Bug 399884

Summary: kmail crashes all the time
Product: [Applications] kmail2 Reporter: crist.villavicencio
Component: generalAssignee: kdepim bugs <kdepim-bugs>
Status: RESOLVED DUPLICATE    
Severity: crash CC: varun-patel
Priority: NOR Keywords: drkonqi
Version: unspecified   
Target Milestone: ---   
Platform: Neon   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description crist.villavicencio 2018-10-16 16:23:30 UTC 
Application: kmail (5.9.2)

Qt Version: 5.11.1
Frameworks Version: 5.51.0
Operating System: Linux 4.15.0-36-generic x86_64
Distribution: KDE neon User Edition 5.14

-- Information about the crash:
Kmail crashes in different situations. Mainly when searching for some email, sometimes  sending an email or just opening an email. This happens every time I use it.

The crash can be reproduced every time.

-- Backtrace:
Application: KMail (kmail), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0b8c7f42c0 (LWP 969))]

Thread 31 (Thread 0x7f0b0bfff700 (LWP 1755)):
#0  0x00007f0b7f113ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f0b0bffea80, expected=0, futex_word=0x7f0b0bffec68) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f0b0bffeb20, mutex=0x7f0b0bffec18, cond=0x7f0b0bffec40) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f0b0bffec40, mutex=0x7f0b0bffec18, abstime=0x7f0b0bffeb20) at pthread_cond_wait.c:667
#3  0x00007f0b73dde837 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0b73de0b17 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0b73de0c02 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0b73de5c81 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b73de7209 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0b73deff11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0b7f10d6db in start_thread (arg=0x7f0b0bfff700) at pthread_create.c:463
#10 0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7f0a26127700 (LWP 1753)):
#0  0x00007f0b7f113ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f0a26126a80, expected=0, futex_word=0x7f0a26126c68) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f0a26126b20, mutex=0x7f0a26126c18, cond=0x7f0a26126c40) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f0a26126c40, mutex=0x7f0a26126c18, abstime=0x7f0a26126b20) at pthread_cond_wait.c:667
#3  0x00007f0b73dde837 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0b73de0b17 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0b73de0c02 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0b73de5c81 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b73de7209 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0b73deff11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0b7f10d6db in start_thread (arg=0x7f0a26127700) at pthread_create.c:463
#10 0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7f0a2130a700 (LWP 1163)):
#0  0x00007f0b8988cbf9 in __GI___poll (fds=0x7f0adc005e60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0b7d241439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0b7d24154c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0b8a1c7a9b in QEventDispatcherGlib::processEvents (this=0x7f0adc001f60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f0b8a16bdea in QEventLoop::exec (this=this@entry=0x7f0a21309d20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5  0x00007f0b89f96b8a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#6  0x00007f0b89fa1aab in QThreadPrivate::start (arg=0x55c49e1d39f0) at thread/qthread_unix.cpp:367
#7  0x00007f0b7f10d6db in start_thread (arg=0x7f0a2130a700) at pthread_create.c:463
#8  0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7f0ab221c700 (LWP 1144)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f0b898aa474 in ___fprintf_chk (fp=0x7f0b89b658b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f0b697dc6a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f0b697c49ad in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f0b697c4b44 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f0b697c646c in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f0b697bc114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f0b73db1c71 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b73dd212b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0b73df452f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0b73deff11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0b7f10d6db in start_thread (arg=0x7f0ab221c700) at pthread_create.c:463
#11 0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7f0aa735c700 (LWP 1040)):
#0  0x00007f0b7f1139f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f0b6f904fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f0b6f904f68, cond=0x7f0b6f904f90) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f0b6f904f90, mutex=0x7f0b6f904f68) at pthread_cond_wait.c:655
#3  0x00007f0b6f60f954 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f0b6f60f999 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f0b7f10d6db in start_thread (arg=0x7f0aa735c700) at pthread_create.c:463
#6  0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7f0aa97c8700 (LWP 1027)):
#0  0x00007f0b8988cbf9 in __GI___poll (fds=0x7f0ac400ece0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0b7d241439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0b7d24154c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0b8a1c7a9b in QEventDispatcherGlib::processEvents (this=0x7f0ac400bfd0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f0b8a16bdea in QEventLoop::exec (this=this@entry=0x7f0aa97c7d20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5  0x00007f0b89f96b8a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#6  0x00007f0b89fa1aab in QThreadPrivate::start (arg=0x55c4a08673b0) at thread/qthread_unix.cpp:367
#7  0x00007f0b7f10d6db in start_thread (arg=0x7f0aa97c8700) at pthread_create.c:463
#8  0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7f0b09ffb700 (LWP 1007)):
#0  0x00007f0b898880b4 in __GI___libc_read (fd=66, buf=0x7f0b09ffab5e, nbytes=10) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f0b65188ff1 in pa_read () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007f0b6bfb99fe in pa_mainloop_prepare () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f0b6bfba470 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f0b6bfba530 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f0b6bfc8399 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f0b651b82a8 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007f0b7f10d6db in start_thread (arg=0x7f0b09ffb700) at pthread_create.c:463
#8  0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f0b0a7fc700 (LWP 1006)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f0b898aa474 in ___fprintf_chk (fp=0x7f0b89b658b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f0b697dc6a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f0b697c49ad in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f0b697c4b44 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f0b697c646c in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f0b697bc114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f0b73db1cc5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b73dd212b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0b73df452f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0b73deff11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0b7f10d6db in start_thread (arg=0x7f0b0a7fc700) at pthread_create.c:463
#11 0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f0b0affd700 (LWP 1005)):
#0  0x00007f0b7f1139f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f0b0affcc18) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f0b0affcbc8, cond=0x7f0b0affcbf0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f0b0affcbf0, mutex=0x7f0b0affcbc8) at pthread_cond_wait.c:655
#3  0x00007f0b73dde769 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0b73de0b2c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0b73de0bbf in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0b73daaeda in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b73dd212b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0b73df452f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0b73deff11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0b7f10d6db in start_thread (arg=0x7f0b0affd700) at pthread_create.c:463
#11 0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f0b0b7fe700 (LWP 1004)):
#0  0x00007f0b7f113ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f0b0b7fda50, expected=0, futex_word=0x7f0b0b7fdc38) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f0b0b7fdaf0, mutex=0x7f0b0b7fdbe8, cond=0x7f0b0b7fdc10) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f0b0b7fdc10, mutex=0x7f0b0b7fdbe8, abstime=0x7f0b0b7fdaf0) at pthread_cond_wait.c:667
#3  0x00007f0b73dde837 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0b73de0b17 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0b73daaee8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0b73dd212b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b73df452f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0b73deff11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0b7f10d6db in start_thread (arg=0x7f0b0b7fe700) at pthread_create.c:463
#10 0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f0b10ff9700 (LWP 1003)):
#0  0x00007f0b7f1139f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55c49ad07f78) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55c49ad07eb8, cond=0x55c49ad07f50) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55c49ad07f50, mutex=0x55c49ad07eb8) at pthread_cond_wait.c:655
#3  0x00007f0b73dde769 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0b74aeec28 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0b73df436c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0b73deff11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b7f10d6db in start_thread (arg=0x7f0b10ff9700) at pthread_create.c:463
#8  0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f0b117fa700 (LWP 1002)):
#0  0x00007f0b7f1139f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f0b117f9c78) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f0b117f9c28, cond=0x7f0b117f9c50) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f0b117f9c50, mutex=0x7f0b117f9c28) at pthread_cond_wait.c:655
#3  0x00007f0b73dde769 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0b73de0b2c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0b73de0bbf in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0b73de5c98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b73de7209 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0b73deff11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0b7f10d6db in start_thread (arg=0x7f0b117fa700) at pthread_create.c:463
#10 0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f0b11ffb700 (LWP 1001)):
#0  0x00007f0b89888187 in __GI___libc_write (fd=2, buf=0x7f0b11ff7ba0, nbytes=50) at ../sysdeps/unix/sysv/linux/write.c:27
#1  0x00007f0b898031bd in _IO_new_file_write (f=0x7f0b89b64680 <_IO_2_1_stderr_>, data=0x7f0b11ff7ba0, n=50) at fileops.c:1203
#2  0x00007f0b89803b2f in new_do_write (to_do=<optimized out>, data=0x7f0b11ff7ba0 "[warn] epoll_wait: Descriptor de archivo err\303\263neo\n", fp=0x7f0b89b64680 <_IO_2_1_stderr_>) at fileops.c:457
#3  _IO_new_file_xsputn (f=0x7f0b89b64680 <_IO_2_1_stderr_>, data=<optimized out>, n=50) at fileops.c:1277
#4  0x00007f0b897d6707 in buffered_vfprintf (s=s@entry=0x7f0b89b64680 <_IO_2_1_stderr_>, format=format@entry=0x7f0b697dc6a8 "[%s] %s\n", args=args@entry=0x7f0b11ffa160) at vfprintf.c:2350
#5  0x00007f0b897d3726 in _IO_vfprintf_internal (s=s@entry=0x7f0b89b64680 <_IO_2_1_stderr_>, format=0x7f0b697dc6a8 "[%s] %s\n", ap=ap@entry=0x7f0b11ffa160) at vfprintf.c:1301
#6  0x00007f0b898aa4c6 in ___fprintf_chk (fp=0x7f0b89b64680 <_IO_2_1_stderr_>, flag=1, format=<optimized out>) at fprintf_chk.c:35
#7  0x00007f0b697c49ad in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f0b697c4b44 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007f0b697c646c in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007f0b697bc114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007f0b73db1c71 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f0b73dd212b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f0b72eac86a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f0b72eace8f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f0b73df45e8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007f0b73deff11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007f0b7f10d6db in start_thread (arg=0x7f0b11ffb700) at pthread_create.c:463
#18 0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f0b127fc700 (LWP 1000)):
#0  0x00007f0b7f1139f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f0b127fbc78) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f0b127fbc28, cond=0x7f0b127fbc50) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f0b127fbc50, mutex=0x7f0b127fbc28) at pthread_cond_wait.c:655
#3  0x00007f0b73dde769 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0b73de0b2c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0b73de0bbf in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0b73de5c98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b73de701f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0b73deff11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0b7f10d6db in start_thread (arg=0x7f0b127fc700) at pthread_create.c:463
#10 0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f0b12ffd700 (LWP 999)):
#0  0x00007f0b7f1139f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f0b12ffcc78) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f0b12ffcc28, cond=0x7f0b12ffcc50) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f0b12ffcc50, mutex=0x7f0b12ffcc28) at pthread_cond_wait.c:655
#3  0x00007f0b73dde769 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0b73de0b2c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0b73de0bbf in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0b73de5c98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b73de7209 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0b73deff11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0b7f10d6db in start_thread (arg=0x7f0b12ffd700) at pthread_create.c:463
#10 0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f0b137fe700 (LWP 998)):
#0  0x00007f0b7f1139f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f0b137fdc78) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f0b137fdc28, cond=0x7f0b137fdc50) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f0b137fdc50, mutex=0x7f0b137fdc28) at pthread_cond_wait.c:655
#3  0x00007f0b73dde769 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0b73de0b2c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0b73de0bbf in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0b73de5c98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b73de701f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0b73deff11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0b7f10d6db in start_thread (arg=0x7f0b137fe700) at pthread_create.c:463
#10 0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f0b13fff700 (LWP 997)):
#0  0x00007f0b7f1139f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f0b13ffec78) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f0b13ffec28, cond=0x7f0b13ffec50) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f0b13ffec50, mutex=0x7f0b13ffec28) at pthread_cond_wait.c:655
#3  0x00007f0b73dde769 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0b73de0b2c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0b73de0bbf in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0b73de5c98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b73de701f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0b73deff11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0b7f10d6db in start_thread (arg=0x7f0b13fff700) at pthread_create.c:463
#10 0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f0b18ff9700 (LWP 996)):
#0  0x00007f0b7f1139f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f0b18ff8c78) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f0b18ff8c28, cond=0x7f0b18ff8c50) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f0b18ff8c50, mutex=0x7f0b18ff8c28) at pthread_cond_wait.c:655
#3  0x00007f0b73dde769 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0b73de0b2c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0b73de0bbf in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0b73de5c98 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b73de701f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0b73deff11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0b7f10d6db in start_thread (arg=0x7f0b18ff9700) at pthread_create.c:463
#10 0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f0b1a7fc700 (LWP 992)):
#0  0x00007f0b7f113ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f0b1a7fba80, expected=0, futex_word=0x7f0b1a7fbc68) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f0b1a7fbb20, mutex=0x7f0b1a7fbc18, cond=0x7f0b1a7fbc40) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f0b1a7fbc40, mutex=0x7f0b1a7fbc18, abstime=0x7f0b1a7fbb20) at pthread_cond_wait.c:667
#3  0x00007f0b73dde837 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0b73de0b17 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0b73de0c02 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0b73de5c81 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b73de7209 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0b73deff11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0b7f10d6db in start_thread (arg=0x7f0b1a7fc700) at pthread_create.c:463
#10 0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f0b1b7fe700 (LWP 990)):
#0  0x00007f0b7f113ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f0b1b7fda80, expected=0, futex_word=0x7f0b1b7fdc68) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f0b1b7fdb20, mutex=0x7f0b1b7fdc18, cond=0x7f0b1b7fdc40) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f0b1b7fdc40, mutex=0x7f0b1b7fdc18, abstime=0x7f0b1b7fdb20) at pthread_cond_wait.c:667
#3  0x00007f0b73dde837 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0b73de0b17 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0b73de0c02 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0b73de5c81 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b73de7209 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0b73deff11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0b7f10d6db in start_thread (arg=0x7f0b1b7fe700) at pthread_create.c:463
#10 0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f0b1bfff700 (LWP 989)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f0b898aa474 in ___fprintf_chk (fp=0x7f0b89b658b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f0b697dc6a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f0b697c49ad in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f0b697c4b44 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f0b697c646c in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f0b697bc114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f0b73db1cc5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b73dd212b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0b73df452f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0b73deff11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0b7f10d6db in start_thread (arg=0x7f0b1bfff700) at pthread_create.c:463
#11 0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f0b3088d700 (LWP 988)):
#0  0x00007f0b7f1139f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f0b3088cc18) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f0b3088cbc8, cond=0x7f0b3088cbf0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f0b3088cbf0, mutex=0x7f0b3088cbc8) at pthread_cond_wait.c:655
#3  0x00007f0b73dde769 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0b73de0b2c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0b73de0bbf in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0b73daaeda in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b73dd212b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0b73df452f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0b73deff11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0b7f10d6db in start_thread (arg=0x7f0b3088d700) at pthread_create.c:463
#11 0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f0b3108e700 (LWP 987)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f0b898aa474 in ___fprintf_chk (fp=0x7f0b89b658b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f0b697dc6a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f0b697c49ad in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f0b697c4b44 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f0b697c646c in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f0b697bc114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f0b73db1c71 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b73dd212b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0b73df452f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0b73deff11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0b7f10d6db in start_thread (arg=0x7f0b3108e700) at pthread_create.c:463
#11 0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f0b33bd9700 (LWP 978)):
#0  0x00007f0b898880b4 in __GI___libc_read (fd=26, buf=0x7f0b33bd8b10, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f0b7d285a00 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0b7d240f27 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0b7d2413e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0b7d24154c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0b8a1c7a9b in QEventDispatcherGlib::processEvents (this=0x7f0b2c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f0b8a16bdea in QEventLoop::exec (this=this@entry=0x7f0b33bd8d20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#7  0x00007f0b89f96b8a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#8  0x00007f0b89fa1aab in QThreadPrivate::start (arg=0x55c49ac46430) at thread/qthread_unix.cpp:367
#9  0x00007f0b7f10d6db in start_thread (arg=0x7f0b33bd9700) at pthread_create.c:463
#10 0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f0b4934c700 (LWP 975)):
#0  QMutex::lock (this=this@entry=0x55c49aabc6e0) at thread/qmutex.cpp:224
#1  0x00007f0b8a1c7eab in QMutexLocker::QMutexLocker (m=0x55c49aabc6e0, this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:206
#2  QThreadData::canWaitLocked (this=0x55c49aabc6b0) at ../../include/QtCore/5.11.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:254
#3  postEventSourcePrepare (timeout=<synthetic pointer>, s=0x7f0b34004ba0) at kernel/qeventdispatcher_glib.cpp:259
#4  postEventSourceCheck (source=0x7f0b34004ba0) at kernel/qeventdispatcher_glib.cpp:269
#5  0x00007f0b7d240e51 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f0b7d2413e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f0b7d24154c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f0b8a1c7a9b in QEventDispatcherGlib::processEvents (this=0x7f0b34000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#9  0x00007f0b8a16bdea in QEventLoop::exec (this=this@entry=0x7f0b4934bd20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#10 0x00007f0b89f96b8a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#11 0x00007f0b89fa1aab in QThreadPrivate::start (arg=0x55c49aa8e120) at thread/qthread_unix.cpp:367
#12 0x00007f0b7f10d6db in start_thread (arg=0x7f0b4934c700) at pthread_create.c:463
#13 0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f0b49b4d700 (LWP 974)):
#0  0x00007f0b7d286d94 in g_mutex_unlock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f0b7d2412ed in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0b7d24154c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0b8a1c7a9b in QEventDispatcherGlib::processEvents (this=0x7f0b40000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f0b8a16bdea in QEventLoop::exec (this=this@entry=0x7f0b49b4cd20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5  0x00007f0b89f96b8a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#6  0x00007f0b89fa1aab in QThreadPrivate::start (arg=0x55c49aa47bc0) at thread/qthread_unix.cpp:367
#7  0x00007f0b7f10d6db in start_thread (arg=0x7f0b49b4d700) at pthread_create.c:463
#8  0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f0b4a9ec700 (LWP 973)):
#0  0x00007f0b8988cbf9 in __GI___poll (fds=0x7f0b3c004a10, nfds=1, timeout=9485) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0b7d241439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0b7d24154c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0b8a1c7a9b in QEventDispatcherGlib::processEvents (this=0x7f0b3c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f0b8a16bdea in QEventLoop::exec (this=this@entry=0x7f0b4a9ebd20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5  0x00007f0b89f96b8a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#6  0x00007f0b89fa1aab in QThreadPrivate::start (arg=0x55c49aa9ef40) at thread/qthread_unix.cpp:367
#7  0x00007f0b7f10d6db in start_thread (arg=0x7f0b4a9ec700) at pthread_create.c:463
#8  0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f0b4bbfd700 (LWP 972)):
#0  0x00007f0b8988cbf9 in __GI___poll (fds=0x7f0adc004600, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0b7d241439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0b7d24154c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0b8a1c7a9b in QEventDispatcherGlib::processEvents (this=0x7f0b44000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f0b8a16bdea in QEventLoop::exec (this=this@entry=0x7f0b4bbfccf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5  0x00007f0b89f96b8a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#6  0x00007f0b887c6e45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f0b89fa1aab in QThreadPrivate::start (arg=0x7f0b88a3ed60) at thread/qthread_unix.cpp:367
#8  0x00007f0b7f10d6db in start_thread (arg=0x7f0b4bbfd700) at pthread_create.c:463
#9  0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f0b510f6700 (LWP 971)):
#0  0x00007f0b7f1139f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55c49a8b6508) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55c49a8b64b8, cond=0x55c49a8b64e0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55c49a8b64e0, mutex=0x55c49a8b64b8) at pthread_cond_wait.c:655
#3  0x00007f0b563a346b in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#4  0x00007f0b563a3197 in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#5  0x00007f0b7f10d6db in start_thread (arg=0x7f0b510f6700) at pthread_create.c:463
#6  0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f0b5daf8700 (LWP 970)):
#0  0x00007f0b8988cbf9 in __GI___poll (fds=0x7f0b5daf7c28, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0b7c66b747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f0b7c66d36a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f0b5fc0d129 in QXcbEventReader::run (this=0x55c49a877c10) at qxcbconnection.cpp:1388
#4  0x00007f0b89fa1aab in QThreadPrivate::start (arg=0x55c49a877c10) at thread/qthread_unix.cpp:367
#5  0x00007f0b7f10d6db in start_thread (arg=0x7f0b5daf8700) at pthread_create.c:463
#6  0x00007f0b8989988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f0b8c7f42c0 (LWP 969)):
[KCrash Handler]
#6  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#7  0x00007f0b897b8801 in __GI_abort () at abort.c:79
#8  0x00007f0b897a839a in __assert_fail_base (fmt=0x7f0b8c7d9075 "%s%s%s:%u: %s%sLa declaraci\303\263n `%s' no se cumple.\n%n", assertion=assertion@entry=0x7f0b55c51743 "kref", file=file@entry=0x7f0b55c5172a "../../nouveau/pushbuf.c", line=line@entry=727, function=function@entry=0x7f0b55c51770 "nouveau_pushbuf_data") at assert.c:92
#9  0x00007f0b897a8412 in __GI___assert_fail (assertion=0x7f0b55c51743 "kref", file=0x7f0b55c5172a "../../nouveau/pushbuf.c", line=727, function=0x7f0b55c51770 "nouveau_pushbuf_data") at assert.c:101
#10 0x00007f0b55c4fb8d in nouveau_pushbuf_data () from /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#11 0x00007f0b55c4fb46 in nouveau_pushbuf_data () from /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#12 0x00007f0b55c4fc14 in ?? () from /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#13 0x00007f0b55c4febf in ?? () from /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#14 0x00007f0b55c50a50 in nouveau_pushbuf_kick () from /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#15 0x00007f0b56673176 in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#16 0x00007f0b562e3e0b in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#17 0x00007f0b5644717a in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#18 0x00007f0b57dd30c8 in ?? () from /usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0
#19 0x00007f0b5d0efdf2 in QGLXContext::swapBuffers (this=0x55c49b16ec30, surface=0x55c49ab2d0c0) at qglxintegration.cpp:613
#20 0x00007f0b8a73d12f in QOpenGLContext::swapBuffers (this=0x55c49b176cc0, surface=surface@entry=0x55c49ab048a0) at kernel/qopenglcontext.cpp:1115
#21 0x00007f0b8aa053cc in QPlatformBackingStore::composeAndFlush (this=this@entry=0x55c49ab1a670, window=window@entry=0x55c49ab04890, region=..., offset=..., textures=textures@entry=0x55c4a04a9310, translucentBackground=<optimized out>) at painting/qplatformbackingstore.cpp:452
#22 0x00007f0b5fc2dd9b in QXcbBackingStore::composeAndFlush (this=0x55c49ab1a670, window=0x55c49ab04890, region=..., offset=..., textures=0x55c4a04a9310, translucentBackground=<optimized out>) at qxcbbackingstore.cpp:853
#23 0x00007f0b8af073f4 in QWidgetBackingStore::qt_flush (widget=0x55c49ab05e60, region=..., backingStore=<optimized out>, tlw=<optimized out>, widgetTextures=<optimized out>, widgetBackingStore=<optimized out>) at kernel/qwidgetbackingstore.cpp:146
#24 0x00007f0b8af08b6e in QWidgetBackingStore::flush (this=this@entry=0x55c49ab2a0c0, widget=widget@entry=0x0) at kernel/qwidgetbackingstore.cpp:1420
#25 0x00007f0b8af0a1fb in QWidgetBackingStore::endPaint (beginPaintInfo=<synthetic pointer>, backingStore=<optimized out>, cleaned=..., this=0x55c49ab2a0c0) at kernel/qwidgetbackingstore.cpp:355
#26 QWidgetBackingStore::doSync (this=this@entry=0x55c49ab2a0c0) at kernel/qwidgetbackingstore.cpp:1378
#27 0x00007f0b8af0a425 in QWidgetBackingStore::sync (this=0x55c49ab2a0c0) at kernel/qwidgetbackingstore.cpp:1156
#28 0x00007f0b8af21b6f in QWidgetPrivate::syncBackingStore (this=0x55c49aa7eff0) at kernel/qwidget.cpp:1953
#29 0x00007f0b8af39c78 in QWidget::event (this=this@entry=0x55c49ab02b20, event=event@entry=0x55c49ff27050) at kernel/qwidget.cpp:9220
#30 0x00007f0b8b0418d0 in QMainWindow::event (this=this@entry=0x55c49ab02b20, event=event@entry=0x55c49ff27050) at widgets/qmainwindow.cpp:1348
#31 0x00007f0b89289c77 in KMainWindow::event (this=this@entry=0x55c49ab02b20, ev=ev@entry=0x55c49ff27050) at ./src/kmainwindow.cpp:869
#32 0x00007f0b892ceb05 in KXmlGuiWindow::event (this=0x55c49ab02b20, ev=0x55c49ff27050) at ./src/kxmlguiwindow.cpp:119
#33 0x00007f0b8aefae8c in QApplicationPrivate::notify_helper (this=this@entry=0x55c49a854c00, receiver=receiver@entry=0x55c49ab02b20, e=e@entry=0x55c49ff27050) at kernel/qapplication.cpp:3727
#34 0x00007f0b8af0245f in QApplication::notify (this=0x7ffe0b3f9890, receiver=0x55c49ab02b20, e=0x55c49ff27050) at kernel/qapplication.cpp:3486
#35 0x00007f0b8a16dab8 in QCoreApplication::notifyInternal2 (receiver=0x55c49ab02b20, event=event@entry=0x55c49ff27050) at kernel/qcoreapplication.cpp:1048
#36 0x00007f0b8a1705fd in QCoreApplication::sendEvent (event=0x55c49ff27050, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#37 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x55c49a84ea40) at kernel/qcoreapplication.cpp:1745
#38 0x00007f0b8a170bb8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1599
#39 0x00007f0b8a1c8453 in postEventSourceDispatch (s=0x55c49a8afef0) at kernel/qeventdispatcher_glib.cpp:276
#40 0x00007f0b7d241287 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007f0b7d2414c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007f0b7d24154c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007f0b8a1c7a7f in QEventDispatcherGlib::processEvents (this=0x55c49a8a8900, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#44 0x00007f0b5fc97ed1 in QPAEventDispatcherGlib::processEvents (this=0x55c49a8a8900, flags=...) at qeventdispatcher_glib.cpp:69
#45 0x00007f0b8a16bdea in QEventLoop::exec (this=this@entry=0x7ffe0b3f93d0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#46 0x00007f0b8a174fa0 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1336
#47 0x000055c49897b84d in main (argc=<optimized out>, argv=<optimized out>) at ./src/main.cpp:171

Possible duplicates by query: bug 388050, bug 386263.

Reported using DrKonqi
Comment 1 Christoph Feck 2018-11-03 20:44:46 UTC 

*** This bug has been marked as a duplicate of bug 388050 ***