Bug 374715

Summary: Kontact is crashing frequently...
Product: [Applications] kontact Reporter: Nelson Fonseca <nelsinchi>
Component: generalAssignee: kdepim bugs <kdepim-bugs>
Status: RESOLVED DOWNSTREAM    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version: 5.4.0   
Target Milestone: ---   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Nelson Fonseca 2017-01-07 20:40:35 UTC 
Application: kontact (5.4.0)

Qt Version: 5.7.1
Frameworks Version: 5.29.0
Operating System: Linux 4.4.40-1-lts x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed: when I select any email, Kontact stops and closes.
[nelson@Nelhost-HOME ~]$ dmesg | tail
[  939.313606] nouveau 0000:01:00.0: kontact[1949]: validate_init
[  939.313610] nouveau 0000:01:00.0: kontact[1949]: validate: -2
[  949.938189] nouveau 0000:01:00.0: kontact[2796]: Unknown handle 0x00000015
[  949.938194] nouveau 0000:01:00.0: kontact[2796]: validate_init
[  949.938197] nouveau 0000:01:00.0: kontact[2796]: validate: -2
[ 1469.114409] nouveau 0000:01:00.0: fifo: CACHE_ERROR - ch 17 [vivaldi-bin[2176]] subc 5 mthd 0200 data 00000001
[ 1549.239098] nouveau 0000:01:00.0: fifo: CACHE_ERROR - ch 17 [vivaldi-bin[2176]] subc 5 mthd 0200 data 00000001
[ 2125.614511] nouveau 0000:01:00.0: kontact[3680]: Unknown handle 0x0000005d
[ 2125.614517] nouveau 0000:01:00.0: kontact[3680]: validate_init
[ 2125.614519] nouveau 0000:01:00.0: kontact[3680]: validate: -2

The crash can be reproduced every time.

-- Backtrace:
Application: Kontact (kontact), signal: Aborted
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe501cec900 (LWP 2968))]

Thread 36 (Thread 0x7fe351c1e700 (LWP 3124)):
#0  0x00007fe4fa5344b8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe4f1726ac2 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe4f1736088 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe4f17365bd in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 35 (Thread 0x7fe352e4e700 (LWP 3123)):
#0  0x00007fe4fa5344b8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe4f1726ac2 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe4f1736088 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe4f17365bd in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 34 (Thread 0x7fe371ff9700 (LWP 3043)):
#0  0x00007fe4fa53410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe3dd9fd7c3 in  () at /usr/lib/libQt5WebKit.so.5
#2  0x00007fe3ddd35a51 in  () at /usr/lib/libQt5WebKit.so.5
#3  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 33 (Thread 0x7fe3727fa700 (LWP 3042)):
#0  0x00007fe4fa53410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe3dd9fd7c3 in  () at /usr/lib/libQt5WebKit.so.5
#2  0x00007fe3ddd35a51 in  () at /usr/lib/libQt5WebKit.so.5
#3  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 32 (Thread 0x7fe372ffb700 (LWP 3041)):
#0  0x00007fe4fa53410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe3dd9fd7c3 in  () at /usr/lib/libQt5WebKit.so.5
#2  0x00007fe3ddd35a51 in  () at /usr/lib/libQt5WebKit.so.5
#3  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 31 (Thread 0x7fe3737fc700 (LWP 3040)):
#0  0x00007fe4fa53410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe3dd9fd7c3 in  () at /usr/lib/libQt5WebKit.so.5
#2  0x00007fe3ddd35a51 in  () at /usr/lib/libQt5WebKit.so.5
#3  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 30 (Thread 0x7fe373ffd700 (LWP 3039)):
#0  0x00007fe4fa53410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe3dd9fd7c3 in  () at /usr/lib/libQt5WebKit.so.5
#2  0x00007fe3ddd35a51 in  () at /usr/lib/libQt5WebKit.so.5
#3  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 29 (Thread 0x7fe3bcee6700 (LWP 3038)):
#0  0x00007fe4fa53410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe3dd9fc671 in  () at /usr/lib/libQt5WebKit.so.5
#2  0x00007fe3ddd35a51 in  () at /usr/lib/libQt5WebKit.so.5
#3  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 28 (Thread 0x7fe3bdd0e700 (LWP 3037)):
#0  0x00007fe4fa53410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe3ddd048ab in  () at /usr/lib/libQt5WebKit.so.5
#2  0x00007fe3ddd048e9 in  () at /usr/lib/libQt5WebKit.so.5
#3  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 27 (Thread 0x7fe3bfdf6700 (LWP 3035)):
#0  0x00007fe4f8566db9 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fe4f8520670 in g_main_context_acquire () at /usr/lib/libglib-2.0.so.0
#2  0x00007fe4f8521635 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fe4f852189c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007fe4ff2a32db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fe4ff24cd3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fe4ff06f063 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fe4ff073cf8 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 26 (Thread 0x7fe3c4a2b700 (LWP 3024)):
#0  0x00007fe4fa53410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe4f1732639 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe4f1732c39 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe4f1732df0 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 25 (Thread 0x7fe3c522c700 (LWP 3023)):
#0  0x00007fe4fa53410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe4f1732639 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe4f1732c39 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe4f1732df0 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 24 (Thread 0x7fe3d3fff700 (LWP 3001)):
#0  0x00007fe4f84f1780 in pthread_getspecific@plt () at /usr/lib/libglib-2.0.so.0
#1  0x00007fe4f85495d0 in g_thread_self () at /usr/lib/libglib-2.0.so.0
#2  0x00007fe4f852065c in g_main_context_acquire () at /usr/lib/libglib-2.0.so.0
#3  0x00007fe4f8521635 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fe4f852189c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007fe4ff2a32db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fe4ff24cd3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007fe4ff06f063 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fe4ff073cf8 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 23 (Thread 0x7fe3d8fae700 (LWP 2999)):
#0  0x00007fe4ff06b219 in QMutex::unlock() () at /usr/lib/libQt5Core.so.5
#1  0x00007fe4ff2a2a61 in  () at /usr/lib/libQt5Core.so.5
#2  0x00007fe4f8520c89 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#3  0x00007fe4f85216ab in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fe4f852189c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007fe4ff2a32db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fe4ff24cd3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007fe4ff06f063 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fe4ff073cf8 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 22 (Thread 0x7fe3d9e46700 (LWP 2998)):
#0  0x00007fe4f8566db9 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fe4f8520ed1 in g_main_context_query () at /usr/lib/libglib-2.0.so.0
#2  0x00007fe4f85216f8 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fe4f852189c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007fe4ff2a32db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fe4ff24cd3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fe4ff06f063 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fe4ff073cf8 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7fe473ffe700 (LWP 2995)):
#0  0x00007fe4fa53410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe4e8db81f4 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007fe4e8db8239 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7fe494ff9700 (LWP 2991)):
#0  0x00007fe4fa53410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe4f1732639 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe4f1732c39 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe4f1732df0 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7fe4957fa700 (LWP 2990)):
#0  0x00007fe4fe76648d in poll () at /usr/lib/libc.so.6
#1  0x00007fe4d2cab121 in  () at /usr/lib/libpulse.so.0
#2  0x00007fe4d2c9c8f1 in pa_mainloop_poll () at /usr/lib/libpulse.so.0
#3  0x00007fe4d2c9cf8e in pa_mainloop_iterate () at /usr/lib/libpulse.so.0
#4  0x00007fe4d2c9d040 in pa_mainloop_run () at /usr/lib/libpulse.so.0
#5  0x00007fe4d2cab069 in  () at /usr/lib/libpulse.so.0
#6  0x00007fe4d283ced8 in  () at /usr/lib/pulseaudio/libpulsecommon-9.0.so
#7  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7fe495ffb700 (LWP 2989)):
#0  0x00007ffc84df9977 in  ()
#1  0x00007ffc84df9e14 in gettimeofday ()
#2  0x00007fe4e6e0ca25 in  () at /usr/lib/libevent-2.0.so.5
#3  0x00007fe4e6e0f354 in event_base_loop () at /usr/lib/libevent-2.0.so.5
#4  0x00007fe4f16dddde in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe4f171a604 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fe4f1704595 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fe4f173341a in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7fe4967fc700 (LWP 2988)):
[KCrash Handler]
#6  0x00007fe4fe6ba04f in raise () at /usr/lib/libc.so.6
#7  0x00007fe4fe6bb47a in abort () at /usr/lib/libc.so.6
#8  0x00007fe4fe6f7c50 in __libc_message () at /usr/lib/libc.so.6
#9  0x00007fe4fe6fdfe6 in malloc_printerr () at /usr/lib/libc.so.6
#10 0x00007fe4fe6fe7de in _int_free () at /usr/lib/libc.so.6
#11 0x00007fe4fe700f58 in _int_realloc () at /usr/lib/libc.so.6
#12 0x00007fe4fe7024f9 in realloc () at /usr/lib/libc.so.6
#13 0x00007fe4d0d2b6d3 in  () at /usr/lib/libdrm_nouveau.so.2
#14 0x00007fe4d0d2bad9 in  () at /usr/lib/libdrm_nouveau.so.2
#15 0x00007fe4d146ca2c in  () at /usr/lib/xorg/modules/dri/nouveau_dri.so
#16 0x00007fe4d146da92 in  () at /usr/lib/xorg/modules/dri/nouveau_dri.so
#17 0x00007fe4d1113f35 in  () at /usr/lib/xorg/modules/dri/nouveau_dri.so
#18 0x00007fe4d109985b in  () at /usr/lib/xorg/modules/dri/nouveau_dri.so
#19 0x00007fe4d1099ac6 in  () at /usr/lib/xorg/modules/dri/nouveau_dri.so
#20 0x00007fe4d1099ee8 in  () at /usr/lib/xorg/modules/dri/nouveau_dri.so
#21 0x00007fe4f1d61de3 in  () at /usr/lib/libQt5WebEngineCore.so.5
#22 0x00007fe4f1cf0124 in  () at /usr/lib/libQt5WebEngineCore.so.5
#23 0x00007fe4f1d1bbd2 in  () at /usr/lib/libQt5WebEngineCore.so.5
#24 0x00007fe4f1d6c4da in  () at /usr/lib/libQt5WebEngineCore.so.5
#25 0x00007fe4f1d3021a in  () at /usr/lib/libQt5WebEngineCore.so.5
#26 0x00007fe4f10ac6b1 in  () at /usr/lib/libQt5WebEngineCore.so.5
#27 0x00007fe4f10aff91 in  () at /usr/lib/libQt5WebEngineCore.so.5
#28 0x00007fe4f10ab30e in  () at /usr/lib/libQt5WebEngineCore.so.5
#29 0x00007fe4f175be39 in  () at /usr/lib/libQt5WebEngineCore.so.5
#30 0x00007fe4f1705208 in  () at /usr/lib/libQt5WebEngineCore.so.5
#31 0x00007fe4f1705e79 in  () at /usr/lib/libQt5WebEngineCore.so.5
#32 0x00007fe4f1706342 in  () at /usr/lib/libQt5WebEngineCore.so.5
#33 0x00007fe4f1708369 in  () at /usr/lib/libQt5WebEngineCore.so.5
#34 0x00007fe4f171a604 in  () at /usr/lib/libQt5WebEngineCore.so.5
#35 0x00007fe4f1704595 in  () at /usr/lib/libQt5WebEngineCore.so.5
#36 0x00007fe4f173341a in  () at /usr/lib/libQt5WebEngineCore.so.5
#37 0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#38 0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#39 0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7fe496ffd700 (LWP 2987)):
#0  0x00007fe4fa53410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe4f12d4bb0 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe4f12bccb0 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe4f12bd04b in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe4f12b88da in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe4f24a64ee in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fe4f24a8984 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fe4f24a89d5 in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fe4f24a8ab9 in  () at /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007fe4f171a604 in  () at /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007fe4f1704595 in  () at /usr/lib/libQt5WebEngineCore.so.5
#11 0x00007fe4f173341a in  () at /usr/lib/libQt5WebEngineCore.so.5
#12 0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#13 0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#14 0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7fe4977fe700 (LWP 2986)):
#0  0x00007fe4fa5344b8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe4f1726ac2 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe4f1727375 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe4f1708401 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe4f171a604 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe4f1704595 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fe4f173341a in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7fe497fff700 (LWP 2985)):
#0  0x00007fe4fa53410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe4f0db388d in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe4f1732cce in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe4f1732df0 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7fe4acff9700 (LWP 2984)):
#0  0x00007fe4fa53410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe4f17272e5 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe4f17273b5 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe4f17083b3 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe4f171a604 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe4f1704595 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fe4f173341a in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7fe4ad7fa700 (LWP 2983)):
#0  0x00007fe4fe77bfdb in __lll_lock_wait_private () at /usr/lib/libc.so.6
#1  0x00007fe4fe6feba0 in _int_free () at /usr/lib/libc.so.6
#2  0x00007fe4f1705a16 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe4f170638a in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe4f16dde12 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe4f171a604 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fe4f1704595 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fe4f09badf8 in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fe4f09baf3b in  () at /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007fe4f1733498 in  () at /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#11 0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7fe4adffb700 (LWP 2982)):
#0  0x00007fe4fe77bfdb in __lll_lock_wait_private () at /usr/lib/libc.so.6
#1  0x00007fe4fe6feba0 in _int_free () at /usr/lib/libc.so.6
#2  0x00007fe4f1705a16 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe4f170638a in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe4f16dde12 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe4f171a604 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fe4f1704595 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fe4f09bad48 in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fe4f09baf9b in  () at /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007fe4f1733498 in  () at /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#11 0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7fe4ae7fc700 (LWP 2981)):
#0  0x00007fe4fa53410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe4f17272e5 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe4f17273b5 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe4f17083b3 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe4f171a604 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe4f1704595 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fe4f09bac98 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fe4f09baf8b in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fe4f1733498 in  () at /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7fe4aeffd700 (LWP 2980)):
#0  0x00007fe4fa53410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe4f17272e5 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe4f17273b5 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe4f17083b3 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe4f171a604 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe4f1704595 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fe4f09babe8 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fe4f09baf7b in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fe4f1733498 in  () at /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fe4af7fe700 (LWP 2979)):
#0  0x00007fe4fe76fdd3 in epoll_wait () at /usr/lib/libc.so.6
#1  0x00007fe4e6e251d8 in  () at /usr/lib/libevent-2.0.so.5
#2  0x00007fe4e6e0f36d in event_base_loop () at /usr/lib/libevent-2.0.so.5
#3  0x00007fe4f16dde8a in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe4f171a604 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe4f1704595 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fe4f09bab38 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fe4f09baf6b in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fe4f1733498 in  () at /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fe4affff700 (LWP 2978)):
#0  0x00007fe4fa53410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe4f17272e5 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe4f17273b5 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe4f17083b3 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe4f171a604 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe4f1704595 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fe4f09baa88 in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fe4f09baf5b in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fe4f1733498 in  () at /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fe4c4f6c700 (LWP 2977)):
#0  0x00007fe4fa5344b8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe4f1726ac2 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe4f1736088 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe4f17365bd in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fe4c576d700 (LWP 2976)):
#0  0x00007fe4fa5344b8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe4f1726ac2 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe4f1736088 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe4f17365bd in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fe4c5f6e700 (LWP 2975)):
#0  0x00007fe4fa53410f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe4f17272e5 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007fe4f17273b5 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007fe4f17083b3 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007fe4f171a604 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007fe4f1704595 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007fe4f173341a in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fe4c697d700 (LWP 2974)):
#0  0x00007fe4fe77bfdb in __lll_lock_wait_private () at /usr/lib/libc.so.6
#1  0x00007fe4fe77da94 in __fprintf_chk () at /usr/lib/libc.so.6
#2  0x00007fe4e6e209ee in  () at /usr/lib/libevent-2.0.so.5
#3  0x00007fe4e6e20be4 in event_warn () at /usr/lib/libevent-2.0.so.5
#4  0x00007fe4e6e252f8 in  () at /usr/lib/libevent-2.0.so.5
#5  0x00007fe4e6e0f36d in event_base_loop () at /usr/lib/libevent-2.0.so.5
#6  0x00007fe4f16dddde in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007fe4f171a604 in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007fe4f1704595 in  () at /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007fe4f173341a in  () at /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007fe4f172f78c in  () at /usr/lib/libQt5WebEngineCore.so.5
#11 0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fe4ccc66700 (LWP 2971)):
#0  0x00007fe4f8566dd2 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fe4f8521171 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0x00007fe4f8521724 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fe4f852189c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007fe4ff2a32db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fe4ff24cd3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fe4ff06f063 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fe4fd91cde5 in  () at /usr/lib/libQt5DBus.so.5
#8  0x00007fe4ff073cf8 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fe4fa52e454 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fe4fe76f7df in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fe501cec900 (LWP 2968)):
#0  0x00007fe4fa536f1c in __lll_lock_wait () at /usr/lib/libpthread.so.0
#1  0x00007fe4fa530bb6 in pthread_mutex_lock () at /usr/lib/libpthread.so.0
#2  0x00007fe4d10a0313 in  () at /usr/lib/xorg/modules/dri/nouveau_dri.so
#3  0x00007fe4d1083639 in  () at /usr/lib/xorg/modules/dri/nouveau_dri.so
#4  0x00007fe4d0fb8bf0 in  () at /usr/lib/xorg/modules/dri/nouveau_dri.so
#5  0x00007fe4ffa55a1c in QPlatformBackingStore::composeAndFlush(QWindow*, QRegion const&, QPoint const&, QPlatformTextureList*, QOpenGLContext*, bool) () at /usr/lib/libQt5Gui.so.5
#6  0x00007fe4dabb1747 in  () at /usr/lib/libQt5XcbQpa.so.5
#7  0x00007fe4fff3720d in  () at /usr/lib/libQt5Widgets.so.5
#8  0x00007fe4fff3883e in  () at /usr/lib/libQt5Widgets.so.5
#9  0x00007fe4fff3a724 in  () at /usr/lib/libQt5Widgets.so.5
#10 0x00007fe4fff3a8c7 in  () at /usr/lib/libQt5Widgets.so.5
#11 0x00007fe4fff5973f in QWidgetPrivate::syncBackingStore() () at /usr/lib/libQt5Widgets.so.5
#12 0x00007fe4fff71a88 in QWidget::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#13 0x00007fe500070d4b in QMainWindow::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#14 0x00007fe5010d200a in KMainWindow::event(QEvent*) () at /usr/lib/libKF5XmlGui.so.5
#15 0x00007fe501123a85 in KXmlGuiWindow::event(QEvent*) () at /usr/lib/libKF5XmlGui.so.5
#16 0x00007fe4fff2a35c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#17 0x00007fe4fff31ad1 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#18 0x00007fe4ff24e8e0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#19 0x00007fe4ff25106d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#20 0x00007fe4ff2a2eb3 in  () at /usr/lib/libQt5Core.so.5
#21 0x00007fe4f8521587 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#22 0x00007fe4f85217f0 in  () at /usr/lib/libglib-2.0.so.0
#23 0x00007fe4f852189c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#24 0x00007fe4ff2a32bf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#25 0x00007fe4ff24cd3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#26 0x00007fe4ff25523c in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#27 0x000000000040433f in  ()
#28 0x00007fe4fe6a7291 in __libc_start_main () at /usr/lib/libc.so.6
#29 0x000000000040485a in _start ()

Possible duplicates by query: bug 313782.

Reported using DrKonqi
Comment 1 Christoph Feck 2017-01-10 00:37:42 UTC 
Crash is in the nouveau video drivers. Please report this issue directly to nouveau developers via https://bugs.freedesktop.org/