[kontact] [Bug 394708] New: Kontact crashes when trying to delete ghost todo

Erik Quaeghebeur bugzilla_noreply at kde.org
Sat May 26 14:39:05 BST 2018 

https://bugs.kde.org/show_bug.cgi?id=394708

            Bug ID: 394708
           Summary: Kontact crashes when trying to delete ghost todo
           Product: kontact
           Version: unspecified
          Platform: Gentoo Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: kde at equaeghe.nospammail.net
  Target Milestone: ---

Application: kontact (5.7.3)

Qt Version: 5.9.4
Frameworks Version: 5.43.0
Operating System: Linux 4.14.43-gentoo x86_64
Distribution (Platform): Gentoo Packages

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

I was trying to delete a todo using the context menu (right mouse button). This
todo was not present on the caldav server, so I suspected it was a ghost only
present in Akonadi.

After restarting, I could delete it without Kontact crashing, so it may be that
the crash was caused by something else.

The crash does not seem to be reproducible.

-- Backtrace:
Application: Kontact (kontact), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f505ca4d840 (LWP 12538))]

Thread 26 (Thread 0x7f5025152700 (LWP 12156)):
#0  0x00007f50594f922d in poll () from /lib64/libc.so.6
#1  0x00007f505323e7a6 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f505323e8bc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f505a06ab4b in QEventDispatcherGlib::processEvents
(this=0x7f5014002380, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f505a0190ca in QEventLoop::exec (this=this at entry=0x7f5025151d70,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f5059e75da3 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#6  0x00007f5059e7a2c1 in QThreadPrivate::start (arg=0x560249042060) at
thread/qthread_unix.cpp:368
#7  0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 25 (Thread 0x7f4f16c4d700 (LWP 12609)):
#0  0x00007f5055731786 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f504a494869 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f504a494fc7 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f504a495de0 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f504a492382 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 24 (Thread 0x7f4f2100d700 (LWP 12590)):
#0  0x00007f505323e703 in ?? () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f505323e8bc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007f505a06ab4b in QEventDispatcherGlib::processEvents
(this=0x7f4f1c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#3  0x00007f505a0190ca in QEventLoop::exec (this=this at entry=0x7f4f2100cd70,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:212
#4  0x00007f5059e75da3 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#5  0x00007f5059e7a2c1 in QThreadPrivate::start (arg=0x560247f64bc0) at
thread/qthread_unix.cpp:368
#6  0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 23 (Thread 0x7f4f30d53700 (LWP 12581)):
#0  0x00007f50594f4c3d in read () from /lib64/libc.so.6
#1  0x00007f5053282ba0 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f505323e26e in g_main_context_check () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f505323e744 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f505323e8bc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#5  0x00007f505a06ab4b in QEventDispatcherGlib::processEvents
(this=0x7f4f280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f505a0190ca in QEventLoop::exec (this=this at entry=0x7f4f30d52d70,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:212
#7  0x00007f5059e75da3 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#8  0x00007f5059e7a2c1 in QThreadPrivate::start (arg=0x560247da2c60) at
thread/qthread_unix.cpp:368
#9  0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 22 (Thread 0x7f4f31554700 (LWP 12579)):
#0  0x00007f5053282b71 in ?? () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f505323e26e in g_main_context_check () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007f505323e744 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f505323e8bc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#4  0x00007f505a06ab4b in QEventDispatcherGlib::processEvents
(this=0x7f4f240008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f505a0190ca in QEventLoop::exec (this=this at entry=0x7f4f31553d70,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f5059e75da3 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#7  0x00007f5059e7a2c1 in QThreadPrivate::start (arg=0x560247d81500) at
thread/qthread_unix.cpp:368
#8  0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 21 (Thread 0x7f4f321a5700 (LWP 12578)):
#0  0x00007f505a06a79b in idleTimerSourceCheck (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:219
#1  0x00007f505323e1a9 in g_main_context_check () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007f505323e744 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f505323e8bc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#4  0x00007f505a06ab4b in QEventDispatcherGlib::processEvents
(this=0x7f4f2c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f505a0190ca in QEventLoop::exec (this=this at entry=0x7f4f321a4d70,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f5059e75da3 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#7  0x00007f5059e7a2c1 in QThreadPrivate::start (arg=0x560247d6a0a0) at
thread/qthread_unix.cpp:368
#8  0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 20 (Thread 0x7f4fbbfff700 (LWP 12577)):
#0  0x00007f5055731786 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f5041603014 in ?? () from /usr/lib64/libQt5Script.so.5
#2  0x00007f5041603059 in ?? () from /usr/lib64/libQt5Script.so.5
#3  0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 19 (Thread 0x7f4fe8ff9700 (LWP 12572)):
#0  0x00007f5055731786 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f504a494869 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f504a494fc7 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f504a495de0 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f504a492382 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 18 (Thread 0x7f4fe97fa700 (LWP 12570)):
#0  0x00007f5059512deb in ?? () from /lib64/libc.so.6
#1  0x00007f5059514dac in __fprintf_chk () from /lib64/libc.so.6
#2  0x00007f504067df4f in ?? () from /usr/lib64/libevent-2.1.so.6
#3  0x00007f504067e15c in event_warn () from /usr/lib64/libevent-2.1.so.6
#4  0x00007f504067f910 in ?? () from /usr/lib64/libevent-2.1.so.6
#5  0x00007f50406758b6 in event_base_loop () from /usr/lib64/libevent-2.1.so.6
#6  0x00007f504a465c6e in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f504a461745 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f504a47e3fa in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f504a4962a6 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f504a492382 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#12 0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7f4fe9ffb700 (LWP 12569)):
#0  0x00007f5055731786 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f504a48a41e in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f504a48a4d7 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f504a4656bb in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f504a461745 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f504a47e3fa in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f504a4962a6 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f504a492382 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7f4fea7fc700 (LWP 12568)):
#0  0x00007f5055731786 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f504a494869 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f504a494fc7 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f504a495de0 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f504a492382 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7f4feaffd700 (LWP 12567)):
#0  0x00007f502fdbfa23 in ?? () from
/usr/lib64/pulseaudio/libpulsecommon-11.1.so
#1  0x00007f502fdc08a8 in ?? () from
/usr/lib64/pulseaudio/libpulsecommon-11.1.so
#2  0x00007f502fdc0bc9 in ?? () from
/usr/lib64/pulseaudio/libpulsecommon-11.1.so
#3  0x00007f502fdc144a in ?? () from
/usr/lib64/pulseaudio/libpulsecommon-11.1.so
#4  0x00007f50346b791c in pa_mainloop_dispatch () from /usr/lib64/libpulse.so.0
#5  0x00007f50346b7d1c in pa_mainloop_iterate () from /usr/lib64/libpulse.so.0
#6  0x00007f50346b7dc0 in pa_mainloop_run () from /usr/lib64/libpulse.so.0
#7  0x00007f50346c5d59 in ?? () from /usr/lib64/libpulse.so.0
#8  0x00007f502fdd1318 in ?? () from
/usr/lib64/pulseaudio/libpulsecommon-11.1.so
#9  0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7f4feb7fe700 (LWP 12566)):
#0  0x00007f5055731b93 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f504a4c2972 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f504a48a4ae in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f504a4656fa in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f504a461745 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f504a47e3fa in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f504a4962a6 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f504a492382 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7f4febfff700 (LWP 12565)):
#0  0x00007f5055731786 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f504ac255bd in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f504a495de0 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f504a492382 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7f500cff9700 (LWP 12564)):
#0  0x00007f5055731786 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f504a48a41e in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f504a48a4d7 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f504a4656bb in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f504a461745 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f504a47e3fa in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f504a4962a6 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f504a492382 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7f500d7fa700 (LWP 12563)):
#0  0x00007f50594f4c8d in write () from /lib64/libc.so.6
#1  0x00007f5059484e1f in _IO_file_write () from /lib64/libc.so.6
#2  0x00007f5059483fa2 in ?? () from /lib64/libc.so.6
#3  0x00007f505948569e in _IO_file_xsputn () from /lib64/libc.so.6
#4  0x00007f5059459558 in ?? () from /lib64/libc.so.6
#5  0x00007f505945675e in vfprintf () from /lib64/libc.so.6
#6  0x00007f5059514e05 in __fprintf_chk () from /lib64/libc.so.6
#7  0x00007f504067df4f in ?? () from /usr/lib64/libevent-2.1.so.6
#8  0x00007f504067e15c in event_warn () from /usr/lib64/libevent-2.1.so.6
#9  0x00007f504067f910 in ?? () from /usr/lib64/libevent-2.1.so.6
#10 0x00007f50406758b6 in event_base_loop () from /usr/lib64/libevent-2.1.so.6
#11 0x00007f504a465c6e in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f504a461745 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f504a47e3fa in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007f5049d3c968 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#15 0x00007f5049d3ce63 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#16 0x00007f504a496370 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#17 0x00007f504a492382 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#18 0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#19 0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7f500dffb700 (LWP 12562)):
#0  0x00007f5055731b93 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f504a4c2972 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f504a48a4ae in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f504a4656fa in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f504a461745 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f504a47e3fa in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f5049d3c8b8 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5049d3cecb in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f504a496370 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f504a492382 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f500e7fc700 (LWP 12561)):
#0  0x00007f5055731786 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f504a48a41e in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f504a48a4d7 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f504a4656bb in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f504a461745 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f504a47e3fa in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f5049d3c808 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5049d3ceb3 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f504a496370 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f504a492382 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f500effd700 (LWP 12560)):
#0  0x00007f5055731786 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f504a48a41e in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f504a48a4d7 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f504a4656bb in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f504a461745 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f504a47e3fa in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f5049d3c758 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5049d3cea3 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f504a496370 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f504a492382 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f500f7fe700 (LWP 12559)):
#0  0x00007f5059487e20 in ?? () from /lib64/libc.so.6
#1  0x00007f5059514a2c in __vsnprintf_chk () from /lib64/libc.so.6
#2  0x00007f504067aa43 in evutil_vsnprintf () from /usr/lib64/libevent-2.1.so.6
#3  0x00007f504067de5c in ?? () from /usr/lib64/libevent-2.1.so.6
#4  0x00007f504067e15c in event_warn () from /usr/lib64/libevent-2.1.so.6
#5  0x00007f504067f910 in ?? () from /usr/lib64/libevent-2.1.so.6
#6  0x00007f50406758b6 in event_base_loop () from /usr/lib64/libevent-2.1.so.6
#7  0x00007f504a465c6e in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f504a461745 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f504a47e3fa in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f5049d3c6a8 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f5049d3ce93 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f504a496370 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f504a492382 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#15 0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f500ffff700 (LWP 12558)):
#0  0x00007f5055731786 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f504a48a41e in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f504a48a4d7 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f504a4656bb in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f504a461745 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f504a47e3fa in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f5049d3c5f8 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5049d3ce83 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f504a496370 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f504a492382 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f5025953700 (LWP 12555)):
#0  0x00007f5055731786 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f504a48a41e in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f504a48a4d7 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f504a4656bb in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f504a461745 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f504a47e3fa in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f504a4962a6 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f504a492382 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f5026154700 (LWP 12554)):
#0  0x00007f5059512deb in ?? () from /lib64/libc.so.6
#1  0x00007f5059514dac in __fprintf_chk () from /lib64/libc.so.6
#2  0x00007f504067df4f in ?? () from /usr/lib64/libevent-2.1.so.6
#3  0x00007f504067e15c in event_warn () from /usr/lib64/libevent-2.1.so.6
#4  0x00007f504067f910 in ?? () from /usr/lib64/libevent-2.1.so.6
#5  0x00007f50406758b6 in event_base_loop () from /usr/lib64/libevent-2.1.so.6
#6  0x00007f504a465d02 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f504a461745 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f504a47e3fa in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f504a4962a6 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f504a492382 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#12 0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f502cddf700 (LWP 12542)):
#0  0x00007f505323dc84 in g_main_context_prepare () from
/usr/lib64/libglib-2.0.so.0
#1  0x00007f505323e6cb in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f505323e8bc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f505a06ab4b in QEventDispatcherGlib::processEvents
(this=0x7f50280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f505a0190ca in QEventLoop::exec (this=this at entry=0x7f502cdded40,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f5059e75da3 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#6  0x00007f505878aec5 in ?? () from /usr/lib64/libQt5DBus.so.5
#7  0x00007f5059e7a2c1 in QThreadPrivate::start (arg=0x7f50589fed60) at
thread/qthread_unix.cpp:368
#8  0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f5037076700 (LWP 12539)):
#0  0x00007f50594f922d in poll () from /lib64/libc.so.6
#1  0x00007f50551f8860 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007f50551fa419 in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007f5038d7a119 in QXcbEventReader::run (this=0x560247635cb0) at
qxcbconnection.cpp:1330
#4  0x00007f5059e7a2c1 in QThreadPrivate::start (arg=0x560247635cb0) at
thread/qthread_unix.cpp:368
#5  0x00007f505572a8b7 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f50595045cf in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f505ca4d840 (LWP 12538)):
[KCrash Handler]
#6  0x00007f505943ffb0 in raise () from /lib64/libc.so.6
#7  0x00007f5059441c5a in abort () from /lib64/libc.so.6
#8  0x00007f5059a8b11d in __gnu_cxx::__verbose_terminate_handler() () from
/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/libstdc++.so.6
#9  0x00007f5059a88eb6 in ?? () from
/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/libstdc++.so.6
#10 0x00007f5059a88f01 in std::terminate() () from
/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/libstdc++.so.6
#11 0x00007f5059a89118 in __cxa_throw () from
/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/libstdc++.so.6
#12 0x00007f5058df330c in Akonadi::Item::throwPayloadException
(this=this at entry=0x56024b1e21f8, spid=spid at entry=0, mtid=mtid at entry=12) at
/var/tmp/portage/kde-apps/akonadi-17.12.3/work/akonadi-17.12.3/src/core/item.cpp:654
#13 0x00007f5058e006c7 in Akonadi::Item::payloadImpl<QByteArray>
(this=this at entry=0x56024b1e21f8) at
/var/tmp/portage/kde-apps/akonadi-17.12.3/work/akonadi-17.12.3/src/core/item.h:877
#14 0x00007f5058dfee47 in Akonadi::Item::payload<QByteArray>
(this=0x56024b1e21f8) at
/var/tmp/portage/kde-apps/akonadi-17.12.3/work/akonadi-17.12.3/src/core/item.h:846
#15 Akonadi::DefaultItemSerializerPlugin::serialize (this=<optimized out>,
item=..., label=..., data=..., version=<optimized out>) at
/var/tmp/portage/kde-apps/akonadi-17.12.3/work/akonadi-17.12.3/src/core/itemserializer.cpp:64
#16 0x00007f5058e00def in Akonadi::ItemSerializerPlugin::apply
(this=0x7f50591636e0 <Akonadi::(anonymous
namespace)::Q_QGS_s_defaultItemSerializerPlugin::innerFunction()::holder+16>,
item=..., other=...) at
/var/tmp/portage/kde-apps/akonadi-17.12.3/work/akonadi-17.12.3/src/core/itemserializerplugin.cpp:67
#17 0x00007f5058dfe8bc in Akonadi::ItemSerializer::apply (item=..., other=...)
at
/var/tmp/portage/kde-apps/akonadi-17.12.3/work/akonadi-17.12.3/src/core/itemserializer.cpp:158
#18 0x00007f5058df74ee in Akonadi::Item::apply (this=this at entry=0x5602490f3288,
other=...) at
/var/tmp/portage/kde-apps/akonadi-17.12.3/work/akonadi-17.12.3/src/core/item.cpp:764
#19 0x00007f5058dfd785 in Akonadi::ItemMonitor::Private::slotItemChanged
(this=0x5602490f3270, item=..., aSet=...) at
/var/tmp/portage/kde-apps/akonadi-17.12.3/work/akonadi-17.12.3/src/core/itemmonitor_p.h:64
#20 0x00007f505a04328e in QtPrivate::QSlotObjectBase::call (a=0x7fffc228aff0,
r=0x5602490f3270, this=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:101
#21 QMetaObject::activate (sender=0x5602490f7600, signalOffset=<optimized out>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x7fffc228aff0)
at kernel/qobject.cpp:3749
#22 0x00007f505a043847 in QMetaObject::activate (sender=<optimized out>,
m=m at entry=0x7f5059157b00 <Akonadi::Monitor::staticMetaObject>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x7fffc228aff0)
at kernel/qobject.cpp:3628
#23 0x00007f5058e06667 in Akonadi::Monitor::itemChanged (this=<optimized out>,
_t1=..., _t2=...) at
/var/tmp/portage/kde-apps/akonadi-17.12.3/work/akonadi-17.12.3_build/src/core/KF5AkonadiCore_autogen/include/moc_monitor.cpp:899
#24 0x00007f5058e131bb in Akonadi::MonitorPrivate::emitItemsNotification
(this=this at entry=0x5602490f8800, msg_=..., items=..., collection=...,
collectionDest=...) at
/var/tmp/portage/kde-apps/akonadi-17.12.3/work/akonadi-17.12.3/src/core/monitor_p.cpp:1039
#25 0x00007f5058e14243 in Akonadi::MonitorPrivate::emitNotification
(this=0x5602490f8800, msg=...) at
/var/tmp/portage/kde-apps/akonadi-17.12.3/work/akonadi-17.12.3/src/core/monitor_p.cpp:511
#26 0x00007f5058e11be3 in Akonadi::MonitorPrivate::flushPipeline
(this=this at entry=0x5602490f8800) at
/var/tmp/portage/kde-apps/akonadi-17.12.3/work/akonadi-17.12.3/src/core/monitor_p.cpp:883
#27 0x00007f5058e12099 in Akonadi::MonitorPrivate::dataAvailable
(this=0x5602490f8800) at
/var/tmp/portage/kde-apps/akonadi-17.12.3/work/akonadi-17.12.3/src/core/monitor_p.cpp:892
#28 0x00007f505a042f39 in QMetaObject::activate
(sender=sender at entry=0x5602490f7dc0, signalOffset=<optimized out>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x0) at
kernel/qobject.cpp:3766
#29 0x00007f505a043847 in QMetaObject::activate
(sender=sender at entry=0x5602490f7dc0, m=m at entry=0x7f50591573e0
<Akonadi::EntityCacheBase::staticMetaObject>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x0) at
kernel/qobject.cpp:3628
#30 0x00007f5058dea280 in Akonadi::EntityCacheBase::dataAvailable
(this=this at entry=0x5602490f7dc0) at
/var/tmp/portage/kde-apps/akonadi-17.12.3/work/akonadi-17.12.3_build/src/core/KF5AkonadiCore_autogen/include/moc_entitycache_p.cpp:147
#31 0x00007f5058db7f61 in Akonadi::EntityListCache<Akonadi::Item,
Akonadi::ItemFetchJob, Akonadi::ItemFetchScope>::processResult (this=<optimized
out>, job=<optimized out>) at
/var/tmp/portage/kde-apps/akonadi-17.12.3/work/akonadi-17.12.3/src/core/entitycache_p.h:499
#32 0x00007f5058dea2b4 in Akonadi::EntityCacheBase::qt_static_metacall
(_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized
out>) at
/var/tmp/portage/kde-apps/akonadi-17.12.3/work/akonadi-17.12.3_build/src/core/KF5AkonadiCore_autogen/include/moc_entitycache_p.cpp:82
#33 0x00007f505a042f39 in QMetaObject::activate (sender=0x56024b45c540,
signalOffset=<optimized out>, local_signal_index=<optimized out>,
argv=<optimized out>) at kernel/qobject.cpp:3766
#34 0x00007f505b5e2a52 in KJob::result(KJob*, KJob::QPrivateSignal) () from
/usr/lib64/libKF5CoreAddons.so.5
#35 0x00007f505b5e43a1 in KJob::finishJob(bool) () from
/usr/lib64/libKF5CoreAddons.so.5
#36 0x00007f505a04f696 in QtPrivate::QSlotObjectBase::call (a=0x7fffc228b740,
r=<optimized out>, this=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:101
#37 QSingleShotTimer::timerEvent (this=0x5602480ddf10) at kernel/qtimer.cpp:318
#38 0x00007f505a043eab in QObject::event (this=0x5602480ddf10, e=<optimized
out>) at kernel/qobject.cpp:1268
#39 0x00007f505ac61d6c in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x5602480ddf10, e=0x7fffc228ba00) at
kernel/qapplication.cpp:3722
#40 0x00007f505ac695d1 in QApplication::notify (this=0x7fffc228be10,
receiver=0x5602480ddf10, e=0x7fffc228ba00) at kernel/qapplication.cpp:3481
#41 0x00007f505a01a38a in QCoreApplication::notifyInternal2
(receiver=0x5602480ddf10, event=event at entry=0x7fffc228ba00) at
kernel/qcoreapplication.cpp:1016
#42 0x00007f505a069deb in QCoreApplication::sendEvent (event=0x7fffc228ba00,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:233
#43 QTimerInfoList::activateTimers (this=0x56024767af90) at
kernel/qtimerinfo_unix.cpp:643
#44 0x00007f505a06a6e1 in timerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:182
#45 0x00007f505323e5a7 in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#46 0x00007f505323e810 in ?? () from /usr/lib64/libglib-2.0.so.0
#47 0x00007f505323e8bc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#48 0x00007f505a06ab2f in QEventDispatcherGlib::processEvents
(this=0x56024766b540, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#49 0x00007f505a0190ca in QEventLoop::exec (this=this at entry=0x7fffc228bc50,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:212
#50 0x00007f505a021654 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1289
#51 0x0000560245ae1685 in main (argc=<optimized out>, argv=<optimized out>) at
/var/tmp/portage/kde-apps/kontact-17.12.3/work/kontact-17.12.3/src/main.cpp:229

Possible duplicates by query: bug 382744.

Reported using DrKonqi

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