Bug 349415

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

Description DDR 2015-06-20 13:00:45 UTC 
Application: plasmashell (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-21-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- alt-f2 to open kcalc (k-c-a-enter)
- 1000/60
- alt-f4 to close kcalc
- crash

Repeated six times, including the first time, the crash occured the first two times but not the next four times.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9e9a30f7c0 (LWP 1640))]

Thread 44 (Thread 0x7f9e87183700 (LWP 1641)):
#0  0x00007f9e950bb8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9e97628b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f9e9762a64f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f9e89d12099 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#4  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e949426aa in start_thread (arg=0x7f9e87183700) at pthread_create.c:333
#6  0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 43 (Thread 0x7f9e7ffff700 (LWP 1649)):
#0  0x00007f9e9180c7a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9e917c7d6d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9e949426aa in start_thread (arg=0x7f9e7ffff700) at pthread_create.c:333
#9  0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 42 (Thread 0x7f9e6fb58700 (LWP 1684)):
#0  __new_sem_wait_fast (definitive_result=1, sem=<optimized out>) at sem_waitcommon.c:234
#1  __new_sem_trywait (sem=0xb64070) at sem_wait.c:68
#2  0x00007f9e736f18fb in ?? () from /usr/lib/dri/fglrx_dri.so
#3  0x00007f9e72e82d72 in ?? () from /usr/lib/dri/fglrx_dri.so
#4  0x00007f9e72e82dc5 in ?? () from /usr/lib/dri/fglrx_dri.so
#5  0x00007f9e949426aa in start_thread (arg=0x7f9e6fb58700) at pthread_create.c:333
#6  0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 41 (Thread 0x7f9e6e33e700 (LWP 1693)):
#0  0x00007f9e917c77fb in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9e917c7e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9e949426aa in start_thread (arg=0x7f9e6e33e700) at pthread_create.c:333
#9  0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 40 (Thread 0x7f9e67fff700 (LWP 1711)):
#0  0x00007f9e9180c789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9e917c7dbd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9e949426aa in start_thread (arg=0x7f9e67fff700) at pthread_create.c:333
#9  0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 39 (Thread 0x7f9e66ffe700 (LWP 1712)):
#0  0x00007f9e9180c789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9e917c773e in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e949426aa in start_thread (arg=0x7f9e66ffe700) at pthread_create.c:333
#10 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 38 (Thread 0x7f9e65ffd700 (LWP 1713)):
#0  0x00007f9e9180c789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9e917c78cc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e949426aa in start_thread (arg=0x7f9e65ffd700) at pthread_create.c:333
#10 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 37 (Thread 0x7f9e64ffc700 (LWP 1714)):
#0  0x00007f9e9180c789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9e917c72d7 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e949426aa in start_thread (arg=0x7f9e64ffc700) at pthread_create.c:333
#10 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 36 (Thread 0x7f9e537ff700 (LWP 1715)):
#0  0x00007f9e9180c7a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9e917c73f0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e949426aa in start_thread (arg=0x7f9e537ff700) at pthread_create.c:333
#10 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 35 (Thread 0x7f9e527fe700 (LWP 1716)):
#0  0x00007f9e950bb8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9e917c7ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9e949426aa in start_thread (arg=0x7f9e527fe700) at pthread_create.c:333
#9  0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 34 (Thread 0x7f9e517fd700 (LWP 1717)):
#0  0x00007f9e950b749d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9e9180b2f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c796c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c7e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f9e949426aa in start_thread (arg=0x7f9e517fd700) at pthread_create.c:333
#11 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 33 (Thread 0x7f9e3ffff700 (LWP 1719)):
#0  0x00007f9e950d537e in __GI___clock_gettime (clock_id=1, tp=0x7f9e3fffeb40) at ../sysdeps/unix/clock_gettime.c:115
#1  0x00007f9e957f2cb6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f9e959d1639 in QTimerInfoList::updateCurrentTime() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f9e959d1ba5 in QTimerInfoList::timerWait(timespec&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9e959d303e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e917c73fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f9e917c7de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f9e949426aa in start_thread (arg=0x7f9e3ffff700) at pthread_create.c:333
#14 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 32 (Thread 0x7f9e3effe700 (LWP 1720)):
#0  0x00007f9e917c7ea2 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e949426aa in start_thread (arg=0x7f9e3effe700) at pthread_create.c:333
#8  0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 31 (Thread 0x7f9e3dffd700 (LWP 1721)):
#0  0x00007f9e917c4eb0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9e917c739b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e949426aa in start_thread (arg=0x7f9e3dffd700) at pthread_create.c:333
#10 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 30 (Thread 0x7f9e3cffc700 (LWP 1722)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9e99446644 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f9e99446689 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f9e949426aa in start_thread (arg=0x7f9e3cffc700) at pthread_create.c:333
#4  0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 29 (Thread 0x7f9daffff700 (LWP 1723)):
#0  0x00007f9e9180c789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9e917c7641 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7e37 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e949426aa in start_thread (arg=0x7f9daffff700) at pthread_create.c:333
#10 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 28 (Thread 0x7f9daed18700 (LWP 1741)):
#0  0x00007f9e959d31e4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f9e917c73fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e949426aa in start_thread (arg=0x7f9daed18700) at pthread_create.c:333
#10 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 27 (Thread 0x7f9dad462700 (LWP 1742)):
#0  0x00007f9e9180c789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9e917c7641 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7e37 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e99fafb56 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e949426aa in start_thread (arg=0x7f9dad462700) at pthread_create.c:333
#10 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 26 (Thread 0x7f9dacc61700 (LWP 1748)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9e9573dc6b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f9e9a021fab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f9e9a0223a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e949426aa in start_thread (arg=0x7f9dacc61700) at pthread_create.c:333
#6  0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 25 (Thread 0x7f9d9ded3700 (LWP 1757)):
#0  0x00007f9e9180c789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9e917c7a16 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e949426aa in start_thread (arg=0x7f9d9ded3700) at pthread_create.c:333
#10 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 24 (Thread 0x7f9d92229700 (LWP 1821)):
#0  0x00007f9e9573ba1c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f9e959d31ba in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f9e917c73fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c7de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f9e949426aa in start_thread (arg=0x7f9d92229700) at pthread_create.c:333
#11 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 23 (Thread 0x7f9d91126700 (LWP 1822)):
#0  0x00007f9e957f2c90 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f9e959d1639 in QTimerInfoList::updateCurrentTime() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f9e959d1ba5 in QTimerInfoList::timerWait(timespec&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f9e959d303e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9e917c73fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9e917c7de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f9e949426aa in start_thread (arg=0x7f9d91126700) at pthread_create.c:333
#13 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 22 (Thread 0x7f9d8bfff700 (LWP 1825)):
#0  0x00007f9e950b749d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9e9180b2f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c796c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c7e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f9e949426aa in start_thread (arg=0x7f9d8bfff700) at pthread_create.c:333
#11 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7f9d8af1e700 (LWP 1826)):
#0  0x00007f9e9180c789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9e917c7409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e949426aa in start_thread (arg=0x7f9d8af1e700) at pthread_create.c:333
#10 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7f9d89e1d700 (LWP 1827)):
#0  0x00007f9e950bb8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9e917c7ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9e949426aa in start_thread (arg=0x7f9d89e1d700) at pthread_create.c:333
#9  0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7f9d88d1a700 (LWP 1828)):
#0  0x00007f9e9180c7a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9e917c7490 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e949426aa in start_thread (arg=0x7f9d88d1a700) at pthread_create.c:333
#10 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7f9d777ff700 (LWP 1831)):
#0  0x00007f9e917c73e4 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9e917c7de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9e949426aa in start_thread (arg=0x7f9d777ff700) at pthread_create.c:333
#9  0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7f9d767fe700 (LWP 1832)):
#0  0x00007f9e959d31e4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f9e917c73fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e949426aa in start_thread (arg=0x7f9d767fe700) at pthread_create.c:333
#10 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7f9d757fd700 (LWP 1845)):
#0  0x00007f9e9180c7a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9e917c7e76 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9e949426aa in start_thread (arg=0x7f9d757fd700) at pthread_create.c:333
#9  0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f9d63fff700 (LWP 1848)):
#0  0x00007f9e950bb8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9e917c7ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9e949426aa in start_thread (arg=0x7f9d63fff700) at pthread_create.c:333
#9  0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f9d62ffe700 (LWP 1849)):
#0  0x00007f9e917c7e9d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e949426aa in start_thread (arg=0x7f9d62ffe700) at pthread_create.c:333
#8  0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f9d61ffd700 (LWP 1851)):
#0  0x00007f9e950b749d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9e9180b2f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c796c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c7e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f9e949426aa in start_thread (arg=0x7f9d61ffd700) at pthread_create.c:333
#11 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f9d60ffc700 (LWP 1852)):
#0  0x00007f9e959d1b9c in QTimerInfoList::timerWait(timespec&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f9e959d303e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f9e917c73fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c7de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f9e949426aa in start_thread (arg=0x7f9d60ffc700) at pthread_create.c:333
#11 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f9d5b7ff700 (LWP 1853)):
#0  0x00007f9e9180c7a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9e917c7852 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e949426aa in start_thread (arg=0x7f9d5b7ff700) at pthread_create.c:333
#10 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f9d52596700 (LWP 2027)):
#0  0x00007f9e9180c789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9e917c6df0 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7d75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9d58992cf7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#8  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e949426aa in start_thread (arg=0x7f9d52596700) at pthread_create.c:333
#10 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f9d51783700 (LWP 2032)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9e9573dc6b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f9e9a021fab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f9e9a0223a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e949426aa in start_thread (arg=0x7f9d51783700) at pthread_create.c:333
#6  0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f9d4ff82700 (LWP 2054)):
#0  0x00007f9e9180c789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9e917c7409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e949426aa in start_thread (arg=0x7f9d4ff82700) at pthread_create.c:333
#10 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f9d4ef81700 (LWP 2055)):
#0  0x00007f9e950bb8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9e917c7ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9e949426aa in start_thread (arg=0x7f9d4ef81700) at pthread_create.c:333
#9  0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f9d4a9ff700 (LWP 2099)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9e9573dc6b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f9e9a021fab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f9e9a0223a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e949426aa in start_thread (arg=0x7f9d4a9ff700) at pthread_create.c:333
#6  0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f9d48eb7700 (LWP 2118)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9e9573dc6b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f9e9a021fab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f9e9a0223a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e949426aa in start_thread (arg=0x7f9d48eb7700) at pthread_create.c:333
#6  0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f9d473ab700 (LWP 2133)):
#0  __libc_disable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:98
#1  0x00007f9e950b74a9 in read () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007f9e9180b2f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e917c796c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e917c7e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f9e959d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9e95737b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e974c5f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f9e949426aa in start_thread (arg=0x7f9d473ab700) at pthread_create.c:333
#12 0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f9d462a9700 (LWP 2134)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9e9573dc6b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f9e9a021fab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f9e9a0223a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e949426aa in start_thread (arg=0x7f9d462a9700) at pthread_create.c:333
#6  0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f9d4499d700 (LWP 2227)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9e9573dc6b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f9e9a021fab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f9e9a0223a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f9e9573cb0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e949426aa in start_thread (arg=0x7f9d4499d700) at pthread_create.c:333
#6  0x00007f9e950c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f9e9a30f7c0 (LWP 1640)):
[KCrash Handler]
#6  KXErrorHandler::handle (this=0x91, dpy=0x925990, e=0x7fff4e5e2e10) at ../../src/kxerrorhandler.cpp:109
#7  0x00007f9e99c8207e in KXErrorHandler::handler_wrapper (dpy=<optimized out>, e=<optimized out>) at ../../src/kxerrorhandler.cpp:102
#8  0x00007f9e9787c7ed in _XError (dpy=dpy@entry=0x925990, rep=rep@entry=0x7f9e8000ac50) at ../../src/XlibInt.c:1463
#9  0x00007f9e978797e7 in handle_error (dpy=dpy@entry=0x925990, err=0x7f9e8000ac50, in_XReply=in_XReply@entry=1) at ../../src/xcb_io.c:213
#10 0x00007f9e9787a8b1 in _XReply (dpy=dpy@entry=0x925990, rep=rep@entry=0x7fff4e5e2fb0, extra=extra@entry=0, discard=discard@entry=0) at ../../src/xcb_io.c:699
#11 0x00007f9e978614c6 in XGetWindowProperty (dpy=0x925990, w=123731991, property=property@entry=67, offset=offset@entry=0, length=length@entry=8192, delete=delete@entry=0, req_type=31, actual_type=0x7fff4e5e3070, actual_format=0x7fff4e5e306c, nitems=0x7fff4e5e3078, bytesafter=0x7fff4e5e3080, prop=0x7fff4e5e3088) at ../../src/GetProp.c:69
#12 0x00007f9e9786072d in XGetClassHint (dpy=<optimized out>, w=<optimized out>, classhint=0x7fff4e5e30c0) at ../../src/GetHints.c:311
#13 0x00007f9d9311cc93 in TaskManager::Task::classClass (this=this@entry=0x61208f0) at ../../libtaskmanager/task_x11.cpp:76
#14 0x00007f9d9310daca in TaskManager::TaskItem::launcherUrlFromTask (groupManager=0x25d1af0, task=0x61208f0, startup=startup@entry=0x0) at ../../libtaskmanager/taskitem.cpp:584
#15 0x00007f9d930e98f7 in TaskManager::GroupManagerPrivate::addTask (this=this@entry=0x25d2440, task=0x61208f0) at ../../libtaskmanager/groupmanager.cpp:373
#16 0x00007f9d930ec8d2 in TaskManager::GroupManagerPrivate::taskChanged (this=0x25d2440, task=0x61208f0, changes=...) at ../../libtaskmanager/groupmanager.cpp:658
#17 0x00007f9d930eda76 in TaskManager::GroupManager::qt_static_metacall (_o=0x25d1af0, _c=9591184, _id=1314795024, _a=0x7fff4e5e3540) at ./moc_groupmanager.cpp:277
#18 0x00007f9e959ab9c9 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f9d93110d7a in TaskManager::TaskManager::windowChanged (this=this@entry=0x7f9d9333bf90 <TaskManager::(anonymous namespace)::Q_QGS_privateTaskManagerSelf::innerFunction()::holder>, _t1=0x61208f0, _t2=...) at ./moc_taskmanager.cpp:346
#20 0x00007f9d93111396 in TaskManager::TaskManager::taskChanged (this=0x7f9d9333bf90 <TaskManager::(anonymous namespace)::Q_QGS_privateTaskManagerSelf::innerFunction()::holder>, changes=...) at ../../libtaskmanager/taskmanager.cpp:385
#21 0x00007f9d93113a3c in TaskManager::TaskManager::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./moc_taskmanager.cpp:181
#22 0x00007f9e959ab9c9 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f9d9311e218 in TaskManager::Task::changed (this=this@entry=0x61208f0, _t1=...) at moc_task.cpp:354
#24 0x00007f9d931004a2 in TaskManager::Task::refresh (this=this@entry=0x61208f0, dirty=...) at ../../libtaskmanager/task.cpp:161
#25 0x00007f9d931134ca in TaskManager::TaskManager::windowChanged (this=<optimized out>, w=123731991, dirty=0x7fff4e5e3aa0) at ../../libtaskmanager/taskmanager.cpp:372
#26 0x00007f9d931139c8 in TaskManager::TaskManager::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./moc_taskmanager.cpp:174
#27 0x00007f9e959ab9c9 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f9e99c9d4bb in KWindowSystem::windowChanged (this=<optimized out>, _t1=123731991, _t2=0x7fff4e5e3aa0) at moc_kwindowsystem.cpp:347
#29 0x00007f9e99c85d1b in NETEventFilter::nativeEventFilter (this=0x22c9f30, ev=0x7f9e80003820) at ../../src/kwindowsystem_x11.cpp:261
#30 0x00007f9e95977510 in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007f9e89d1102d in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#32 0x00007f9e89d124bb in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#33 0x00007f9e959ac73a in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f9e96284b2c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007f9e9628a000 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#36 0x00007f9e9597ac2b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007f9e9597cc9b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007f9e959d3843 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007f9e917c7c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f9e917c7f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007f9e917c7fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007f9e959d3c57 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#43 0x00007f9e959783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x00007f9e9598002c in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#45 0x000000000042fd9b in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:158

Possible duplicates by query: bug 349235, bug 348953, bug 348930, bug 348883, bug 348629.

Reported using DrKonqi
Comment 1 Bhushan Shah 2015-06-20 13:02:08 UTC 

*** This bug has been marked as a duplicate of bug 340583 ***
Comment 2 DDR 2015-06-20 13:03:39 UTC 
Ah, thanks. The bug-report GUI wouldn't let me mark it as a duplicate of anything.