[kmail2] [Bug 404052] Crash during/after filtering inbox, probably related to Qt WebEngine integration

Martin Steigerwald bugzilla_noreply at kde.org
Sat Feb 9 13:49:12 GMT 2019 

https://bugs.kde.org/show_bug.cgi?id=404052

--- Comment #7 from Martin Steigerwald <Martin at Lichtvoll.de> ---
Is this backtrace – after installing libkf5akonadicore5abi2-dbgsym and
libkf5coreaddons5-dbgsym – more useful? I may come around to the valgrind
thing, if still required, next week:

Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f24e04daf00 (LWP 26945))]

Thread 30 (Thread 0x7f23b1fb3700 (LWP 6366)):
#0  0x00007f24f67b73a9 in futex_reltimed_wait_cancelable (private=0,
reltime=0x7f23b1fb2400, expected=0, futex_word=0x7f23b1fb25e8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f24f67b73a9 in __pthread_cond_wait_common (abstime=0x7f23b1fb24a0,
mutex=0x7f23b1fb2598, cond=0x7f23b1fb25c0) at pthread_cond_wait.c:533
#2  0x00007f24f67b73a9 in __pthread_cond_timedwait (cond=0x7f23b1fb25c0,
mutex=0x7f23b1fb2598, abstime=0x7f23b1fb24a0) at pthread_cond_wait.c:667
#3  0x00007f24efe03a37 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f24efe0630a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f24efe063f2 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f24efe0a981 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f24efe0bc7f in base::internal::SchedulerWorker::Thread::ThreadMain()
() at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f24efe14c81 in base::(anonymous namespace)::ThreadFunc(void*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#10 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7f23b3ff5700 (LWP 6039)):
#0  0x00007f24f67b73a9 in futex_reltimed_wait_cancelable (private=0,
reltime=0x7f23b3ff4400, expected=0, futex_word=0x7f23b3ff45e8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f24f67b73a9 in __pthread_cond_wait_common (abstime=0x7f23b3ff44a0,
mutex=0x7f23b3ff4598, cond=0x7f23b3ff45c0) at pthread_cond_wait.c:533
#2  0x00007f24f67b73a9 in __pthread_cond_timedwait (cond=0x7f23b3ff45c0,
mutex=0x7f23b3ff4598, abstime=0x7f23b3ff44a0) at pthread_cond_wait.c:667
#3  0x00007f24efe03a37 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f24efe0630a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f24efe063f2 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f24efe0a981 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f24efe0be61 in base::internal::SchedulerWorker::Thread::ThreadMain()
() at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f24efe14c81 in base::(anonymous namespace)::ThreadFunc(void*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#10 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7f23b57f8700 (LWP 5272)):
#0  0x00007f24f67b73a9 in futex_reltimed_wait_cancelable (private=0,
reltime=0x7f23b57f7400, expected=0, futex_word=0x7f23b57f75e8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f24f67b73a9 in __pthread_cond_wait_common (abstime=0x7f23b57f74a0,
mutex=0x7f23b57f7598, cond=0x7f23b57f75c0) at pthread_cond_wait.c:533
#2  0x00007f24f67b73a9 in __pthread_cond_timedwait (cond=0x7f23b57f75c0,
mutex=0x7f23b57f7598, abstime=0x7f23b57f74a0) at pthread_cond_wait.c:667
#3  0x00007f24efe03a37 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f24efe0630a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f24efe063f2 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f24efe0a981 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f24efe0be61 in base::internal::SchedulerWorker::Thread::ThreadMain()
() at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f24efe14c81 in base::(anonymous namespace)::ThreadFunc(void*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#10 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7f23b67fa700 (LWP 3469)):
#0  0x00007f24f8f84a8b in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:63
#1  0x00007f24f8f86814 in ___fprintf_chk (fp=0x7f24f903b8b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f24eada2848 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f24ead8aa5a in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f24ead8ac34 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f24ead8c588 in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f24ead82329 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f24efdd87cd in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f24efdf7c8b in base::RunLoop::Run() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f24efe19204 in base::Thread::ThreadMain() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f24efe14c81 in base::(anonymous namespace)::ThreadFunc(void*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#11 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7f243e67c700 (LWP 27247)):
#0  0x00007f24f67b6fbc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x7f24ed76efb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f24f67b6fbc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f24ed76ef68, cond=0x7f24ed76ef90) at pthread_cond_wait.c:502
#2  0x00007f24f67b6fbc in __pthread_cond_wait (cond=0x7f24ed76ef90,
mutex=0x7f24ed76ef68) at pthread_cond_wait.c:655
#3  0x00007f24ed677e4a in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f24ed677e69 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#6  0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7f243f165700 (LWP 27234)):
#0  0x00007f24f5c76ce4 in g_mutex_unlock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f24f5c2c53c in g_main_context_prepare () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f24f5c2cf4b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f24f5c2d13c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f24f947f16b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f24f942c14b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f24f927b106 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f24f9284cd7 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#9  0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f2465ffb700 (LWP 27014)):
#0  0x00007f24f8f6cb49 in __GI___poll (fds=0x7f2454007030, nfds=3, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f24eb3a3111 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007f24eb394930 in pa_mainloop_poll () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f24eb394f7e in pa_mainloop_iterate () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f24eb395030 in pa_mainloop_run () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f24eb3a3059 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f24e6af44d8 in  () at
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-12.2.so
#7  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#8  0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f2466ffd700 (LWP 27012)):
#0  0x00007f24f8f68817 in __GI___libc_write (nbytes=47, buf=0x7f2466ff98f0,
fd=2) at ../sysdeps/unix/sysv/linux/write.c:26
#1  0x00007f24f8f68817 in __GI___libc_write (fd=2, buf=0x7f2466ff98f0,
nbytes=47) at ../sysdeps/unix/sysv/linux/write.c:24
#2  0x00007f24f8ef962d in _IO_new_file_write (f=0x7f24f903a680
<_IO_2_1_stderr_>, data=0x7f2466ff98f0, n=47) at fileops.c:1183
#3  0x00007f24f8ef89cf in new_do_write (fp=fp at entry=0x7f24f903a680
<_IO_2_1_stderr_>, data=data at entry=0x7f2466ff98f0 "[warn] epoll_wait:
Ung\303\274ltiger Dateideskriptor\n", to_do=to_do at entry=47) at libioP.h:839
#4  0x00007f24f8ef9d5e in _IO_new_file_xsputn (n=47, data=<optimized out>,
f=0x7f24f903a680 <_IO_2_1_stderr_>) at fileops.c:1262
#5  0x00007f24f8ef9d5e in _IO_new_file_xsputn (f=0x7f24f903a680
<_IO_2_1_stderr_>, data=<optimized out>, n=47) at fileops.c:1204
#6  0x00007f24f8ed0b32 in buffered_vfprintf (s=s at entry=0x7f24f903a680
<_IO_2_1_stderr_>, format=format at entry=0x7f24eada2848 "[%s] %s\n",
args=args at entry=0x7f2466ffbeb0) at ../libio/libioP.h:839
#7  0x00007f24f8ece0b2 in _IO_vfprintf_internal (s=s at entry=0x7f24f903a680
<_IO_2_1_stderr_>, format=0x7f24eada2848 "[%s] %s\n",
ap=ap at entry=0x7f2466ffbeb0) at vfprintf.c:1296
#8  0x00007f24f8f86866 in ___fprintf_chk (fp=0x7f24f903a680 <_IO_2_1_stderr_>,
flag=1, format=<optimized out>) at fprintf_chk.c:35
#9  0x00007f24ead8aa5a in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007f24ead8ac34 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007f24ead8c588 in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#12 0x00007f24ead82329 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#13 0x00007f24efdd8779 in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f24efdf7c8b in base::RunLoop::Run() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f24efe19204 in base::Thread::ThreadMain() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007f24efe14c81 in base::(anonymous namespace)::ThreadFunc(void*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#18 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f24667fc700 (LWP 27013)):
#0  0x00007f24f67b73a9 in futex_reltimed_wait_cancelable (private=0,
reltime=0x7f24667fb3c0, expected=0, futex_word=0x7f24667fb5a8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f24f67b73a9 in __pthread_cond_wait_common (abstime=0x7f24667fb460,
mutex=0x7f24667fb558, cond=0x7f24667fb580) at pthread_cond_wait.c:533
#2  0x00007f24f67b73a9 in __pthread_cond_timedwait (cond=0x7f24667fb580,
mutex=0x7f24667fb558, abstime=0x7f24667fb460) at pthread_cond_wait.c:667
#3  0x00007f24efe03a37 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f24efe0630a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f24efdd8370 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f24efdf7c8b in base::RunLoop::Run() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f24efe19204 in base::Thread::ThreadMain() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f24efe14c81 in base::(anonymous namespace)::ThreadFunc(void*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#10 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f24677fe700 (LWP 27011)):
#0  0x00007f24f67b73a9 in futex_reltimed_wait_cancelable (private=0,
reltime=0x7f24677fd3c0, expected=0, futex_word=0x7f24677fd5a8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f24f67b73a9 in __pthread_cond_wait_common (abstime=0x7f24677fd460,
mutex=0x7f24677fd558, cond=0x7f24677fd580) at pthread_cond_wait.c:533
#2  0x00007f24f67b73a9 in __pthread_cond_timedwait (cond=0x7f24677fd580,
mutex=0x7f24677fd558, abstime=0x7f24677fd460) at pthread_cond_wait.c:667
#3  0x00007f24efe03a37 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f24efe0630a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f24efdd8370 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f24efdf7c8b in base::RunLoop::Run() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f24efe19204 in base::Thread::ThreadMain() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f24efe14c81 in base::(anonymous namespace)::ThreadFunc(void*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#10 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f2467fff700 (LWP 27010)):
#0  0x00007f24f67b6fbc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x564f98969cd8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f24f67b6fbc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x564f98969c18, cond=0x564f98969cb0) at pthread_cond_wait.c:502
#2  0x00007f24f67b6fbc in __pthread_cond_wait (cond=0x564f98969cb0,
mutex=0x564f98969c18) at pthread_cond_wait.c:655
#3  0x00007f24efe03969 in base::ConditionVariable::Wait() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f24f07697d8 in cc::SingleThreadTaskGraphRunner::Run() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f24efe1bd86 in base::SimpleThread::ThreadMain() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f24efe14c81 in base::(anonymous namespace)::ThreadFunc(void*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#8  0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f248cff9700 (LWP 27009)):
#0  0x00007f24f67b6fbc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x7f248cff85f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f24f67b6fbc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f248cff85a8, cond=0x7f248cff85d0) at pthread_cond_wait.c:502
#2  0x00007f24f67b6fbc in __pthread_cond_wait (cond=0x7f248cff85d0,
mutex=0x7f248cff85a8) at pthread_cond_wait.c:655
#3  0x00007f24efe03969 in base::ConditionVariable::Wait() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f24efe06318 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f24efe063af in base::WaitableEvent::Wait() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f24efe0a998 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f24efe0bc7f in base::internal::SchedulerWorker::Thread::ThreadMain()
() at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f24efe14c81 in base::(anonymous namespace)::ThreadFunc(void*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#10 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f248d7fa700 (LWP 27008)):
#0  0x00007f24f8f84a8b in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:63
#1  0x00007f24f8f86814 in ___fprintf_chk (fp=0x7f24f903b8b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f24eada2848 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f24ead8aa5a in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f24ead8ac34 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f24ead8c588 in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f24ead82329 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f24efdd8779 in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f24efdf7c8b in base::RunLoop::Run() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f24eef08dba in
content::BrowserThreadImpl::IOThreadRun(base::RunLoop*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f24eef09267 in content::BrowserThreadImpl::Run(base::RunLoop*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f24efe19338 in base::Thread::ThreadMain() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f24efe14c81 in base::(anonymous namespace)::ThreadFunc(void*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#13 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f248dffb700 (LWP 27007)):
#0  0x00007f24f67b6fbc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x7f248dffa5f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f24f67b6fbc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f248dffa5a8, cond=0x7f248dffa5d0) at pthread_cond_wait.c:502
#2  0x00007f24f67b6fbc in __pthread_cond_wait (cond=0x7f248dffa5d0,
mutex=0x7f248dffa5a8) at pthread_cond_wait.c:655
#3  0x00007f24efe03969 in base::ConditionVariable::Wait() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f24efe06318 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f24efe063af in base::WaitableEvent::Wait() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f24efe0a998 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f24efe0bc7f in base::internal::SchedulerWorker::Thread::ThreadMain()
() at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f24efe14c81 in base::(anonymous namespace)::ThreadFunc(void*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#10 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f248e7fc700 (LWP 27006)):
#0  0x00007f24f67b6fbc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x7f248e7fb5f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f24f67b6fbc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f248e7fb5a8, cond=0x7f248e7fb5d0) at pthread_cond_wait.c:502
#2  0x00007f24f67b6fbc in __pthread_cond_wait (cond=0x7f248e7fb5d0,
mutex=0x7f248e7fb5a8) at pthread_cond_wait.c:655
#3  0x00007f24efe03969 in base::ConditionVariable::Wait() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f24efe06318 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f24efe063af in base::WaitableEvent::Wait() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f24efe0a998 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f24efe0be61 in base::internal::SchedulerWorker::Thread::ThreadMain()
() at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f24efe14c81 in base::(anonymous namespace)::ThreadFunc(void*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#10 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f248effd700 (LWP 27005)):
#0  0x00007f24f67b6fbc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x7f248effc5f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f24f67b6fbc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f248effc5a8, cond=0x7f248effc5d0) at pthread_cond_wait.c:502
#2  0x00007f24f67b6fbc in __pthread_cond_wait (cond=0x7f248effc5d0,
mutex=0x7f248effc5a8) at pthread_cond_wait.c:655
#3  0x00007f24efe03969 in base::ConditionVariable::Wait() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f24efe06318 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f24efe063af in base::WaitableEvent::Wait() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f24efe0a998 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f24efe0bc7f in base::internal::SchedulerWorker::Thread::ThreadMain()
() at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f24efe14c81 in base::(anonymous namespace)::ThreadFunc(void*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#10 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f248f7fe700 (LWP 27004)):
#0  0x00007f24f67b6fbc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x7f248f7fd5f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f24f67b6fbc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f248f7fd5a8, cond=0x7f248f7fd5d0) at pthread_cond_wait.c:502
#2  0x00007f24f67b6fbc in __pthread_cond_wait (cond=0x7f248f7fd5d0,
mutex=0x7f248f7fd5a8) at pthread_cond_wait.c:655
#3  0x00007f24efe03969 in base::ConditionVariable::Wait() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f24efe06318 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f24efe063af in base::WaitableEvent::Wait() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f24efe0a998 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f24efe0bc7f in base::internal::SchedulerWorker::Thread::ThreadMain()
() at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f24efe14c81 in base::(anonymous namespace)::ThreadFunc(void*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#10 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f248ffff700 (LWP 27003)):
#0  0x00007f24f67b6fbc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x7f248fffe5f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f24f67b6fbc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f248fffe5a8, cond=0x7f248fffe5d0) at pthread_cond_wait.c:502
#2  0x00007f24f67b6fbc in __pthread_cond_wait (cond=0x7f248fffe5d0,
mutex=0x7f248fffe5a8) at pthread_cond_wait.c:655
#3  0x00007f24efe03969 in base::ConditionVariable::Wait() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f24efe06318 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f24efe063af in base::WaitableEvent::Wait() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f24efe0a998 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f24efe0bc7f in base::internal::SchedulerWorker::Thread::ThreadMain()
() at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f24efe14c81 in base::(anonymous namespace)::ThreadFunc(void*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#10 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f24a67fc700 (LWP 26999)):
#0  0x00007f24f67b73a9 in futex_reltimed_wait_cancelable (private=0,
reltime=0x7f24a67fb400, expected=0, futex_word=0x7f24a67fb5e8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f24f67b73a9 in __pthread_cond_wait_common (abstime=0x7f24a67fb4a0,
mutex=0x7f24a67fb598, cond=0x7f24a67fb5c0) at pthread_cond_wait.c:533
#2  0x00007f24f67b73a9 in __pthread_cond_timedwait (cond=0x7f24a67fb5c0,
mutex=0x7f24a67fb598, abstime=0x7f24a67fb4a0) at pthread_cond_wait.c:667
#3  0x00007f24efe03a37 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f24efe0630a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f24efe063f2 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f24efe0a981 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f24efe0be61 in base::internal::SchedulerWorker::Thread::ThreadMain()
() at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f24efe14c81 in base::(anonymous namespace)::ThreadFunc(void*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#10 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f24a77fe700 (LWP 26997)):
#0  0x00007f24f67b73a9 in futex_reltimed_wait_cancelable (private=0,
reltime=0x7f24a77fd400, expected=0, futex_word=0x7f24a77fd5e8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f24f67b73a9 in __pthread_cond_wait_common (abstime=0x7f24a77fd4a0,
mutex=0x7f24a77fd598, cond=0x7f24a77fd5c0) at pthread_cond_wait.c:533
#2  0x00007f24f67b73a9 in __pthread_cond_timedwait (cond=0x7f24a77fd5c0,
mutex=0x7f24a77fd598, abstime=0x7f24a77fd4a0) at pthread_cond_wait.c:667
#3  0x00007f24efe03a37 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f24efe0630a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f24efe063f2 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f24efe0a981 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f24efe0be61 in base::internal::SchedulerWorker::Thread::ThreadMain()
() at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f24efe14c81 in base::(anonymous namespace)::ThreadFunc(void*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#10 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f24a7fff700 (LWP 26996)):
#0  0x00007f24f8f84a8b in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:63
#1  0x00007f24f8f86814 in ___fprintf_chk (fp=0x7f24f903b8b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f24eada2848 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f24ead8aa5a in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f24ead8ac34 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f24ead8c588 in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f24ead82329 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f24efdd8779 in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f24efdf7c8b in base::RunLoop::Run() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f24efe19204 in base::Thread::ThreadMain() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f24efe14c81 in base::(anonymous namespace)::ThreadFunc(void*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#11 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f24c0820700 (LWP 26995)):
#0  0x00007f24f67b6fbc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x7f24c081f588) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f24f67b6fbc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f24c081f538, cond=0x7f24c081f560) at pthread_cond_wait.c:502
#2  0x00007f24f67b6fbc in __pthread_cond_wait (cond=0x7f24c081f560,
mutex=0x7f24c081f538) at pthread_cond_wait.c:655
#3  0x00007f24efe03969 in base::ConditionVariable::Wait() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f24efe06318 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f24efe063af in base::WaitableEvent::Wait() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f24efdd835f in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f24efdf7c8b in base::RunLoop::Run() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f24efe19204 in base::Thread::ThreadMain() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f24efe14c81 in base::(anonymous namespace)::ThreadFunc(void*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#11 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f24c1021700 (LWP 26994)):
#0  0x00007f24f8f84a8b in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:63
#1  0x00007f24f8f86814 in ___fprintf_chk (fp=0x7f24f903b8b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f24eada2848 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f24ead8aa5a in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f24ead8ac34 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f24ead8c588 in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f24ead82329 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f24efdd87cd in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f24efdf7c8b in base::RunLoop::Run() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f24efe19204 in base::Thread::ThreadMain() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f24efe14c81 in base::(anonymous namespace)::ThreadFunc(void*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#11 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f24c3752700 (LWP 26970)):
#0  0x00007f24f8f84b42 in __libc_disable_asynccancel () at
../sysdeps/unix/sysv/linux/x86_64/cancellation.S:85
#1  0x00007f24f8f68789 in __GI___libc_read (nbytes=16, buf=0x7f24c3751480,
fd=17) at ../sysdeps/unix/sysv/linux/read.c:26
#2  0x00007f24f8f68789 in __GI___libc_read (fd=17, buf=0x7f24c3751480,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#3  0x00007f24f5c72950 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f24f5c2caef in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f24f5c2cfc0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f24f5c2d13c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f24f947f16b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f24f942c14b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f24f927b106 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f24f9284cd7 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#12 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f24d58f9700 (LWP 26955)):
#0  0x00007f24f8f6cb49 in __GI___poll (fds=0x7f24bc02b650, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f24f5c2d016 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f24f5c2d13c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f24f947f16b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f24f942c14b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f24f927b106 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f24f9284cd7 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#8  0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f24d60fa700 (LWP 26952)):
#0  0x00007f24fa79917b in __tls_get_addr () at
../sysdeps/x86_64/tls_get_addr.S:49
#1  0x00007f24f9284056 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f24f947f611 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f24f5c2c9f1 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f24f5c2cfc0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f24f5c2d13c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f24f947f16b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f24f942c14b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f24f927b106 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f24f9284cd7 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#11 0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f24d68fb700 (LWP 26951)):
#0  0x00007f24f8f6cb49 in __GI___poll (fds=0x7f24c4004a10, nfds=1,
timeout=9347) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f24f5c2d016 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f24f5c2d13c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f24f947f16b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f24f942c14b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f24f927b106 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f24f9284cd7 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#8  0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f24d7b0c700 (LWP 26950)):
#0  0x00007f24f8f6cb49 in __GI___poll (fds=0x7f24cc03db10, nfds=1,
timeout=3353) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f24f5c2d016 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f24f5c2d13c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f24f947f16b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f24f942c14b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f24f927b106 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f24f8a57545 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f24f9284cd7 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#9  0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f24ddaf6700 (LWP 26949)):
#0  0x00007f24f67b6fbc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x564f97fbf6cc) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f24f67b6fbc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x564f97fbf678, cond=0x564f97fbf6a0) at pthread_cond_wait.c:502
#2  0x00007f24f67b6fbc in __pthread_cond_wait (cond=0x564f97fbf6a0,
mutex=0x564f97fbf678) at pthread_cond_wait.c:655
#3  0x00007f24de12db32 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f24de12d6f7 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f24f67b0fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#6  0x00007f24f8f7780f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f24e04daf00 (LWP 26945)):
[KCrash Handler]
#6  0x00007f24f76de15a in QHash<QByteArray,
Akonadi::Attribute*>::findNode(QByteArray const&, unsigned int*) const
(this=this at entry=0x28, akey=..., ahp=ahp at entry=0x0) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qhash.h:926
#7  0x00007f24f77242ef in QHash<QByteArray,
Akonadi::Attribute*>::contains(QByteArray const&) const (akey=..., this=0x28)
at /usr/include/x86_64-linux-gnu/qt5/QtCore/qhash.h:904
#8  0x00007f24f77242ef in Akonadi::Item::hasAttribute(QByteArray const&) const
(this=this at entry=0x7f24f94e8630, type=...) at ./src/core/item.cpp:253
#9  0x00007f24f780ea7e in
Akonadi::EntityTreeModelPrivate::isHiddenImpl<Akonadi::Item>(Akonadi::Item
const&, Node::Type) const (this=0x564f98590fb0, entity=..., type=<optimized
out>) at ./src/core/models/entitytreemodel_p.cpp:281
#10 0x00007f24f780c154 in
Akonadi::EntityTreeModelPrivate::isHidden(Akonadi::Item const&) const
(item=..., this=0x564f98590fb0) at ./src/core/models/entitytreemodel_p.cpp:1118
#11 0x00007f24f780c154 in
Akonadi::EntityTreeModelPrivate::monitoredItemRemoved(Akonadi::Item const&,
Akonadi::Collection const&) (this=this at entry=0x564f98590fb0, item=...,
parentCollection=...) at ./src/core/models/entitytreemodel_p.cpp:1118
#12 0x00007f24f77fc42a in
Akonadi::EntityTreeModel::qt_static_metacall(QObject*, QMetaObject::Call, int,
void**) (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>,
_a=0x7ffec9c77c60) at ./src/core/models/entitytreemodel.h:681
#13 0x00007f24f94566cb in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f24f7736995 in Akonadi::Monitor::itemRemoved(Akonadi::Item const&)
(this=this at entry=0x564f98473e10, _t1=...) at
./obj-x86_64-linux-gnu/src/core/KF5AkonadiCore_autogen/include/moc_monitor.cpp:946
#15 0x00007f24f77411df in
Akonadi::MonitorPrivate::emitItemsNotification(Akonadi::Protocol::ItemChangeNotification
const&, QVector<Akonadi::Item> const&, Akonadi::Collection const&,
Akonadi::Collection const&) (this=0x564f98453f60, msg_=..., items=...,
collection=..., collectionDest=...) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qarraydata.h:209
#16 0x00007f24f7741dcc in
Akonadi::MonitorPrivate::emitNotification(QSharedPointer<Akonadi::Protocol::ChangeNotification>
const&) (this=this at entry=0x564f98453f60, msg=...) at
./src/core/monitor_p.cpp:558
#17 0x00007f24f76edd9e in
Akonadi::ChangeRecorderPrivate::emitNotification(QSharedPointer<Akonadi::Protocol::ChangeNotification>
const&) (this=0x564f98453f60, msg=...) at ./src/core/changerecorder_p.cpp:369
#18 0x00007f24f7744a41 in Akonadi::MonitorPrivate::flushPipeline()
(this=0x564f98453f60) at ./src/core/monitor_p.cpp:983
#19 0x00007f24f7744d89 in Akonadi::MonitorPrivate::dataAvailable()
(this=0x564f98453f60) at ./src/core/monitor_p.cpp:992
#20 0x00007f24f7738299 in Akonadi::Monitor::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) (_o=<optimized out>, _c=<optimized out>,
_id=<optimized out>, _a=<optimized out>) at
./obj-x86_64-linux-gnu/src/core/KF5AkonadiCore_autogen/include/moc_monitor.cpp:339
#21 0x00007f24f94566cb in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f24f76e1713 in Akonadi::EntityCache<Akonadi::Collection,
Akonadi::CollectionFetchJob,
Akonadi::CollectionFetchScope>::processResult(KJob*) (this=0x7f24cc03b840,
job=<optimized out>) at ./src/core/entitycache_p.h:245
#23 0x00007f24f771b3e4 in
Akonadi::EntityCacheBase::qt_static_metacall(QObject*, QMetaObject::Call, int,
void**) (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>,
_a=<optimized out>) at
./obj-x86_64-linux-gnu/src/core/KF5AkonadiCore_autogen/include/moc_entitycache_p.cpp:82
#24 0x00007f24f94566cb in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f24fa2e0c6c in KJob::result(KJob*, KJob::QPrivateSignal)
(this=this at entry=0x564fa66a10d0, _t1=<optimized out>, _t1 at entry=0x564fa66a10d0,
_t2=...) at
./obj-x86_64-linux-gnu/src/lib/KF5CoreAddons_autogen/include/moc_kjob.cpp:569
#26 0x00007f24fa2e1733 in KJob::finishJob(bool) (this=0x564fa66a10d0,
emitResult=<optimized out>) at ./src/lib/jobs/kjob.cpp:109
#27 0x00007f24f94624a6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f24f9456f3b in QObject::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f24f9da3491 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007f24f9daaad0 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007f24f942d479 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f24f947e568 in QTimerInfoList::activateTimers() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007f24f947edc4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f24f5c2ce0e in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f24f5c2d0a8 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f24f5c2d13c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f24f947f153 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007f24e0118861 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#39 0x00007f24f942c14b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00007f24f94342c2 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x0000564f9663d33b in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qcoreapplication.h:116
[Inferior 1 (process 26945) detached]

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