from /usr/lib/libQt5Core.so.5
#1  0x00007f91112dc62b in ?? () from /usr/lib/libQt5Core.so.5
#2  0x00007f910cd7c21d in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#3  0x00007f910cd7cbbb in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#5  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#7  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#8  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#9  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#10 0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 11 (Thread 0x7f90a27fe700 (LWP 18235)):
#0  0x00007f911002a8cf in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007f91156b9f14 in ?? () from /usr/lib/libQt5Script.so.5
#2  0x00007f91156b9f59 in ?? () from /usr/lib/libQt5Script.so.5
#3  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 10 (Thread 0x7f90a1ffd700 (LWP 18236)):
#0  0x00007f9110a2544d in poll () from /usr/lib/libc.so.6
#1  0x00007f910cd7cc94 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 9 (Thread 0x7f9017946700 (LWP 18243)):
#0  0x00007f910cd7cdb6 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#1  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#2  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#3  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#4  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#5  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#6  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#7  0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 8 (Thread 0x7f9015f8a700 (LWP 18244)):
#0  0x00007f910cd7c45b in g_main_context_query () from /usr/lib/libglib-2.0.so.0
#1  0x00007f910cd7cc0a in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f9113b97276 in ?? () from /usr/lib/libQt5Quick.so.5
#7  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 7 (Thread 0x7f9014c51700 (LWP 18253)):
#0  0x00007f910cd7c315 in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#1  0x00007f910cd7cbbb in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 6 (Thread 0x7f90019b4700 (LWP 18277)):
#0  0x00007f91112dc41d in ?? () from /usr/lib/libQt5Core.so.5
#1  0x00007f910cd7c21d in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#2  0x00007f910cd7cbbb in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#4  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#8  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#9  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 5 (Thread 0x7f90008c1700 (LWP 18280)):
#0  0x00007f910cd7c5da in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#1  0x00007f910cd7cc33 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 4 (Thread 0x7f8ffb7bf700 (LWP 18282)):
#0  0x00007f9110a2544d in poll () from /usr/lib/libc.so.6
#1  0x00007f910cd7cc94 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7f8ffa6ce700 (LWP 18283)):
#0  0x00007f9110a2544d in poll () from /usr/lib/libc.so.6
#1  0x00007f910cd7cc94 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7f8fef295700 (LWP 18287)):
#0  0x00007f910cd7cb8d in ?? () from /usr/lib/libglib-2.0.so.0
#1  0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#2  0x00007f91112dd08c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#3  0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f9111096664 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#5  0x00007f911393f475 in ?? () from /usr/lib/libQt5Qml.so.5
#6  0x00007f911109b5ee in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f9110025314 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f9110a2e24d in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7f9102cd97c0 (LWP 18199)):
[KCrash Handler]
#5  0x00007f91138c8e90 in QQmlBoundSignalExpression::function() const () from /usr/lib/libQt5Qml.so.5
#6  0x00007f91138c8f30 in QQmlBoundSignalExpression::sourceLocation() const () from /usr/lib/libQt5Qml.so.5
#7  0x00007f91138a78f7 in QQmlData::destroyed(QObject*) () from /usr/lib/libQt5Qml.so.5
#8  0x00007f91112bdccb in QObject::~QObject() () from /usr/lib/libQt5Core.so.5
#9  0x00007f9113c2b63e in QQuickItem::~QQuickItem() () from /usr/lib/libQt5Quick.so.5
#10 0x00007f90a07b38c6 in ?? () from /usr/lib/qt/qml/org/kde/kquickcontrolsaddons/libkquickcontrolsaddonsplugin.so
#11 0x00007f91112b64f8 in QObject::event(QEvent*) () from /usr/lib/libQt5Core.so.5
#12 0x00007f9113c27a0b in QQuickItem::event(QEvent*) () from /usr/lib/libQt5Quick.so.5
#13 0x00007f9111d74d8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#14 0x00007f9111d7a370 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#15 0x00007f9111285a9b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#16 0x00007f9111287adb in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQt5Core.so.5
#17 0x00007f91112dcc83 in ?? () from /usr/lib/libQt5Core.so.5
#18 0x00007f910cd7ca0d in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#19 0x00007f910cd7ccf8 in ?? () from /usr/lib/libglib-2.0.so.0
#20 0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#21 0x00007f91112dd077 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#22 0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#23 0x00007f91115a5a82 in QBasicDrag::drag(QDrag*) () from /usr/lib/libQt5Gui.so.5
#24 0x00007f91115bd851 in QDragManager::drag(QDrag*) () from /usr/lib/libQt5Gui.so.5
#25 0x00007f91115bcbc7 in QDrag::exec(QFlags<Qt::DropAction>, Qt::DropAction) () from /usr/lib/libQt5Gui.so.5
#26 0x00007f900293e50a in ?? () from /usr/lib/qt/qml/org/kde/plasma/private/taskmanager/libtaskmanagerplugin.so
#27 0x00007f90029425d3 in ?? () from /usr/lib/qt/qml/org/kde/plasma/private/taskmanager/libtaskmanagerplugin.so
#28 0x00007f911387f08e in ?? () from /usr/lib/libQt5Qml.so.5
#29 0x00007f9113881a9c in ?? () from /usr/lib/libQt5Qml.so.5
#30 0x00007f9113882083 in QV4::QObjectMethod::callInternal(QV4::CallData*) () from /usr/lib/libQt5Qml.so.5
#31 0x00007f911388d8f8 in QV4::Runtime::callProperty(QV4::ExecutionContext*, QV4::String*, QV4::CallData*) () from /usr/lib/libQt5Qml.so.5
#32 0x00007f9015236e68 in ?? ()
#33 0x00000000052f1300 in ?? ()
#34 0x3f03879b08677700 in ?? ()
#35 0x0003000000000000 in ?? ()
#36 0x0000000002704520 in ?? ()
#37 0x00000000052f1300 in ?? ()
#38 0x3f03879b08677700 in ?? ()
#39 0x0000000002b9c120 in ?? ()
#40 0x0000000003c66360 in ?? ()
#41 0x0000000002b9c120 in ?? ()
#42 0x00007f90c47fd058 in ?? ()
#43 0x00007f90d83bc000 in ?? ()
#44 0x00007f911383e696 in ?? () from /usr/lib/libQt5Qml.so.5
#45 0x00007f9113925c3f in ?? () from /usr/lib/libQt5Qml.so.5
#46 0x00007f91138ca0b6 in QQmlBoundSignalExpression::evaluate(void**) () from /usr/lib/libQt5Qml.so.5
#47 0x00007f91138caafb in ?? () from /usr/lib/libQt5Qml.so.5
#48 0x00007f9113909007 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /usr/lib/libQt5Qml.so.5
#49 0x00007f91138a899c in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () from /usr/lib/libQt5Qml.so.5
#50 0x00007f91112b4ab1 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQt5Core.so.5
#51 0x00007f90a07bff32 in ?? () from /usr/lib/qt/qml/org/kde/kquickcontrolsaddons/libkquickcontrolsaddonsplugin.so
#52 0x00007f90a07ba72b in ?? () from /usr/lib/qt/qml/org/kde/kquickcontrolsaddons/libkquickcontrolsaddonsplugin.so
#53 0x00007f9113c277b8 in QQuickItem::event(QEvent*) () from /usr/lib/libQt5Quick.so.5
#54 0x00007f9111d74d8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#55 0x00007f9111d7a370 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#56 0x00007f9111285a9b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#57 0x00007f9113c37bf3 in QQuickWindow::sendEvent(QQuickItem*, QEvent*) () from /usr/lib/libQt5Quick.so.5
#58 0x00007f9113c37fc2 in QQuickWindowPrivate::deliverMouseEvent(QMouseEvent*) () from /usr/lib/libQt5Quick.so.5
#59 0x00007f9113c3dd60 in QQuickWindow::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libQt5Quick.so.5
#60 0x00007f9113ce487e in QQuickView::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libQt5Quick.so.5
#61 0x00007f91115b94c5 in QWindow::event(QEvent*) () from /usr/lib/libQt5Gui.so.5
#62 0x00007f9113c3f3b3 in QQuickWindow::event(QEvent*) () from /usr/lib/libQt5Quick.so.5
#63 0x0000000000444943 in PanelView::event(QEvent*) ()
#64 0x00007f9111d74d8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#65 0x00007f9111d7a370 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#66 0x00007f9111285a9b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#67 0x00007f91115b0ddb in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib/libQt5Gui.so.5
#68 0x00007f91115b27b5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/libQt5Gui.so.5
#69 0x00007f9111597f4f in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Gui.so.5
#70 0x00007f9102aeb1d0 in ?? () from /usr/lib/qt/plugins/platforms/libqxcb.so
#71 0x00007f910cd7ca0d in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#72 0x00007f910cd7ccf8 in ?? () from /usr/lib/libglib-2.0.so.0
#73 0x00007f910cd7cdac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#74 0x00007f91112dd077 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#75 0x00007f9111283532 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#76 0x00007f911128af0c in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5
#77 0x000000000042e73f in main ()

Possible duplicates by query: bug 343375, bug 343358, bug 338420, bug 337325.

Reported using DrKonqi

Comment 1 Mayeul C. 2015-01-29 14:50:51 UTC

Some notes after using DrKonqi for the first time : 
- No spell checking. I heavily use spell checking when writing in English
- DrKonqi did not select the appropriate plasmashell section by itself, not sure if intended.

Should I report these ?

Comment 2 Bhushan Shah 2015-01-29 15:13:59 UTC

> - DrKonqi did not select the appropriate plasmashell section by itself, not sure if intended.

I just fixed that in http://commits.kde.org/plasma-workspace/63f51b7f4fb45764ae7a77d0600c5660579e9a6b

and this looks like crash in task manager

Comment 3 Eike Hein 2015-01-29 15:17:52 UTC

This looks a lot like the context menu crash backtraces

*** This bug has been marked as a duplicate of bug 343358 ***

Comment 4 Mayeul C. 2015-04-20 19:18:21 UTC

The bug is still present on Arch, with plasma 5.2.2. If it was a duplicate of bug 343358, it should have been fixed. Please confirm it's also present for you, it's really easy to reproduce.

Comment 5 Eike Hein 2015-04-21 18:31:29 UTC

Git commit 1c38100f391d7379576838895535317de597bd71 by Eike Hein.
Committed on 21/04/2015 at 18:30.
Pushed by hein into branch 'Plasma/5.3'.

Fix crash.

M  +1    -1    applets/taskmanager/package/contents/ui/Task.qml
M  +11   -0    applets/taskmanager/plugin/draghelper.cpp
M  +5    -1    applets/taskmanager/plugin/draghelper.h

http://commits.kde.org/plasma-desktop/1c38100f391d7379576838895535317de597bd71