[kmail2] [Bug 385033] New: Kmail fails to start (unknown condition)

Mike Goodwin bugzilla_noreply at kde.org
Sun Sep 24 22:20:43 BST 2017 

https://bugs.kde.org/show_bug.cgi?id=385033

            Bug ID: 385033
           Summary: Kmail fails to start (unknown condition)
           Product: kmail2
           Version: 5.5.1
          Platform: Fedora RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: mike at mgoodwin.net
  Target Milestone: ---

Application: kmail (5.5.1)

Qt Version: 5.7.1
Frameworks Version: 5.36.0
Operating System: Linux 4.12.13-300.fc26.x86_64 x86_64
Distribution: "Fedora release 26 (Twenty Six)"

-- Information about the crash:
This happens when I attempt to start kmail from the application menu, and
immediately a drkonqi window appears.

Using Fedora 26

The crash can be reproduced every time.

-- Backtrace:
Application: KMail (kmail), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f91f7e9d940 (LWP 25117))]

Thread 21 (Thread 0x7f9196ffd700 (LWP 25148)):
#0  0x00007f91f96df89c in srb_callback () at
/usr/lib64/pulseaudio/libpulsecommon-10.0.so
#1  0x00007f91f96e011f in srbchannel_rwloop () at
/usr/lib64/pulseaudio/libpulsecommon-10.0.so
#2  0x00007f91fb5ca7f8 in pa_mainloop_dispatch () at /lib64/libpulse.so.0
#3  0x00007f91fb5cabce in pa_mainloop_iterate () at /lib64/libpulse.so.0
#4  0x00007f91fb5cac50 in pa_mainloop_run () at /lib64/libpulse.so.0
#5  0x00007f91fb5d8ab9 in thread () at /lib64/libpulse.so.0
#6  0x00007f91f96f0078 in internal_thread_func () at
/usr/lib64/pulseaudio/libpulsecommon-10.0.so
#7  0x00007f921627936d in start_thread () at /lib64/libpthread.so.0
#8  0x00007f921a328bbf in clone () at /lib64/libc.so.6

Thread 20 (Thread 0x7f91977fe700 (LWP 25147)):
#0  0x00007f921627fe0a in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f920da58172 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f920da1f38e in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f920d9f9fab in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f920d9f6828 in base::MessageLoop::RunHandler() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f920da1326b in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f920da2af66 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f920da2706b in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f921627936d in start_thread () at /lib64/libpthread.so.0
#9  0x00007f921a328bbf in clone () at /lib64/libc.so.6

Thread 19 (Thread 0x7f9197fff700 (LWP 25146)):
#0  0x00007f921627f90b in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f920e1a7ea0 in cc::SingleThreadTaskGraphRunner::Run() () at
/lib64/libQt5WebEngineCore.so.5
#2  0x00007f920da2a9a1 in base::SimpleThread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f920da2706b in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f921627936d in start_thread () at /lib64/libpthread.so.0
#5  0x00007f921a328bbf in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7f91ad7fa700 (LWP 25145)):
#0  0x00007f921627f90b in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f920da29725 in
base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*)
() at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f920da29c07 in base::SequencedWorkerPool::Worker::Run() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f920da2a9a1 in base::SimpleThread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f920da2706b in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f921627936d in start_thread () at /lib64/libpthread.so.0
#6  0x00007f921a328bbf in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7f91acff9700 (LWP 25144)):
#0  0x00007f921627f90b in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f920da1f409 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f920da1f437 in base::WaitableEvent::Wait() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f920d9f9f5b in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f920d9f6828 in base::MessageLoop::RunHandler() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f920da1326b in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f920da2af66 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f920da2706b in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f921627936d in start_thread () at /lib64/libpthread.so.0
#9  0x00007f921a328bbf in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7f91adffb700 (LWP 25143)):
#0  0x00007f921a31822d in write () at /lib64/libc.so.6
#1  0x00007f921a29622d in _IO_new_file_write () at /lib64/libc.so.6
#2  0x00007f921a296bcf in __GI__IO_file_xsputn () at /lib64/libc.so.6
#3  0x00007f921a26a747 in buffered_vfprintf () at /lib64/libc.so.6
#4  0x00007f921a267786 in vfprintf () at /lib64/libc.so.6
#5  0x00007f921a3392d6 in __fprintf_chk () at /lib64/libc.so.6
#6  0x00007f9200813880 in _warn_helper () at /lib64/libevent-2.0.so.5
#7  0x00007f9200813a44 in event_warn () at /lib64/libevent-2.0.so.5
#8  0x00007f92008181e0 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#9  0x00007f9200802dbe in event_base_loop () at /lib64/libevent-2.0.so.5
#10 0x00007f920d9fa559 in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#11 0x00007f920d9f6828 in base::MessageLoop::RunHandler() () at
/lib64/libQt5WebEngineCore.so.5
#12 0x00007f920da1326b in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#13 0x00007f920d2fba78 in
content::BrowserThreadImpl::IOThreadRun(base::RunLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#14 0x00007f920d2fc02b in content::BrowserThreadImpl::Run(base::RunLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#15 0x00007f920da2b018 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#16 0x00007f920da2706b in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#17 0x00007f921627936d in start_thread () at /lib64/libpthread.so.0
#18 0x00007f921a328bbf in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7f91ae7fc700 (LWP 25142)):
#0  0x00007f921627f90b in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f920da1f409 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f920da1f437 in base::WaitableEvent::Wait() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f920d9f9f5b in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f920d9f6828 in base::MessageLoop::RunHandler() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f920da1326b in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f920d2fb9c8 in
content::BrowserThreadImpl::CacheThreadRun(base::RunLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f920d2fc01b in content::BrowserThreadImpl::Run(base::RunLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f920da2b018 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f920da2706b in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f921627936d in start_thread () at /lib64/libpthread.so.0
#11 0x00007f921a328bbf in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7f91aeffd700 (LWP 25141)):
#0  0x00007f921627f90b in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f920da1f409 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f920da1f437 in base::WaitableEvent::Wait() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f920d9f9f5b in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f920d9f6828 in base::MessageLoop::RunHandler() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f920da1326b in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f920d2fb918 in
content::BrowserThreadImpl::ProcessLauncherThreadRun(base::RunLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f920d2fc00b in content::BrowserThreadImpl::Run(base::RunLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f920da2b018 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f920da2706b in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f921627936d in start_thread () at /lib64/libpthread.so.0
#11 0x00007f921a328bbf in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7f91af7fe700 (LWP 25140)):
#0  0x00007f921627f90b in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f920da1f409 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f920da1f437 in base::WaitableEvent::Wait() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f920d9f9f5b in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f920d9f6828 in base::MessageLoop::RunHandler() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f920da1326b in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f920d2fb868 in
content::BrowserThreadImpl::FileUserBlockingThreadRun(base::RunLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f920d2fbffb in content::BrowserThreadImpl::Run(base::RunLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f920da2b018 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f920da2706b in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f921627936d in start_thread () at /lib64/libpthread.so.0
#11 0x00007f921a328bbf in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f91affff700 (LWP 25139)):
#0  0x00007f921a3374bc in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007f921a339284 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007f9200813880 in _warn_helper () at /lib64/libevent-2.0.so.5
#3  0x00007f9200813a44 in event_warn () at /lib64/libevent-2.0.so.5
#4  0x00007f92008181e0 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#5  0x00007f9200802dbe in event_base_loop () at /lib64/libevent-2.0.so.5
#6  0x00007f920d9fa559 in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f920d9f6828 in base::MessageLoop::RunHandler() () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f920da1326b in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f920d2fb7b8 in
content::BrowserThreadImpl::FileThreadRun(base::RunLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f920d2fbfeb in content::BrowserThreadImpl::Run(base::RunLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#11 0x00007f920da2b018 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#12 0x00007f920da2706b in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#13 0x00007f921627936d in start_thread () at /lib64/libpthread.so.0
#14 0x00007f921a328bbf in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f91d0953700 (LWP 25138)):
#0  0x00007f921627f90b in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f920da1f409 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f920da1f437 in base::WaitableEvent::Wait() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f920d9f9f5b in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f920d9f6828 in base::MessageLoop::RunHandler() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f920da1326b in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f920d2fb708 in
content::BrowserThreadImpl::DBThreadRun(base::RunLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f920d2fbfdb in content::BrowserThreadImpl::Run(base::RunLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f920da2b018 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f920da2706b in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f921627936d in start_thread () at /lib64/libpthread.so.0
#11 0x00007f921a328bbf in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f91d1154700 (LWP 25137)):
#0  0x00007f921627fe0a in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f920da58172 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f920da2e229 in base::PosixDynamicThreadPool::WaitForTask() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f920da2e78b in base::(anonymous
namespace)::WorkerThread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f920da2706b in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f921627936d in start_thread () at /lib64/libpthread.so.0
#6  0x00007f921a328bbf in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f91d1955700 (LWP 25136)):
#0  0x00007f921627fe0a in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f920da58172 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f920da2e229 in base::PosixDynamicThreadPool::WaitForTask() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f920da2e78b in base::(anonymous
namespace)::WorkerThread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f920da2706b in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f921627936d in start_thread () at /lib64/libpthread.so.0
#6  0x00007f921a328bbf in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f91d2363700 (LWP 25135)):
#0  0x00007f921627f90b in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f920da1f409 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f920da1f437 in base::WaitableEvent::Wait() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f920d9f9f5b in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f920d9f6828 in base::MessageLoop::RunHandler() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f920da1326b in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f920da2af66 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f920da2706b in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f921627936d in start_thread () at /lib64/libpthread.so.0
#9  0x00007f921a328bbf in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f91d2b64700 (LWP 25134)):
#0  0x00007f921a3374bc in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007f921a339284 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007f9200813880 in _warn_helper () at /lib64/libevent-2.0.so.5
#3  0x00007f9200813a44 in event_warn () at /lib64/libevent-2.0.so.5
#4  0x00007f92008181e0 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#5  0x00007f9200802dbe in event_base_loop () at /lib64/libevent-2.0.so.5
#6  0x00007f920d9fa5ad in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f920d9f6828 in base::MessageLoop::RunHandler() () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f920da1326b in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f920da2af66 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f920da2706b in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#11 0x00007f921627936d in start_thread () at /lib64/libpthread.so.0
#12 0x00007f921a328bbf in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f91df7fe700 (LWP 25124)):
#0  0x00007f92063044a9 in g_mutex_lock () at /lib64/libglib-2.0.so.0
#1  0x00007f92062bf54f in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2  0x00007f92062bf67c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3  0x00007f921b134e6b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4  0x00007f921b0e560a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5  0x00007f921af3d99a in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f921af41c9e in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#7  0x00007f921627936d in start_thread () at /lib64/libpthread.so.0
#8  0x00007f921a328bbf in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f91dffff700 (LWP 25123)):
#0  0x00007f921a31cacd in poll () at /lib64/libc.so.6
#1  0x00007f92062bf569 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2  0x00007f92062bf67c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3  0x00007f921b134e6b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4  0x00007f921b0e560a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5  0x00007f921af3d99a in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f921af41c9e in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#7  0x00007f921627936d in start_thread () at /lib64/libpthread.so.0
#8  0x00007f921a328bbf in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f91e4f34700 (LWP 25122)):
#0  0x00007f921a3181cd in read () at /lib64/libc.so.6
#1  0x00007f9206303170 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007f92062bf078 in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f92062bf510 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#4  0x00007f92062bf67c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#5  0x00007f921b134e6b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#6  0x00007f921b0e560a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#7  0x00007f921af3d99a in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007f921af41c9e in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#9  0x00007f921627936d in start_thread () at /lib64/libpthread.so.0
#10 0x00007f921a328bbf in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f91e6145700 (LWP 25121)):
#0  0x00007f921a3181cd in read () at /lib64/libc.so.6
#1  0x00007f9206303170 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007f92062bf078 in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f92062bf510 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#4  0x00007f92062bf67c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#5  0x00007f921b134e6b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#6  0x00007f921b0e560a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#7  0x00007f921af3d99a in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007f921c42da39 in QDBusConnectionManager::run() () at
/lib64/libQt5DBus.so.5
#9  0x00007f921af41c9e in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#10 0x00007f921627936d in start_thread () at /lib64/libpthread.so.0
#11 0x00007f921a328bbf in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f91ee26a700 (LWP 25120)):
#0  0x00007f921a31cacd in poll () at /lib64/libc.so.6
#1  0x00007f92059b3c97 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f92059b5a8a in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f91f11f8ba9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f921af41c9e in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#5  0x00007f921627936d in start_thread () at /lib64/libpthread.so.0
#6  0x00007f921a328bbf in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f91f7e9d940 (LWP 25117)):
[KCrash Handler]
#6  0x00007f921a24e69b in raise () at /lib64/libc.so.6
#7  0x00007f921a2504a0 in abort () at /lib64/libc.so.6
#8  0x00007f921af30527 in  () at /lib64/libQt5Core.so.5
#9  0x00007f9205068495 in
QQuickWidgetPrivate::handleContextCreationFailure(QSurfaceFormat const&, bool)
() at /lib64/libQt5QuickWidgets.so.5
#10 0x00007f92050687ea in QQuickWidgetPrivate::createContext() () at
/lib64/libQt5QuickWidgets.so.5
#11 0x00007f9205069656 in QQuickWidget::resizeEvent(QResizeEvent*) () at
/lib64/libQt5QuickWidgets.so.5
#12 0x00007f9212e3f71d in
QtWebEngineCore::RenderWidgetHostViewQtDelegateWidget::resizeEvent(QResizeEvent*)
() at /lib64/libQt5WebEngineWidgets.so.5
#13 0x00007f921b97885e in QWidget::event(QEvent*) () at
/lib64/libQt5Widgets.so.5
#14 0x00007f9212e3f9c4 in
QtWebEngineCore::RenderWidgetHostViewQtDelegateWidget::event(QEvent*) () at
/lib64/libQt5WebEngineWidgets.so.5
#15 0x00007f921b9315dc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#16 0x00007f921b938c74 in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQt5Widgets.so.5
#17 0x00007f921b0e6627 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#18 0x00007f921b970d6b in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool,
bool) () at /lib64/libQt5Widgets.so.5
#19 0x00007f921b974c43 in QWidgetPrivate::show_helper() () at
/lib64/libQt5Widgets.so.5
#20 0x00007f921b974b5e in QWidgetPrivate::showChildren(bool) () at
/lib64/libQt5Widgets.so.5
#21 0x00007f921b974c5f in QWidgetPrivate::show_helper() () at
/lib64/libQt5Widgets.so.5
#22 0x00007f921b974b5e in QWidgetPrivate::showChildren(bool) () at
/lib64/libQt5Widgets.so.5
#23 0x00007f921b974c5f in QWidgetPrivate::show_helper() () at
/lib64/libQt5Widgets.so.5
#24 0x00007f921b97790b in QWidget::setVisible(bool) () at
/lib64/libQt5Widgets.so.5
#25 0x00007f921b974bb0 in QWidgetPrivate::showChildren(bool) () at
/lib64/libQt5Widgets.so.5
#26 0x00007f921b974c5f in QWidgetPrivate::show_helper() () at
/lib64/libQt5Widgets.so.5
#27 0x00007f921b97790b in QWidget::setVisible(bool) () at
/lib64/libQt5Widgets.so.5
#28 0x00007f921b974bb0 in QWidgetPrivate::showChildren(bool) () at
/lib64/libQt5Widgets.so.5
#29 0x00007f921b974c5f in QWidgetPrivate::show_helper() () at
/lib64/libQt5Widgets.so.5
#30 0x00007f921b97790b in QWidget::setVisible(bool) () at
/lib64/libQt5Widgets.so.5
#31 0x00007f921b974bb0 in QWidgetPrivate::showChildren(bool) () at
/lib64/libQt5Widgets.so.5
#32 0x00007f921b974c5f in QWidgetPrivate::show_helper() () at
/lib64/libQt5Widgets.so.5
#33 0x00007f921b97790b in QWidget::setVisible(bool) () at
/lib64/libQt5Widgets.so.5
#34 0x00007f921b974bb0 in QWidgetPrivate::showChildren(bool) () at
/lib64/libQt5Widgets.so.5
#35 0x00007f921b974c5f in QWidgetPrivate::show_helper() () at
/lib64/libQt5Widgets.so.5
#36 0x00007f921b97790b in QWidget::setVisible(bool) () at
/lib64/libQt5Widgets.so.5
#37 0x00007f921b974bb0 in QWidgetPrivate::showChildren(bool) () at
/lib64/libQt5Widgets.so.5
#38 0x00007f921b974c5f in QWidgetPrivate::show_helper() () at
/lib64/libQt5Widgets.so.5
#39 0x00007f921b97790b in QWidget::setVisible(bool) () at
/lib64/libQt5Widgets.so.5
#40 0x00007f921b974bb0 in QWidgetPrivate::showChildren(bool) () at
/lib64/libQt5Widgets.so.5
#41 0x00007f921b974c5f in QWidgetPrivate::show_helper() () at
/lib64/libQt5Widgets.so.5
#42 0x00007f921b97790b in QWidget::setVisible(bool) () at
/lib64/libQt5Widgets.so.5
#43 0x00007f921b974bb0 in QWidgetPrivate::showChildren(bool) () at
/lib64/libQt5Widgets.so.5
#44 0x00007f921b974c5f in QWidgetPrivate::show_helper() () at
/lib64/libQt5Widgets.so.5
#45 0x00007f921b97790b in QWidget::setVisible(bool) () at
/lib64/libQt5Widgets.so.5
#46 0x00007f921b974bb0 in QWidgetPrivate::showChildren(bool) () at
/lib64/libQt5Widgets.so.5
#47 0x00007f921b974c5f in QWidgetPrivate::show_helper() () at
/lib64/libQt5Widgets.so.5
#48 0x00007f921b97790b in QWidget::setVisible(bool) () at
/lib64/libQt5Widgets.so.5
#49 0x00007f921f40fda8 in KMKernel::openReader(bool) () at
/lib64/libkmailprivate.so.5
#50 0x00007f921f4130ac in KMKernel::action(bool, bool, QString const&, QString
const&, QString const&, QString const&, QString const&, QUrl const&,
QList<QUrl> const&, QStringList const&, QString const&, QString const&, QString
const&) () at /lib64/libkmailprivate.so.5
#51 0x00007f921f414734 in KMKernel::handleCommandLine(bool, QStringList const&,
QString const&) () at /lib64/libkmailprivate.so.5
#52 0x0000557021207bb1 in KMailApplication::activate(QStringList const&,
QString const&) ()
#53 0x0000557021207811 in main ()

Reported using DrKonqi

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