Application: plasmashell (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-16-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:
same as 345660 alternate: first click on "activities" work, second time sth dumps
- Unusual behavior I noticed:
second activity is always disabled

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f03d9dd37c0 (LWP 8057))]

Thread 38 (Thread 0x7f03c59dd700 (LWP 8062)):
#0  0x00007f03d4b7d8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f03d70eab72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f03d70ec64f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f03c7d24099 in QXcbEventReader::run (this=0x1b9d2c0) at qxcbconnection.cpp:1105
#4  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x1b9d2c0) at thread/qthread_unix.cpp:337
#5  0x00007f03d44046aa in start_thread (arg=0x7f03c59dd700) at pthread_create.c:333
#6  0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 37 (Thread 0x7f03bf5ef700 (LWP 8063)):
#0  postEventSourcePrepare (s=0x7f03b80012d0, timeout=0x7f03bf5eec14) at kernel/qeventdispatcher_glib.cpp:255
#1  0x00007f03d12893fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f03b80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f03bf5eede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x1c644d0) at thread/qthread_unix.cpp:337
#9  0x00007f03d44046aa in start_thread (arg=0x7f03bf5ef700) at pthread_create.c:333
#10 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 36 (Thread 0x7f03b41ed700 (LWP 8064)):
#0  0x00007f03d1286eec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03d128939b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f03ac0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f03b41ecde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x2589a40) at thread/qthread_unix.cpp:337
#9  0x00007f03d44046aa in start_thread (arg=0x7f03b41ed700) at pthread_create.c:333
#10 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 35 (Thread 0x7f03b1b7a700 (LWP 8068)):
#0  0x00007f03d4b7d8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f03d1289ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f03a80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f03b1b79de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x26d4350) at thread/qthread_unix.cpp:337
#8  0x00007f03d44046aa in start_thread (arg=0x7f03b1b7a700) at pthread_create.c:333
#9  0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 34 (Thread 0x7f03b0a99700 (LWP 8069)):
#0  __libc_disable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:102
#1  0x00007f03d4b794a9 in read () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007f03d12cd2f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d128996c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03d1289e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f039c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#7  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f03b0a98de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f03d51feb0e in QThreadPrivate::start (arg=0x27b0cc0) at thread/qthread_unix.cpp:337
#11 0x00007f03d44046aa in start_thread (arg=0x7f03b0a99700) at pthread_create.c:333
#12 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 33 (Thread 0x7f03a37ff700 (LWP 8070)):
#0  __GI___clock_gettime (clock_id=1, tp=0x7f03a37feb40) at ../sysdeps/unix/clock_gettime.c:93
#1  0x00007f03d52b4cb6 in qt_clock_gettime (ts=0x7f03a37feb40, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#2  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:161
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:170
#4  0x00007f03d5493639 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f03980030d0) at kernel/qtimerinfo_unix.cpp:84
#5  0x00007f03d5493ba5 in QTimerInfoList::timerWait (this=0x7f03980030d0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#6  0x00007f03d549503e in timerSourcePrepareHelper (timeout=0x7f03a37fec14, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#7  timerSourcePrepare (source=<optimized out>, timeout=0x7f03a37fec14) at kernel/qeventdispatcher_glib.cpp:160
#8  0x00007f03d12893fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f03d1289de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f03980008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#12 0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f03a37fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#13 0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#14 0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f03d51feb0e in QThreadPrivate::start (arg=0x28a2120) at thread/qthread_unix.cpp:337
#16 0x00007f03d44046aa in start_thread (arg=0x7f03a37ff700) at pthread_create.c:333
#17 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 32 (Thread 0x7f03a1fbd700 (LWP 8071)):
#0  0x00007f03d1286eb7 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03d128939b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f03900008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f03a1fbcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x29d0880) at thread/qthread_unix.cpp:337
#9  0x00007f03d44046aa in start_thread (arg=0x7f03a1fbd700) at pthread_create.c:333
#10 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 31 (Thread 0x7f03a0f4c700 (LWP 8072)):
#0  0x00007f03d4b7949d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f03d12cd2f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d128996c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d1289e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f03940008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f03a0f4bde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x2adbe90) at thread/qthread_unix.cpp:337
#10 0x00007f03d44046aa in start_thread (arg=0x7f03a0f4c700) at pthread_create.c:333
#11 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 30 (Thread 0x7f038f7ff700 (LWP 8073)):
#0  0x00007f03d12ce789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03d1289641 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289e37 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f03880008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f038f7fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x2b9c570) at thread/qthread_unix.cpp:337
#9  0x00007f03d44046aa in start_thread (arg=0x7f038f7ff700) at pthread_create.c:333
#10 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 29 (Thread 0x7f038e7fe700 (LWP 8074)):
#0  0x00007f03d1289409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03d1289de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f03800008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f038e7fdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x2c9c4c0) at thread/qthread_unix.cpp:337
#8  0x00007f03d44046aa in start_thread (arg=0x7f038e7fe700) at pthread_create.c:333
#9  0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 28 (Thread 0x7f038d7fd700 (LWP 8075)):
#0  0x00007f03d12ce789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03d12892d7 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f03840008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f038d7fcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x2da5cf0) at thread/qthread_unix.cpp:337
#9  0x00007f03d44046aa in start_thread (arg=0x7f038d7fd700) at pthread_create.c:333
#10 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 27 (Thread 0x7f037ffff700 (LWP 8076)):
#0  0x00007f03d4b7d8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f03d1289ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f03780008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f037fffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x2e7c6f0) at thread/qthread_unix.cpp:337
#8  0x00007f03d44046aa in start_thread (arg=0x7f037ffff700) at pthread_create.c:333
#9  0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 26 (Thread 0x7f037effe700 (LWP 8078)):
#0  0x00007f03d4b7949d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f03d12cd2f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d128996c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d1289e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f03700008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f037effdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x2fa6480) at thread/qthread_unix.cpp:337
#10 0x00007f03d44046aa in start_thread (arg=0x7f037effe700) at pthread_create.c:333
#11 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 25 (Thread 0x7f037dffd700 (LWP 8080)):
#0  0x00007f03d1289409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03d1289de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f03740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f037dffcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x30992e0) at thread/qthread_unix.cpp:337
#8  0x00007f03d44046aa in start_thread (arg=0x7f037dffd700) at pthread_create.c:333
#9  0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 24 (Thread 0x7f037cffc700 (LWP 8081)):
#0  0x00007f03d1286f2f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03d12897ef in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f03680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f037cffbde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x317df00) at thread/qthread_unix.cpp:337
#9  0x00007f03d44046aa in start_thread (arg=0x7f037cffc700) at pthread_create.c:333
#10 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 23 (Thread 0x7f036f7ff700 (LWP 8082)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f03d8f08644 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f03d8f08689 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f03d44046aa in start_thread (arg=0x7f036f7ff700) at pthread_create.c:333
#4  0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 22 (Thread 0x7f036effe700 (LWP 8083)):
#0  testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x324d2f8: 0x0) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  testAndSetAcquire<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x324d2f8: 0x0) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:166
#2  testAndSetAcquire (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, this=this@entry=0x324d2f8) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:270
#3  fastTryLock (current=<synthetic pointer>, this=this@entry=0x324d2f8) at thread/qmutex.h:82
#4  QMutex::lock (this=this@entry=0x324d2f8) at thread/qmutex.cpp:212
#5  0x00007f03d54955a9 in QMutexLocker (m=0x324d2f8, this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:128
#6  canWaitLocked (this=0x324d2d0) at ../../include/QtCore/5.4.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:243
#7  postEventSourcePrepare (timeout=<synthetic pointer>, s=0x7f02e40012d0) at kernel/qeventdispatcher_glib.cpp:254
#8  postEventSourceCheck (source=0x7f02e40012d0) at kernel/qeventdispatcher_glib.cpp:264
#9  0x00007f03d12898c1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f03d1289e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f02e40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#13 0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f036effdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#15 0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f03d51feb0e in QThreadPrivate::start (arg=0x317c700) at thread/qthread_unix.cpp:337
#17 0x00007f03d44046aa in start_thread (arg=0x7f036effe700) at pthread_create.c:333
#18 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7f036dffd700 (LWP 8086)):
#0  0x00007f03d12ce7a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03d12898b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f02dc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f036dffcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x3465f50) at thread/qthread_unix.cpp:337
#9  0x00007f03d44046aa in start_thread (arg=0x7f036dffd700) at pthread_create.c:333
#10 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7f02e3fff700 (LWP 8087)):
#0  0x00007f03d4b7d8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f03d1289ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f02d80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f02e3ffed90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f03d9a71b56 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x3611a70) at thread/qthread_unix.cpp:337
#8  0x00007f03d44046aa in start_thread (arg=0x7f02e3fff700) at pthread_create.c:333
#9  0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7f02e1ffe700 (LWP 8088)):
#0  __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:65
#1  0x00007f03d4b79492 in read () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007f03d12cd2f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d128996c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03d1289e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f02d00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#7  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f02e1ffdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f03d51feb0e in QThreadPrivate::start (arg=0x49b3a80) at thread/qthread_unix.cpp:337
#11 0x00007f03d44046aa in start_thread (arg=0x7f02e1ffe700) at pthread_create.c:333
#12 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7f02d7089700 (LWP 8089)):
#0  0x00007f03d12ce789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03d128973e in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f02cc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f02d7088de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x50ff5e0) at thread/qthread_unix.cpp:337
#9  0x00007f03d44046aa in start_thread (arg=0x7f02d7089700) at pthread_create.c:333
#10 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7f02d5f88700 (LWP 8090)):
#0  0x00007f03d1289409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03d1289de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f02c40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f02d5f87de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x5217a40) at thread/qthread_unix.cpp:337
#8  0x00007f03d44046aa in start_thread (arg=0x7f02d5f88700) at pthread_create.c:333
#9  0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7f02d4e87700 (LWP 8091)):
#0  0x00007f03d12ce789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03d1289409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f02c80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f02d4e86de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x533bb00) at thread/qthread_unix.cpp:337
#9  0x00007f03d44046aa in start_thread (arg=0x7f02d4e87700) at pthread_create.c:333
#10 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f02c37ff700 (LWP 8092)):
#0  0x00007f03d12894f5 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03d1289de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f02bc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f02c37fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x53f8160) at thread/qthread_unix.cpp:337
#8  0x00007f03d44046aa in start_thread (arg=0x7f02c37ff700) at pthread_create.c:333
#9  0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f02c27fe700 (LWP 8093)):
#0  __GI___tls_get_addr (ti=0x7f03d5698680) at dl-tls.c:831
#1  0x00007f03d51fda12 in get_thread_data () at thread/qthread_unix.cpp:181
#2  QThreadData::current (createIfNecessary=createIfNecessary@entry=true) at thread/qthread_unix.cpp:212
#3  0x00007f03d5495591 in postEventSourcePrepare (timeout=0x0, s=0x7f02b4002500) at kernel/qeventdispatcher_glib.cpp:247
#4  postEventSourceCheck (source=0x7f02b4002500) at kernel/qeventdispatcher_glib.cpp:264
#5  0x00007f03d12898c1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f03d1289e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f02b40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#9  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f02c27fdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#10 0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#11 0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f03d51feb0e in QThreadPrivate::start (arg=0x54ec460) at thread/qthread_unix.cpp:337
#13 0x00007f03d44046aa in start_thread (arg=0x7f02c27fe700) at pthread_create.c:333
#14 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f02c17fd700 (LWP 8094)):
#0  0x00007f03d12ce7a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03d12896f9 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289e37 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f02b80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f02c17fcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x55db340) at thread/qthread_unix.cpp:337
#9  0x00007f03d44046aa in start_thread (arg=0x7f02c17fd700) at pthread_create.c:333
#10 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f02b3fff700 (LWP 8095)):
#0  0x00007f03d12ce7a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03d12893f0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f02ac0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f02b3ffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x56ff660) at thread/qthread_unix.cpp:337
#9  0x00007f03d44046aa in start_thread (arg=0x7f02b3fff700) at pthread_create.c:333
#10 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f02b2ffe700 (LWP 8096)):
#0  0x00007f03d51f69ca in testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x57bb998: 0x1) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  testAndSetAcquire<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x57bb998: 0x1) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:166
#2  testAndSetAcquire (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, this=0x57bb998, this@entry=0x1) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:270
#3  fastTryLock (current=<synthetic pointer>, this=0x57bb998, this@entry=0x1) at thread/qmutex.h:82
#4  QMutex::lock (this=this@entry=0x57bb998) at thread/qmutex.cpp:212
#5  0x00007f03d54951db in QMutexLocker (m=0x57bb998, this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:128
#6  canWaitLocked (this=0x57bb970) at ../../include/QtCore/5.4.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:243
#7  postEventSourcePrepare (s=0x7f02a40012d0, timeout=0x7f02b2ffdc14) at kernel/qeventdispatcher_glib.cpp:254
#8  0x00007f03d12893fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f03d1289de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f02a40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#12 0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f02b2ffdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#13 0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#14 0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f03d51feb0e in QThreadPrivate::start (arg=0x57bb7c0) at thread/qthread_unix.cpp:337
#16 0x00007f03d44046aa in start_thread (arg=0x7f02b2ffe700) at pthread_create.c:333
#17 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f02b1ffd700 (LWP 8097)):
#0  0x00007f03d12ce789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03d1288f38 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289e76 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f02a80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f02b1ffcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x58dfaa0) at thread/qthread_unix.cpp:337
#9  0x00007f03d44046aa in start_thread (arg=0x7f02b1ffd700) at pthread_create.c:333
#10 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f02b0ffc700 (LWP 8098)):
#0  0x00007f03d12ce789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03d1289e7e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f029c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f02b0ffbde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x599c490) at thread/qthread_unix.cpp:337
#8  0x00007f03d44046aa in start_thread (arg=0x7f02b0ffc700) at pthread_create.c:333
#9  0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f02a37ff700 (LWP 8099)):
#0  0x00007f03d4b7d8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f03d1289ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f02980008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f02a37fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x5aa2780) at thread/qthread_unix.cpp:337
#8  0x00007f03d44046aa in start_thread (arg=0x7f02a37ff700) at pthread_create.c:333
#9  0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f02a27fe700 (LWP 8100)):
#0  0x00007f03d12898d8 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03d1289e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f02900008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f02a27fdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x5b803b0) at thread/qthread_unix.cpp:337
#8  0x00007f03d44046aa in start_thread (arg=0x7f02a27fe700) at pthread_create.c:333
#9  0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f02a17fd700 (LWP 8101)):
#0  0x00007f03d4b7d8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f03d1289ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f02940008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f02a17fcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x5c67d50) at thread/qthread_unix.cpp:337
#8  0x00007f03d44046aa in start_thread (arg=0x7f02a17fd700) at pthread_create.c:333
#9  0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f028ffff700 (LWP 8102)):
#0  0x00007f03d12898a8 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03d1289e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f02880008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f028fffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x5d5cc70) at thread/qthread_unix.cpp:337
#8  0x00007f03d44046aa in start_thread (arg=0x7f028ffff700) at pthread_create.c:333
#9  0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f0287508700 (LWP 8103)):
#0  0x00007f03d12b0dfb in g_thread_self () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f03d1288ddc in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289d75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f02800008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f0287507dc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f028d80ecf7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#8  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x62a3670) at thread/qthread_unix.cpp:337
#9  0x00007f03d44046aa in start_thread (arg=0x7f0287508700) at pthread_create.c:333
#10 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f0286580700 (LWP 8104)):
#0  0x00007f03d4b7d8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f03d1289ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f02780008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f028657fde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x5ed9040) at thread/qthread_unix.cpp:337
#8  0x00007f03d44046aa in start_thread (arg=0x7f0286580700) at pthread_create.c:333
#9  0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f028547d700 (LWP 8105)):
#0  __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:57
#1  0x00007f03d4b7d8d2 in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007f03d1289ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f03d5495c6c in QEventDispatcherGlib::processEvents (this=0x7f027c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7f028547cde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f03d51f9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f03d6f87f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f03d51feb0e in QThreadPrivate::start (arg=0x663b920) at thread/qthread_unix.cpp:337
#9  0x00007f03d44046aa in start_thread (arg=0x7f028547d700) at pthread_create.c:333
#10 0x00007f03d4b88eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f03d9dd37c0 (LWP 8057)):
[KCrash Handler]
#6  0x00007f03d5bd96d0 in vtable for QPaintDevice () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#7  0x00007f03d9057636 in destroy (this=0x8022570) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qsharedpointer_impl.h:151
#8  deref (d=0x8022570) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qsharedpointer_impl.h:469
#9  deref (this=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qsharedpointer_impl.h:464
#10 ~QSharedPointer (this=0x802ad60, __in_chrg=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qsharedpointer_impl.h:305
#11 ~ManagedTextureNode (this=0x802abe0, __in_chrg=<optimized out>) at /usr/include/KF5/KDeclarative/quickaddons/managedtexturenode.h:43
#12 ManagedTextureNode::~ManagedTextureNode (this=0x802abe0, __in_chrg=<optimized out>) at /usr/include/KF5/KDeclarative/quickaddons/managedtexturenode.h:43
#13 0x00007f03d9ab2c13 in QSGNode::destroy() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f03d9ab2c47 in QSGNode::~QSGNode() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007f03d9ab2c79 in QSGNode::~QSGNode() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007f03d9ab2c13 in QSGNode::destroy() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007f03d9ab2c47 in QSGNode::~QSGNode() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007f03d9ab2db9 in QSGTransformNode::~QSGTransformNode() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#19 0x00007f03d9b103c4 in QQuickWindowPrivate::cleanupNodes() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007f03d9b1045e in QQuickWindowPrivate::updateDirtyNodes() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007f03d9b10d80 in QQuickWindowPrivate::syncSceneGraph() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007f03d9adff05 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#23 0x00007f03d9ae1016 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#24 0x00007f03d57927b5 in QWindow::event (this=0x33565b0, ev=<optimized out>) at kernel/qwindow.cpp:2051
#25 0x00007f03d9b1add3 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#26 0x00007f03d903ef9b in PlasmaQuick::Dialog::event (this=0x33565b0, event=0x7fff0e5ede70) at ../../../src/plasmaquick/dialog.cpp:1154
#27 0x00007f03d5d46b2c in QApplicationPrivate::notify_helper (this=0x1b86420, receiver=0x33565b0, e=0x7fff0e5ede70) at kernel/qapplication.cpp:3720
#28 0x00007f03d5d4c000 in QApplication::notify (this=0x7fff0e5ee2d0, receiver=0x33565b0, e=0x7fff0e5ede70) at kernel/qapplication.cpp:3503
#29 0x00007f03d543cc2b in QCoreApplication::notifyInternal (this=0x7fff0e5ee2d0, receiver=receiver@entry=0x33565b0, event=event@entry=0x7fff0e5ede70) at kernel/qcoreapplication.cpp:935
#30 0x00007f03d578ae86 in sendSpontaneousEvent (event=0x7fff0e5ede70, receiver=0x33565b0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#31 QGuiApplicationPrivate::processExposeEvent (e=0x8016dc0) at kernel/qguiapplication.cpp:2613
#32 0x00007f03d578bbbd in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x8016dc0) at kernel/qguiapplication.cpp:1638
#33 0x00007f03d577034f in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
#34 0x00007f03c7d4e590 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#35 0x00007f03d1289c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f03d1289f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f03d1289fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f03d5495c57 in QEventDispatcherGlib::processEvents (this=0x1bbe100, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#39 0x00007f03d543a3e2 in QEventLoop::exec (this=this@entry=0x7fff0e5ee150, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#40 0x00007f03d544202c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#41 0x00007f03d578131c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#42 0x00007f03d5d427a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#43 0x000000000042fd9b in main (argc=4, argv=<optimized out>) at ../../shell/main.cpp:158

Possible duplicates by query: bug 345660.

Reported using DrKonqi