Bug 346886

Summary: Plasma crashed while enabling screens
Product: [Plasma] plasmashell Reporter: Samuele Kaplun <Samuele.Kaplun>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: antonis+kdebugs, bhush94, plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.3.0   
Target Milestone: 1.0   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Samuele Kaplun 2015-04-29 07:18:49 UTC 
Application: plasmashell (5.3.0)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-15-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:
I was simply activating two additional HDMI screens through krandrtray and plasma suddenly crashed.

-- Backtrace:
Application: Plasma (plasmashell), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f3d429317c0 (LWP 22464))]

Thread 42 (Thread 0x7f3d2e6b8700 (LWP 22468)):
#0  0x00007f3d3d4cc8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f3d3fc5db72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f3d3fc5f64f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f3d309ff099 in QXcbEventReader::run (this=0x127f280) at qxcbconnection.cpp:1105
#4  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x127f280) at thread/qthread_unix.cpp:337
#5  0x00007f3d3cd536aa in start_thread (arg=0x7f3d2e6b8700) at pthread_create.c:333
#6  0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 41 (Thread 0x7f3d27fff700 (LWP 22471)):
#0  0x00007f3d39e41789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfc409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3d200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3d27ffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x134d4e0) at thread/qthread_unix.cpp:337
#9  0x00007f3d3cd536aa in start_thread (arg=0x7f3d27fff700) at pthread_create.c:333
#10 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 40 (Thread 0x7f3d1cd2a700 (LWP 22491)):
#0  __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:65
#1  0x00007f3d3d4cc8d2 in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007f3d39dfcebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3d180008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3d1cd29de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x1c73b20) at thread/qthread_unix.cpp:337
#9  0x00007f3d3cd536aa in start_thread (arg=0x7f3d1cd2a700) at pthread_create.c:333
#10 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 39 (Thread 0x7f3d165a1700 (LWP 22501)):
#0  0x00007f3d39dfbf27 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfce76 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3d080008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3d165a0de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x1daace0) at thread/qthread_unix.cpp:337
#8  0x00007f3d3cd536aa in start_thread (arg=0x7f3d165a1700) at pthread_create.c:333
#9  0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 38 (Thread 0x7f3d155a0700 (LWP 22505)):
#0  0x00007f3d3d4cc8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f3d39dfcebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3d0c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3d1559fde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x1e99d70) at thread/qthread_unix.cpp:337
#8  0x00007f3d3cd536aa in start_thread (arg=0x7f3d155a0700) at pthread_create.c:333
#9  0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 37 (Thread 0x7f3d07fff700 (LWP 22508)):
#0  0x00007f3d39e417a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfc3f0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3d000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3d07ffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x1fa2960) at thread/qthread_unix.cpp:337
#9  0x00007f3d3cd536aa in start_thread (arg=0x7f3d07fff700) at pthread_create.c:333
#10 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 36 (Thread 0x7f3d06ffe700 (LWP 22511)):
#0  0x00007f3d39e41789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfc409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3cf80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3d06ffdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x2098180) at thread/qthread_unix.cpp:337
#9  0x00007f3d3cd536aa in start_thread (arg=0x7f3d06ffe700) at pthread_create.c:333
#10 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 35 (Thread 0x7f3d05ffd700 (LWP 22513)):
#0  0x00007f3d3db45e0f in testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x2177af8: 0x0) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  testAndSetRelease<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x2177af8: 0x0) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:175
#2  testAndSetRelease (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, this=this@entry=0x2177af8) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:272
#3  fastTryUnlock (current=<synthetic pointer>, this=this@entry=0x2177af8) at thread/qmutex.h:85
#4  QMutex::unlock (this=this@entry=0x2177af8) at thread/qmutex.cpp:264
#5  0x00007f3d3dde41ed 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=0x2177ad0) at ../../include/QtCore/5.4.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:244
#8  postEventSourcePrepare (s=0x7f3cfc0012d0, timeout=0x7f3d05ffcc14) at kernel/qeventdispatcher_glib.cpp:254
#9  0x00007f3d39dfc3fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f3d39dfcde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3cfc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#13 0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3d05ffcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#15 0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x217cab0) at thread/qthread_unix.cpp:337
#17 0x00007f3d3cd536aa in start_thread (arg=0x7f3d05ffd700) at pthread_create.c:333
#18 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 34 (Thread 0x7f3d04ffc700 (LWP 22514)):
#0  0x00007ffd865eacb0 in clock_gettime ()
#1  0x00007f3d3d4e638d in __GI___clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f3d3dc03cb6 in qt_clock_gettime (ts=0x7f3d04ffbb40, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:161
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:170
#5  0x00007f3d3dde2639 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f3cf00030d0) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007f3d3dde2ba5 in QTimerInfoList::timerWait (this=0x7f3cf00030d0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#7  0x00007f3d3dde403e in timerSourcePrepareHelper (timeout=0x7f3d04ffbc14, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7f3d04ffbc14) at kernel/qeventdispatcher_glib.cpp:160
#9  0x00007f3d39dfc3fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f3d39dfcde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3cf00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#13 0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3d04ffbde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#15 0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x22a7480) at thread/qthread_unix.cpp:337
#17 0x00007f3d3cd536aa in start_thread (arg=0x7f3d04ffc700) at pthread_create.c:333
#18 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 33 (Thread 0x7f3cf77ff700 (LWP 22515)):
#0  0x00007f3d3d4cc8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f3d39dfcebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3cec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3cf77fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x235c590) at thread/qthread_unix.cpp:337
#8  0x00007f3d3cd536aa in start_thread (arg=0x7f3cf77ff700) at pthread_create.c:333
#9  0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 32 (Thread 0x7f3cf65f6700 (LWP 22516)):
#0  0x00007f3d39e41789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfc409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3ce40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3cf65f5de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x24604b0) at thread/qthread_unix.cpp:337
#9  0x00007f3d3cd536aa in start_thread (arg=0x7f3cf65f6700) at pthread_create.c:333
#10 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 31 (Thread 0x7f3cf55f5700 (LWP 22519)):
#0  QThreadData::current (createIfNecessary=createIfNecessary@entry=true) at thread/qthread_unix.cpp:213
#1  0x00007f3d3dde41ba in postEventSourcePrepare (s=0x7f3ce80012d0, timeout=0x7f3cf55f4c14) at kernel/qeventdispatcher_glib.cpp:247
#2  0x00007f3d39dfc3fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d39dfcde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3ce80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3cf55f4de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x25a66f0) at thread/qthread_unix.cpp:337
#10 0x00007f3d3cd536aa in start_thread (arg=0x7f3cf55f5700) at pthread_create.c:333
#11 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 30 (Thread 0x7f3ce3fff700 (LWP 22520)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3d41a7c644 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f3d41a7c689 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f3d3cd536aa in start_thread (arg=0x7f3ce3fff700) at pthread_create.c:333
#4  0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 29 (Thread 0x7f3c637fe700 (LWP 22522)):
#0  0x00007f3d39e417a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfc8b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfce60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c5c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c637fdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x265ed20) at thread/qthread_unix.cpp:337
#9  0x00007f3d3cd536aa in start_thread (arg=0x7f3c637fe700) at pthread_create.c:333
#10 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 28 (Thread 0x7f3c61210700 (LWP 22553)):
#0  0x00007f3d39e417a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfbe5e in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcd75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c540008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c6120fde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x2822f40) at thread/qthread_unix.cpp:337
#9  0x00007f3d3cd536aa in start_thread (arg=0x7f3c61210700) at pthread_create.c:333
#10 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 27 (Thread 0x7f3c5b747700 (LWP 22559)):
#0  0x00007f3d39dfc4f5 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfcde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c500008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c5b746d90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3d425e5b56 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x299ad90) at thread/qthread_unix.cpp:337
#8  0x00007f3d3cd536aa in start_thread (arg=0x7f3c5b747700) at pthread_create.c:333
#9  0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 26 (Thread 0x7f3c59c46700 (LWP 22586)):
#0  testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x2561988: 0x0) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  testAndSetAcquire<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x2561988: 0x0) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:166
#2  testAndSetAcquire (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, this=this@entry=0x2561988) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:270
#3  fastTryLock (current=<synthetic pointer>, this=this@entry=0x2561988) at thread/qmutex.h:82
#4  QMutex::lock (this=this@entry=0x2561988) at thread/qmutex.cpp:212
#5  0x00007f3d3dde41db in QMutexLocker (m=0x2561988, this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:128
#6  canWaitLocked (this=0x2561960) at ../../include/QtCore/5.4.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:243
#7  postEventSourcePrepare (s=0x7f3c480012d0, timeout=0x7f3c59c45c14) at kernel/qeventdispatcher_glib.cpp:254
#8  0x00007f3d39dfc3fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f3d39dfcde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c480008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#12 0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c59c45de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#13 0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#14 0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x133e2a0) at thread/qthread_unix.cpp:337
#16 0x00007f3d3cd536aa in start_thread (arg=0x7f3c59c46700) at pthread_create.c:333
#17 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 25 (Thread 0x7f3c4e40c700 (LWP 23462)):
#0  0x00007f3d39dfc3a8 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfcde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c440008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c4e40bde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x461dd10) at thread/qthread_unix.cpp:337
#8  0x00007f3d3cd536aa in start_thread (arg=0x7f3c4e40c700) at pthread_create.c:333
#9  0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 24 (Thread 0x7f3c4d309700 (LWP 23464)):
#0  0x00007f3d39e417a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfc3f0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c3c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c4d308de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x46d6400) at thread/qthread_unix.cpp:337
#9  0x00007f3d3cd536aa in start_thread (arg=0x7f3c4d309700) at pthread_create.c:333
#10 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 23 (Thread 0x7f3c43fff700 (LWP 23466)):
#0  0x00007f3d3d4cc8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f3d39dfcebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c380008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c43ffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x47bc080) at thread/qthread_unix.cpp:337
#8  0x00007f3d3cd536aa in start_thread (arg=0x7f3c43fff700) at pthread_create.c:333
#9  0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 22 (Thread 0x7f3c42ffe700 (LWP 23467)):
#0  __libc_disable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:98
#1  0x00007f3d3d4c84a9 in read () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007f3d39e402f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d39dfc96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d39dfce60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c300008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#7  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c42ffdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x48ba300) at thread/qthread_unix.cpp:337
#11 0x00007f3d3cd536aa in start_thread (arg=0x7f3c42ffe700) at pthread_create.c:333
#12 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7f3c41ffd700 (LWP 23468)):
#0  0x00007f3d39e417a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfc8b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfce60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c340008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c41ffcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x49be830) at thread/qthread_unix.cpp:337
#9  0x00007f3d3cd536aa in start_thread (arg=0x7f3c41ffd700) at pthread_create.c:333
#10 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7f3c40efc700 (LWP 23469)):
#0  0x00007f3d3d4cc8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f3d39dfcebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c40efbde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x4a96610) at thread/qthread_unix.cpp:337
#8  0x00007f3d3cd536aa in start_thread (arg=0x7f3c40efc700) at pthread_create.c:333
#9  0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7f3c2f7ff700 (LWP 23470)):
#0  0x00007f3d3d4cc8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f3d39dfcebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c240008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c2f7fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x4bbff60) at thread/qthread_unix.cpp:337
#8  0x00007f3d3cd536aa in start_thread (arg=0x7f3c2f7ff700) at pthread_create.c:333
#9  0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7f3c2e7fe700 (LWP 23471)):
#0  0x00007f3d3d4c849d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f3d39e402f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfc96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d39dfce60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c1c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c2e7fdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x4c78430) at thread/qthread_unix.cpp:337
#10 0x00007f3d3cd536aa in start_thread (arg=0x7f3c2e7fe700) at pthread_create.c:333
#11 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7f3c2d7fd700 (LWP 23472)):
#0  idleTimerSourcePrepare (source=0x7f3c20002b20, timeout=0x7f3c2d7fcc14) at kernel/qeventdispatcher_glib.cpp:199
#1  0x00007f3d39dfc3fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c2d7fcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x4d98880) at thread/qthread_unix.cpp:337
#9  0x00007f3d3cd536aa in start_thread (arg=0x7f3c2d7fd700) at pthread_create.c:333
#10 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7f3c1bfff700 (LWP 23473)):
#0  0x00007f3d39dfc36b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfcde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c140008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c1bffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x4e65d30) at thread/qthread_unix.cpp:337
#8  0x00007f3d3cd536aa in start_thread (arg=0x7f3c1bfff700) at pthread_create.c:333
#9  0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f3c1affe700 (LWP 23474)):
#0  0x00007f3d39e417a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfc3f0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c0c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c1affdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x4f90530) at thread/qthread_unix.cpp:337
#9  0x00007f3d3cd536aa in start_thread (arg=0x7f3c1affe700) at pthread_create.c:333
#10 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f3c19ffd700 (LWP 23475)):
#0  0x00007f3d3db45e0f in testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x5046a28: 0x0) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  testAndSetRelease<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x5046a28: 0x0) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:175
#2  testAndSetRelease (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, this=this@entry=0x5046a28) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:272
#3  fastTryUnlock (current=<synthetic pointer>, this=this@entry=0x5046a28) at thread/qmutex.h:85
#4  QMutex::unlock (this=this@entry=0x5046a28) at thread/qmutex.cpp:264
#5  0x00007f3d3dde41ed 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=0x5046a00) at ../../include/QtCore/5.4.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:244
#8  postEventSourcePrepare (s=0x7f3c100012d0, timeout=0x7f3c19ffcc14) at kernel/qeventdispatcher_glib.cpp:254
#9  0x00007f3d39dfc3fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f3d39dfcde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c100008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#13 0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c19ffcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#15 0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x5046850) at thread/qthread_unix.cpp:337
#17 0x00007f3d3cd536aa in start_thread (arg=0x7f3c19ffd700) at pthread_create.c:333
#18 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f3c084a5700 (LWP 23520)):
#0  0x00007f3d39df9efe in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfc7ef in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfce60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c084a4dc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f3c0a750cf7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#8  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x5595280) at thread/qthread_unix.cpp:337
#9  0x00007f3d3cd536aa in start_thread (arg=0x7f3c084a5700) at pthread_create.c:333
#10 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f3c07b8e700 (LWP 23521)):
#0  0x00007f3d3db45e0f in testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x584e198: 0x0) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  testAndSetRelease<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x584e198: 0x0) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:175
#2  testAndSetRelease (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, this=this@entry=0x584e198) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:272
#3  fastTryUnlock (current=<synthetic pointer>, this=this@entry=0x584e198) at thread/qmutex.h:85
#4  QMutex::unlock (this=this@entry=0x584e198) at thread/qmutex.cpp:264
#5  0x00007f3d3dde41ed 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=0x584e170) at ../../include/QtCore/5.4.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:244
#8  postEventSourcePrepare (s=0x7f3bf80012d0, timeout=0x7f3c07b8dc14) at kernel/qeventdispatcher_glib.cpp:254
#9  0x00007f3d39dfc3fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f3d39dfcde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3bf80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#13 0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c07b8dde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#15 0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x587cec0) at thread/qthread_unix.cpp:337
#17 0x00007f3d3cd536aa in start_thread (arg=0x7f3c07b8e700) at pthread_create.c:333
#18 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f3c06a8d700 (LWP 23522)):
#0  0x00007f3d3d4c849d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f3d39e402f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfc96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d39dfce60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x5936820, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c06a8cde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x5936c40) at thread/qthread_unix.cpp:337
#10 0x00007f3d3cd536aa in start_thread (arg=0x7f3c06a8d700) at pthread_create.c:333
#11 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f3c0594c700 (LWP 23523)):
#0  0x00007f3d39dfc3e8 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfcde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3bf8003120, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c0594bde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x5170bf0) at thread/qthread_unix.cpp:337
#8  0x00007f3d3cd536aa in start_thread (arg=0x7f3c0594c700) at pthread_create.c:333
#9  0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f3c0484b700 (LWP 23524)):
#0  0x00007f3d39e417a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfce76 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c00005d80, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3c0484ade0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x5b30c60) at thread/qthread_unix.cpp:337
#8  0x00007f3d3cd536aa in start_thread (arg=0x7f3c0484b700) at pthread_create.c:333
#9  0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f3bf6bdf700 (LWP 24326)):
#0  0x00007f3d39e41789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfcea2 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c0c003320, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3bf6bdede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x6246260) at thread/qthread_unix.cpp:337
#8  0x00007f3d3cd536aa in start_thread (arg=0x7f3bf6bdf700) at pthread_create.c:333
#9  0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f3bf51ce700 (LWP 24327)):
#0  0x00007f3d39e41789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfc409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c1400f650, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3bf51cdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x639ed30) at thread/qthread_unix.cpp:337
#9  0x00007f3d3cd536aa in start_thread (arg=0x7f3bf51ce700) at pthread_create.c:333
#10 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f3bf41cd700 (LWP 24328)):
#0  0x00007f3d3d4cc8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f3d39dfcebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c20002d20, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3bf41ccd90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3d425e5b56 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x64ac7c0) at thread/qthread_unix.cpp:337
#8  0x00007f3d3cd536aa in start_thread (arg=0x7f3bf41cd700) at pthread_create.c:333
#9  0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f3bf23a4700 (LWP 24333)):
#0  0x00007f3d39e41789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfca16 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcf20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c1c0083d0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3bf23a3de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x690f0d0) at thread/qthread_unix.cpp:337
#9  0x00007f3d3cd536aa in start_thread (arg=0x7f3bf23a4700) at pthread_create.c:333
#10 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f3bf1118700 (LWP 24334)):
#0  0x00007f3d3d4c849d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f3d39e402f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfc96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d39dfce60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c24003320, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3bf1117de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x6a4c220) at thread/qthread_unix.cpp:337
#10 0x00007f3d3cd536aa in start_thread (arg=0x7f3bf1118700) at pthread_create.c:333
#11 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f3bf000f700 (LWP 24335)):
#0  0x00007f3d39e417a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfcddb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c28008320, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3bf000ed90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3d425e5b56 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x6b86c10) at thread/qthread_unix.cpp:337
#8  0x00007f3d3cd536aa in start_thread (arg=0x7f3bf000f700) at pthread_create.c:333
#9  0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f3bef500700 (LWP 24336)):
#0  0x00007f3d39e41789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3d39dfbf38 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3d39dfce76 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3d3dde4c6c in QEventDispatcherGlib::processEvents (this=0x7f3c34002f20, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7f3bef4ffde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f3d3db48b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f3d3f8d6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f3d3db4db0e in QThreadPrivate::start (arg=0x2568530) at thread/qthread_unix.cpp:337
#9  0x00007f3d3cd536aa in start_thread (arg=0x7f3bef500700) at pthread_create.c:333
#10 0x00007f3d3d4d7eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f3d429317c0 (LWP 22464)):
[KCrash Handler]
#6  0x00007f3d3d406267 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
#7  0x00007f3d3d407eca in __GI_abort () at abort.c:89
#8  0x00007f3d3d7fc06d in __gnu_cxx::__verbose_terminate_handler() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#9  0x00007f3d3d7f9ee6 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#10 0x00007f3d3d7f9f31 in std::terminate() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#11 0x00007f3d3d7faa7f in __cxa_pure_virtual () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#12 0x00007f3d3e0c596a in QPlatformScreen::physicalSize (this=<optimized out>) at kernel/qplatformscreen.cpp:131
#13 0x00007f3d3e0ff7b2 in QScreen::physicalSize (this=this@entry=0x12826b0) at kernel/qscreen.cpp:245
#14 0x00007f3d3e0ff869 in QScreen::physicalDotsPerInch (this=0x12826b0) at kernel/qscreen.cpp:168
#15 0x00007f3d4276bc49 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007f3d3ddbc9c9 in QMetaObject::activate (sender=sender@entry=0x1565be0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd864adad0) at kernel/qobject.cpp:3716
#17 0x00007f3d3ddbd057 in QMetaObject::activate (sender=sender@entry=0x1565be0, m=m@entry=0x7f3d3e524b80 <QWindow::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd864adad0) at kernel/qobject.cpp:3582
#18 0x00007f3d3e0dcd4f in QWindow::screenChanged (this=this@entry=0x1565be0, _t1=_t1@entry=0x55e7cd0) at .moc/moc_qwindow.cpp:626
#19 0x00007f3d3e0dd5a5 in QWindowPrivate::emitScreenChangedRecursion (this=this@entry=0x14c41f0, newScreen=newScreen@entry=0x55e7cd0) at kernel/qwindow.cpp:366
#20 0x00007f3d3e0e0cc3 in QWindowPrivate::setTopLevelScreen (this=0x14c41f0, newScreen=0x55e7cd0, recreate=<optimized out>) at kernel/qwindow.cpp:387
#21 0x00007f3d3e0e0e65 in QWindow::screenDestroyed (this=0x1565be0, object=<optimized out>) at kernel/qwindow.cpp:1713
#22 0x00007f3d3ddbc35a in call (a=0x7ffd864add20, r=0x1565be0, this=0x14c44c0) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#23 QMetaObject::activate (sender=sender@entry=0x12826b0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd864add20) at kernel/qobject.cpp:3702
#24 0x00007f3d3ddbd057 in QMetaObject::activate (sender=sender@entry=0x12826b0, m=m@entry=0x7f3d3dfde940 <QObject::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd864add20) at kernel/qobject.cpp:3582
#25 0x00007f3d3ddbd0ff in QObject::destroyed (this=this@entry=0x12826b0, _t1=_t1@entry=0x12826b0) at .moc/moc_qobject.cpp:206
#26 0x00007f3d3ddc5a8b in QObject::~QObject (this=0x12826b0, __in_chrg=<optimized out>) at kernel/qobject.cpp:903
#27 0x00007f3d3e0ff679 in QScreen::~QScreen (this=0x12826b0, __in_chrg=<optimized out>) at kernel/qscreen.cpp:77
#28 0x00007f3d3e0c5f2a in QPlatformScreen::~QPlatformScreen (this=0x1281e70, __in_chrg=<optimized out>) at kernel/qplatformscreen.cpp:57
#29 0x00007f3d30a0a769 in QXcbScreen::~QXcbScreen (this=0x1281e70, __in_chrg=<optimized out>) at qxcbscreen.cpp:222
#30 0x00007f3d309fd5ab in QXcbConnection::updateScreens (this=this@entry=0x1273af0) at qxcbconnection.cpp:286
#31 0x00007f3d309fe27d in QXcbConnection::handleXcbEvent (this=this@entry=0x1273af0, event=event@entry=0x7f3d28004680) at qxcbconnection.cpp:961
#32 0x00007f3d309ff4bb in QXcbConnection::processXcbEvents (this=0x1273af0) at qxcbconnection.cpp:1303
#33 0x00007f3d3ddbd73a in QObject::event (this=0x1273af0, e=<optimized out>) at kernel/qobject.cpp:1245
#34 0x00007f3d3e695b2c in QApplicationPrivate::notify_helper (this=0x1268420, receiver=0x1273af0, e=0x7f3d28005140) at kernel/qapplication.cpp:3720
#35 0x00007f3d3e69b000 in QApplication::notify (this=0x7ffd864ae860, receiver=0x1273af0, e=0x7f3d28005140) at kernel/qapplication.cpp:3503
#36 0x00007f3d3dd8bc2b in QCoreApplication::notifyInternal (this=0x7ffd864ae860, receiver=0x1273af0, event=event@entry=0x7f3d28005140) at kernel/qcoreapplication.cpp:935
#37 0x00007f3d3dd8dc9b in sendEvent (event=0x7f3d28005140, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#38 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x125df00) at kernel/qcoreapplication.cpp:1552
#39 0x00007f3d3dd8e298 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#40 0x00007f3d3dde4843 in postEventSourceDispatch (s=0x129b1e0) at kernel/qeventdispatcher_glib.cpp:271
#41 0x00007f3d39dfcc3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007f3d39dfcf20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007f3d39dfcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x00007f3d3dde4c57 in QEventDispatcherGlib::processEvents (this=0x129b260, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#45 0x00007f3d3dd893e2 in QEventLoop::exec (this=this@entry=0x7ffd864ae6e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#46 0x00007f3d3dd9102c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#47 0x00000000004301b3 in main ()

Possible duplicates by query: bug 346479, bug 346156, bug 345955, bug 345791, bug 345544.

Reported using DrKonqi
Comment 1 David Edmundson 2015-04-29 21:58:55 UTC 

*** This bug has been marked as a duplicate of bug 345544 ***