[kmail2] [Bug 402855] New: kmail crashed after weird message about folder deletion

kavol bugzilla_noreply at kde.org
Fri Jan 4 14:23:20 GMT 2019


https://bugs.kde.org/show_bug.cgi?id=402855

            Bug ID: 402855
           Summary: kmail crashed after weird message about folder
                    deletion
           Product: kmail2
           Version: unspecified
          Platform: Compiled Sources
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: kavol at seznam.cz
  Target Milestone: ---

Application: kmail (5.9.3)
 (Compiled from sources)
Qt Version: 5.11.1
Frameworks Version: 5.52.0
Operating System: Linux 4.14.83-gentoo x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
- What I was doing when the application crashed:
After some time of leaving the computer idle, an error message appeared. It
said something like that I have deleted the folder associated with the POP3
account and that the account will now store incoming mail into inbox.
That is nonsene - a) I couldn't have deleted anything while not touching the
computer, b) the local inbox was the only target dir configured for the POP3
account, so the message basically says that it will use the deleted folder ...
which, in fact, didn't get deleted.
After clicking okay in that dialogue, kmail crashed.

- Unusual behavior I noticed:

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff9b0fb7840 (LWP 3968))]

Thread 26 (Thread 0x7ff93bfff700 (LWP 13785)):
#0  0x00007ff9a3b678da in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007ff999089d47 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007ff99908b2a7 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007ff99908b392 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007ff999090411 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007ff999091999 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007ff99909c3b1 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#8  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 25 (Thread 0x7ff8e71ad700 (LWP 13142)):
#0  0x00007ff9a3b678da in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007ff999089d47 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007ff99908b2a7 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007ff99908b392 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007ff999090411 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007ff999091999 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007ff99909c3b1 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#8  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 24 (Thread 0x7ff8f1847700 (LWP 4038)):
#0  0x00007ff9a3b675ac in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007ff9941b2224 in QTWTF::TCMalloc_PageHeap::scavengerThread() () from
/usr/lib64/libQt5Script.so.5
#2  0x00007ff9941b2269 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*)
() from /usr/lib64/libQt5Script.so.5
#3  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#4  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 23 (Thread 0x7ff8f35f5700 (LWP 4025)):
#0  0x00007ff9ae1075f3 in poll () from /lib64/libc.so.6
#1  0x00007ff9a1c8d069 in g_main_context_iterate.isra () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007ff9a1c8d17c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007ff9aea6355b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#4  0x00007ff9aea0fe2a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#5  0x00007ff9ae875b2a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007ff9ae87f3ff in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#7  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#8  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 22 (Thread 0x7ff921ffb700 (LWP 4001)):
#0  0x00007ff9a3b678da in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007ff999089d47 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007ff99908b2a7 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007ff999055818 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from
/usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007ff99907cc6b in base::RunLoop::Run() () from
/usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007ff9990a09cf in base::Thread::ThreadMain() () from
/usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007ff99909c3b1 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#8  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 21 (Thread 0x7ff9227fc700 (LWP 4000)):
#0  0x00007ff9a3b675ac in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007ff999089c79 in base::ConditionVariable::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007ff999b2a898 in cc::SingleThreadTaskGraphRunner::Run() () from
/usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007ff9990a080c in base::SimpleThread::ThreadMain() () from
/usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007ff99909c3b1 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#6  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 20 (Thread 0x7ff922ffd700 (LWP 3999)):
#0  0x00007ff9a3b675ac in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007ff999089c79 in base::ConditionVariable::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007ff99908b2bc in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007ff99908b34f in base::WaitableEvent::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007ff999090428 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007ff999091999 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007ff99909c3b1 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#8  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 19 (Thread 0x7ff9237fe700 (LWP 3998)):
#0  0x00007ff9ae090e67 in _IO_default_xsputn () from /lib64/libc.so.6
#1  0x00007ff9ae05f622 in vfprintf () from /lib64/libc.so.6
#2  0x00007ff9ae124119 in __vsnprintf_chk () from /lib64/libc.so.6
#3  0x00007ff98db429c3 in evutil_vsnprintf () from /usr/lib64/libevent-2.1.so.6
#4  0x00007ff98db45e4d in event_logv_.part () from /usr/lib64/libevent-2.1.so.6
#5  0x00007ff98db46124 in event_warn () from /usr/lib64/libevent-2.1.so.6
#6  0x00007ff98db477e4 in epoll_dispatch () from /usr/lib64/libevent-2.1.so.6
#7  0x00007ff98db3d695 in event_base_loop () from /usr/lib64/libevent-2.1.so.6
#8  0x00007ff99905c5a1 in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from
/usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007ff99907cc6b in base::RunLoop::Run() () from
/usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007ff99815604a in
content::BrowserThreadImpl::IOThreadRun(base::RunLoop*) () from
/usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007ff99815666f in content::BrowserThreadImpl::Run(base::RunLoop*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007ff9990a0a88 in base::Thread::ThreadMain() () from
/usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007ff99909c3b1 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#15 0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 18 (Thread 0x7ff923fff700 (LWP 3997)):
#0  0x00007ff9a3b675ac in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007ff999089c79 in base::ConditionVariable::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007ff99908b2bc in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007ff99908b34f in base::WaitableEvent::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007ff999090428 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007ff9990917af in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007ff99909c3b1 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#8  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7ff938ff9700 (LWP 3996)):
#0  0x00007ff9a3b675ac in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007ff999089c79 in base::ConditionVariable::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007ff99908b2bc in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007ff99908b34f in base::WaitableEvent::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007ff999090428 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007ff999091999 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007ff99909c3b1 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#8  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7ff9397fa700 (LWP 3995)):
#0  0x00007ff9a3b675ac in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007ff999089c79 in base::ConditionVariable::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007ff99908b2bc in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007ff99908b34f in base::WaitableEvent::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007ff999090428 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007ff9990917af in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007ff99909c3b1 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#8  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7ff939ffb700 (LWP 3994)):
#0  0x00007ff9a3b675ac in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007ff999089c79 in base::ConditionVariable::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007ff99908b2bc in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007ff99908b34f in base::WaitableEvent::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007ff999090428 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007ff9990917af in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007ff99909c3b1 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#8  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7ff93a7fc700 (LWP 3993)):
#0  0x00007ff9a3b675ac in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007ff999089c79 in base::ConditionVariable::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007ff99908b2bc in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007ff99908b34f in base::WaitableEvent::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007ff999090428 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007ff9990917af in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007ff99909c3b1 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#8  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7ff948ff9700 (LWP 3989)):
#0  0x00007ff9a3b678da in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007ff999089d47 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007ff99908b2a7 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007ff99908b392 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007ff999090411 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007ff999091999 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007ff99909c3b1 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#8  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7ff949ffb700 (LWP 3987)):
#0  0x00007ff9a3b678da in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007ff999089d47 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007ff99908b2a7 in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007ff99908b392 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007ff999090411 in
base::internal::SchedulerWorker::Delegate::WaitForWork(base::WaitableEvent*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007ff999091999 in base::internal::SchedulerWorker::Thread::ThreadMain()
() from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007ff99909c3b1 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#8  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7ff94a7fc700 (LWP 3986)):
#0  0x00007ff9ae122439 in ?? () from /lib64/libc.so.6
#1  0x00007ff9ae124501 in __fprintf_chk () from /lib64/libc.so.6
#2  0x00007ff98db45f50 in event_logv_.part () from /usr/lib64/libevent-2.1.so.6
#3  0x00007ff98db46124 in event_warn () from /usr/lib64/libevent-2.1.so.6
#4  0x00007ff98db477e4 in epoll_dispatch () from /usr/lib64/libevent-2.1.so.6
#5  0x00007ff98db3d695 in event_base_loop () from /usr/lib64/libevent-2.1.so.6
#6  0x00007ff99905c5a1 in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from
/usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007ff99907cc6b in base::RunLoop::Run() () from
/usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007ff9990a09cf in base::Thread::ThreadMain() () from
/usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007ff99909c3b1 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#11 0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7ff94affd700 (LWP 3985)):
#0  0x00007ff9a3b675ac in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007ff999089c79 in base::ConditionVariable::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007ff99908b2bc in base::WaitableEvent::TimedWaitUntil(base::TimeTicks
const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007ff99908b34f in base::WaitableEvent::Wait() () from
/usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007ff99905580a in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from
/usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007ff99907cc6b in base::RunLoop::Run() () from
/usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007ff9990a09cf in base::Thread::ThreadMain() () from
/usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007ff99909c3b1 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#9  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7ff94b7fe700 (LWP 3984)):
#0  0x00007ff9ae122439 in ?? () from /lib64/libc.so.6
#1  0x00007ff9ae124501 in __fprintf_chk () from /lib64/libc.so.6
#2  0x00007ff98db45f50 in event_logv_.part () from /usr/lib64/libevent-2.1.so.6
#3  0x00007ff98db46124 in event_warn () from /usr/lib64/libevent-2.1.so.6
#4  0x00007ff98db477e4 in epoll_dispatch () from /usr/lib64/libevent-2.1.so.6
#5  0x00007ff98db3d695 in event_base_loop () from /usr/lib64/libevent-2.1.so.6
#6  0x00007ff99905c5f5 in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from
/usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007ff99907cc6b in base::RunLoop::Run() () from
/usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007ff9990a09cf in base::Thread::ThreadMain() () from
/usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007ff99909c3b1 in base::(anonymous namespace)::ThreadFunc(void*) ()
from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#11 0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7ff95200f700 (LWP 3979)):
#0  0x00007ff9ae1075f3 in poll () from /lib64/libc.so.6
#1  0x00007ff9a1c8d069 in g_main_context_iterate.isra () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007ff9a1c8d17c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007ff9aea6355b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#4  0x00007ff9aea0fe2a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#5  0x00007ff9ae875b2a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007ff9ae87f3ff in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#7  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#8  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7ff966ffd700 (LWP 3974)):
#0  0x00007ff9ae1075f3 in poll () from /lib64/libc.so.6
#1  0x00007ff9a1c8d069 in g_main_context_iterate.isra () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007ff9a1c8d17c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007ff9aea6355b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#4  0x00007ff9aea0fe2a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#5  0x00007ff9ae875b2a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007ff9ae87f3ff in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#7  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#8  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7ff9677fe700 (LWP 3973)):
#0  0x00007ff9ae102cd0 in read () from /lib64/libc.so.6
#1  0x00007ff9a1cd1a10 in g_wakeup_acknowledge () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007ff9a1c8cb57 in g_main_context_check () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007ff9a1c8d010 in g_main_context_iterate.isra () from
/usr/lib64/libglib-2.0.so.0
#4  0x00007ff9a1c8d17c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#5  0x00007ff9aea6355b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#6  0x00007ff9aea0fe2a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#7  0x00007ff9ae875b2a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#8  0x00007ff9ae87f3ff in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#9  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#10 0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7ff967fff700 (LWP 3972)):
#0  0x00007ff9aea634d2 in postEventSourceCheck(_GSource*) () from
/usr/lib64/libQt5Core.so.5
#1  0x00007ff9a1c8ca81 in g_main_context_check () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007ff9a1c8d010 in g_main_context_iterate.isra () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007ff9a1c8d17c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#4  0x00007ff9aea6355b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#5  0x00007ff9aea0fe2a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#6  0x00007ff9ae875b2a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#7  0x00007ff9ae87f3ff in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#8  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#9  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7ff96d8d8700 (LWP 3971)):
#0  0x00007ff9a1cd2969 in g_private_get () from /usr/lib64/libglib-2.0.so.0
#1  0x00007ff9a1cb4e90 in g_thread_self () from /usr/lib64/libglib-2.0.so.0
#2  0x00007ff9a1c8d16d in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007ff9aea6355b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#4  0x00007ff9aea0fe2a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#5  0x00007ff9ae875b2a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007ff9ace24de5 in QDBusConnectionManager::run() () from
/usr/lib64/libQt5DBus.so.5
#7  0x00007ff9ae87f3ff in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#8  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#9  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7ff96eaf4700 (LWP 3970)):
#0  0x00007ff9a3b675ac in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007ff9792d1a3b in util_queue_thread_func () from
/usr/lib64/dri/nouveau_dri.so
#2  0x00007ff9792d1767 in impl_thrd_routine () from
/usr/lib64/dri/nouveau_dri.so
#3  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#4  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7ff97b4f5700 (LWP 3969)):
#0  0x00007ff9ae1075f3 in poll () from /lib64/libc.so.6
#1  0x00007ff9a15587f7 in _xcb_conn_wait () from /usr/lib64/libxcb.so.1
#2  0x00007ff9a155a42a in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007ff97d40a9c9 in QXcbEventReader::run() () from
/usr/lib64/libQt5XcbQpa.so.5
#4  0x00007ff9ae87f3ff in QThreadPrivate::start(void*) () from
/usr/lib64/libQt5Core.so.5
#5  0x00007ff9a3b609aa in start_thread () from /lib64/libpthread.so.0
#6  0x00007ff9ae11315f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7ff9b0fb7840 (LWP 3968)):
[KCrash Handler]
#6  0x00007ff9979fc36b in QtWebEngineCore::ResourceHolder::initTexture(bool,
QtWebEngineCore::RenderWidgetHostViewQtDelegate*) () from
/usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007ff9979fc4d3 in
QtWebEngineCore::DelegatedFrameNode::initAndHoldTexture(QtWebEngineCore::ResourceHolder*,
bool, QtWebEngineCore::RenderWidgetHostViewQtDelegate*) () from
/usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007ff9979fced8 in
QtWebEngineCore::DelegatedFrameNode::handleQuad(viz::DrawQuad const*, QSGNode*,
QtWebEngineCore::DelegatedNodeTreeHandler*, QHash<unsigned int,
QSharedPointer<QtWebEngineCore::ResourceHolder> >&,
QtWebEngineCore::RenderWidgetHostViewQtDelegate*) () from
/usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007ff997a0174f in
QtWebEngineCore::DelegatedFrameNode::commit(QtWebEngineCore::ChromiumCompositorData*,
std::vector<viz::ReturnedResource, std::allocator<viz::ReturnedResource> >*,
QtWebEngineCore::RenderWidgetHostViewQtDelegate*) () from
/usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007ff997a331ad in
QtWebEngineCore::RenderWidgetHostViewQt::updatePaintNode(QSGNode*) () from
/usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007ff99f591bc0 in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) ()
from /usr/lib64/libQt5Quick.so.5
#12 0x00007ff99f5924c3 in QQuickWindowPrivate::updateDirtyNodes() () from
/usr/lib64/libQt5Quick.so.5
#13 0x00007ff99f593852 in QQuickWindowPrivate::syncSceneGraph() () from
/usr/lib64/libQt5Quick.so.5
#14 0x00007ff99f64cc09 in QQuickRenderControl::sync() () from
/usr/lib64/libQt5Quick.so.5
#15 0x00007ff99fe34021 in QQuickWidgetPrivate::render(bool) () from
/usr/lib64/libQt5QuickWidgets.so.5
#16 0x00007ff99fe340f2 in QQuickWidgetPrivate::renderSceneGraph() () from
/usr/lib64/libQt5QuickWidgets.so.5
#17 0x00007ff9aea3ad1b in QObject::event(QEvent*) () from
/usr/lib64/libQt5Core.so.5
#18 0x00007ff9af705243 in QWidget::event(QEvent*) () from
/usr/lib64/libQt5Widgets.so.5
#19 0x00007ff99fe37e5b in QQuickWidget::event(QEvent*) () from
/usr/lib64/libQt5QuickWidgets.so.5
#20 0x00007ff99e54eac0 in
QtWebEngineCore::RenderWidgetHostViewQtDelegateWidget::event(QEvent*) () from
/usr/lib64/libQt5WebEngineWidgets.so.5
#21 0x00007ff9af6c5e0c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib64/libQt5Widgets.so.5
#22 0x00007ff9af6cd3df in QApplication::notify(QObject*, QEvent*) () from
/usr/lib64/libQt5Widgets.so.5
#23 0x00007ff9aea11027 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib64/libQt5Core.so.5
#24 0x00007ff9aea6283b in QTimerInfoList::activateTimers() () from
/usr/lib64/libQt5Core.so.5
#25 0x00007ff9aea63101 in timerSourceDispatch(_GSource*, int (*)(void*), void*)
() from /usr/lib64/libQt5Core.so.5
#26 0x00007ff9a1c8ceb7 in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#27 0x00007ff9a1c8d0f0 in g_main_context_iterate.isra () from
/usr/lib64/libglib-2.0.so.0
#28 0x00007ff9a1c8d17c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#29 0x00007ff9aea6353f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#30 0x00007ff97d493031 in
QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5XcbQpa.so.5
#31 0x00007ff9aea0fe2a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#32 0x00007ff9aea18700 in QCoreApplication::exec() () from
/usr/lib64/libQt5Core.so.5
#33 0x000055b4de49a88d in main ()

Reported using DrKonqi

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