[kmail2] [Bug 404492] New: Kmail show empty printpreview and crashes after closing it, and producing empty print

Hendrik Lehmbruch bugzilla_noreply at kde.org
Sun Feb 17 20:31:03 GMT 2019


https://bugs.kde.org/show_bug.cgi?id=404492

            Bug ID: 404492
           Summary: Kmail show empty printpreview and crashes after
                    closing it, and producing empty print
           Product: kmail2
           Version: 5.9.3
          Platform: Debian stable
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: hlehmbruch at gmx.net
  Target Milestone: ---

Application: kmail (5.9.3)

Qt Version: 5.11.3
Frameworks Version: 5.54.0
Operating System: Linux 4.20.9-towo.1-siduction-amd64 x86_64
Distribution: Debian GNU/Linux buster/sid

-- Information about the crash:
- What I was doing when the application crashed:
I tried to print a message, html or text.
The printpreview shows an empty page, when closing the preview kmail chrashes.
If i try to print, an empty page is prorceeded.

~$ LANG=C kmail
org.kde.pim.kidentitymanagement: IdentityManager: There was no default
identity. Marking first one as default.
No text-to-speech plug-ins were found.
Failure to generate QImage from invalid or empty PDF document.
QIODevice::read (QLocalSocket): device not open
QIODevice::read (QLocalSocket): device not open
*** KMail got signal 11 (Exiting)
*** Dead letters dumped.
/tmp/messageviewer_TlucUh.index.2 was removed .
KCrash: crashing... crashRecursionCounter = 2
KCrash: Application Name = kmail path = /usr/bin pid = 19477
KCrash: Arguments: /usr/bin/kmail
KCrash: Attempting to start /usr/lib/x86_64-linux-gnu/libexec/drkonqi from
kdeinit
sock_file=/run/user/1000/kdeinit5__0

[1]+  Angehalten              LANG=C kmail

-- Backtrace:
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 0x7f85b9765f00 (LWP 31602))]

Thread 33 (Thread 0x7f85137fe700 (LWP 31682)):
#0  0x00007f85cf04e3a9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f85c8897a37 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f85c889a30a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f85c889a3f2 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f85c889e981 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f85c889fe61 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 32 (Thread 0x7f8513fff700 (LWP 31681)):
#0  0x00007f85cf04e3a9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f85c8897a37 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f85c889a30a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f85c889a3f2 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f85c889e981 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f85c889fe61 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 31 (Thread 0x7f852db6b700 (LWP 31679)):
#0  0x00007f85cf04dfbc in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f85c6309e4a in ?? () from /lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f85c6309e69 in ?? () from /lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 30 (Thread 0x7f852e739700 (LWP 31666)):
#0  0x00007f85d17ff774 in read () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f85ce509aa0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f85ce4c3c0f in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f85ce4c40e0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f85ce4c425c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f85d1d1704b in QEventDispatcherGlib::processEvents
(this=0x7f850c001d30, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f85d1cc414b in QEventLoop::exec (this=this at entry=0x7f852e7386a0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#7  0x00007f85d1b130d6 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#8  0x00007f85d1b1cc77 in QThreadPrivate::start (arg=0x561e8f618020) at
thread/qthread_unix.cpp:367
#9  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 29 (Thread 0x7f852ef3a700 (LWP 31648)):
#0  0x00007f85d17ff774 in read () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f85bf754fc1 in pa_read () from
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-12.2.so
#2  0x00007f85c40264fe in pa_mainloop_prepare () from
/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f85c4026f60 in pa_mainloop_iterate () from
/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f85c4027020 in pa_mainloop_run () from
/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f85c4035049 in ?? () from /lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f85bf7844f8 in ?? () from
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-12.2.so
#7  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 28 (Thread 0x7f8550ff9700 (LWP 31647)):
#0  0x00007f85d181ba8b in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f85d181d814 in __fprintf_chk () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f85c3a1ca5a in event_logv_ () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f85c3a1cc34 in event_warn () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f85c3a1e588 in ?? () from /lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f85c3a14329 in event_base_loop () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f85c886c779 in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f85c888bc8b in base::RunLoop::Run() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f85c88ad204 in base::Thread::ThreadMain() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 27 (Thread 0x7f85517fa700 (LWP 31646)):
#0  0x00007f85cf04e3a9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f85c8897a37 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f85c889a30a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f85c886c370 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f85c888bc8b in base::RunLoop::Run() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f85c88ad204 in base::Thread::ThreadMain() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 26 (Thread 0x7f8551ffb700 (LWP 31645)):
#0  0x00007f85cf04e3a9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f85c8897a37 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f85c889a30a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f85c886c370 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f85c888bc8b in base::RunLoop::Run() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f85c88ad204 in base::Thread::ThreadMain() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 25 (Thread 0x7f85527fc700 (LWP 31644)):
#0  0x00007f85cf04dfbc in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f85c8897969 in base::ConditionVariable::Wait() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f85c91fd7d8 in cc::SingleThreadTaskGraphRunner::Run() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f85c88afd86 in base::SimpleThread::ThreadMain() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 24 (Thread 0x7f8552ffd700 (LWP 31643)):
#0  0x00007f85cf04dfbc in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f85c8897969 in base::ConditionVariable::Wait() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f85c889a318 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f85c889a3af in base::WaitableEvent::Wait() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f85c889e998 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f85c889fe61 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 23 (Thread 0x7f85537fe700 (LWP 31642)):
#0  0x00007f85d181ba8b in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f85d181d814 in __fprintf_chk () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f85c3a1ca5a in event_logv_ () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f85c3a1cc34 in event_warn () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f85c3a1e588 in ?? () from /lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f85c3a14329 in event_base_loop () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f85c886c8b4 in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f85c888bc8b in base::RunLoop::Run() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f85c799cdba in
content::BrowserThreadImpl::IOThreadRun(base::RunLoop*) () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f85c799d267 in content::BrowserThreadImpl::Run(base::RunLoop*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f85c88ad338 in base::Thread::ThreadMain() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#13 0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 22 (Thread 0x7f8553fff700 (LWP 31641)):
#0  0x00007f85cf04dfbc in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f85c8897969 in base::ConditionVariable::Wait() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f85c889a318 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f85c889a3af in base::WaitableEvent::Wait() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f85c889e998 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f85c889fc7f in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 21 (Thread 0x7f8570ff9700 (LWP 31640)):
#0  0x00007f85cf04dfbc in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f85c8897969 in base::ConditionVariable::Wait() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f85c889a318 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f85c889a3af in base::WaitableEvent::Wait() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f85c889e998 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f85c889fe61 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 20 (Thread 0x7f85717fa700 (LWP 31639)):
#0  0x00007f85cf04dfbc in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f85c8897969 in base::ConditionVariable::Wait() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f85c889a318 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f85c889a3af in base::WaitableEvent::Wait() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f85c889e998 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f85c889fc7f in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 19 (Thread 0x7f8571ffb700 (LWP 31638)):
#0  0x00007f85cf04dfbc in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f85c8897969 in base::ConditionVariable::Wait() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f85c889a318 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f85c889a3af in base::WaitableEvent::Wait() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f85c889e998 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f85c889fc7f in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 18 (Thread 0x7f85727fc700 (LWP 31637)):
#0  0x00007f85cf04dfbc in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f85c8897969 in base::ConditionVariable::Wait() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f85c889a318 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f85c889a3af in base::WaitableEvent::Wait() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f85c889e998 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f85c889fc7f in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 17 (Thread 0x7f8572ffd700 (LWP 31636)):
#0  0x00007f85cf04e3a9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f85c8897a37 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f85c889a30a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f85c889a3f2 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f85c889e981 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f85c889fc7f in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 16 (Thread 0x7f85737fe700 (LWP 31635)):
#0  0x00007f85cf04e3a9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f85c8897a37 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f85c889a30a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f85c889a3f2 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f85c889e981 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f85c889fe61 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 15 (Thread 0x7f8573fff700 (LWP 31634)):
#0  0x00007f85cf04e3a9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f85c8897a37 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f85c889a30a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f85c889a3f2 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f85c889e981 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f85c889fe61 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 14 (Thread 0x7f8588ff9700 (LWP 31633)):
#0  0x00007f85cf04e3a9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f85c8897a37 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f85c889a30a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f85c889a3f2 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f85c889e981 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f85c889fe61 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 13 (Thread 0x7f85897fa700 (LWP 31632)):
#0  0x00007f85cf04e3a9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f85c8897a37 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f85c889a30a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f85c889a3f2 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f85c889e981 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f85c889fe61 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 12 (Thread 0x7f8589ffb700 (LWP 31631)):
#0  0x00007f85cf04e3a9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f85c8897a37 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f85c889a30a in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f85c889a3f2 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f85c889e981 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f85c889fe61 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 11 (Thread 0x7f858a7fc700 (LWP 31630)):
#0  0x00007f85d17ff817 in write () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f85d179062d in _IO_file_write () from
/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f85d178f9cf in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#3  0x00007f85d1790d5e in _IO_file_xsputn () from
/lib/x86_64-linux-gnu/libc.so.6
#4  0x00007f85d1767b32 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x00007f85d17650b2 in vfprintf () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f85d181d866 in __fprintf_chk () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x00007f85c3a1ca5a in event_logv_ () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f85c3a1cc34 in event_warn () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007f85c3a1e588 in ?? () from /lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007f85c3a14329 in event_base_loop () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007f85c886c779 in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f85c888bc8b in base::RunLoop::Run() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f85c88ad204 in base::Thread::ThreadMain() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#16 0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 10 (Thread 0x7f858affd700 (LWP 31629)):
#0  0x00007f85cf04dfbc in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f85c8897969 in base::ConditionVariable::Wait() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f85c889a318 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f85c889a3af in base::WaitableEvent::Wait() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f85c886c35f in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f85c888bc8b in base::RunLoop::Run() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f85c88ad204 in base::Thread::ThreadMain() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 9 (Thread 0x7f858b7fe700 (LWP 31628)):
#0  0x00007f85c885f9e1 in base::GetProgramCounter() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#1  0x00007f85c8899a8b in base::internal::LockImpl::Lock() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f85c8868422 in
base::internal::IncomingTaskQueue::ReloadWorkQueue(std::queue<base::PendingTask,
base::circular_deque<base::PendingTask> >*) () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f85c8868509 in
base::internal::IncomingTaskQueue::TriageQueue::ReloadFromIncomingQueueIfEmpty()
[clone .part.139] () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f85c8868589 in
base::internal::IncomingTaskQueue::TriageQueue::HasTasks() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f85c8869cfb in base::MessageLoop::DoWork() [clone .part.202] () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f85c886c762 in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f85c888bc8b in base::RunLoop::Run() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f85c88ad204 in base::Thread::ThreadMain() () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f85c88a8c81 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 8 (Thread 0x7f8599fc8700 (LWP 31619)):
#0  0x00007f85d1803b49 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f85ce4c4136 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f85ce4c425c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f85d1d1704b in QEventDispatcherGlib::processEvents
(this=0x7f858c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f85d1cc414b in QEventLoop::exec (this=this at entry=0x7f8599fc76a0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007f85d1b130d6 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007f85d1b1cc77 in QThreadPrivate::start (arg=0x561e8acba6e0) at
thread/qthread_unix.cpp:367
#7  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 7 (Thread 0x7f859bfff700 (LWP 31609)):
#0  0x00007f85ce50de84 in g_mutex_unlock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f85ce4c412b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f85ce4c425c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f85d1d1704b in QEventDispatcherGlib::processEvents
(this=0x7f8594000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f85d1cc414b in QEventLoop::exec (this=this at entry=0x7f859bffe6a0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007f85d1b130d6 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007f85d1b1cc77 in QThreadPrivate::start (arg=0x561e8a6f2d10) at
thread/qthread_unix.cpp:367
#7  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 6 (Thread 0x7f85ac981700 (LWP 31608)):
#0  0x00007f85d1803b49 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f85ce4c4136 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f85ce4c425c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f85d1d1704b in QEventDispatcherGlib::processEvents
(this=0x7f85a0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f85d1cc414b in QEventLoop::exec (this=this at entry=0x7f85ac9806a0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007f85d1b130d6 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007f85d1b1cc77 in QThreadPrivate::start (arg=0x561e8a6ec390) at
thread/qthread_unix.cpp:367
#7  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 5 (Thread 0x7f85ad213700 (LWP 31607)):
#0  0x00007f85ce50de69 in g_mutex_lock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f85ce4c396f in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f85ce4c40e0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f85ce4c425c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f85d1d1704b in QEventDispatcherGlib::processEvents
(this=0x7f859c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f85d1cc414b in QEventLoop::exec (this=this at entry=0x7f85ad2126a0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#6  0x00007f85d1b130d6 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#7  0x00007f85d1b1cc77 in QThreadPrivate::start (arg=0x561e8ab8a0f0) at
thread/qthread_unix.cpp:367
#8  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 4 (Thread 0x7f85af4e9700 (LWP 31606)):
#0  0x00007f85cf04dfbc in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f85af744b32 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#2  0x00007f85af7446f7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#3  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 3 (Thread 0x7f85b570c700 (LWP 31605)):
#0  0x00007f85d17ff774 in read () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f85ce509aa0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f85ce4c3c0f in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f85ce4c40e0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f85ce4c425c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f85d1d1704b in QEventDispatcherGlib::processEvents
(this=0x7f85a8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f85d1cc414b in QEventLoop::exec (this=this at entry=0x7f85b570b670,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#7  0x00007f85d1b130d6 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#8  0x00007f85d12ee545 in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f85d1b1cc77 in QThreadPrivate::start (arg=0x7f85d1368d60) at
thread/qthread_unix.cpp:367
#10 0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 2 (Thread 0x7f85b622c700 (LWP 31604)):
#0  0x00007f85d1803b49 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f85ce2b7cf7 in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f85ce2b991a in xcb_wait_for_event () from
/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f85b690d519 in QXcbEventReader::run (this=0x561e8a681090) at
qxcbconnection.h:409
#4  0x00007f85d1b1cc77 in QThreadPrivate::start (arg=0x561e8a681090) at
thread/qthread_unix.cpp:367
#5  0x00007f85cf047fa3 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007f85d180e80f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7f85b9765f00 (LWP 31602)):
[KCrash Handler]
#6  0x0000000000000191 in ?? ()
#7  0x00007f85c7c91d95 in content::RenderProcessHostImpl::ShutdownRequest() ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f85c748f2a5 in
content::mojom::RendererHostStubDispatch::Accept(content::mojom::RendererHost*,
mojo::Message*) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f85c90d5cbd in
mojo::InterfaceEndpointClient::HandleValidatedMessage(mojo::Message*) [clone
.part.122] () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f85c910e959 in IPC::(anonymous
namespace)::ChannelAssociatedGroupController::AcceptOnProxyThread(mojo::Message)
() from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f85c910e43e in void
base::internal::Invoker<base::internal::BindState<void (IPC::(anonymous
namespace)::ChannelAssociatedGroupController::*)(mojo::Message),
scoped_refptr<IPC::(anonymous namespace)::ChannelAssociatedGroupController>,
base::internal::PassedWrapper<mojo::Message> >, void ()>::RunImpl<void
(IPC::(anonymous namespace)::ChannelAssociatedGroupController::*
const&)(mojo::Message), std::tuple<scoped_refptr<IPC::(anonymous
namespace)::ChannelAssociatedGroupController>,
base::internal::PassedWrapper<mojo::Message> > const&, 0ul, 1ul>(void
(IPC::(anonymous namespace)::ChannelAssociatedGroupController::*
const&)(mojo::Message), std::tuple<scoped_refptr<IPC::(anonymous
namespace)::ChannelAssociatedGroupController>,
base::internal::PassedWrapper<mojo::Message> > const&,
std::integer_sequence<unsigned long, 0ul, 1ul>) [clone .isra.234] () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f85c8848688 in base::debug::TaskAnnotator::RunTask(char const*,
base::PendingTask*) () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f85c886910a in base::MessageLoop::RunTask(base::PendingTask*) ()
from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f85c8869baf in
base::MessageLoop::DeferOrRunPendingTask(base::PendingTask) () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f85c8869d48 in base::MessageLoop::DoWork() [clone .part.202] () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007f85c727758d in QtWebEngineCore::(anonymous
namespace)::MessagePumpForUIQt::customEvent(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007f85d1ceee0b in QObject::event (this=0x561e8ad66a70, e=<optimized
out>) at kernel/qobject.cpp:1232
#18 0x00007f85d263b491 in QApplicationPrivate::notify_helper
(this=this at entry=0x561e8a626e80, receiver=receiver at entry=0x561e8ad66a70,
e=e at entry=0x561e8af6ec30) at kernel/qapplication.cpp:3726
#19 0x00007f85d2642ac0 in QApplication::notify (this=0x7ffce2563970,
receiver=0x561e8ad66a70, e=0x561e8af6ec30) at kernel/qapplication.cpp:3485
#20 0x00007f85d1cc5479 in QCoreApplication::notifyInternal2
(receiver=0x561e8ad66a70, event=0x561e8af6ec30) at
../../include/QtCore/5.11.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:307
#21 0x00007f85d1cc846b in QCoreApplication::sendEvent (event=0x561e8af6ec30,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#22 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0,
data=0x561e8a645500) at kernel/qcoreapplication.cpp:1744
#23 0x00007f85d1d17a03 in postEventSourceDispatch (s=0x561e8a719150) at
kernel/qeventdispatcher_glib.cpp:276
#24 0x00007f85ce4c3f2e in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f85ce4c41c8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f85ce4c425c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f85d1d17033 in QEventDispatcherGlib::processEvents
(this=0x561e8a6a7770, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#28 0x00007f85b69a08d1 in QPAEventDispatcherGlib::processEvents
(this=0x561e8a6a7770, flags=...) at qeventdispatcher_glib.cpp:69
#29 0x00007f85d1cc414b in QEventLoop::exec (this=this at entry=0x7ffce25634b0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#30 0x00007f85d1ccc2b2 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#31 0x0000561e89e2933b in main (argc=<optimized out>, argv=<optimized out>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qcoreapplication.h:116
[Inferior 1 (process 31602) detached]

Possible duplicates by query: bug 403625, bug 401854, bug 401826, bug 401394,
bug 401330.

Reported using DrKonqi

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