Bug 385860

Summary: kmail crash when entering contact in Bcc field
Product: [Applications] kmail2 Reporter: Bruno Friedmann <bruno>
Component: generalAssignee: kdepim bugs <pim-bugs-null>
Status: RESOLVED DUPLICATE    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version First Reported In: unspecified   
Target Milestone: ---   
Platform: openSUSE   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Bruno Friedmann 2017-10-17 14:18:18 UTC 
Application: kmail (5.6.1)

Qt Version: 5.9.1
Frameworks Version: 5.38.0
Operating System: Linux 4.13.5-1-default x86_64
Distribution: "openSUSE Tumbleweed"

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

A long answer mail, select Bcc and start to write down a contact.
The crash occur when the suggestion box appear (contact found in recent address used)

The crash can be reproduced sometimes.

-- Backtrace:
Application: KMail (kmail), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7efed1049980 (LWP 3478))]

Thread 35 (Thread 0x7efd1f7fe700 (LWP 17282)):
#0  0x00007efece157cab in poll () at /lib64/libc.so.6
#1  0x00007efec205c149 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007efec205c25c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007efecea8069b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007efecea2934a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007efece85931a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007efece85dd2e in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#8  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 34 (Thread 0x7efdddbfd700 (LWP 17035)):
#0  0x00007efec3c5ab5c in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007efeb899c832 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007efeb8972a49 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007efeb8972fab in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007efeb896b88b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#6  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 33 (Thread 0x7efdde3fe700 (LWP 17034)):
#0  0x00007efec3c5ab5c in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007efeb899c832 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007efeb8972a49 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007efeb8972fab in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007efeb896b88b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#6  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 32 (Thread 0x7efde4966700 (LWP 10405)):
#0  0x00007efec3c5a82d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007efeb896df45 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007efeb896e427 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007efeb896f1c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007efeb896b88b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#6  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 31 (Thread 0x7efdeffff700 (LWP 4926)):
#0  0x00007efec3c5a82d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007efeb896df45 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007efeb896e427 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007efeb896f1c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007efeb896b88b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#6  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 30 (Thread 0x7efe6effd700 (LWP 4925)):
#0  0x00007efec3c5a82d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007efeb483e8e4 in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007efeb483e929 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#4  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 29 (Thread 0x7efe6f7fe700 (LWP 4912)):
#0  0x00007efece153808 in read () at /lib64/libc.so.6
#1  0x00007efec20a03c0 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007efec205bc2b in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007efec205c0f0 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007efec205c25c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007efecea8069b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007efecea2934a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007efece85931a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007efece85dd2e in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#10 0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 28 (Thread 0x7efe0cd3a700 (LWP 3575)):
#0  0x00007efec205bffd in  () at /usr/lib64/libglib-2.0.so.0
#1  0x00007efec205c25c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#2  0x00007efecea8069b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#3  0x00007efecea2934a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007efece85931a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5  0x00007efece85dd2e in  () at /usr/lib64/libQt5Core.so.5
#6  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#7  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 27 (Thread 0x7efe0d53b700 (LWP 3574)):
#0  0x00007ffd2fe9b98c in  ()
#1  0x00007ffd2fe9bc30 in clock_gettime ()
#2  0x00007efece16fd46 in clock_gettime () at /lib64/libc.so.6
#3  0x00007efecea800b1 in  () at /usr/lib64/libQt5Core.so.5
#4  0x00007efecea7e989 in QTimerInfoList::updateCurrentTime() () at /usr/lib64/libQt5Core.so.5
#5  0x00007efecea7ef05 in QTimerInfoList::timerWait(timespec&) () at /usr/lib64/libQt5Core.so.5
#6  0x00007efecea8044e in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007efec205b688 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#8  0x00007efec205c07b in  () at /usr/lib64/libglib-2.0.so.0
#9  0x00007efec205c25c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#10 0x00007efecea8069b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#11 0x00007efecea2934a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#12 0x00007efece85931a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#13 0x00007efece85dd2e in  () at /usr/lib64/libQt5Core.so.5
#14 0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#15 0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 26 (Thread 0x7efe0dd3c700 (LWP 3573)):
#0  0x00007efece157cab in poll () at /lib64/libc.so.6
#1  0x00007efec205c149 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007efec205c25c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007efecea8069b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007efecea2934a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007efece85931a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007efece85dd2e in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#8  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 25 (Thread 0x7efe0e53d700 (LWP 3572)):
#0  0x00007efec20a16f9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007efec205b693 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007efec205c07b in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007efec205c25c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007efecea8069b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007efecea2934a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007efece85931a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007efece85dd2e in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#9  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 24 (Thread 0x7efe0ed3e700 (LWP 3571)):
#0  0x00007efec205b133 in g_main_context_release () at /usr/lib64/libglib-2.0.so.0
#1  0x00007efec205c106 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007efec205c25c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007efecea8069b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007efecea2934a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007efece85931a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007efece85dd2e in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#8  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 23 (Thread 0x7efe0f53f700 (LWP 3570)):
#0  0x00007efece157cab in poll () at /lib64/libc.so.6
#1  0x00007efec205c149 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007efec205c25c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007efecea8069b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007efecea2934a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007efece85931a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007efece85dd2e in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#8  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 22 (Thread 0x7efe358de700 (LWP 3520)):
#0  0x00007efece12ff40 in nanosleep () at /lib64/libc.so.6
#1  0x00007efece15a494 in usleep () at /lib64/libc.so.6
#2  0x00007efe36945230 in  () at /usr/lib64/libcvP11.so
#3  0x00007efe3678e3bb in  () at /usr/lib64/libcvP11.so
#4  0x00007efe3678ead4 in  () at /usr/lib64/libcvP11.so
#5  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#6  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 21 (Thread 0x7efe377fe700 (LWP 3510)):
#0  0x00007efece1538ab in write () at /lib64/libc.so.6
#1  0x00007efece0e519d in _IO_new_file_write () at /lib64/libc.so.6
#2  0x00007efece0e447f in new_do_write () at /lib64/libc.so.6
#3  0x00007efece0e595e in __GI__IO_file_xsputn () at /lib64/libc.so.6
#4  0x00007efece0bb8cb in buffered_vfprintf () at /lib64/libc.so.6
#5  0x00007efece0b8b3e in vfprintf () at /lib64/libc.so.6
#6  0x00007efece171366 in __fprintf_chk () at /lib64/libc.so.6
#7  0x00007efeb096b07d in event_logv_ () at /usr/lib64/libevent-2.1.so.6
#8  0x00007efeb096b214 in event_warn () at /usr/lib64/libevent-2.1.so.6
#9  0x00007efeb096cb3c in  () at /usr/lib64/libevent-2.1.so.6
#10 0x00007efeb09627e4 in event_base_loop () at /usr/lib64/libevent-2.1.so.6
#11 0x00007efeb893ed8d in  () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007efeb893b008 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007efeb8957bfb in  () at /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007efeb896f786 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#15 0x00007efeb896b88b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#16 0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#17 0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 20 (Thread 0x7efe37fff700 (LWP 3509)):
#0  0x00007efec3c5a82d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007efeb89639b9 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007efeb89639e7 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007efeb893e73b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007efeb893b008 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007efeb8957bfb in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007efeb896f786 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007efeb896b88b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#9  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 19 (Thread 0x7efe4cff9700 (LWP 3508)):
#0  0x00007efece153808 in read () at /lib64/libc.so.6
#1  0x00007efeaa294751 in pa_read () at /usr/lib64/pulseaudio/libpulsecommon-11.1.so
#2  0x00007efeb2d66dde in pa_mainloop_prepare () at /usr/lib64/libpulse.so.0
#3  0x00007efeb2d67850 in pa_mainloop_iterate () at /usr/lib64/libpulse.so.0
#4  0x00007efeb2d67910 in pa_mainloop_run () at /usr/lib64/libpulse.so.0
#5  0x00007efeb2d75779 in  () at /usr/lib64/libpulse.so.0
#6  0x00007efeaa2c3438 in  () at /usr/lib64/pulseaudio/libpulsecommon-11.1.so
#7  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#8  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7efe4d7fa700 (LWP 3507)):
#0  0x00007efec3c5ab5c in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007efeb899c832 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007efeb896393e in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007efeb893e78b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007efeb893b008 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007efeb8957bfb in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007efeb896f786 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007efeb896b88b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#9  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7efe4dffb700 (LWP 3506)):
#0  0x00007efec3c5a82d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007efeb91d6f30 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007efeb896f1c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007efeb896b88b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#5  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7efe4e7fc700 (LWP 3505)):
#0  0x00007efec3c5a82d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007efeb896df45 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007efeb896e427 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007efeb896f1c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007efeb896b88b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#6  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7efe4effd700 (LWP 3504)):
#0  0x00007efec3c5a82d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007efeb89639b9 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007efeb89639e7 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007efeb893e73b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007efeb893b008 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007efeb8957bfb in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007efeb896f786 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007efeb896b88b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#9  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7efe4f7fe700 (LWP 3503)):
#0  0x00007efece0fae56 in __strcmp_sse2_unaligned () at /lib64/libc.so.6
#1  0x00007efece09cfd1 in _nl_make_l10nflist () at /lib64/libc.so.6
#2  0x00007efece09abf4 in _nl_find_domain () at /lib64/libc.so.6
#3  0x00007efece09a508 in __dcigettext () at /lib64/libc.so.6
#4  0x00007efece0f2278 in strerror_r () at /lib64/libc.so.6
#5  0x00007efece0f219f in strerror () at /lib64/libc.so.6
#6  0x00007efeb096b201 in event_warn () at /usr/lib64/libevent-2.1.so.6
#7  0x00007efeb096cb3c in  () at /usr/lib64/libevent-2.1.so.6
#8  0x00007efeb09627e4 in event_base_loop () at /usr/lib64/libevent-2.1.so.6
#9  0x00007efeb893ee73 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007efeb893b008 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007efeb8957bfb in  () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007efeb81f4eb8 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007efeb81f546b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007efeb896f838 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#15 0x00007efeb896b88b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#16 0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#17 0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7efe4ffff700 (LWP 3502)):
#0  0x00007efec3c5a82d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007efeb89639b9 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007efeb89639e7 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007efeb893e73b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007efeb893b008 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007efeb8957bfb in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007efeb81f4e08 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007efeb81f545b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007efeb896f838 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007efeb896b88b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#11 0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7efe6cff9700 (LWP 3501)):
#0  0x00007efec3c5a82d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007efeb89639b9 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007efeb89639e7 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007efeb893e73b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007efeb893b008 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007efeb8957bfb in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007efeb81f4d58 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007efeb81f544b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007efeb896f838 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007efeb896b88b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#11 0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7efe6d7fa700 (LWP 3500)):
#0  0x00007efec3c5a82d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007efeb89639b9 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007efeb89639e7 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007efeb893e73b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007efeb893b008 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007efeb8957bfb in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007efeb81f4ca8 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007efeb81f543b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007efeb896f838 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007efeb896b88b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#11 0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7efe6dffb700 (LWP 3499)):
#0  0x00007efece16f672 in __libc_disable_asynccancel () at /lib64/libc.so.6
#1  0x00007efece1625d9 in epoll_pwait () at /lib64/libc.so.6
#2  0x00007efeb096c995 in  () at /usr/lib64/libevent-2.1.so.6
#3  0x00007efeb09627e4 in event_base_loop () at /usr/lib64/libevent-2.1.so.6
#4  0x00007efeb893ed8d in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007efeb893b008 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007efeb8957bfb in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007efeb81f4bf8 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007efeb81f542b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007efeb896f838 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007efeb896b88b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#12 0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7efe6e7fc700 (LWP 3498)):
#0  0x00007efec3c5a82d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007efeb89639b9 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007efeb89639e7 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007efeb893e73b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007efeb893b008 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007efeb8957bfb in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007efeb81f4b48 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007efeb81f541b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007efeb896f838 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007efeb896b88b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#11 0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7efe6ffff700 (LWP 3495)):
#0  0x00007efec3c5a82d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007efeb89639b9 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007efeb89639e7 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007efeb893e73b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007efeb893b008 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007efeb8957bfb in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007efeb896f786 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007efeb896b88b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#9  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7efe7cae3700 (LWP 3494)):
#0  0x00007efece16f5e9 in __lll_unlock_wake_private () at /lib64/libc.so.6
#1  0x00007efece1713ac in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007efeb096b07d in event_logv_ () at /usr/lib64/libevent-2.1.so.6
#3  0x00007efeb096b214 in event_warn () at /usr/lib64/libevent-2.1.so.6
#4  0x00007efeb096cb3c in  () at /usr/lib64/libevent-2.1.so.6
#5  0x00007efeb09627e4 in event_base_loop () at /usr/lib64/libevent-2.1.so.6
#6  0x00007efeb893ed39 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007efeb893b008 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007efeb8957bfb in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007efeb896f786 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007efeb896b88b in  () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#12 0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7efe95072700 (LWP 3483)):
#0  0x00007efec20a1714 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007efec205b622 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007efec205c07b in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007efec205c25c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007efecea8069b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007efecea2934a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007efece85931a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007efece85dd2e in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#9  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7efe95873700 (LWP 3482)):
#0  0x00007efec20a16f9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007efec205bb5c in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#2  0x00007efec205c0f0 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007efec205c25c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007efecea8069b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007efecea2934a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007efece85931a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007efece85dd2e in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#9  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7efe96711700 (LWP 3481)):
#0  0x00007efece157cab in poll () at /lib64/libc.so.6
#1  0x00007efec205c149 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007efec205c25c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007efecea8069b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007efecea2934a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007efece85931a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007efece85dd2e in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#8  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7efe97922700 (LWP 3480)):
#0  0x00007efec205b774 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#1  0x00007efec205c07b in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007efec205c25c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007efecea8069b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007efecea2934a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007efece85931a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007efecd0bda45 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x00007efece85dd2e in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#9  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7efea0142700 (LWP 3479)):
#0  0x00007efece157cab in poll () at /lib64/libc.so.6
#1  0x00007efec1482387 in  () at /usr/lib64/libxcb.so.1
#2  0x00007efec148417a in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007efea1e344b9 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007efece85dd2e in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007efec3c54558 in start_thread () at /lib64/libpthread.so.0
#6  0x00007efece16245f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7efed1049980 (LWP 3478)):
[KCrash Handler]
#6  0x00007efece0a00d0 in raise () at /lib64/libc.so.6
#7  0x00007efece0a16b1 in abort () at /lib64/libc.so.6
#8  0x00007efece4bd205 in __gnu_cxx::__verbose_terminate_handler() () at /usr/lib64/libstdc++.so.6
#9  0x00007efece4baff6 in  () at /usr/lib64/libstdc++.so.6
#10 0x00007efece4bb041 in  () at /usr/lib64/libstdc++.so.6
#11 0x00007efece4bb283 in  () at /usr/lib64/libstdc++.so.6
#12 0x00007efeb6761e8e in  () at /usr/lib64/libxapian.so.30
#13 0x00007efeb6763c28 in  () at /usr/lib64/libxapian.so.30
#14 0x00007efeb67668ba in  () at /usr/lib64/libxapian.so.30
#15 0x00007efeb6766b13 in  () at /usr/lib64/libxapian.so.30
#16 0x00007efeb674d279 in  () at /usr/lib64/libxapian.so.30
#17 0x00007efeb66ab17a in Xapian::Document::Internal::get_data[abi:cxx11]() const () at /usr/lib64/libxapian.so.30
#18 0x00007efeb66ab1b0 in Xapian::Document::get_data[abi:cxx11]() const () at /usr/lib64/libxapian.so.30
#19 0x00007efec8c7cab4 in Akonadi::Search::PIM::ContactCompleter::complete() () at /usr/lib64/libKF5AkonadiSearchPIM.so.5
#20 0x00007efec8ed1787 in  () at /usr/lib64/libKF5LibkdepimAkonadi.so.5
#21 0x00007efec8ed18f8 in  () at /usr/lib64/libKF5LibkdepimAkonadi.so.5
#22 0x00007efecea5834c in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#23 0x00007efecea64697 in QTimer::timeout(QTimer::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#24 0x00007efecea649c8 in QTimer::timerEvent(QTimerEvent*) () at /usr/lib64/libQt5Core.so.5
#25 0x00007efecea58beb in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#26 0x00007efecf7a59bc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#27 0x00007efecf7acd74 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#28 0x00007efecea2ad38 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#29 0x00007efecea7fc2e in QTimerInfoList::activateTimers() () at /usr/lib64/libQt5Core.so.5
#30 0x00007efecea80341 in  () at /usr/lib64/libQt5Core.so.5
#31 0x00007efec205bf97 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#32 0x00007efec205c1d0 in  () at /usr/lib64/libglib-2.0.so.0
#33 0x00007efec205c25c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#34 0x00007efecea8067f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#35 0x00007efecea2934a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#36 0x00007efecea31bd4 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#37 0x0000564a9939aaad in  ()
#38 0x00007efece08af4a in __libc_start_main () at /lib64/libc.so.6
#39 0x0000564a9939abda in _start ()

The reporter indicates this bug may be a duplicate of or related to bug 385770.

Reported using DrKonqi
Comment 1 Bruno Friedmann 2017-10-22 15:25:46 UTC 
To resume : for making autocompletion working great again here the step followed
I've tried to cleanup the cache in akonadiconsole.: no success

Remove completely the agent and recreate a new one connected to the same server and login.
Now it works.
Comment 2 Kevin Funk 2018-01-26 15:10:30 UTC 

*** This bug has been marked as a duplicate of bug 369056 ***