Application: akonadiserver (5.4.2)

Qt Version: 5.7.1
Frameworks Version: 5.31.0
Operating System: Linux 4.4.0-64-generic x86_64
Distribution: KDE neon LTS User Edition 5.8

-- Information about the crash:
- What I was doing when the application crashed:

I was opening various mailboxes in KMail, when the Akonadi server crashed.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Akonadi Server (akonadiserver), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f33726198c0 (LWP 2584))]

Thread 35 (Thread 0x7f32d1ffb700 (LWP 15827)):
#0  0x00007fff1f94e9a9 in ?? ()
#1  0x00007fff1f94ecd5 in clock_gettime ()
#2  0x00007f33710ebc86 in __GI___clock_gettime (clock_id=1, tp=0x7f32d1ffaa70) at ../sysdeps/unix/clock_gettime.c:115
#3  0x00007f3371a8c241 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3371c053d9 in QTimerInfoList::updateCurrentTime() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3371c05945 in QTimerInfoList::timerWait(timespec&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f3371c06fac in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f336e62991d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f336e62a2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f33700f96ba in start_thread (arg=0x7f32d1ffb700) at pthread_create.c:333
#15 0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 34 (Thread 0x7f32e97fa700 (LWP 15769)):
#0  0x00007f3371c05939 in QTimerInfoList::timerWait(timespec&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f3371c06fac in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f336e62991d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f336e62a2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f33700f96ba in start_thread (arg=0x7f32e97fa700) at pthread_create.c:333
#10 0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 33 (Thread 0x7f32e9ffb700 (LWP 15768)):
#0  0x00007f33710d1b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f336e62a38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33700f96ba in start_thread (arg=0x7f32e9ffb700) at pthread_create.c:333
#8  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 32 (Thread 0x7f32ea7fc700 (LWP 2638)):
#0  0x00007f33701002db in __GI___pthread_getspecific (key=2) at pthread_getspecific.c:31
#1  0x00007f336e651060 in g_thread_self () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62930c in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f336e62a245 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f33700f96ba in start_thread (arg=0x7f32ea7fc700) at pthread_create.c:333
#10 0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 31 (Thread 0x7f32eaffd700 (LWP 2637)):
#0  0x00007f336e66ea94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f336e62a4a6 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33700f96ba in start_thread (arg=0x7f32eaffd700) at pthread_create.c:333
#7  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 30 (Thread 0x7f32eb7fe700 (LWP 2636)):
#0  0x00007f33710d1b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f336e62a38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33700f96ba in start_thread (arg=0x7f32eb7fe700) at pthread_create.c:333
#8  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 29 (Thread 0x7f32ebfff700 (LWP 2632)):
#0  0x00007f336e66ea79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f336e629b41 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62a307 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f33700f96ba in start_thread (arg=0x7f32ebfff700) at pthread_create.c:333
#9  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 28 (Thread 0x7f3308ff9700 (LWP 2631)):
#0  0x00007fff1f94e9a9 in ?? ()
#1  0x00007fff1f94ecd5 in clock_gettime ()
#2  0x00007f33710ebc86 in __GI___clock_gettime (clock_id=1, tp=0x7f3308ff8a70) at ../sysdeps/unix/clock_gettime.c:115
#3  0x00007f3371a8c241 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3371c053d9 in QTimerInfoList::updateCurrentTime() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3371c05945 in QTimerInfoList::timerWait(timespec&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f3371c06fac in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f336e62991d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f336e62a2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f33700f96ba in start_thread (arg=0x7f3308ff9700) at pthread_create.c:333
#15 0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 27 (Thread 0x7f33097fa700 (LWP 2628)):
#0  0x00007f336e66ea79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f336e629929 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62a2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f33700f96ba in start_thread (arg=0x7f33097fa700) at pthread_create.c:333
#9  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 26 (Thread 0x7f3309ffb700 (LWP 2626)):
#0  0x00007fff1f94e9a9 in ?? ()
#1  0x00007fff1f94ecd5 in clock_gettime ()
#2  0x00007f33710ebc86 in __GI___clock_gettime (clock_id=1, tp=0x7f3309ffaad0) at ../sysdeps/unix/clock_gettime.c:115
#3  0x00007f3371a8c241 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3371c053d9 in QTimerInfoList::updateCurrentTime() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3371c06c56 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f336e629dc1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f336e62a330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f33700f96ba in start_thread (arg=0x7f3309ffb700) at pthread_create.c:333
#14 0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 25 (Thread 0x7f330a7fc700 (LWP 2625)):
#0  0x00007f336e66ea94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f336e6299a0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62a2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f33700f96ba in start_thread (arg=0x7f330a7fc700) at pthread_create.c:333
#9  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 24 (Thread 0x7f330affd700 (LWP 2620)):
#0  0x00007fff1f94eb16 in clock_gettime ()
#1  0x00007f33710ebc86 in __GI___clock_gettime (clock_id=1, tp=0x7f330affca70) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f3371a8c241 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f3371c053d9 in QTimerInfoList::updateCurrentTime() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3371c05945 in QTimerInfoList::timerWait(timespec&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3371c06fac in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f336e62991d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f336e62a2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f33700f96ba in start_thread (arg=0x7f330affd700) at pthread_create.c:333
#14 0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 23 (Thread 0x7f330b7fe700 (LWP 2618)):
#0  0x00007f336e6273d7 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f336e6298bb in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62a2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f33700f96ba in start_thread (arg=0x7f330b7fe700) at pthread_create.c:333
#9  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 22 (Thread 0x7f330bfff700 (LWP 2617)):
#0  update_get_addr (ti=0x7f3371dfa738) at dl-tls.c:807
#1  0x00007f33719e5a46 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f3371c07011 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f336e629dc1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f336e62a330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f33700f96ba in start_thread (arg=0x7f330bfff700) at pthread_create.c:333
#11 0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7f3330ff9700 (LWP 2615)):
#0  0x00007f336e66ea79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f336e629b41 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62a307 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f33700f96ba in start_thread (arg=0x7f3330ff9700) at pthread_create.c:333
#9  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7f33317fa700 (LWP 2610)):
#0  0x00007f33710d1b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f336e62a38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33700f96ba in start_thread (arg=0x7f33317fa700) at pthread_create.c:333
#8  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7f3331ffb700 (LWP 2609)):
#0  0x00007f33710d1b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f336e62a38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33700f96ba in start_thread (arg=0x7f3331ffb700) at pthread_create.c:333
#8  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7f33327fc700 (LWP 2608)):
#0  0x00007f3371c07070 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f336e629dc1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62a330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f33700f96ba in start_thread (arg=0x7f33327fc700) at pthread_create.c:333
#9  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7f3332ffd700 (LWP 2606)):
#0  0x00007f336e66ea79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f336e62a488 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33700f96ba in start_thread (arg=0x7f3332ffd700) at pthread_create.c:333
#7  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7f33337fe700 (LWP 2605)):
#0  0x00007f336e6273e2 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f336e6298bb in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62a2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f33700f96ba in start_thread (arg=0x7f33337fe700) at pthread_create.c:333
#9  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f3333fff700 (LWP 2604)):
#0  0x00007f33710d1b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f336e62a38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33700f96ba in start_thread (arg=0x7f3333fff700) at pthread_create.c:333
#8  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f3340ad3700 (LWP 2602)):
[KCrash Handler]
#6  0x00007f337100c428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#7  0x00007f337100e02a in __GI_abort () at abort.c:89
#8  0x00007f337164584d in __gnu_cxx::__verbose_terminate_handler() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#9  0x00007f33716436b6 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#10 0x00007f3371643701 in std::terminate() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#11 0x00007f3371643919 in __cxa_throw () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#12 0x00007f3371f0ab02 in Akonadi::Protocol::DataStream::operator<< <unsigned char> (this=<optimized out>, val=148 '\224') at /workspace/build/src/private/datastream_p_p.h:92
#13 0x00007f3371f0adb8 in Akonadi::Protocol::CommandPrivate::serialize (stream=..., this=0x7f332806fd50) at /workspace/build/src/private/protocol.cpp:266
#14 Akonadi::Protocol::ResponsePrivate::serialize (this=0x7f332806fd50, stream=...) at /workspace/build/src/private/protocol.cpp:425
#15 0x00007f3371ef3294 in Akonadi::Protocol::operator<< (command=..., stream=...) at /workspace/build/src/private/protocol.cpp:383
#16 Akonadi::Protocol::serialize (device=<optimized out>, command=...) at /workspace/build/src/private/protocol.cpp:636
#17 0x000000000042ac63 in Akonadi::Server::Connection::sendResponse (this=0x1c2e0b0, tag=19, response=...) at /workspace/build/src/server/connection.cpp:404
#18 0x000000000042ee72 in Akonadi::Server::Handler::sendResponse (response=..., this=0x7f33280538a0) at /workspace/build/src/server/handler.cpp:268
#19 Akonadi::Server::Handler::sendResponse<Akonadi::Protocol::Response> (this=0x7f33280538a0, response=...) at /workspace/build/src/server/handler.h:152
#20 Akonadi::Server::Handler::failureResponse (this=this@entry=0x7f33280538a0, failureMessage=...) at /workspace/build/src/server/handler.cpp:261
#21 0x000000000042f02f in Akonadi::Server::Handler::failureResponse (this=0x7f33280538a0, failureMessage=failureMessage@entry=0x583698 "Unknown exception caught") at /workspace/build/src/server/handler.cpp:252
#22 0x000000000042cb96 in Akonadi::Server::Connection::slotNewData (this=0x1c2e0b0) at /workspace/build/src/server/connection.cpp:261
#23 0x00007f3371bdf1f6 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f3371bdee89 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f3372750095 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#26 0x00007f3372750150 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#27 0x00007f337275aed1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#28 0x00007f3371bb40bb in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f3371c07bfd in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f336e62a197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f336e62a3f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007f33700f96ba in start_thread (arg=0x7f3340ad3700) at pthread_create.c:333
#38 0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f33412d4700 (LWP 2598)):
#0  0x00007f336e66ea94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f336e629910 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62a2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f33700f96ba in start_thread (arg=0x7f33412d4700) at pthread_create.c:333
#9  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f3341ad5700 (LWP 2597)):
#0  0x00007fff1f94e9a9 in ?? ()
#1  0x00007fff1f94ecd5 in clock_gettime ()
#2  0x00007f33710ebc86 in __GI___clock_gettime (clock_id=1, tp=0x7f3341ad4a70) at ../sysdeps/unix/clock_gettime.c:115
#3  0x00007f3371a8c241 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3371c053d9 in QTimerInfoList::updateCurrentTime() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3371c05945 in QTimerInfoList::timerWait(timespec&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f3371c06fac in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f336e62991d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f336e62a2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f33700f96ba in start_thread (arg=0x7f3341ad5700) at pthread_create.c:333
#15 0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f33422d6700 (LWP 2596)):
#0  0x00007f336e66ea79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f336e629929 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62a2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f33700f96ba in start_thread (arg=0x7f33422d6700) at pthread_create.c:333
#9  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f3342ad7700 (LWP 2595)):
#0  0x00007f336e66ea94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f336e629910 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62a2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f33700f96ba in start_thread (arg=0x7f3342ad7700) at pthread_create.c:333
#9  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f3347fff700 (LWP 2594)):
#0  0x00007f33719ddf69 in QMutex::lock() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f3371c07029 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f336e629dc1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f336e62a330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f33700f96ba in start_thread (arg=0x7f3347fff700) at pthread_create.c:333
#10 0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f3364957700 (LWP 2593)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f33719e79fb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x000000000043e295 in Akonadi::Server::SearchTaskManager::searchLoop (this=0x1c0a230) at /workspace/build/src/server/search/searchtaskmanager.cpp:222
#3  0x00007f3371beb546 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3371bdfd53 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3371bb40bb in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f3371c0668e in QTimerInfoList::activateTimers() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f3371c06bc1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f336e62a197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f336e62a3f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f3371c0773f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f33700f96ba in start_thread (arg=0x7f3364957700) at pthread_create.c:333
#16 0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f3365158700 (LWP 2592)):
#0  0x00007f33710d1b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f336e62a38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33700f96ba in start_thread (arg=0x7f3365158700) at pthread_create.c:333
#8  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f3365959700 (LWP 2591)):
#0  0x00007f336e6299a0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f336e62a2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33700f96ba in start_thread (arg=0x7f3365959700) at pthread_create.c:333
#8  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f336615a700 (LWP 2590)):
#0  0x00007f33710d1b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f336e62a38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33700f96ba in start_thread (arg=0x7f336615a700) at pthread_create.c:333
#8  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f336695b700 (LWP 2589)):
#0  __libc_disable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:90
#1  0x00007f33710d1b69 in poll () at ../sysdeps/unix/syscall-template.S:84
#2  0x00007f336e62a38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f33700f96ba in start_thread (arg=0x7f336695b700) at pthread_create.c:333
#9  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f336715c700 (LWP 2588)):
#0  0x00007f336e66ea79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f336e629464 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62a346 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f33700f96ba in start_thread (arg=0x7f336715c700) at pthread_create.c:333
#9  0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f3367ff7700 (LWP 2585)):
#0  0x00007f33719de329 in QMutex::unlock() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f3371c07035 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f336e629dc1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f336e62a330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3371c0775b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f33719e1f64 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f3371e50735 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f33719e6b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f33700f96ba in start_thread (arg=0x7f3367ff7700) at pthread_create.c:333
#11 0x00007f33710dd82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f33726198c0 (LWP 2584)):
#0  0x00007f33710d1b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f336e62a38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f336e62a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3371c0773f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3371bb20ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3371bba6cc in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x0000000000580445 in AkApplicationBase::exec (this=<optimized out>) at /workspace/build/src/shared/akapplication.cpp:125
#7  0x0000000000423f86 in main (argc=1, argv=<optimized out>) at /workspace/build/src/server/main.cpp:81

Reported using DrKonqi