Bug 348009

Summary: Random Plasma crash
Product: [Plasma] plasmashell Reporter: SZÉKELYI Szabolcs <cc>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: bhush94, plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.2.2   
Target Milestone: 1.0   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description SZÉKELYI Szabolcs 2015-05-20 14:21:22 UTC 
Application: plasmashell (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-16-generic i686
Distribution: Ubuntu 15.04

-- Information about the crash:
Crash dialog appears because of Plasma crash randomly every few minutes without any identifiable reason.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb1f3b980 (LWP 4625))]

Thread 28 (Thread 0xb1b3bb40 (LWP 4634)):
#0  0xb76f6be0 in __kernel_vsyscall ()
#1  0xb4e1b3db in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xb68ed3a8 in ?? () from /usr/lib/i386-linux-gnu/libxcb.so.1
#3  0xb68ef394 in xcb_wait_for_event () from /usr/lib/i386-linux-gnu/libxcb.so.1
#4  0xb1c8d7d3 in QXcbEventReader::run (this=0x9f8d280) at qxcbconnection.cpp:1105
#5  0xb50767eb in QThreadPrivate::start (arg=0x9f8d280) at thread/qthread_unix.cpp:337
#6  0xb4b271aa in start_thread (arg=0xb1b3bb40) at pthread_create.c:333
#7  0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 27 (Thread 0xb0506b40 (LWP 4637)):
#0  0xb52fcf08 in postEventSourcePrepare (s=0xafc00d98, timeout=0xb05060f8) at kernel/qeventdispatcher_glib.cpp:246
#1  0xb443e41b in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb443ef24 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0xafc00468, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0xb529ed93 in QEventLoop::processEvents (this=0xb0506294, flags=...) at kernel/qeventloop.cpp:128
#6  0xb529f1fa in QEventLoop::exec (this=0xb0506294, flags=...) at kernel/qeventloop.cpp:204
#7  0xb507140d in QThread::exec (this=0xa013178) at thread/qthread.cpp:503
#8  0xb670350f in QQmlThreadPrivate::run (this=0xa013178) at qml/ftw/qqmlthread.cpp:141
#9  0xb50767eb in QThreadPrivate::start (arg=0xa013178) at thread/qthread_unix.cpp:337
#10 0xb4b271aa in start_thread (arg=0xb0506b40) at pthread_create.c:333
#11 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 26 (Thread 0xac366b40 (LWP 4646)):
#0  0xb76f6be0 in __kernel_vsyscall ()
#1  0xb4b2c25c in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb4e32cf6 in __pthread_cond_wait (cond=0xa10a804, mutex=0xa10a7ec) at forward.c:149
#3  0xaec3458a in cnd_wait (mtx=0xa10a7ec, cond=<optimized out>) at ../../../../../../include/c11/threads_posix.h:154
#4  pipe_semaphore_wait (sema=0xa10a7ec) at ../../../../../../src/gallium/auxiliary/os/os_thread.h:248
#5  thread_function (init_data=0xa10a78c) at ../../../../../../src/gallium/drivers/llvmpipe/lp_rast.c:761
#6  0xaec33d45 in impl_thrd_routine (p=0xa0db108) at ../../../../../../include/c11/threads_posix.h:87
#7  0xb4b271aa in start_thread (arg=0xac366b40) at pthread_create.c:333
#8  0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 25 (Thread 0xabb65b40 (LWP 4647)):
#0  0xb76f6be0 in __kernel_vsyscall ()
#1  0xb4b2c25c in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb4e32cf6 in __pthread_cond_wait (cond=0xa10a8fc, mutex=0xa10a8e4) at forward.c:149
#3  0xaec3458a in cnd_wait (mtx=0xa10a8e4, cond=<optimized out>) at ../../../../../../include/c11/threads_posix.h:154
#4  pipe_semaphore_wait (sema=0xa10a8e4) at ../../../../../../src/gallium/auxiliary/os/os_thread.h:248
#5  thread_function (init_data=0xa10a884) at ../../../../../../src/gallium/drivers/llvmpipe/lp_rast.c:761
#6  0xaec33d45 in impl_thrd_routine (p=0xa0defc0) at ../../../../../../include/c11/threads_posix.h:87
#7  0xb4b271aa in start_thread (arg=0xabb65b40) at pthread_create.c:333
#8  0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 24 (Thread 0xa9e96b40 (LWP 4648)):
#0  0xb76f6be0 in __kernel_vsyscall ()
#1  0xb4e1b3db in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xb444e120 in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb443f014 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0xa9500468, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0xb529ed93 in QEventLoop::processEvents (this=0xa9e96294, flags=...) at kernel/qeventloop.cpp:128
#7  0xb529f1fa in QEventLoop::exec (this=0xa9e96294, flags=...) at kernel/qeventloop.cpp:204
#8  0xb507140d in QThread::exec (this=0xa196448) at thread/qthread.cpp:503
#9  0xb670350f in QQmlThreadPrivate::run (this=0xa196448) at qml/ftw/qqmlthread.cpp:141
#10 0xb50767eb in QThreadPrivate::start (arg=0xa196448) at thread/qthread_unix.cpp:337
#11 0xb4b271aa in start_thread (arg=0xa9e96b40) at pthread_create.c:333
#12 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 23 (Thread 0xa8482b40 (LWP 4652)):
#0  0xb76f6be0 in __kernel_vsyscall ()
#1  0xb4e1b3db in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xb444e120 in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb443f014 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0xa950dd90, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0xb529ed93 in QEventLoop::processEvents (this=0xa8482294, flags=...) at kernel/qeventloop.cpp:128
#7  0xb529f1fa in QEventLoop::exec (this=0xa8482294, flags=...) at kernel/qeventloop.cpp:204
#8  0xb507140d in QThread::exec (this=0xa2789b0) at thread/qthread.cpp:503
#9  0xb670350f in QQmlThreadPrivate::run (this=0xa2789b0) at qml/ftw/qqmlthread.cpp:141
#10 0xb50767eb in QThreadPrivate::start (arg=0xa2789b0) at thread/qthread_unix.cpp:337
#11 0xb4b271aa in start_thread (arg=0xa8482b40) at pthread_create.c:333
#12 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 22 (Thread 0xa73f1b40 (LWP 4653)):
#0  0xb76f6be0 in __kernel_vsyscall ()
#1  0xb4e1b3db in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xb444e120 in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb443f014 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0xafc57fe8, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0xb529ed93 in QEventLoop::processEvents (this=0xa73f1294, flags=...) at kernel/qeventloop.cpp:128
#7  0xb529f1fa in QEventLoop::exec (this=0xa73f1294, flags=...) at kernel/qeventloop.cpp:204
#8  0xb507140d in QThread::exec (this=0xa305d60) at thread/qthread.cpp:503
#9  0xb670350f in QQmlThreadPrivate::run (this=0xa305d60) at qml/ftw/qqmlthread.cpp:141
#10 0xb50767eb in QThreadPrivate::start (arg=0xa305d60) at thread/qthread_unix.cpp:337
#11 0xb4b271aa in start_thread (arg=0xa73f1b40) at pthread_create.c:333
#12 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 21 (Thread 0xa6350b40 (LWP 4654)):
#0  0xb4485a48 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb443eb5e in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb443f089 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0xb1204018, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0xb529ed93 in QEventLoop::processEvents (this=0xa6350294, flags=...) at kernel/qeventloop.cpp:128
#6  0xb529f1fa in QEventLoop::exec (this=0xa6350294, flags=...) at kernel/qeventloop.cpp:204
#7  0xb507140d in QThread::exec (this=0xa3886c8) at thread/qthread.cpp:503
#8  0xb670350f in QQmlThreadPrivate::run (this=0xa3886c8) at qml/ftw/qqmlthread.cpp:141
#9  0xb50767eb in QThreadPrivate::start (arg=0xa3886c8) at thread/qthread_unix.cpp:337
#10 0xb4b271aa in start_thread (arg=0xa6350b40) at pthread_create.c:333
#11 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 20 (Thread 0xa52afb40 (LWP 4655)):
#0  0xb76f6be0 in __kernel_vsyscall ()
#1  0xb4e1575b in read () at ../sysdeps/unix/syscall-template.S:81
#2  0xb4484515 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb443ea82 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb443efaa in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0xa410b78, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#7  0xb529ed93 in QEventLoop::processEvents (this=0xa52af294, flags=...) at kernel/qeventloop.cpp:128
#8  0xb529f1fa in QEventLoop::exec (this=0xa52af294, flags=...) at kernel/qeventloop.cpp:204
#9  0xb507140d in QThread::exec (this=0xa438428) at thread/qthread.cpp:503
#10 0xb670350f in QQmlThreadPrivate::run (this=0xa438428) at qml/ftw/qqmlthread.cpp:141
#11 0xb50767eb in QThreadPrivate::start (arg=0xa438428) at thread/qthread_unix.cpp:337
#12 0xb4b271aa in start_thread (arg=0xa52afb40) at pthread_create.c:333
#13 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 19 (Thread 0xa420eb40 (LWP 4656)):
#0  QMutex::unlock (this=0xa4a7ff4) at thread/qmutex.cpp:264
#1  0xb52fd36c in unlock (this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:138
#2  ~QMutexLocker (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:132
#3  canWaitLocked (this=<optimized out>) at ../../include/QtCore/5.4.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:244
#4  postEventSourcePrepare (timeout=<synthetic pointer>, s=0xa95043f0) at kernel/qeventdispatcher_glib.cpp:254
#5  postEventSourceCheck (source=0xa95043f0) at kernel/qeventdispatcher_glib.cpp:264
#6  0xb443e969 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb443efaa in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0xa950dc00, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#10 0xb529ed93 in QEventLoop::processEvents (this=0xa420e294, flags=...) at kernel/qeventloop.cpp:128
#11 0xb529f1fa in QEventLoop::exec (this=0xa420e294, flags=...) at kernel/qeventloop.cpp:204
#12 0xb507140d in QThread::exec (this=0xa4a6ab8) at thread/qthread.cpp:503
#13 0xb670350f in QQmlThreadPrivate::run (this=0xa4a6ab8) at qml/ftw/qqmlthread.cpp:141
#14 0xb50767eb in QThreadPrivate::start (arg=0xa4a6ab8) at thread/qthread_unix.cpp:337
#15 0xb4b271aa in start_thread (arg=0xa420eb40) at pthread_create.c:333
#16 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 18 (Thread 0xa311ab40 (LWP 4657)):
#0  0xb76f6be0 in __kernel_vsyscall ()
#1  0xb4e1b3db in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xb444e120 in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb443f014 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0xafcca1a8, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0xb529ed93 in QEventLoop::processEvents (this=0xa311a294, flags=...) at kernel/qeventloop.cpp:128
#7  0xb529f1fa in QEventLoop::exec (this=0xa311a294, flags=...) at kernel/qeventloop.cpp:204
#8  0xb507140d in QThread::exec (this=0xa535ef0) at thread/qthread.cpp:503
#9  0xb670350f in QQmlThreadPrivate::run (this=0xa535ef0) at qml/ftw/qqmlthread.cpp:141
#10 0xb50767eb in QThreadPrivate::start (arg=0xa535ef0) at thread/qthread_unix.cpp:337
#11 0xb4b271aa in start_thread (arg=0xa311ab40) at pthread_create.c:333
#12 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 17 (Thread 0xa2081b40 (LWP 4658)):
#0  0xb76f6be0 in __kernel_vsyscall ()
#1  0xb4b2c25c in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb4e32cf6 in __pthread_cond_wait (cond=0xb70898f0, mutex=0xb70898d8) at forward.c:149
#3  0xb6f47784 in ?? () from /usr/lib/i386-linux-gnu/libQt5Script.so.5
#4  0xb6f477cc in ?? () from /usr/lib/i386-linux-gnu/libQt5Script.so.5
#5  0xb4b271aa in start_thread (arg=0xa2081b40) at pthread_create.c:333
#6  0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 16 (Thread 0xa1758b40 (LWP 4659)):
#0  0xb440cb10 in read@plt () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb4484515 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb443ea82 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb443efaa in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0xb1204538, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0xb529ed93 in QEventLoop::processEvents (this=0xa1758294, flags=...) at kernel/qeventloop.cpp:128
#7  0xb529f1fa in QEventLoop::exec (this=0xa1758294, flags=...) at kernel/qeventloop.cpp:204
#8  0xb507140d in QThread::exec (this=0xa5c9e08) at thread/qthread.cpp:503
#9  0xb670350f in QQmlThreadPrivate::run (this=0xa5c9e08) at qml/ftw/qqmlthread.cpp:141
#10 0xb50767eb in QThreadPrivate::start (arg=0xa5c9e08) at thread/qthread_unix.cpp:337
#11 0xb4b271aa in start_thread (arg=0xa1758b40) at pthread_create.c:333
#12 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 15 (Thread 0xa02eab40 (LWP 4660)):
#0  0xb4485a1f in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb443e427 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb443ef24 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0xa6c7698, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0xb529ed93 in QEventLoop::processEvents (this=0xa02ea294, flags=...) at kernel/qeventloop.cpp:128
#6  0xb529f1fa in QEventLoop::exec (this=0xa02ea294, flags=...) at kernel/qeventloop.cpp:204
#7  0xb507140d in QThread::exec (this=0xa6c6fb8) at thread/qthread.cpp:503
#8  0xb670350f in QQmlThreadPrivate::run (this=0xa6c6fb8) at qml/ftw/qqmlthread.cpp:141
#9  0xb50767eb in QThreadPrivate::start (arg=0xa6c6fb8) at thread/qthread_unix.cpp:337
#10 0xb4b271aa in start_thread (arg=0xa02eab40) at pthread_create.c:333
#11 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 14 (Thread 0x9f134b40 (LWP 4661)):
#0  0xb4485a1f in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb443e427 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb443ef24 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0xa950de08, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0xb529ed93 in QEventLoop::processEvents (this=0x9f134254, flags=...) at kernel/qeventloop.cpp:128
#6  0xb529f1fa in QEventLoop::exec (this=0x9f134254, flags=...) at kernel/qeventloop.cpp:204
#7  0xb507140d in QThread::exec (this=0xa66fd20) at thread/qthread.cpp:503
#8  0xb735f019 in QQuickPixmapReader::run (this=0xa66fd20) at util/qquickpixmapcache.cpp:714
#9  0xb50767eb in QThreadPrivate::start (arg=0xa66fd20) at thread/qthread_unix.cpp:337
#10 0xb4b271aa in start_thread (arg=0x9f134b40) at pthread_create.c:333
#11 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 13 (Thread 0x9bb21b40 (LWP 4668)):
#0  0xb76f6be0 in __kernel_vsyscall ()
#1  0xb4e1b3db in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xb444e120 in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb443f014 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0xafcc9d58, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0xb529ed93 in QEventLoop::processEvents (this=0x9bb21294, flags=...) at kernel/qeventloop.cpp:128
#7  0xb529f1fa in QEventLoop::exec (this=0x9bb21294, flags=...) at kernel/qeventloop.cpp:204
#8  0xb507140d in QThread::exec (this=0xa268480) at thread/qthread.cpp:503
#9  0xb670350f in QQmlThreadPrivate::run (this=0xa268480) at qml/ftw/qqmlthread.cpp:141
#10 0xb50767eb in QThreadPrivate::start (arg=0xa268480) at thread/qthread_unix.cpp:337
#11 0xb4b271aa in start_thread (arg=0x9bb21b40) at pthread_create.c:333
#12 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 12 (Thread 0x9a121b40 (LWP 4675)):
#0  0xb443e3e3 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb443ef24 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0xb12d1988, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0xb529ed93 in QEventLoop::processEvents (this=0x9a121294, flags=...) at kernel/qeventloop.cpp:128
#5  0xb529f1fa in QEventLoop::exec (this=0x9a121294, flags=...) at kernel/qeventloop.cpp:204
#6  0xb507140d in QThread::exec (this=0xae26998) at thread/qthread.cpp:503
#7  0xb670350f in QQmlThreadPrivate::run (this=0xae26998) at qml/ftw/qqmlthread.cpp:141
#8  0xb50767eb in QThreadPrivate::start (arg=0xae26998) at thread/qthread_unix.cpp:337
#9  0xb4b271aa in start_thread (arg=0x9a121b40) at pthread_create.c:333
#10 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 11 (Thread 0x9907eb40 (LWP 4676)):
#0  0xb4485a48 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb443e4d4 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb443ef24 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0xae9d790, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0xb529ed93 in QEventLoop::processEvents (this=0x9907e294, flags=...) at kernel/qeventloop.cpp:128
#6  0xb529f1fa in QEventLoop::exec (this=0x9907e294, flags=...) at kernel/qeventloop.cpp:204
#7  0xb507140d in QThread::exec (this=0xaeb5ec0) at thread/qthread.cpp:503
#8  0xb670350f in QQmlThreadPrivate::run (this=0xaeb5ec0) at qml/ftw/qqmlthread.cpp:141
#9  0xb50767eb in QThreadPrivate::start (arg=0xaeb5ec0) at thread/qthread_unix.cpp:337
#10 0xb4b271aa in start_thread (arg=0x9907eb40) at pthread_create.c:333
#11 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 10 (Thread 0x97fdbb40 (LWP 4677)):
#0  0xb76f6be0 in __kernel_vsyscall ()
#1  0xb4e1b3db in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xb444e120 in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb443f014 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0x9a2a1460, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0xb529ed93 in QEventLoop::processEvents (this=0x97fdb294, flags=...) at kernel/qeventloop.cpp:128
#7  0xb529f1fa in QEventLoop::exec (this=0x97fdb294, flags=...) at kernel/qeventloop.cpp:204
#8  0xb507140d in QThread::exec (this=0xaf2a950) at thread/qthread.cpp:503
#9  0xb670350f in QQmlThreadPrivate::run (this=0xaf2a950) at qml/ftw/qqmlthread.cpp:141
#10 0xb50767eb in QThreadPrivate::start (arg=0xaf2a950) at thread/qthread_unix.cpp:337
#11 0xb4b271aa in start_thread (arg=0x97fdbb40) at pthread_create.c:333
#12 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 9 (Thread 0x96f38b40 (LWP 4678)):
#0  __libc_disable_asynccancel (oldtype=2) at ../nptl/cancellation.c:82
#1  0xb4e15764 in read () at ../sysdeps/unix/syscall-template.S:81
#2  0xb4484515 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb443ea82 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb443efaa in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0xa04bca28, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#7  0xb529ed93 in QEventLoop::processEvents (this=0x96f38294, flags=...) at kernel/qeventloop.cpp:128
#8  0xb529f1fa in QEventLoop::exec (this=0x96f38294, flags=...) at kernel/qeventloop.cpp:204
#9  0xb507140d in QThread::exec (this=0xafbc598) at thread/qthread.cpp:503
#10 0xb670350f in QQmlThreadPrivate::run (this=0xafbc598) at qml/ftw/qqmlthread.cpp:141
#11 0xb50767eb in QThreadPrivate::start (arg=0xafbc598) at thread/qthread_unix.cpp:337
#12 0xb4b271aa in start_thread (arg=0x96f38b40) at pthread_create.c:333
#13 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 8 (Thread 0x95e95b40 (LWP 4679)):
#0  __libc_enable_asynccancel () at ../nptl/cancellation.c:43
#1  0xb4e15741 in read () at ../sysdeps/unix/syscall-template.S:81
#2  0xb4484515 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb443ea82 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb443efaa in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0xb1260ef8, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#7  0xb529ed93 in QEventLoop::processEvents (this=0x95e95294, flags=...) at kernel/qeventloop.cpp:128
#8  0xb529f1fa in QEventLoop::exec (this=0x95e95294, flags=...) at kernel/qeventloop.cpp:204
#9  0xb507140d in QThread::exec (this=0xb03f4c0) at thread/qthread.cpp:503
#10 0xb670350f in QQmlThreadPrivate::run (this=0xb03f4c0) at qml/ftw/qqmlthread.cpp:141
#11 0xb50767eb in QThreadPrivate::start (arg=0xb03f4c0) at thread/qthread_unix.cpp:337
#12 0xb4b271aa in start_thread (arg=0x95e95b40) at pthread_create.c:333
#13 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 7 (Thread 0x94df2b40 (LWP 4680)):
#0  0xb4485a1f in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb443eff5 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0xb0bf4a0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0xb529ed93 in QEventLoop::processEvents (this=0x94df2294, flags=...) at kernel/qeventloop.cpp:128
#5  0xb529f1fa in QEventLoop::exec (this=0x94df2294, flags=...) at kernel/qeventloop.cpp:204
#6  0xb507140d in QThread::exec (this=0xb0cb6b8) at thread/qthread.cpp:503
#7  0xb670350f in QQmlThreadPrivate::run (this=0xb0cb6b8) at qml/ftw/qqmlthread.cpp:141
#8  0xb50767eb in QThreadPrivate::start (arg=0xb0cb6b8) at thread/qthread_unix.cpp:337
#9  0xb4b271aa in start_thread (arg=0x94df2b40) at pthread_create.c:333
#10 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 6 (Thread 0x93d4fb40 (LWP 4681)):
#0  0xb443ef71 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0xa9570a70, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#3  0xb529ed93 in QEventLoop::processEvents (this=0x93d4f294, flags=...) at kernel/qeventloop.cpp:128
#4  0xb529f1fa in QEventLoop::exec (this=0x93d4f294, flags=...) at kernel/qeventloop.cpp:204
#5  0xb507140d in QThread::exec (this=0xb158ec0) at thread/qthread.cpp:503
#6  0xb670350f in QQmlThreadPrivate::run (this=0xb158ec0) at qml/ftw/qqmlthread.cpp:141
#7  0xb50767eb in QThreadPrivate::start (arg=0xb158ec0) at thread/qthread_unix.cpp:337
#8  0xb4b271aa in start_thread (arg=0x93d4fb40) at pthread_create.c:333
#9  0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 5 (Thread 0x91bf9b40 (LWP 4767)):
#0  0xb76f6be0 in __kernel_vsyscall ()
#1  0xb4e1b3db in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xb444e120 in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb443f014 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0x9266f4f8, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0xb529ed93 in QEventLoop::processEvents (this=0x91bf9274, flags=...) at kernel/qeventloop.cpp:128
#7  0xb529f1fa in QEventLoop::exec (this=0x91bf9274, flags=...) at kernel/qeventloop.cpp:204
#8  0xb507140d in QThread::exec (this=0xb771ee0) at thread/qthread.cpp:503
#9  0x920f4d80 in KCupsConnection::run() () from /usr/lib/i386-linux-gnu/libkcupslib.so
#10 0xb50767eb in QThreadPrivate::start (arg=0xb771ee0) at thread/qthread_unix.cpp:337
#11 0xb4b271aa in start_thread (arg=0x91bf9b40) at pthread_create.c:333
#12 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 4 (Thread 0x9e541b40 (LWP 4816)):
#0  0xb506e3bf in testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0xba018ac: 0x0) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  testAndSetRelease<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0xba018ac: 0x0) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:175
#2  testAndSetRelease (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, this=0xba018ac) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:272
#3  fastTryUnlock (current=<synthetic pointer>, this=0xba018ac) at thread/qmutex.h:85
#4  QMutex::unlock (this=0xba018ac) at thread/qmutex.cpp:264
#5  0xb52fcf54 in unlock (this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:138
#6  ~QMutexLocker (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:132
#7  canWaitLocked (this=<optimized out>) at ../../include/QtCore/5.4.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:244
#8  postEventSourcePrepare (s=0x92392040, timeout=0x9e5410f8) at kernel/qeventdispatcher_glib.cpp:254
#9  0xb443e41b in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0xb443ef24 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#11 0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#12 0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0x923d9980, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#13 0xb529ed93 in QEventLoop::processEvents (this=0x9e541294, flags=...) at kernel/qeventloop.cpp:128
#14 0xb529f1fa in QEventLoop::exec (this=0x9e541294, flags=...) at kernel/qeventloop.cpp:204
#15 0xb507140d in QThread::exec (this=0xb9f27e8) at thread/qthread.cpp:503
#16 0xb670350f in QQmlThreadPrivate::run (this=0xb9f27e8) at qml/ftw/qqmlthread.cpp:141
#17 0xb50767eb in QThreadPrivate::start (arg=0xb9f27e8) at thread/qthread_unix.cpp:337
#18 0xb4b271aa in start_thread (arg=0x9e541b40) at pthread_create.c:333
#19 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 3 (Thread 0x911bfb40 (LWP 4817)):
#0  0xb76f6be0 in __kernel_vsyscall ()
#1  0xb4e1b3db in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xb444e120 in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb443f014 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0xba902d0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0xb529ed93 in QEventLoop::processEvents (this=0x911bf294, flags=...) at kernel/qeventloop.cpp:128
#7  0xb529f1fa in QEventLoop::exec (this=0x911bf294, flags=...) at kernel/qeventloop.cpp:204
#8  0xb507140d in QThread::exec (this=0xba901c0) at thread/qthread.cpp:503
#9  0xb670350f in QQmlThreadPrivate::run (this=0xba901c0) at qml/ftw/qqmlthread.cpp:141
#10 0xb50767eb in QThreadPrivate::start (arg=0xba901c0) at thread/qthread_unix.cpp:337
#11 0xb4b271aa in start_thread (arg=0x911bfb40) at pthread_create.c:333
#12 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 2 (Thread 0x8d401b40 (LWP 5186)):
#0  0xb76f6be0 in __kernel_vsyscall ()
#1  0xb4e1b3db in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xb444e120 in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb443f014 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb52fd9fc in QEventDispatcherGlib::processEvents (this=0x9a292940, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0xb529ed93 in QEventLoop::processEvents (this=0x8d401294, flags=...) at kernel/qeventloop.cpp:128
#7  0xb529f1fa in QEventLoop::exec (this=0x8d401294, flags=...) at kernel/qeventloop.cpp:204
#8  0xb507140d in QThread::exec (this=0xb9018f8) at thread/qthread.cpp:503
#9  0xb670350f in QQmlThreadPrivate::run (this=0xb9018f8) at qml/ftw/qqmlthread.cpp:141
#10 0xb50767eb in QThreadPrivate::start (arg=0xb9018f8) at thread/qthread_unix.cpp:337
#11 0xb4b271aa in start_thread (arg=0x8d401b40) at pthread_create.c:333
#12 0xb4e25fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 1 (Thread 0xb1f3b980 (LWP 4625)):
[KCrash Handler]
#7  0xb64d0a0f in VDMModelDelegateDataType::notify (this=0xad20c68, items=..., index=0, count=3, roles=...) at util/qqmladaptormodel.cpp:167
#8  0xb674b154 in notify (roles=..., count=3, index=0, items=..., this=0xad00794) at ../../include/QtQml/5.4.1/QtQml/private/../../../../../src/qml/util/qqmladaptormodel_p.h:118
#9  QQmlDelegateModel::_q_itemsChanged (this=0xacff810, index=0, count=3, roles=...) at types/qqmldelegatemodel.cpp:1121
#10 0xb6750bfd in QQmlDelegateModel::_q_layoutChanged (this=0xacff810, parents=..., hint=QAbstractItemModel::VerticalSortHint) at types/qqmldelegatemodel.cpp:1580
#11 0xb6774551 in QQmlDelegateModel::qt_static_metacall (_o=0x8, _c=180473232, _id=196444160, _a=0xbfcdc0e0) at .moc/moc_qqmldelegatemodel_p.cpp:204
#12 0xb677502a in QQmlDelegateModel::qt_metacall (this=0xacff810, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0xbfcdc0e0) at .moc/moc_qqmldelegatemodel_p.cpp:293
#13 0xb52a9a42 in QMetaObject::metacall (object=0xacff810, cl=QMetaObject::InvokeMetaMethod, idx=24, argv=0xbfcdc0e0) at kernel/qmetaobject.cpp:295
#14 0xb52d510c in QMetaObject::activate (sender=0xacd0a88, signalOffset=3, local_signal_index=3, argv=0xbfcdc0e0) at kernel/qobject.cpp:3731
#15 0xb52d55fd in QMetaObject::activate (sender=0xacd0a88, m=0xb5525d70 <QAbstractItemModel::staticMetaObject>, local_signal_index=3, argv=0xbfcdc0e0) at kernel/qobject.cpp:3582
#16 0xb53548d6 in QAbstractItemModel::layoutChanged (this=0xacd0a88, _t1=..., _t2=QAbstractItemModel::VerticalSortHint) at .moc/moc_qabstractitemmodel.cpp:407
#17 0xb5271aaa in QSortFilterProxyModelPrivate::_q_sourceDataChanged (this=0xacd0b18, source_top_left=..., source_bottom_right=...) at itemmodels/qsortfilterproxymodel.cpp:1205
#18 0xb5273d91 in QSortFilterProxyModel::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=0xbfcdc31c, _c=<optimized out>) at .moc/moc_qsortfilterproxymodel.cpp:198
#19 0xb52d4fc1 in QMetaObject::activate (sender=0xacd0a68, signalOffset=3, local_signal_index=0, argv=0xbfcdc31c) at kernel/qobject.cpp:3716
#20 0xb52d55fd in QMetaObject::activate (sender=0xacd0a68, m=0xb5525d70 <QAbstractItemModel::staticMetaObject>, local_signal_index=0, argv=0xbfcdc31c) at kernel/qobject.cpp:3582
#21 0xb5354801 in QAbstractItemModel::dataChanged (this=0xacd0a68, _t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:393
#22 0x9a1c7014 in TaskManager::TasksModelPrivate::itemChanged (this=0xac68980, changes=...) at ../../libtaskmanager/tasksmodel.cpp:515
#23 0x9a1c7968 in TaskManager::TasksModel::qt_static_metacall (_o=0xacd0a68, _c=QMetaObject::InvokeMetaMethod, _id=9, _a=0xbfcdc4b4) at ./moc_tasksmodel.cpp:213
#24 0xb52d4fc1 in QMetaObject::activate (sender=0xb834720, signalOffset=3, local_signal_index=0, argv=0xbfcdc4b4) at kernel/qobject.cpp:3716
#25 0xb52d55fd in QMetaObject::activate (sender=0xb834720, m=0x9a1fdcf8 <TaskManager::AbstractGroupableItem::staticMetaObject>, local_signal_index=0, argv=0xbfcdc4b4) at kernel/qobject.cpp:3582
#26 0x9a1cfb41 in TaskManager::AbstractGroupableItem::changed (this=0xb834720, _t1=...) at moc_abstractgroupableitem.cpp:222
#27 0x9a1d158e in TaskManager::AbstractGroupableItem::qt_static_metacall (_o=0xbb58000, _c=180473232, _id=0, _a=0x8) at moc_abstractgroupableitem.cpp:134
#28 0xb52d4fc1 in QMetaObject::activate (sender=0xac73368, signalOffset=3, local_signal_index=0, argv=0xbfcdc604) at kernel/qobject.cpp:3716
#29 0xb52d55fd in QMetaObject::activate (sender=0xac73368, m=0x9a1fdbd8 <TaskManager::Task::staticMetaObject>, local_signal_index=0, argv=0xbfcdc604) at kernel/qobject.cpp:3582
#30 0x9a1cfd81 in TaskManager::Task::changed (this=0xac73368, _t1=...) at moc_task.cpp:354
#31 0x9a1aedcd in TaskManager::Task::setActive (this=0xac73368, a=true) at ../../libtaskmanager/task.cpp:178
#32 0x9a1c2d53 in TaskManager::TaskManager::activeWindowChanged (this=0x9a1ff7e0 <TaskManager::(anonymous namespace)::Q_QGS_privateTaskManagerSelf::innerFunction()::holder>, w=29360280) at ../../libtaskmanager/taskmanager.cpp:412
#33 0x9a1c51f9 in TaskManager::TaskManager::qt_static_metacall (_o=0x9a1ff7e0 <TaskManager::(anonymous namespace)::Q_QGS_privateTaskManagerSelf::innerFunction()::holder>, _c=QMetaObject::InvokeMetaMethod, _id=10, _a=0xbfcdc7f4) at ./moc_taskmanager.cpp:175
#34 0xb52d4fc1 in QMetaObject::activate (sender=0xb720e520 <(anonymous namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>, signalOffset=3, local_signal_index=3, argv=0xbfcdc7f4) at kernel/qobject.cpp:3716
#35 0xb52d55fd in QMetaObject::activate (sender=0xb720e520 <(anonymous namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>, m=0xb720ddb0 <KWindowSystem::staticMetaObject>, local_signal_index=3, argv=0xbfcdc7f4) at kernel/qobject.cpp:3582
#36 0xb71f2bc1 in KWindowSystem::activeWindowChanged (this=0xb720e520 <(anonymous namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>, _t1=29360280) at moc_kwindowsystem.cpp:302
#37 0xb71db0f9 in NETEventFilter::nativeEventFilter (this=0xabe7860, ev=0xabe7860) at ../../src/kwindowsystem_x11.cpp:208
#38 0xb529e217 in QAbstractEventDispatcher::filterNativeEvent (this=0x9fa5340, eventType=..., message=0x923dc650, result=0xbfcdc8ec) at kernel/qabstracteventdispatcher.cpp:460
#39 0xb1c8c5f4 in QXcbConnection::handleXcbEvent (this=0x9f82050, event=0x923dc650) at qxcbconnection.cpp:863
#40 0xb1c8da50 in QXcbConnection::processXcbEvents (this=0x9f82050) at qxcbconnection.cpp:1303
#41 0xb1cb9581 in QXcbConnection::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=<optimized out>, _c=<optimized out>) at .moc/moc_qxcbconnection.cpp:185
#42 0xb52d2590 in QMetaCallEvent::placeMetaCall (this=0x8ffceea8, object=0x9f82050) at kernel/qobject.cpp:485
#43 0xb52d5d03 in QObject::event (this=0x9f82050, e=0x8ffceea8) at kernel/qobject.cpp:1245
#44 0xb1c8df59 in QXcbConnection::event (this=0x9f82050, e=0x8ffceea8) at qxcbconnection.cpp:1916
#45 0xb5ba682a in QApplicationPrivate::notify_helper (this=0x9f7b1d0, receiver=0x9f82050, e=0x8ffceea8) at kernel/qapplication.cpp:3720
#46 0xb5bac081 in QApplication::notify (this=0xbfcdd098, receiver=0x9f82050, e=0x8ffceea8) at kernel/qapplication.cpp:3503
#47 0xb52a1b8a in QCoreApplication::notifyInternal (this=0xbfcdd098, receiver=0x9f82050, event=0x8ffceea8) at kernel/qcoreapplication.cpp:935
#48 0xb52a3e7c in sendEvent (event=0x8ffceea8, receiver=0x9f82050) at kernel/qcoreapplication.h:228
#49 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9f76870) at kernel/qcoreapplication.cpp:1552
#50 0xb52a4597 in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1410
#51 0xb52fd5d3 in postEventSourceDispatch (s=0x9fa7280) at kernel/qeventdispatcher_glib.cpp:271
#52 0xb443ed64 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#53 0xb443f089 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#54 0xb443f156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#55 0xb52fd9e4 in QEventDispatcherGlib::processEvents (this=0x9fa5340, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#56 0xb1cba611 in QPAEventDispatcherGlib::processEvents (this=0x9fa5340, flags=...) at eventdispatchers/qeventdispatcher_glib.cpp:115
#57 0xb529ed93 in QEventLoop::processEvents (this=0xbfcdcfb8, flags=...) at kernel/qeventloop.cpp:128
#58 0xb529f1fa in QEventLoop::exec (this=0xbfcdcfb8, flags=...) at kernel/qeventloop.cpp:204
#59 0xb52a7315 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#60 0xb55dda41 in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#61 0xb5ba1da4 in QApplication::exec () at kernel/qapplication.cpp:2956
#62 0x080703c0 in main (argc=4, argv=0xbfcdd184) at ../../shell/main.cpp:158

Possible duplicates by query: bug 347925, bug 345289, bug 342975.

Reported using DrKonqi
Comment 1 David Edmundson 2015-05-20 14:29:31 UTC 
Thanks

as a workaround for now remove the window list plasmoid, will be fixed in the plasma release

*** This bug has been marked as a duplicate of bug 342763 ***