[kmail2] [Bug 385927] New: Plasma Wayland: KMail crashes on close

Dennis Schridde bugzilla_noreply at kde.org
Wed Oct 18 19:56:33 BST 2017 

https://bugs.kde.org/show_bug.cgi?id=385927

            Bug ID: 385927
           Summary: Plasma Wayland: KMail crashes on close
           Product: kmail2
           Version: unspecified
          Platform: Gentoo Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: devurandom at gmx.net
  Target Milestone: ---

Application: kmail (5.6.2)

Qt Version: 5.9.2
Frameworks Version: 5.39.0
Operating System: Linux 4.13.5-gentoo x86_64
Distribution: "Gentoo Base System release 2.4.1"

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

I was closing KMail. Previously DrKonqi did not show up when an application
crashed, so I was unable to report the backtrace in bug #385926, which this
report is a duplicate of.

The crash can be reproduced every time.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7eff34300a80 (LWP 27838))]

Thread 36 (Thread 0x7efdc0fea700 (LWP 27955)):
#0  0x00007eff2fe71466 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007eff2564fed9 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007eff25650637 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007eff25651450 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007eff2564d9f2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#6  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 35 (Thread 0x7efe4211a700 (LWP 27954)):
#0  0x00007eff2fe71466 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007eff214de634 in ?? () from /usr/lib64/libQt5Script.so.5
#2  0x00007eff214de679 in ?? () from /usr/lib64/libQt5Script.so.5
#3  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#4  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 34 (Thread 0x7efe435b2700 (LWP 27941)):
#0  0x00007eff2de3038c in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007eff2ddec7b2 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007eff2ddec8cc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007eff3a21013b in QEventDispatcherGlib::processEvents
(this=0x7efe4c02e450, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007eff3a1c066a in QEventLoop::exec (this=this at entry=0x7efe435b1b30,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:212
#5  0x00007eff3a0243bb in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#6  0x00007eff3a0285e0 in QThreadPrivate::start (arg=0x258a210) at
thread/qthread_unix.cpp:368
#7  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#8  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 33 (Thread 0x7efe5ce32700 (LWP 27910)):
#0  0x00007eff2fe71466 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007eff3a028c4a in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x7efe500083b0) at
thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this at entry=0x7efe50007e88,
mutex=mutex at entry=0x7efe50007e80, time=time at entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:215
#3  0x00007eff3a022deb in QSemaphore::acquire (this=this at entry=0x7eff30e82e40
<(anonymous namespace)::Q_QGS_libProxyWrapper::innerFunction()::holder+32>,
n=n at entry=1) at thread/qsemaphore.cpp:143
#4  0x00007eff30dd798c in QLibProxyWrapper::run (this=0x7eff30e82e20
<(anonymous namespace)::Q_QGS_libProxyWrapper::innerFunction()::holder>) at
kernel/qnetworkproxy_libproxy.cpp:179
#5  0x00007eff3a0285e0 in QThreadPrivate::start (arg=0x7eff30e82e20 <(anonymous
namespace)::Q_QGS_libProxyWrapper::innerFunction()::holder>) at
thread/qthread_unix.cpp:368
#6  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#7  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 32 (Thread 0x7efe5db30700 (LWP 27909)):
#0  0x00007eff398b64dd in poll () from /lib64/libc.so.6
#1  0x00007eff2ddec7be in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007eff2ddec8cc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007eff3a21013b in QEventDispatcherGlib::processEvents
(this=0x7efe500008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007eff3a1c066a in QEventLoop::exec (this=this at entry=0x7efe5db2fb30,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:212
#5  0x00007eff3a0243bb in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#6  0x00007eff3a0285e0 in QThreadPrivate::start (arg=0x1e51100) at
thread/qthread_unix.cpp:368
#7  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#8  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 31 (Thread 0x7efe5e331700 (LWP 27908)):
#0  0x00007eff398b64dd in poll () from /lib64/libc.so.6
#1  0x00007eff2ddec7be in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007eff2ddec8cc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007eff3a21013b in QEventDispatcherGlib::processEvents
(this=0x7efe4c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007eff3a1c066a in QEventLoop::exec (this=this at entry=0x7efe5e330b30,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:212
#5  0x00007eff3a0243bb in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#6  0x00007eff3a0285e0 in QThreadPrivate::start (arg=0x1e84240) at
thread/qthread_unix.cpp:368
#7  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#8  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 30 (Thread 0x7efe5eb32700 (LWP 27907)):
#0  0x00007eff2de30371 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007eff2ddebce8 in g_main_context_prepare () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007eff2ddec6eb in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007eff2ddec8cc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#4  0x00007eff3a21013b in QEventDispatcherGlib::processEvents
(this=0x7efe540008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007eff3a1c066a in QEventLoop::exec (this=this at entry=0x7efe5eb31b30,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:212
#6  0x00007eff3a0243bb in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#7  0x00007eff3a0285e0 in QThreadPrivate::start (arg=0x1e83180) at
thread/qthread_unix.cpp:368
#8  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#9  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 29 (Thread 0x7efe6cfa9700 (LWP 27905)):
#0  0x00007eff2fe71466 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007efefdf2b7f3 in cnd_wait (mtx=0x1d9b338, cond=0x1d9b360) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/include/c11/threads_posix.h:159
#2  util_queue_thread_func (input=input at entry=0x1da3250) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/src/util/u_queue.c:158
#3  0x00007efefdf2b717 in impl_thrd_routine (p=<optimized out>) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/include/c11/threads_posix.h:87
#4  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#5  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 28 (Thread 0x7efe87fff700 (LWP 27901)):
#0  0x00007eff398b64dd in poll () from /lib64/libc.so.6
#1  0x00007eff1be36541 in ?? () from /usr/lib64/libpulse.so.0
#2  0x00007eff1be281d1 in pa_mainloop_poll () from /usr/lib64/libpulse.so.0
#3  0x00007eff1be28846 in pa_mainloop_iterate () from /usr/lib64/libpulse.so.0
#4  0x00007eff1be288f0 in pa_mainloop_run () from /usr/lib64/libpulse.so.0
#5  0x00007eff1be36489 in ?? () from /usr/lib64/libpulse.so.0
#6  0x00007eff14b2955f in ?? () from
/usr/lib64/pulseaudio/libpulsecommon-11.1.so
#7  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#8  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 27 (Thread 0x7efea4ff9700 (LWP 27900)):
#0  0x00007eff2fe71873 in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007eff2567dfe2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007eff25645b1e in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007eff25620d6a in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007eff2561cdb5 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007eff25639a6a in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007eff25651916 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007eff2564d9f2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#9  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 26 (Thread 0x7efea57fa700 (LWP 27899)):
#0  0x00007eff2fe71466 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007eff25de0c7d in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007eff25651450 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007eff2564d9f2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#5  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 25 (Thread 0x7efea5ffb700 (LWP 27898)):
#0  0x00007eff2fe71466 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007eff2564fed9 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007eff25650637 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007eff25651450 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007eff2564d9f2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#6  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 24 (Thread 0x7efea67fc700 (LWP 27897)):
#0  0x00007eff2fe71466 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007eff25645a8e in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007eff25645b47 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007eff25620d2b in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007eff2561cdb5 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007eff25639a6a in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007eff25651916 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007eff2564d9f2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#9  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 23 (Thread 0x7efea6ffd700 (LWP 27896)):
#0  0x00007eff398b207d in write () from /lib64/libc.so.6
#1  0x00007eff39843807 in _IO_file_write () from /lib64/libc.so.6
#2  0x00007eff398429f2 in new_do_write () from /lib64/libc.so.6
#3  0x00007eff39844056 in _IO_file_xsputn () from /lib64/libc.so.6
#4  0x00007eff39818888 in buffered_vfprintf () from /lib64/libc.so.6
#5  0x00007eff39815abe in vfprintf () from /lib64/libc.so.6
#6  0x00007eff398d1ab4 in __fprintf_chk () from /lib64/libc.so.6
#7  0x00007eff19e24577 in ?? () from /usr/lib64/libevent-2.1.so.6
#8  0x00007eff19e2476c in event_warn () from /usr/lib64/libevent-2.1.so.6
#9  0x00007eff19e25e18 in ?? () from /usr/lib64/libevent-2.1.so.6
#10 0x00007eff19e1bef1 in event_base_loop () from /usr/lib64/libevent-2.1.so.6
#11 0x00007eff256212de in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007eff2561cdb5 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007eff25639a6a in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007eff24ef7ef8 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#15 0x00007eff24ef83f3 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#16 0x00007eff256519e0 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#17 0x00007eff2564d9f2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#18 0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#19 0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 22 (Thread 0x7efea77fe700 (LWP 27895)):
#0  0x00007eff2fe71466 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007eff25645a8e in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007eff25645b47 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007eff25620d2b in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007eff2561cdb5 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007eff25639a6a in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007eff24ef7e48 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007eff24ef845b in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007eff256519e0 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007eff2564d9f2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#11 0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 21 (Thread 0x7efea7fff700 (LWP 27894)):
#0  0x00007eff2fe71466 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007eff25645a8e in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007eff25645b47 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007eff25620d2b in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007eff2561cdb5 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007eff25639a6a in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007eff24ef7d98 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007eff24ef8443 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007eff256519e0 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007eff2564d9f2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#11 0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 20 (Thread 0x7efec8de5700 (LWP 27893)):
#0  0x00007eff2fe71466 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007eff25645a8e in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007eff25645b47 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007eff25620d2b in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007eff2561cdb5 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007eff25639a6a in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007eff24ef7ce8 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007eff24ef8433 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007eff256519e0 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007eff2564d9f2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#11 0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 19 (Thread 0x7efec95e6700 (LWP 27892)):
#0  0x00007eff398cfb09 in __lll_unlock_wake_private () from /lib64/libc.so.6
#1  0x00007eff398d1b13 in __fprintf_chk () from /lib64/libc.so.6
#2  0x00007eff19e24577 in ?? () from /usr/lib64/libevent-2.1.so.6
#3  0x00007eff19e2476c in event_warn () from /usr/lib64/libevent-2.1.so.6
#4  0x00007eff19e25e18 in ?? () from /usr/lib64/libevent-2.1.so.6
#5  0x00007eff19e1bef1 in event_base_loop () from /usr/lib64/libevent-2.1.so.6
#6  0x00007eff256212de in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007eff2561cdb5 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007eff25639a6a in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007eff24ef7c38 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007eff24ef8423 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007eff256519e0 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007eff2564d9f2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#14 0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 18 (Thread 0x7efec9de7700 (LWP 27891)):
#0  0x00007eff2fe71466 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007eff25645a8e in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007eff25645b47 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007eff25620d2b in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007eff2561cdb5 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007eff25639a6a in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007eff24ef7b88 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007eff24ef8413 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007eff256519e0 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007eff2564d9f2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#11 0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7efeca5e8700 (LWP 27890)):
#0  0x00007eff2fe71873 in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007eff2567dfe2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007eff25654b29 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007eff25655015 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007eff2564d9f2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#6  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7efecade9700 (LWP 27889)):
#0  0x00007eff2fe71873 in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007eff2567dfe2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007eff25654b29 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007eff25655015 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007eff2564d9f2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#6  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7efecb5ea700 (LWP 27888)):
#0  0x00007eff2fe71466 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007eff25645a8e in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007eff25645b47 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007eff25620d2b in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007eff2561cdb5 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007eff25639a6a in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007eff25651916 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007eff2564d9f2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#9  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7efecbfff700 (LWP 27887)):
#0  0x00007eff398cfadb in __lll_lock_wait_private () from /lib64/libc.so.6
#1  0x00007eff398d1a5c in __fprintf_chk () from /lib64/libc.so.6
#2  0x00007eff19e24577 in ?? () from /usr/lib64/libevent-2.1.so.6
#3  0x00007eff19e2476c in event_warn () from /usr/lib64/libevent-2.1.so.6
#4  0x00007eff19e25e18 in ?? () from /usr/lib64/libevent-2.1.so.6
#5  0x00007eff19e1bef1 in event_base_loop () from /usr/lib64/libevent-2.1.so.6
#6  0x00007eff25621372 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007eff2561cdb5 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007eff25639a6a in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007eff25651916 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007eff2564d9f2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#12 0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7efedffff700 (LWP 27868)):
#0  0x00007eff398b64dd in poll () from /lib64/libc.so.6
#1  0x00007eff2ddec7be in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007eff2ddec8cc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007eff3a21013b in QEventDispatcherGlib::processEvents
(this=0x7efed40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007eff3a1c066a in QEventLoop::exec (this=this at entry=0x7efedfffeb30,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:212
#5  0x00007eff3a0243bb in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#6  0x00007eff3a0285e0 in QThreadPrivate::start (arg=0x15843b0) at
thread/qthread_unix.cpp:368
#7  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#8  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7efeecfc2700 (LWP 27866)):
#0  0x00007eff3a020919 in
std::__atomic_base<QMutexData*>::compare_exchange_strong
(__m2=std::memory_order_acquire, __m1=std::memory_order_acquire,
__p2=<optimized out>, __p1=@0x7efeecfc18c8: 0x0, this=0x15f0630) at
/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/include/g++-v6/bits/atomic_base.h:752
#1  std::atomic<QMutexData*>::compare_exchange_strong
(__m2=std::memory_order_acquire, __m1=std::memory_order_acquire,
__p2=<optimized out>, __p1=@0x7efeecfc18c8: 0x0, this=0x15f0630) at
/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/include/g++-v6/atomic:466
#2  QAtomicOps<QMutexData*>::testAndSetAcquire<QMutexData*>
(currentValue=<synthetic pointer>, newValue=<optimized out>, expectedValue=0x0,
_q_value=...) at
../../include/QtCore/../../src/corelib/arch/qatomic_cxx11.h:290
#3  QBasicAtomicPointer<QMutexData>::testAndSetAcquire (currentValue=<synthetic
pointer>: <optimized out>, newValue=<optimized out>, expectedValue=0x0,
this=0x15f0630) at
../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:262
#4  QBasicMutex::fastTryLock (current=<synthetic pointer>: <optimized out>,
this=0x15f0630) at thread/qmutex.h:101
#5  QMutex::lock (this=this at entry=0x15f0630) at thread/qmutex.cpp:224
#6  0x00007eff3a21004b in QMutexLocker::QMutexLocker (m=0x15f0630,
this=<synthetic pointer>) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:200
#7  QThreadData::canWaitLocked (this=0x15f0600) at
../../include/QtCore/5.9.2/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:253
#8  postEventSourcePrepare (s=0x7efed80012d0, timeout=0x7efeecfc1964) at
kernel/qeventdispatcher_glib.cpp:259
#9  0x00007eff2ddebcdc in g_main_context_prepare () from
/usr/lib64/libglib-2.0.so.0
#10 0x00007eff2ddec6eb in ?? () from /usr/lib64/libglib-2.0.so.0
#11 0x00007eff2ddec8cc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#12 0x00007eff3a21013b in QEventDispatcherGlib::processEvents
(this=0x7efed80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#13 0x00007eff3a1c066a in QEventLoop::exec (this=this at entry=0x7efeecfc1b30,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:212
#14 0x00007eff3a0243bb in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#15 0x00007eff3a0285e0 in QThreadPrivate::start (arg=0x1598470) at
thread/qthread_unix.cpp:368
#16 0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#17 0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7efeed7d2700 (LWP 27865)):
#0  0x00007eff398b201d in read () from /lib64/libc.so.6
#1  0x00007eff2de2f100 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007eff2ddec296 in g_main_context_check () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007eff2ddec764 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007eff2ddec8cc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#5  0x00007eff3a21013b in QEventDispatcherGlib::processEvents
(this=0x7efee40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007eff3a1c066a in QEventLoop::exec (this=this at entry=0x7efeed7d1b30,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:212
#7  0x00007eff3a0243bb in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#8  0x00007eff3a0285e0 in QThreadPrivate::start (arg=0x151b7a0) at
thread/qthread_unix.cpp:368
#9  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#10 0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7efeee9ea700 (LWP 27864)):
#0  0x00007eff398b64dd in poll () from /lib64/libc.so.6
#1  0x00007eff2ddec7be in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007eff2ddec8cc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007eff3a21013b in QEventDispatcherGlib::processEvents
(this=0x7efee00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007eff3a1c066a in QEventLoop::exec (this=this at entry=0x7efeee9e9b00,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:212
#5  0x00007eff3a0243bb in QThread::exec (this=this at entry=0x7eff3c114da0
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread.cpp:515
#6  0x00007eff3c0a06b5 in QDBusConnectionManager::run (this=0x7eff3c114da0
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:178
#7  0x00007eff3a0285e0 in QThreadPrivate::start (arg=0x7eff3c114da0 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:368
#8  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#9  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7efeef70d700 (LWP 27863)):
#0  0x00007eff2fe71466 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007efefdf2b7f3 in cnd_wait (mtx=0x14b9b88, cond=0x14b9bb0) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/include/c11/threads_posix.h:159
#2  util_queue_thread_func (input=input at entry=0x13a5b40) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/src/util/u_queue.c:158
#3  0x00007efefdf2b717 in impl_thrd_routine (p=<optimized out>) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/include/c11/threads_posix.h:87
#4  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#5  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7efeeff0e700 (LWP 27862)):
#0  0x00007eff2fe71466 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007efefdf2b7f3 in cnd_wait (mtx=0x13f5b80, cond=0x13f5ba8) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/include/c11/threads_posix.h:159
#2  util_queue_thread_func (input=input at entry=0x13f7d10) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/src/util/u_queue.c:158
#3  0x00007efefdf2b717 in impl_thrd_routine (p=<optimized out>) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/include/c11/threads_posix.h:87
#4  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#5  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7efef070f700 (LWP 27861)):
#0  0x00007eff2fe71466 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007efefdf2b7f3 in cnd_wait (mtx=0x13f5b80, cond=0x13f5ba8) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/include/c11/threads_posix.h:159
#2  util_queue_thread_func (input=input at entry=0x13f7d10) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/src/util/u_queue.c:158
#3  0x00007efefdf2b717 in impl_thrd_routine (p=<optimized out>) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/include/c11/threads_posix.h:87
#4  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#5  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7efef0f10700 (LWP 27860)):
#0  0x00007eff2fe71466 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007efefdf2b7f3 in cnd_wait (mtx=0x13f5a98, cond=0x13f5ac0) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/include/c11/threads_posix.h:159
#2  util_queue_thread_func (input=input at entry=0x13f7cf0) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/src/util/u_queue.c:158
#3  0x00007efefdf2b717 in impl_thrd_routine (p=<optimized out>) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/include/c11/threads_posix.h:87
#4  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#5  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7efef1711700 (LWP 27859)):
#0  0x00007eff2fe71466 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007efefdf2b7f3 in cnd_wait (mtx=0x13f5a98, cond=0x13f5ac0) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/include/c11/threads_posix.h:159
#2  util_queue_thread_func (input=input at entry=0x13f6000) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/src/util/u_queue.c:158
#3  0x00007efefdf2b717 in impl_thrd_routine (p=<optimized out>) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/include/c11/threads_posix.h:87
#4  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#5  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7efef1f12700 (LWP 27858)):
#0  0x00007eff2fe71466 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007efefdf2b7f3 in cnd_wait (mtx=0x13f5a98, cond=0x13f5ac0) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/include/c11/threads_posix.h:159
#2  util_queue_thread_func (input=input at entry=0x13f7b00) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/src/util/u_queue.c:158
#3  0x00007efefdf2b717 in impl_thrd_routine (p=<optimized out>) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/include/c11/threads_posix.h:87
#4  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#5  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7efef291a700 (LWP 27857)):
#0  0x00007eff2fe71466 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007efefdf2b7f3 in cnd_wait (mtx=0x13f7b70, cond=0x13f7b98) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/include/c11/threads_posix.h:159
#2  util_queue_thread_func (input=input at entry=0x13f8180) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/src/util/u_queue.c:158
#3  0x00007efefdf2b717 in impl_thrd_routine (p=<optimized out>) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/include/c11/threads_posix.h:87
#4  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#5  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7efef389a700 (LWP 27856)):
#0  0x00007eff2fe71466 in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007efefdf2b7f3 in cnd_wait (mtx=0x13f1188, cond=0x13f11b0) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/include/c11/threads_posix.h:159
#2  util_queue_thread_func (input=input at entry=0x13f1810) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/src/util/u_queue.c:158
#3  0x00007efefdf2b717 in impl_thrd_routine (p=<optimized out>) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/include/c11/threads_posix.h:87
#4  0x00007eff2fe6a617 in start_thread () from /lib64/libpthread.so.0
#5  0x00007eff398c160f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7eff34300a80 (LWP 27838)):
[KCrash Handler]
#6  0x00007eff07a21eb0 in wl_proxy_create_wrapper () from
/usr/lib64/libwayland-client.so.0
#7  0x00007eff0c8073f6 in get_wl_surface_proxy (window=0x1ee3220,
window=0x1ee3220) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/src/egl/drivers/dri2/platform_wayland.c:125
#8  dri2_wl_create_window_surface (drv=<optimized out>, disp=0x13d9620,
conf=0x147e400, native_window=0x1ee3220, attrib_list=0x0) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/src/egl/drivers/dri2/platform_wayland.c:199
#9  0x00007eff0c7f5166 in _eglCreateWindowSurfaceCommon (disp=0x13d9620,
config=<optimized out>, native_window=0x1ee3220, attrib_list=0x0) at
/var/tmp/portage/media-libs/mesa-17.2.2/work/mesa-17.2.2/src/egl/main/eglapi.c:902
#10 0x00007eff3c15c9cb in ?? () from
/usr/lib64/qt5/plugins/wayland-graphics-integration-client/libwayland-egl.so
#11 0x00007eff3c15aef9 in ?? () from
/usr/lib64/qt5/plugins/wayland-graphics-integration-client/libwayland-egl.so
#12 0x00007eff3a541881 in QOpenGLContext::makeCurrent (this=0x1d59d40,
surface=0x166ee70) at kernel/qopenglcontext.cpp:984
#13 0x00007eff3aa320b7 in deleteBackingStore (d=d at entry=0x1663980) at
kernel/qwidget.cpp:1885
#14 0x00007eff3aa3b9ea in QWidgetPrivate::deleteTLSysExtra
(this=this at entry=0x1663980) at kernel/qwidget.cpp:1912
#15 0x00007eff3aa40748 in QWidget::destroy (this=this at entry=0x16636a0,
destroyWindow=destroyWindow at entry=true,
destroySubWindows=destroySubWindows at entry=true) at kernel/qwidget.cpp:12409
#16 0x00007eff3aa46f4f in QWidget::~QWidget (this=0x16636a0,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1712
#17 0x00007eff392d3fec in KMainWindow::~KMainWindow() () from
/usr/lib64/libKF5XmlGui.so.5
#18 0x00007eff3b9593a2 in KMMainWin::~KMMainWin (this=this at entry=0x16636a0,
__in_chrg=<optimized out>, __vtt_parm=<optimized out>) at
/var/tmp/portage/kde-apps/kmail-17.08.2/work/kmail-17.08.2/src/kmmainwin.cpp:95
#19 0x00007eff3b959409 in KMMainWin::~KMMainWin (this=0x16636a0,
__in_chrg=<optimized out>, __vtt_parm=<optimized out>) at
/var/tmp/portage/kde-apps/kmail-17.08.2/work/kmail-17.08.2/src/kmmainwin.cpp:100
#20 0x00007eff3a1ea5e8 in QObject::event (this=this at entry=0x16636a0,
e=e at entry=0x28106d0) at kernel/qobject.cpp:1237
#21 0x00007eff3aa4b863 in QWidget::event (this=this at entry=0x16636a0,
event=event at entry=0x28106d0) at kernel/qwidget.cpp:9264
#22 0x00007eff3ab5de83 in QMainWindow::event (this=0x16636a0, event=0x28106d0)
at widgets/qmainwindow.cpp:1562
#23 0x00007eff392d62ff in KMainWindow::event(QEvent*) () from
/usr/lib64/libKF5XmlGui.so.5
#24 0x00007eff393192ad in KXmlGuiWindow::event(QEvent*) () from
/usr/lib64/libKF5XmlGui.so.5
#25 0x00007eff3aa0cf4c in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x16636a0, e=0x28106d0) at kernel/qapplication.cpp:3722
#26 0x00007eff3aa14620 in QApplication::notify (this=0x7ffcb3287da0,
receiver=0x16636a0, e=0x28106d0) at kernel/qapplication.cpp:3481
#27 0x00007eff3a1c1891 in QCoreApplication::notifyInternal2
(receiver=0x16636a0, event=event at entry=0x28106d0) at
kernel/qcoreapplication.cpp:1018
#28 0x00007eff3a1c43fb in QCoreApplication::sendEvent (event=0x28106d0,
receiver=<optimized out>) at kernel/qcoreapplication.h:233
#29 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver at entry=0x0,
event_type=event_type at entry=0, data=0x1387300) at
kernel/qcoreapplication.cpp:1678
#30 0x00007eff3a1c4870 in QCoreApplication::sendPostedEvents
(receiver=receiver at entry=0x0, event_type=event_type at entry=0) at
kernel/qcoreapplication.cpp:1532
#31 0x00007eff3a210313 in postEventSourceDispatch (s=0x1421290) at
kernel/qeventdispatcher_glib.cpp:276
#32 0x00007eff2ddec5be in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#33 0x00007eff2ddec820 in ?? () from /usr/lib64/libglib-2.0.so.0
#34 0x00007eff2ddec8cc in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#35 0x00007eff3a21011f in QEventDispatcherGlib::processEvents (this=0x1387590,
flags=...) at kernel/qeventdispatcher_glib.cpp:423
#36 0x00007eff3a1c066a in QEventLoop::exec (this=this at entry=0x7ffcb32878e0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:212
#37 0x00007eff3a1c88fc in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1291
#38 0x00007eff3a5059ec in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1679
#39 0x00007eff3aa0cea5 in QApplication::exec () at kernel/qapplication.cpp:2910
#40 0x00000000004035e1 in main (argc=<optimized out>, argv=<optimized out>) at
/var/tmp/portage/kde-apps/kmail-17.08.2/work/kmail-17.08.2/src/main.cpp:157

Reported using DrKonqi

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