Bug 414864

Summary: kmail crash quite ramdomly
Product: [Applications] kontact Reporter: Pedro Celestino Reis Rodrigues <reis>
Component: generalAssignee: kdepim bugs <kdepim-bugs>
Status: RESOLVED DOWNSTREAM    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version: unspecified   
Target Milestone: ---   
Platform: Debian stable   
OS: Linux   
Latest Commit: Version Fixed In:

Description Pedro Celestino Reis Rodrigues 2019-12-05 15:29:10 UTC 
Application: kontact (5.9.3)

Qt Version: 5.12.5
Frameworks Version: 5.62.0
Operating System: Linux 5.3.0-2-amd64 x86_64
Distribution: Debian GNU/Linux bullseye/sid

-- Information about the crash:
Most of the times I was selecting a folder. Sometimes it hapens without any user action at the moment but it may be indexing or syncronizing.

-- Backtrace:
Application: Kontact (kontact), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
__lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:103
[Current thread is 1 (Thread 0x7fac6a820440 (LWP 92910))]

Thread 24 (Thread 0x7fab57fff700 (LWP 93391)):
#0  0x00007fac7b56a139 in g_mutex_lock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fac7b51f1aa in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fac7d5f780b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fac7d5a071b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fac7d3e1751 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fac7d3e28d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7fab5ffff700 (LWP 93089)):
#0  0x00007fac7d05b89c in __GI___libc_read (nbytes=16, buf=0x7fab5fffe490, fd=80) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007fac7d05b89c in __GI___libc_read (fd=80, buf=0x7fab5fffe490, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fac7b565d4f in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fac7b51ebee in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fac7b51f042 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fac7b51f1bf in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fac7d5f780b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fac7d5a071b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fac7d3e1751 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fac7d3e28d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#11 0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7fab717b9700 (LWP 92957)):
#0  0x00007fac7d05b89c in __GI___libc_read (nbytes=16, buf=0x7fab717b8490, fd=78) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007fac7d05b89c in __GI___libc_read (fd=78, buf=0x7fab717b8490, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fac7b565d4f in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fac7b51ebee in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fac7b51f042 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fac7b51f1bf in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fac7d5f780b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fac7d5a071b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fac7d3e1751 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fac7d3e28d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#11 0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7fab71fba700 (LWP 92956)):
#0  0x00007fac7d3e2d3c in QMutex::lock() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007fac7d5f76fe in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fac7b51e61f in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fac7b51efcb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fac7b51f1bf in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fac7d5f780b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fac7d5a071b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fac7d3e1751 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fac7d3e28d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#10 0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7fab72887700 (LWP 92955)):
#0  0x00007fac7b56a139 in g_mutex_lock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fac7b51ec56 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fac7b51f130 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fac7b51f1bf in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fac7d5f780b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fac7d5a071b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fac7d3e1751 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fac7d3e28d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7fac1cff9700 (LWP 92938)):
#0  0x00007fac7be7cdb5 in futex_wait_cancelable (private=0, expected=0, futex_word=0x7fac1cff85f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fac7be7cdb5 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fac1cff85a8, cond=0x7fac1cff85d0) at pthread_cond_wait.c:502
#2  0x00007fac7be7cdb5 in __pthread_cond_wait (cond=0x7fac1cff85d0, mutex=0x7fac1cff85a8) at pthread_cond_wait.c:655
#3  0x00007fac75a6ae2a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fac75a6b8c8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fac75a6b96f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fac75a2e108 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fac75a30f18 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fac75a31244 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fac75a6de2f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#11 0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7fac1d7fa700 (LWP 92936)):
#0  0x00007fac7d07753b in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:63
#1  0x00007fac7cfdac44 in buffered_vfprintf (s=s@entry=0x7fac7d12a680 <_IO_2_1_stderr_>, format=format@entry=0x7fac70c58258 "[%s] %s\n", args=args@entry=0x7fac1d7f8ef0, mode_flags=mode_flags@entry=2) at vfprintf-internal.c:2334
#2  0x00007fac7cfd7f14 in __vfprintf_internal (s=0x7fac7d12a680 <_IO_2_1_stderr_>, format=0x7fac70c58258 "[%s] %s\n", ap=ap@entry=0x7fac1d7f8ef0, mode_flags=2) at vfprintf-internal.c:1303
#3  0x00007fac7d078fff in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007fac70c3f2ee in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#5  0x00007fac70c3f4b5 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x00007fac70c40ea8 in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007fac70c36ff5 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007fac75a71644 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fac75a0c9ef in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fac75a3688d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fac75a6de2f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#13 0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7fac1e7fc700 (LWP 92932)):
#0  0x00007fac7be7cdb5 in futex_wait_cancelable (private=0, expected=0, futex_word=0x7fac711adfb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fac7be7cdb5 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fac711adf68, cond=0x7fac711adf90) at pthread_cond_wait.c:502
#2  0x00007fac7be7cdb5 in __pthread_cond_wait (cond=0x7fac711adf90, mutex=0x7fac711adf68) at pthread_cond_wait.c:655
#3  0x00007fac710b0fea in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007fac710b1009 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fac1effd700 (LWP 92931)):
#0  0x00007fac68b5c177 in pa_read () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.0.so
#1  0x00007fac68be3a0e in pa_mainloop_prepare () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007fac68be44b0 in pa_mainloop_iterate () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fac68be4570 in pa_mainloop_run () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fac68bf2439 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fac68b8a268 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.0.so
#6  0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fac1f7fe700 (LWP 92930)):
#0  0x00007fac7d07753b in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:63
#1  0x00007fac7cfdac44 in buffered_vfprintf (s=s@entry=0x7fac7d12a680 <_IO_2_1_stderr_>, format=format@entry=0x7fac70c58258 "[%s] %s\n", args=args@entry=0x7fac1f7fcef0, mode_flags=mode_flags@entry=2) at vfprintf-internal.c:2334
#2  0x00007fac7cfd7f14 in __vfprintf_internal (s=0x7fac7d12a680 <_IO_2_1_stderr_>, format=0x7fac70c58258 "[%s] %s\n", ap=ap@entry=0x7fac1f7fcef0, mode_flags=2) at vfprintf-internal.c:1303
#3  0x00007fac7d078fff in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007fac70c3f2ee in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#5  0x00007fac70c3f4b5 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x00007fac70c40ea8 in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007fac70c36ff5 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007fac75a7155a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fac75a0c9ef in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fac75a3688d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fac75a6de2f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#13 0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7fac1ffff700 (LWP 92929)):
[KCrash Handler]
#6  0x00007fac7cfaa081 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#7  0x00007fac7cf95535 in __GI_abort () at abort.c:79
#8  0x00007fac7cf9540f in __assert_fail_base (fmt=0x7fac685154ba "%s%s%s:%u: %s%sAssertiva \342\200\234%s\342\200\235 falhou.\n%n", assertion=0x7fac68486068 "kref", file=0x7fac68486052 "../nouveau/pushbuf.c", line=723, function=<optimized out>) at assert.c:92
#9  0x00007fac7cfa2b92 in __GI___assert_fail (assertion=0x7fac68486068 "kref", file=0x7fac68486052 "../nouveau/pushbuf.c", line=723, function=0x7fac684861a0 "nouveau_pushbuf_data") at assert.c:101
#10 0x00007fac6848443f in  () at /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#11 0x00007fac684843a3 in nouveau_pushbuf_data () at /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#12 0x00007fac684844bc in  () at /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#13 0x00007fac684848df in  () at /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#14 0x00007fac684854b0 in nouveau_pushbuf_kick () at /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#15 0x00007fac62e917b9 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#16 0x00007fac630dbbf4 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#17 0x00007fac62ff4528 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#18 0x00007fac62fe05d3 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#19 0x00007fac62b5a476 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#20 0x00007fac62b5544a in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#21 0x00007fac689a6dae in  () at /usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0
#22 0x00007fac730366c2 in  () at /usr/lib/x86_64-linux-gnu/libGLX.so.0
#23 0x00007fac73038789 in  () at /usr/lib/x86_64-linux-gnu/libGLX.so.0
#24 0x00007fac760f521d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#25 0x00007fac7643d831 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#26 0x00007fac783f9a28 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#27 0x00007fac783f9ba8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#28 0x00007fac783f9d2a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#29 0x00007fac759cbc00 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#30 0x00007fac759ebe81 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#31 0x00007fac759ecb9f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#32 0x00007fac759ece54 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#33 0x00007fac759ea928 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#34 0x00007fac75a0c9ef in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#35 0x00007fac75a3688d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#36 0x00007fac75a6de2f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#37 0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#38 0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fac44ff9700 (LWP 92928)):
#0  0x00007fac7be7d11c in futex_reltimed_wait_cancelable (private=0, reltime=0x7fac44ff83c0, expected=0, futex_word=0x7fac44ff85a8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fac7be7d11c in __pthread_cond_wait_common (abstime=0x7fac44ff8460, mutex=0x7fac44ff8558, cond=0x7fac44ff8580) at pthread_cond_wait.c:533
#2  0x00007fac7be7d11c in __pthread_cond_timedwait (cond=0x7fac44ff8580, mutex=0x7fac44ff8558, abstime=0x7fac44ff8460) at pthread_cond_wait.c:667
#3  0x00007fac75a6aefa in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fac75a6b8b7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fac759ea968 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fac75a0c9ef in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fac75a3688d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fac75a6de2f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#10 0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fac457fa700 (LWP 92927)):
#0  0x00007fac7be7cdb5 in futex_wait_cancelable (private=0, expected=0, futex_word=0x56500c9442c8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fac7be7cdb5 in __pthread_cond_wait_common (abstime=0x0, mutex=0x56500c944208, cond=0x56500c9442a0) at pthread_cond_wait.c:502
#2  0x00007fac7be7cdb5 in __pthread_cond_wait (cond=0x56500c9442a0, mutex=0x56500c944208) at pthread_cond_wait.c:655
#3  0x00007fac75a6ae2a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fac76341b68 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fac75a3e58d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fac75a6de2f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fac45ffb700 (LWP 92926)):
#0  0x00007fac7be7cdb5 in futex_wait_cancelable (private=0, expected=0, futex_word=0x7fac45ffa5f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fac7be7cdb5 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fac45ffa5a8, cond=0x7fac45ffa5d0) at pthread_cond_wait.c:502
#2  0x00007fac7be7cdb5 in __pthread_cond_wait (cond=0x7fac45ffa5d0, mutex=0x7fac45ffa5a8) at pthread_cond_wait.c:655
#3  0x00007fac75a6ae2a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fac75a6b8c8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fac75a6b96f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fac75a2e108 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fac75a30f18 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fac75a31204 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fac75a6de2f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#11 0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fac467fc700 (LWP 92925)):
#0  0x00007fac7d07753b in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:63
#1  0x00007fac7cfdac44 in buffered_vfprintf (s=s@entry=0x7fac7d12a680 <_IO_2_1_stderr_>, format=format@entry=0x7fac70c58258 "[%s] %s\n", args=args@entry=0x7fac467faed0, mode_flags=mode_flags@entry=2) at vfprintf-internal.c:2334
#2  0x00007fac7cfd7f14 in __vfprintf_internal (s=0x7fac7d12a680 <_IO_2_1_stderr_>, format=0x7fac70c58258 "[%s] %s\n", ap=ap@entry=0x7fac467faed0, mode_flags=2) at vfprintf-internal.c:1303
#3  0x00007fac7d078fff in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007fac70c3f2ee in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#5  0x00007fac70c3f4b5 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x00007fac70c40ea8 in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007fac70c36ff5 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007fac75a71508 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fac75a0c9ef in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fac753b0444 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fac75a3688d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fac75a6de2f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#14 0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fac46ffd700 (LWP 92924)):
#0  0x00007fac7be7d11c in futex_reltimed_wait_cancelable (private=0, reltime=0x7fac46ffc400, expected=0, futex_word=0x7fac46ffc5e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fac7be7d11c in __pthread_cond_wait_common (abstime=0x7fac46ffc4a0, mutex=0x7fac46ffc598, cond=0x7fac46ffc5c0) at pthread_cond_wait.c:533
#2  0x00007fac7be7d11c in __pthread_cond_timedwait (cond=0x7fac46ffc5c0, mutex=0x7fac46ffc598, abstime=0x7fac46ffc4a0) at pthread_cond_wait.c:667
#3  0x00007fac75a6aefa in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fac75a6b8b7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fac75a6b9b1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fac75a2e0f2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fac75a30f18 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fac75a311c4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fac75a6de2f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#11 0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fac477fe700 (LWP 92923)):
#0  0x00007fac7be7d11c in futex_reltimed_wait_cancelable (private=0, reltime=0x7fac477fd400, expected=0, futex_word=0x7fac477fd5e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fac7be7d11c in __pthread_cond_wait_common (abstime=0x7fac477fd4a0, mutex=0x7fac477fd598, cond=0x7fac477fd5c0) at pthread_cond_wait.c:533
#2  0x00007fac7be7d11c in __pthread_cond_timedwait (cond=0x7fac477fd5c0, mutex=0x7fac477fd598, abstime=0x7fac477fd4a0) at pthread_cond_wait.c:667
#3  0x00007fac75a6aefa in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fac75a6b8b7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fac75a6b9b1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fac75a2e0f2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fac75a30f18 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fac75a311c4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fac75a6de2f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#11 0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fac47fff700 (LWP 92922)):
#0  0x00007fac7be7d11c in futex_reltimed_wait_cancelable (private=0, reltime=0x7fac47ffe400, expected=0, futex_word=0x7fac47ffe5e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fac7be7d11c in __pthread_cond_wait_common (abstime=0x7fac47ffe4a0, mutex=0x7fac47ffe598, cond=0x7fac47ffe5c0) at pthread_cond_wait.c:533
#2  0x00007fac7be7d11c in __pthread_cond_timedwait (cond=0x7fac47ffe5c0, mutex=0x7fac47ffe598, abstime=0x7fac47ffe4a0) at pthread_cond_wait.c:667
#3  0x00007fac75a6aefa in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fac75a6b8b7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fac75a6b9b1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fac75a2e0f2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fac75a30f18 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fac75a311c4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fac75a6de2f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#11 0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fac54db7700 (LWP 92921)):
#0  0x00007fac7be7d11c in futex_reltimed_wait_cancelable (private=0, reltime=0x7fac54db6400, expected=0, futex_word=0x7fac54db65e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fac7be7d11c in __pthread_cond_wait_common (abstime=0x7fac54db64a0, mutex=0x7fac54db6598, cond=0x7fac54db65c0) at pthread_cond_wait.c:533
#2  0x00007fac7be7d11c in __pthread_cond_timedwait (cond=0x7fac54db65c0, mutex=0x7fac54db6598, abstime=0x7fac54db64a0) at pthread_cond_wait.c:667
#3  0x00007fac75a6aefa in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fac75a6b8b7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fac75a6b9b1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fac75a2e0f2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fac75a30f18 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fac75a311c4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fac75a6de2f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#11 0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fac555b8700 (LWP 92920)):
#0  0x00007fac7d07753b in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:63
#1  0x00007fac7cfdac44 in buffered_vfprintf (s=s@entry=0x7fac7d12a680 <_IO_2_1_stderr_>, format=format@entry=0x7fac70c58258 "[%s] %s\n", args=args@entry=0x7fac555b6ed0, mode_flags=mode_flags@entry=2) at vfprintf-internal.c:2334
#2  0x00007fac7cfd7f14 in __vfprintf_internal (s=0x7fac7d12a680 <_IO_2_1_stderr_>, format=0x7fac70c58258 "[%s] %s\n", ap=ap@entry=0x7fac555b6ed0, mode_flags=2) at vfprintf-internal.c:1303
#3  0x00007fac7d078fff in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007fac70c3f2ee in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#5  0x00007fac70c3f4b5 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x00007fac70c40ea8 in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007fac70c36ff5 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007fac75a71644 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fac75a0c9ef in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fac75a34464 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fac75a3688d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fac75a6de2f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#14 0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fac565ba700 (LWP 92918)):
#0  0x00007fac7d05b93f in __GI___libc_write (nbytes=50, buf=0x7fac565b6940, fd=2) at ../sysdeps/unix/sysv/linux/write.c:26
#1  0x00007fac7d05b93f in __GI___libc_write (fd=2, buf=0x7fac565b6940, nbytes=50) at ../sysdeps/unix/sysv/linux/write.c:24
#2  0x00007fac7cfedc75 in _IO_new_file_write (f=0x7fac7d12a680 <_IO_2_1_stderr_>, data=0x7fac565b6940, n=50) at fileops.c:1183
#3  0x00007fac7cfed006 in new_do_write (fp=fp@entry=0x7fac7d12a680 <_IO_2_1_stderr_>, data=data@entry=0x7fac565b6940 "[warn] epoll_wait: Descritor de arquivo inv\303\241lido\n", to_do=to_do@entry=50) at libioP.h:904
#4  0x00007fac7cfee37e in _IO_new_file_xsputn (n=50, data=<optimized out>, f=<optimized out>) at fileops.c:1262
#5  0x00007fac7cfee37e in _IO_new_file_xsputn (f=0x7fac7d12a680 <_IO_2_1_stderr_>, data=<optimized out>, n=50) at fileops.c:1204
#6  0x00007fac7cfdaca1 in buffered_vfprintf (s=s@entry=0x7fac7d12a680 <_IO_2_1_stderr_>, format=format@entry=0x7fac70c58258 "[%s] %s\n", args=args@entry=0x7fac565b8ef0, mode_flags=mode_flags@entry=2) at ../libio/libioP.h:904
#7  0x00007fac7cfd7f14 in __vfprintf_internal (s=0x7fac7d12a680 <_IO_2_1_stderr_>, format=0x7fac70c58258 "[%s] %s\n", ap=ap@entry=0x7fac565b8ef0, mode_flags=2) at vfprintf-internal.c:1303
#8  0x00007fac7d078fff in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#9  0x00007fac70c3f2ee in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#10 0x00007fac70c3f4b5 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#11 0x00007fac70c40ea8 in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#12 0x00007fac70c36ff5 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#13 0x00007fac75a7155a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007fac75a0c9ef in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007fac75a3688d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007fac75a6de2f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#18 0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fac57fff700 (LWP 92913)):
#0  0x00007fac7d05fd0f in __GI___poll (fds=0x7fac50038d00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fac7b51f09e in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fac7b51f1bf in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fac7d5f780b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fac7d5a071b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fac7d3e1751 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fac7ca744e6 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fac7d3e28d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fac5d1e2700 (LWP 92912)):
#0  0x00007fac7be7cdb5 in futex_wait_cancelable (private=0, expected=0, futex_word=0x56500c6dfed8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fac7be7cdb5 in __pthread_cond_wait_common (abstime=0x0, mutex=0x56500c6dfe88, cond=0x56500c6dfeb0) at pthread_cond_wait.c:502
#2  0x00007fac7be7cdb5 in __pthread_cond_wait (cond=0x56500c6dfeb0, mutex=0x56500c6dfe88) at pthread_cond_wait.c:655
#3  0x00007fac632bbb8b in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#4  0x00007fac632bb7a7 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#5  0x00007fac7be76fb7 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fac7d06a2cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fac6a820440 (LWP 92910)):
#0  0x00007fac7be8001c in __lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:103
#1  0x00007fac7be79821 in __GI___pthread_mutex_lock (mutex=0x7fac73046320) at ../nptl/pthread_mutex_lock.c:115
#2  0x00007fac730383b1 in  () at /usr/lib/x86_64-linux-gnu/libGLX.so.0
#3  0x00007fac6a514ef8 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so
#4  0x00007fac7d9bccfe in QOpenGLContext::makeCurrent(QSurface*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#5  0x00007fac7ae93bca in QQuickWidget::createFramebufferObject() () at /usr/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#6  0x00007fac7ae93f69 in QQuickWidget::resizeEvent(QResizeEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#7  0x00007fac7c93dc9d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#8  0x00007fac7dfddfae in QWidget::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007fac7ae94e13 in QQuickWidget::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#10 0x00007fac7c93e002 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#11 0x00007fac7df9bc32 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007fac7dfa5190 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007fac7d5a1a92 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007fac7dfd5268 in QWidgetPrivate::setGeometry_sys(int, int, int, int, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007fac7dfd5ff0 in QWidget::setGeometry(QRect const&) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007fac7dfbefe5 in QWidgetItem::setGeometry(QRect const&) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007fac7dfb506b in QBoxLayout::setGeometry(QRect const&) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007fac7dfbb258 in QLayoutPrivate::doResize(QSize const&) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007fac7df9bc16 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007fac7dfa5190 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007fac7d5a1a92 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007fac7dfd5268 in QWidgetPrivate::setGeometry_sys(int, int, int, int, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007fac7dfd5ff0 in QWidget::setGeometry(QRect const&) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007fac7dfbefe5 in QWidgetItem::setGeometry(QRect const&) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007fac7dfb506b in QBoxLayout::setGeometry(QRect const&) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007fac7dfbb258 in QLayoutPrivate::doResize(QSize const&) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007fac7df9bc16 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007fac7dfa5190 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007fac7d5a1a92 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007fac7dfd5268 in QWidgetPrivate::setGeometry_sys(int, int, int, int, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007fac7dfd5ff0 in QWidget::setGeometry(QRect const&) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007fac7dfbefe5 in QWidgetItem::setGeometry(QRect const&) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007fac7dfb4fa8 in QBoxLayout::setGeometry(QRect const&) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007fac7dfbb258 in QLayoutPrivate::doResize(QSize const&) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007fac7dfbc327 in QLayout::activate() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#36 0x00007fac7dfdd1ef in QWidgetPrivate::setVisible(bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#37 0x00007fab72fd92be in MessageViewer::ViewerPrivate::updateReaderWin() () at /usr/lib/x86_64-linux-gnu/libKF5MessageViewer.so.5abi1
#38 0x00007fac7d5cc528 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007fac7d5d9147 in QTimer::timeout(QTimer::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00007fac7d5ccd85 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007fac7df9bc32 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#42 0x00007fac7dfa5190 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#43 0x00007fac7d5a1a92 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x00007fac7d5f6bd0 in QTimerInfoList::activateTimers() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#45 0x00007fac7d5f747c in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#46 0x00007fac7b51eead in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007fac7b51f130 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007fac7b51f1bf in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#49 0x00007fac7d5f77f1 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#50 0x00007fac7d5a071b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#51 0x00007fac7d5a81c2 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#52 0x000056500b9656ef in  ()
#53 0x00007fac7cf96bbb in __libc_start_main (main=0x56500b964b70, argc=3, argv=0x7ffff2036278, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffff2036268) at ../csu/libc-start.c:308
#54 0x000056500b965e2a in _start ()
[Inferior 1 (process 92910) detached]

The reporter indicates this bug may be a duplicate of or related to bug 411687.

Possible duplicates by query: bug 411687, bug 411347.

Reported using DrKonqi
Comment 1 Christoph Feck 2019-12-27 17:30:26 UTC 
Crash is in nouveau OpenGL driver.