Bug 347910

Summary: Plasma crashes while computer is idle/inactive
Product: [Plasma] plasmashell Reporter: David Wahlstrom <david.wahlstrom>
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 David Wahlstrom 2015-05-18 18:15:08 UTC 
Application: plasmashell (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-17-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
My laptop was idle/unused.  I assume the screensaver was on, but cannot confirm.  I rebooted this morning and logged in and only started x11vnc.  After starting x11vnc, i stepped away from my laptop for a few hours.  When I came back, I had a notification that plasma crashed.

-- 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 0x7fab868437c0 (LWP 2674))]

Thread 43 (Thread 0x7fab736b4700 (LWP 2675)):
#0  0x00007fab815f88dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fab83b65b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fab83b6764f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fab76243099 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#4  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab80e7f6aa in start_thread (arg=0x7fab736b4700) at pthread_create.c:333
#6  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 42 (Thread 0x7fab70b35700 (LWP 2691)):
#0  0x00007fab7dd482fb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab7dd0496c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fab80e7f6aa in start_thread (arg=0x7fab70b35700) at pthread_create.c:333
#10 0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 41 (Thread 0x7fab5c0f2700 (LWP 2757)):
#0  0x00007fab815fa0b7 in ioctl () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fab5f977919 in uki_firegl_MicroSleep () from /usr/lib/libatiuki.so.1
#2  0x00007fab618d8920 in ?? () from /usr/lib/dri/fglrx_dri.so
#3  0x00007fab61069d72 in ?? () from /usr/lib/dri/fglrx_dri.so
#4  0x00007fab61069dc5 in ?? () from /usr/lib/dri/fglrx_dri.so
#5  0x00007fab80e7f6aa in start_thread (arg=0x7fab5c0f2700) at pthread_create.c:333
#6  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 40 (Thread 0x7fab5a8d8700 (LWP 2799)):
#0  0x00007fab7dd497a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab7dd048b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fab80e7f6aa in start_thread (arg=0x7fab5a8d8700) at pthread_create.c:333
#10 0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 39 (Thread 0x7fab58bce700 (LWP 2963)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fab85983644 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007fab85983689 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007fab80e7f6aa in start_thread (arg=0x7fab58bce700) at pthread_create.c:333
#4  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 38 (Thread 0x7fab539bb700 (LWP 2966)):
#0  update_get_addr (ti=0x7fab82113680) at dl-tls.c:800
#1  0x00007fab81c78a12 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fab81f101ba in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fab7dd043fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab7dd04de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fab80e7f6aa in start_thread (arg=0x7fab539bb700) at pthread_create.c:333
#12 0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 37 (Thread 0x7fab522d5700 (LWP 2970)):
#0  0x00007fab815f88dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fab7dd04ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fab80e7f6aa in start_thread (arg=0x7fab522d5700) at pthread_create.c:333
#9  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 36 (Thread 0x7fab511f4700 (LWP 2973)):
#0  __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:65
#1  0x00007fab815f88d2 in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007fab7dd04ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fab80e7f6aa in start_thread (arg=0x7fab511f4700) at pthread_create.c:333
#10 0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 35 (Thread 0x7faabffff700 (LWP 2976)):
#0  0x00007fab7dd49789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab7dd048cc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fab80e7f6aa in start_thread (arg=0x7faabffff700) at pthread_create.c:333
#10 0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 34 (Thread 0x7faabefee700 (LWP 2977)):
#0  0x00007fab7dd497a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab7dd04fd6 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab80e7f6aa in start_thread (arg=0x7faabefee700) at pthread_create.c:333
#8  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 33 (Thread 0x7faabdeed700 (LWP 2978)):
#0  0x00007fab81f10257 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007fab7dd048c1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fab80e7f6aa in start_thread (arg=0x7faabdeed700) at pthread_create.c:333
#10 0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 32 (Thread 0x7faabcdec700 (LWP 2981)):
#0  0x00007fab7dd043e4 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab7dd04de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fab80e7f6aa in start_thread (arg=0x7faabcdec700) at pthread_create.c:333
#9  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 31 (Thread 0x7faaaf7ff700 (LWP 2982)):
#0  0x00007fab7dd49789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab7dd048cc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fab80e7f6aa in start_thread (arg=0x7faaaf7ff700) at pthread_create.c:333
#10 0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 30 (Thread 0x7faaae7fe700 (LWP 2984)):
#0  0x00007fab81f10010 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007fab7dd043fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fab80e7f6aa in start_thread (arg=0x7faaae7fe700) at pthread_create.c:333
#10 0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 29 (Thread 0x7faaad2df700 (LWP 2987)):
#0  0x00007fab7dd49780 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab7dd048cc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fab80e7f6aa in start_thread (arg=0x7faaad2df700) at pthread_create.c:333
#10 0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 28 (Thread 0x7faa9b950700 (LWP 2992)):
#0  0x00007fab7dd497a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab7dd043f0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab864ecb56 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fab80e7f6aa in start_thread (arg=0x7faa9b950700) at pthread_create.c:333
#10 0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 27 (Thread 0x7faa9ad66700 (LWP 2995)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fab81c7ac6b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fab8655efab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007fab8655f3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab80e7f6aa in start_thread (arg=0x7faa9ad66700) at pthread_create.c:333
#6  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 26 (Thread 0x7faa99565700 (LWP 3032)):
#0  0x00007fab7dd497a0 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab7dd04fd6 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab80e7f6aa in start_thread (arg=0x7faa99565700) at pthread_create.c:333
#8  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 25 (Thread 0x7faa89ecd700 (LWP 3216)):
#0  0x00007fab815f88dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fab7dd04ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fab80e7f6aa in start_thread (arg=0x7faa89ecd700) at pthread_create.c:333
#9  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 24 (Thread 0x7faa88dca700 (LWP 3217)):
#0  0x00007fab815f88dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fab7dd04ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fab80e7f6aa in start_thread (arg=0x7faa88dca700) at pthread_create.c:333
#9  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 23 (Thread 0x7faa837ff700 (LWP 3218)):
#0  0x00007fab7dd04901 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab7dd04e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fab80e7f6aa in start_thread (arg=0x7faa837ff700) at pthread_create.c:333
#9  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 22 (Thread 0x7faa827fe700 (LWP 3219)):
#0  0x00007fab7dd497a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab7dd048b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fab80e7f6aa in start_thread (arg=0x7faa827fe700) at pthread_create.c:333
#10 0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7faa817fd700 (LWP 3221)):
#0  0x00007fab7dd497a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab7dd04eb1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fab80e7f6aa in start_thread (arg=0x7faa817fd700) at pthread_create.c:333
#9  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7faa6ffff700 (LWP 3222)):
#0  0x00007fab815f88dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fab7dd04ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fab80e7f6aa in start_thread (arg=0x7faa6ffff700) at pthread_create.c:333
#9  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7faa6effe700 (LWP 3223)):
#0  0x00007fab815f88dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fab7dd04ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fab80e7f6aa in start_thread (arg=0x7faa6effe700) at pthread_create.c:333
#9  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7faa6dffd700 (LWP 3224)):
#0  0x00007fab7dd497a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab7dd04e76 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fab80e7f6aa in start_thread (arg=0x7faa6dffd700) at pthread_create.c:333
#9  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7faa6cffc700 (LWP 3225)):
#0  _dl_update_slotinfo (req_modid=1) at dl-tls.c:644
#1  0x00007fab867ec87c in update_get_addr (ti=0x7fab82113680) at dl-tls.c:801
#2  0x00007fab81c78a12 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fab81f10591 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fab7dd048c1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fab7dd04e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fab80e7f6aa in start_thread (arg=0x7faa6cffc700) at pthread_create.c:333
#13 0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7faa5f7ff700 (LWP 3226)):
#0  0x00007fab7dd497a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab7dd04852 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fab80e7f6aa in start_thread (arg=0x7faa5f7ff700) at pthread_create.c:333
#10 0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7faa5e7fe700 (LWP 3227)):
#0  0x00007fab7dd4924a in g_private_get () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab7dd2be00 in g_thread_self () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd03ddc in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab7dd04d75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fab80e7f6aa in start_thread (arg=0x7faa5e7fe700) at pthread_create.c:333
#11 0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7faa5d7fd700 (LWP 3228)):
#0  0x00007fab815f449d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fab7dd482f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd0496c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab7dd04e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fab80e7f6aa in start_thread (arg=0x7faa5d7fd700) at pthread_create.c:333
#11 0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7faa4bfff700 (LWP 3229)):
#0  0x00007fab7dd04737 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab7dd04e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fab80e7f6aa in start_thread (arg=0x7faa4bfff700) at pthread_create.c:333
#9  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7faa4affe700 (LWP 3230)):
#0  0x00007fab7dd01f2f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab7dd0439b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fab80e7f6aa in start_thread (arg=0x7faa4affe700) at pthread_create.c:333
#10 0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7faa4227c700 (LWP 3238)):
#0  0x00007fab7dd497a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab7dd04fd6 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007faa4859dcf7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#6  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab80e7f6aa in start_thread (arg=0x7faa4227c700) at pthread_create.c:333
#8  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7faa4146a700 (LWP 3239)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fab81c7ac6b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fab8655efab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007fab8655f3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab80e7f6aa in start_thread (arg=0x7faa4146a700) at pthread_create.c:333
#6  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7faa3fb69700 (LWP 3240)):
#0  0x00007fab7dd49789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fab7dd0473e in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fab80e7f6aa in start_thread (arg=0x7faa3fb69700) at pthread_create.c:333
#10 0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7faa3ea68700 (LWP 3241)):
#0  0x00007fab815f449d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fab7dd482f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd0496c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab7dd04e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fab80e7f6aa in start_thread (arg=0x7faa3ea68700) at pthread_create.c:333
#11 0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7faa3b589700 (LWP 3422)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fab81c7ac6b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fab8655efab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007fab8655f3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab80e7f6aa in start_thread (arg=0x7faa3b589700) at pthread_create.c:333
#6  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7faa373fd700 (LWP 3615)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fab81c7ac6b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fab8655efab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007fab8655f3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab80e7f6aa in start_thread (arg=0x7faa373fd700) at pthread_create.c:333
#6  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7faa35a70700 (LWP 3620)):
#0  0x00007fab815f88dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fab7dd04ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fab81f10c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab81c74b44 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fab83a02f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fab80e7f6aa in start_thread (arg=0x7faa35a70700) at pthread_create.c:333
#9  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7faa34963700 (LWP 3621)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fab81c7ac6b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fab8655efab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007fab8655f3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab80e7f6aa in start_thread (arg=0x7faa34963700) at pthread_create.c:333
#6  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7faa325d0700 (LWP 3931)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fab81c7ac6b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fab8655efab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007fab8655f3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab80e7f6aa in start_thread (arg=0x7faa325d0700) at pthread_create.c:333
#6  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7faa30cc0700 (LWP 4246)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fab81c7ac6b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fab8655efab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007fab8655f3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fab81c79b0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fab80e7f6aa in start_thread (arg=0x7faa30cc0700) at pthread_create.c:333
#6  0x00007fab81603eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fab868437c0 (LWP 2674)):
[KCrash Handler]
#6  KXErrorHandler::handle (this=0x91, dpy=0xd82930, e=0x7ffd1cfc9fc0) at ../../src/kxerrorhandler.cpp:109
#7  0x00007fab861bf07e in KXErrorHandler::handler_wrapper (dpy=<optimized out>, e=<optimized out>) at ../../src/kxerrorhandler.cpp:102
#8  0x00007fab83db97ed in _XError (dpy=dpy@entry=0xd82930, rep=rep@entry=0x7fab6c003bb0) at ../../src/XlibInt.c:1463
#9  0x00007fab83db67e7 in handle_error (dpy=dpy@entry=0xd82930, err=0x7fab6c003bb0, in_XReply=in_XReply@entry=1) at ../../src/xcb_io.c:213
#10 0x00007fab83db78b1 in _XReply (dpy=dpy@entry=0xd82930, rep=rep@entry=0x7ffd1cfca160, extra=extra@entry=0, discard=discard@entry=0) at ../../src/xcb_io.c:699
#11 0x00007fab83d9e4c6 in XGetWindowProperty (dpy=0xd82930, w=106954770, property=property@entry=67, offset=offset@entry=0, length=length@entry=8192, delete=delete@entry=0, req_type=31, actual_type=0x7ffd1cfca220, actual_format=0x7ffd1cfca21c, nitems=0x7ffd1cfca228, bytesafter=0x7ffd1cfca230, prop=0x7ffd1cfca238) at ../../src/GetProp.c:69
#12 0x00007fab83d9d72d in XGetClassHint (dpy=<optimized out>, w=<optimized out>, classhint=0x7ffd1cfca270) at ../../src/GetHints.c:311
#13 0x00007faa8ac96c93 in TaskManager::Task::classClass (this=this@entry=0x684e5e0) at ../../libtaskmanager/task_x11.cpp:76
#14 0x00007faa8ac87aca in TaskManager::TaskItem::launcherUrlFromTask (groupManager=0x25da360, task=0x684e5e0, startup=startup@entry=0x0) at ../../libtaskmanager/taskitem.cpp:584
#15 0x00007faa8ac638f7 in TaskManager::GroupManagerPrivate::addTask (this=this@entry=0x25db660, task=0x684e5e0) at ../../libtaskmanager/groupmanager.cpp:373
#16 0x00007faa8ac668d2 in TaskManager::GroupManagerPrivate::taskChanged (this=0x25db660, task=0x684e5e0, changes=...) at ../../libtaskmanager/groupmanager.cpp:658
#17 0x00007faa8ac67a76 in TaskManager::GroupManager::qt_static_metacall (_o=0x25da360, _c=14166320, _id=486318016, _a=0x7ffd1cfca6f0) at ./moc_groupmanager.cpp:277
#18 0x00007fab81ee89c9 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007faa8ac8ad7a in TaskManager::TaskManager::windowChanged (this=this@entry=0x7faa8aeb5f90 <TaskManager::(anonymous namespace)::Q_QGS_privateTaskManagerSelf::innerFunction()::holder>, _t1=0x684e5e0, _t2=...) at ./moc_taskmanager.cpp:346
#20 0x00007faa8ac8b396 in TaskManager::TaskManager::taskChanged (this=0x7faa8aeb5f90 <TaskManager::(anonymous namespace)::Q_QGS_privateTaskManagerSelf::innerFunction()::holder>, changes=...) at ../../libtaskmanager/taskmanager.cpp:385
#21 0x00007faa8ac8da3c in TaskManager::TaskManager::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./moc_taskmanager.cpp:181
#22 0x00007fab81ee89c9 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007faa8ac98218 in TaskManager::Task::changed (this=this@entry=0x684e5e0, _t1=...) at moc_task.cpp:354
#24 0x00007faa8ac7a4a2 in TaskManager::Task::refresh (this=this@entry=0x684e5e0, dirty=...) at ../../libtaskmanager/task.cpp:161
#25 0x00007faa8ac8d4ca in TaskManager::TaskManager::windowChanged (this=<optimized out>, w=106954770, dirty=0x7ffd1cfcac50) at ../../libtaskmanager/taskmanager.cpp:372
#26 0x00007faa8ac8d9c8 in TaskManager::TaskManager::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./moc_taskmanager.cpp:174
#27 0x00007fab81ee89c9 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007fab861da4bb in KWindowSystem::windowChanged (this=<optimized out>, _t1=106954770, _t2=0x7ffd1cfcac50) at moc_kwindowsystem.cpp:347
#29 0x00007fab861c2d1b in NETEventFilter::nativeEventFilter (this=0x256db50, ev=0x7fab6c003400) at ../../src/kwindowsystem_x11.cpp:261
#30 0x00007fab81eb4510 in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007fab7624202d in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#32 0x00007fab762434bb in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#33 0x00007fab81ee973a in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007fab827c1b2c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007fab827c7000 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#36 0x00007fab81eb7c2b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007fab81eb9c9b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007fab81f10843 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007fab7dd04c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007fab7dd04f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007fab7dd04fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007fab81f10c57 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#43 0x00007fab81eb53e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x00007fab81ebd02c 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 347265, bug 347162, bug 345755, bug 344069, bug 340640.

Reported using DrKonqi
Comment 1 David Edmundson 2015-05-19 23:39:11 UTC 

*** This bug has been marked as a duplicate of bug 340583 ***
Comment 2 David Edmundson 2015-05-19 23:39:37 UTC 
Should be fixed in newer releases.