Bug 344550

Summary: Plasmashell crashes when external monitor is attached
Product: [Unmaintained] klipper Reporter: Jeppe Bundsgaard <jeppe>
Component: generalAssignee: Martin Flöser <mgraesslin>
Status: RESOLVED UPSTREAM    
Severity: crash CC: aleksi.uotila, artur.glavic, bshah, darktori, frantisek.komarek, kajalsinha, littlepigwang, neclimdul, null, Samuele.Kaplun, stefano.d, vit
Priority: NOR Keywords: drkonqi
Version First Reported In: 5.2.0   
Target Milestone: ---   
Platform: unspecified   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Jeppe Bundsgaard 2015-02-25 07:57:40 UTC 
Application: plasmashell ()

Qt Version: 5.4.0
Operating System: Linux 3.18.0-13-generic x86_64
Distribution: Ubuntu Vivid Vervet (development branch)

-- Information about the crash:
- What I was doing when the application crashed:
Attaching external monitor (hdmi). It also happened when I was rebooting with the external monitor attached.

The crash can be reproduced every time.

-- Backtrace:
Application: plasmashell (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1f5c7a5800 (LWP 2727))]

Thread 34 (Thread 0x7f1f481e5700 (LWP 2729)):
#0  0x00007f1f575580fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1f59d57b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f1f59d5964f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f1f4a52c0b9 in QXcbEventReader::run (this=0x2235320) at qxcbconnection.cpp:1105
#4  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x2235320) at thread/qthread_unix.cpp:337
#5  0x00007f1f56ded0a5 in start_thread (arg=0x7f1f481e5700) at pthread_create.c:309
#6  0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 33 (Thread 0x7f1f456a0700 (LWP 2742)):
#0  0x00007f1f575580fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1f53e7eebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1f3c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1f4569fda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x23003b0) at thread/qthread_unix.cpp:337
#8  0x00007f1f56ded0a5 in start_thread (arg=0x7f1f456a0700) at pthread_create.c:309
#9  0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 32 (Thread 0x7f1f32234700 (LWP 2747)):
#0  0x00007f1f57553e0d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1f53ec22f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7e96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f53e7ee60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1f2c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1f32233da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x243e720) at thread/qthread_unix.cpp:337
#10 0x00007f1f56ded0a5 in start_thread (arg=0x7f1f32234700) at pthread_create.c:309
#11 0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 31 (Thread 0x7f1f2bfff700 (LWP 2802)):
#0  0x00007f1f53ec3789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1f53e7eea2 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1f240008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1f2bffeda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x2d65600) at thread/qthread_unix.cpp:337
#8  0x00007f1f56ded0a5 in start_thread (arg=0x7f1f2bfff700) at pthread_create.c:309
#9  0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 30 (Thread 0x7f1f2a7bd700 (LWP 2804)):
#0  0x00007f1f53e7e667 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1f53e7ee37 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1f1c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1f2a7bcda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x2e33050) at thread/qthread_unix.cpp:337
#8  0x00007f1f56ded0a5 in start_thread (arg=0x7f1f2a7bd700) at pthread_create.c:309
#9  0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 29 (Thread 0x7f1f297bc700 (LWP 2805)):
#0  0x00007f1f575580fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1f53e7eebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1f200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1f297bbda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x2f6ecf0) at thread/qthread_unix.cpp:337
#8  0x00007f1f56ded0a5 in start_thread (arg=0x7f1f297bc700) at pthread_create.c:309
#9  0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 28 (Thread 0x7f1f1bfff700 (LWP 2806)):
#0  0x00007f1f575580fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1f53e7eebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1f140008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1f1bffeda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x3053190) at thread/qthread_unix.cpp:337
#8  0x00007f1f56ded0a5 in start_thread (arg=0x7f1f1bfff700) at pthread_create.c:309
#9  0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 27 (Thread 0x7f1f1affe700 (LWP 2807)):
#0  0x00007f1f53ec3789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1f53e7e409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7ede8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1f0c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1f1affdda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x3156f60) at thread/qthread_unix.cpp:337
#9  0x00007f1f56ded0a5 in start_thread (arg=0x7f1f1affe700) at pthread_create.c:309
#10 0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 26 (Thread 0x7f1f19ffd700 (LWP 2808)):
#0  0x00007f1f53ec3789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1f53e7df38 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7ee76 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1f100008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1f19ffcda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x321f4e0) at thread/qthread_unix.cpp:337
#9  0x00007f1f56ded0a5 in start_thread (arg=0x7f1f19ffd700) at pthread_create.c:309
#10 0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 25 (Thread 0x7f1f18ffc700 (LWP 2811)):
#0  0x00007f1f53e7bf2f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1f53e7e7ef in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7ee60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1f040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1f18ffbda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x330c4b0) at thread/qthread_unix.cpp:337
#9  0x00007f1f56ded0a5 in start_thread (arg=0x7f1f18ffc700) at pthread_create.c:309
#10 0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 24 (Thread 0x7f1f0b7ff700 (LWP 2812)):
#0  0x00007f1f57bd7d5a in testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x33ffbf8: 0x1) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  testAndSetRelease<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x33ffbf8: 0x1) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:175
#2  testAndSetRelease (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, this=this@entry=0x33ffbf8) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:272
#3  fastTryUnlock (current=<synthetic pointer>, this=this@entry=0x33ffbf8) at thread/qmutex.h:85
#4  QMutex::unlock (this=this@entry=0x33ffbf8) at thread/qmutex.cpp:264
#5  0x00007f1f57e76415 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/5.4.0/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:244
#8  postEventSourcePrepare (timeout=<synthetic pointer>, s=0x7f1f00002700) at kernel/qeventdispatcher_glib.cpp:254
#9  postEventSourceCheck (source=0x7f1f00002700) at kernel/qeventdispatcher_glib.cpp:264
#10 0x00007f1f53e7e8c1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f1f53e7ee60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1f000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#14 0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1f0b7feda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#15 0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#16 0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x3402e30) at thread/qthread_unix.cpp:337
#18 0x00007f1f56ded0a5 in start_thread (arg=0x7f1f0b7ff700) at pthread_create.c:309
#19 0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 23 (Thread 0x7f1f0a7fe700 (LWP 2813)):
#0  0x00007f1f575580fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1f53e7eebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1ef80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1f0a7fdda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x3525140) at thread/qthread_unix.cpp:337
#8  0x00007f1f56ded0a5 in start_thread (arg=0x7f1f0a7fe700) at pthread_create.c:309
#9  0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 22 (Thread 0x7f1f097fd700 (LWP 2814)):
#0  0x00007f1f575580fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1f53e7eebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1efc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1f097fcda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x35f1450) at thread/qthread_unix.cpp:337
#8  0x00007f1f56ded0a5 in start_thread (arg=0x7f1f097fd700) at pthread_create.c:309
#9  0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 21 (Thread 0x7f1ef7fff700 (LWP 2815)):
#0  0x00007f1f53ec3789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1f53e7e409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7ede8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1ef00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1ef7ffeda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x370d570) at thread/qthread_unix.cpp:337
#9  0x00007f1f56ded0a5 in start_thread (arg=0x7f1ef7fff700) at pthread_create.c:309
#10 0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 20 (Thread 0x7f1ef6ffe700 (LWP 2816)):
#0  0x00007f1f53ec37a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1f53e7e3f0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7ede8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1ee80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1ef6ffdda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x37ceb30) at thread/qthread_unix.cpp:337
#9  0x00007f1f56ded0a5 in start_thread (arg=0x7f1ef6ffe700) at pthread_create.c:309
#10 0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 19 (Thread 0x7f1ef5ffd700 (LWP 2817)):
#0  0x00007f1f57553e0d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1f53ec22f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7e96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f53e7ee60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1eec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1ef5ffcda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x38ba5f0) at thread/qthread_unix.cpp:337
#10 0x00007f1f56ded0a5 in start_thread (arg=0x7f1ef5ffd700) at pthread_create.c:309
#11 0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 18 (Thread 0x7f1ef4ffc700 (LWP 2818)):
#0  0x00007f1f53ec3789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1f53e7e73e in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7ee60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1ee00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1ef4ffbda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x39e16f0) at thread/qthread_unix.cpp:337
#9  0x00007f1f56ded0a5 in start_thread (arg=0x7f1ef4ffc700) at pthread_create.c:309
#10 0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 17 (Thread 0x7f1ee77ff700 (LWP 2819)):
#0  0x00007f1f57553e0d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1f53ec22f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7e96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f53e7ee60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1edc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1ee77feda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x3aa6a80) at thread/qthread_unix.cpp:337
#10 0x00007f1f56ded0a5 in start_thread (arg=0x7f1ee77ff700) at pthread_create.c:309
#11 0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 16 (Thread 0x7f1ee67fe700 (LWP 2821)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1f5b8f1684 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f1f5b8f16c9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f1f56ded0a5 in start_thread (arg=0x7f1ee67fe700) at pthread_create.c:309
#4  0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 15 (Thread 0x7f1ee5ffd700 (LWP 2822)):
#0  timerSourcePrepareHelper (timeout=0x7f1ee5ffcbd4, src=0x7f1e54003070) at kernel/qeventdispatcher_glib.cpp:127
#1  timerSourcePrepare (source=0x7f1e54003070, timeout=0x7f1ee5ffcbd4) at kernel/qeventdispatcher_glib.cpp:160
#2  0x00007f1f53e7e3fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f53e7ede8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1e540008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1ee5ffcda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x3b9a630) at thread/qthread_unix.cpp:337
#10 0x00007f1f56ded0a5 in start_thread (arg=0x7f1ee5ffd700) at pthread_create.c:309
#11 0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 14 (Thread 0x7f1e5bfff700 (LWP 2851)):
#0  0x00007f1f575580fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1f53e7eebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1e500008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1e5bffeda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x3449ac0) at thread/qthread_unix.cpp:337
#8  0x00007f1f56ded0a5 in start_thread (arg=0x7f1e5bfff700) at pthread_create.c:309
#9  0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 13 (Thread 0x7f1e5a742700 (LWP 2854)):
#0  0x00007f1f575580fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1f53e7eebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1e480008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1e5a741d50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1f5c455806 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x417b3e0) at thread/qthread_unix.cpp:337
#8  0x00007f1f56ded0a5 in start_thread (arg=0x7f1e5a742700) at pthread_create.c:309
#9  0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 12 (Thread 0x7f1e58936700 (LWP 2875)):
#0  QTimerInfoList::repairTimersIfNeeded (this=0x7f1e4c002cd0) at kernel/qtimerinfo_unix.cpp:154
#1  0x00007f1f57e74a13 in QTimerInfoList::timerWait (this=0x7f1e4c002cd0, tm=...) at kernel/qtimerinfo_unix.cpp:380
#2  0x00007f1f57e75e9e in timerSourcePrepareHelper (timeout=0x7f1e58935bd4, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#3  timerSourcePrepare (source=<optimized out>, timeout=0x7f1e58935bd4) at kernel/qeventdispatcher_glib.cpp:160
#4  0x00007f1f53e7e3fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1f53e7ede8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1e4c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#8  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1e58935da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#10 0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x6016340) at thread/qthread_unix.cpp:337
#12 0x00007f1f56ded0a5 in start_thread (arg=0x7f1e58936700) at pthread_create.c:309
#13 0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 11 (Thread 0x7f1e45d3d700 (LWP 2910)):
#0  0x00007f1f53ec3789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1f53e7edbd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1e400008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1e45d3cda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x78fb9a0) at thread/qthread_unix.cpp:337
#8  0x00007f1f56ded0a5 in start_thread (arg=0x7f1e45d3d700) at pthread_create.c:309
#9  0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (Thread 0x7f1e44c4a700 (LWP 2911)):
#0  0x00007f1f575580fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1f53e7eebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1e380008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1e44c49da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x7da1340) at thread/qthread_unix.cpp:337
#8  0x00007f1f56ded0a5 in start_thread (arg=0x7f1e44c4a700) at pthread_create.c:309
#9  0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (Thread 0x7f1e3f7ff700 (LWP 2912)):
#0  0x00007f1f575580fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1f53e7eebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1e340008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1e3f7feda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x7ea4230) at thread/qthread_unix.cpp:337
#8  0x00007f1f56ded0a5 in start_thread (arg=0x7f1e3f7ff700) at pthread_create.c:309
#9  0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7f1e3e7fe700 (LWP 2913)):
#0  0x00007f1f53ec37a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1f53e7efd6 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1e2c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#3  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1e3e7fdda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#4  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#5  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x7f81a30) at thread/qthread_unix.cpp:337
#7  0x00007f1f56ded0a5 in start_thread (arg=0x7f1e3e7fe700) at pthread_create.c:309
#8  0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (Thread 0x7f1e3d7fd700 (LWP 2914)):
#0  0x00007f1f575580fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1f53e7eebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1e300008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1e3d7fcda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x806a670) at thread/qthread_unix.cpp:337
#8  0x00007f1f56ded0a5 in start_thread (arg=0x7f1e3d7fd700) at pthread_create.c:309
#9  0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7f1e2bfff700 (LWP 2915)):
#0  qt_gettime () at tools/qelapsedtimer_unix.cpp:192
#1  0x00007f1f57e74499 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f1e24002cd0) at kernel/qtimerinfo_unix.cpp:84
#2  0x00007f1f57e74a05 in QTimerInfoList::timerWait (this=0x7f1e24002cd0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#3  0x00007f1f57e75e9e in timerSourcePrepareHelper (timeout=0x7f1e2bffebd4, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#4  timerSourcePrepare (source=<optimized out>, timeout=0x7f1e2bffebd4) at kernel/qeventdispatcher_glib.cpp:160
#5  0x00007f1f53e7e3fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f1f53e7ede8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1e240008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#9  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1e2bffeda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#10 0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#11 0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x8160900) at thread/qthread_unix.cpp:337
#13 0x00007f1f56ded0a5 in start_thread (arg=0x7f1e2bfff700) at pthread_create.c:309
#14 0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7f1e2affe700 (LWP 2916)):
#0  0x00007f1f53e7beb7 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1f53e7e7ef in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7ee60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1e1c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1e2affdda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x8259b60) at thread/qthread_unix.cpp:337
#9  0x00007f1f56ded0a5 in start_thread (arg=0x7f1e2affe700) at pthread_create.c:309
#10 0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7f1e29ffd700 (LWP 2917)):
#0  0x00007f1f575580fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1f53e7eebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1e200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1e29ffcda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x83458a0) at thread/qthread_unix.cpp:337
#8  0x00007f1f56ded0a5 in start_thread (arg=0x7f1e29ffd700) at pthread_create.c:309
#9  0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7f1e1ba5c700 (LWP 2947)):
#0  0x00007f1f575580fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1f53e7eebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x84fda70, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1e1ba5bda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x69f9a30) at thread/qthread_unix.cpp:337
#8  0x00007f1f56ded0a5 in start_thread (arg=0x7f1e1ba5c700) at pthread_create.c:309
#9  0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f1e1a969700 (LWP 2948)):
#0  0x00007f1f53e7ee6e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f57e76acc in QEventDispatcherGlib::processEvents (this=0x7f1e20008520, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#3  0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7f1e1a968da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#4  0x00007f1f57bdaa94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#5  0x00007f1f59bf46a5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f1f57bdfa4e in QThreadPrivate::start (arg=0x8c17cb0) at thread/qthread_unix.cpp:337
#7  0x00007f1f56ded0a5 in start_thread (arg=0x7f1e1a969700) at pthread_create.c:309
#8  0x00007f1f575625ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f1f5c7a5800 (LWP 2727)):
[KCrash Handler]
#6  0x00007f1f4a5241df in QXcbClipboard::requestor (this=0x224a790) at qxcbclipboard.cpp:481
#7  0x00007f1f4a524e83 in QXcbClipboard::getSelection (this=0x224a790, selection=35822448, target=321, property=326, time=0) at qxcbclipboard.cpp:1004
#8  0x00007f1f4a526848 in getDataInFormat (fmtAtom=<optimized out>, modeAtom=<optimized out>, this=<optimized out>) at qxcbclipboard.cpp:998
#9  QXcbClipboardMime::formats_sys (this=0x3da2100) at qxcbclipboard.cpp:97
#10 0x00007f1f581780eb in QInternalMimeData::formats (this=<optimized out>) at kernel/qdnd.cpp:206
#11 0x00007f1ee4dc5a5d in Klipper::checkClipData (this=0x3d45f40, selectionMode=<optimized out>) at ../../klipper/klipper.cpp:690
#12 0x00007f1ee4dc60b5 in Klipper::newClipData (this=<optimized out>, mode=mode@entry=QClipboard::Selection) at ../../klipper/klipper.cpp:596
#13 0x00007f1ee4dc612e in newClipData (mode=QClipboard::Selection, this=<optimized out>) at ../../klipper/klipper.cpp:651
#14 Klipper::slotCheckPending (this=<optimized out>) at ../../klipper/klipper.cpp:650
#15 0x00007f1ee4dea455 in Klipper::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at moc_klipper.cpp:217
#16 0x00007f1f57e4e959 in QMetaObject::activate (sender=sender@entry=0x3d46008, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3716
#17 0x00007f1f57e4efe7 in QMetaObject::activate (sender=sender@entry=0x3d46008, m=m@entry=0x7f1f58078580 <QTimer::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3582
#18 0x00007f1f57ece480 in QTimer::timeout (this=this@entry=0x3d46008) at .moc/moc_qtimer.cpp:192
#19 0x00007f1f57e5c8a8 in QTimer::timerEvent (this=0x3d46008, e=<optimized out>) at kernel/qtimer.cpp:247
#20 0x00007f1f57e4f683 in QObject::event (this=0x3d46008, e=<optimized out>) at kernel/qobject.cpp:1267
#21 0x00007f1f587262ec in QApplicationPrivate::notify_helper (this=0x221f4f0, receiver=0x3d46008, e=0x7fffd6d7f5b0) at kernel/qapplication.cpp:3722
#22 0x00007f1f5872b960 in QApplication::notify (this=0x7fffd6d7f960, receiver=0x3d46008, e=0x7fffd6d7f5b0) at kernel/qapplication.cpp:3505
#23 0x00007f1f57e1dbdb in QCoreApplication::notifyInternal (this=0x7fffd6d7f960, receiver=0x3d46008, event=event@entry=0x7fffd6d7f5b0) at kernel/qcoreapplication.cpp:932
#24 0x00007f1f57e75945 in sendEvent (event=0x7fffd6d7f5b0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#25 QTimerInfoList::activateTimers (this=0x225b920) at kernel/qtimerinfo_unix.cpp:635
#26 0x00007f1f57e75dc1 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:177
#27 0x00007f1f53e7ec3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f1f53e7ef20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f1f53e7efcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f1f57e76ab7 in QEventDispatcherGlib::processEvents (this=0x225a3c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#31 0x00007f1f57e1b392 in QEventLoop::exec (this=this@entry=0x7fffd6d7f800, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#32 0x00007f1f57e22fdc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1185
#33 0x00007f1f5816219c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1535
#34 0x00007f1f58721f55 in QApplication::exec () at kernel/qapplication.cpp:2956
#35 0x000000000042f5bf in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:150

Reported using DrKonqi
Comment 1 Bhushan Shah 2015-02-26 11:48:00 UTC 
This looks like crash in the klipper
Comment 2 Martin Flöser 2015-02-26 11:52:35 UTC 
sorry crashes in Qt
Comment 3 Bhushan Shah 2015-02-26 12:27:38 UTC 
*** Bug 343999 has been marked as a duplicate of this bug. ***
Comment 4 Bhushan Shah 2015-02-26 14:58:33 UTC 
*** Bug 344397 has been marked as a duplicate of this bug. ***
Comment 5 Bhushan Shah 2015-02-26 15:02:28 UTC 
*** Bug 344120 has been marked as a duplicate of this bug. ***
Comment 6 Bhushan Shah 2015-03-02 16:55:28 UTC 
*** Bug 344739 has been marked as a duplicate of this bug. ***
Comment 7 Bhushan Shah 2015-03-27 12:25:57 UTC 
*** Bug 345569 has been marked as a duplicate of this bug. ***
Comment 8 Bhushan Shah 2015-04-11 02:46:17 UTC 
*** Bug 346051 has been marked as a duplicate of this bug. ***
Comment 9 Bhushan Shah 2015-04-20 11:38:45 UTC 
*** Bug 346391 has been marked as a duplicate of this bug. ***
Comment 10 Bhushan Shah 2015-04-29 03:47:06 UTC 
*** Bug 346884 has been marked as a duplicate of this bug. ***
Comment 11 David Edmundson 2015-04-29 21:56:03 UTC 
*** Bug 346885 has been marked as a duplicate of this bug. ***
Comment 12 James Gilliland 2015-05-04 13:44:49 UTC 
This is marked resolved upstream, is there an upstream issue to watch so we know a timeline for the fix getting to us?
Comment 13 Christoph Feck 2015-05-17 00:44:57 UTC 
*** Bug 346579 has been marked as a duplicate of this bug. ***
Comment 14 Christoph Feck 2015-05-17 00:55:01 UTC 
https://bugreports.qt.io/browse/QTBUG-42985
Comment 15 Bhushan Shah 2015-07-25 14:04:24 UTC 
*** Bug 350550 has been marked as a duplicate of this bug. ***
Comment 16 David Edmundson 2015-08-06 10:21:47 UTC 
*** Bug 351022 has been marked as a duplicate of this bug. ***
Comment 17 David Edmundson 2015-10-02 12:43:24 UTC 
*** Bug 353438 has been marked as a duplicate of this bug. ***
Comment 18 Christoph Feck 2016-06-13 15:34:55 UTC 
*** Bug 364262 has been marked as a duplicate of this bug. ***