[kontact] [Bug 411687] New: Kontact crashes when I click somewhere

Andreas Hencke bugzilla_noreply at kde.org
Sat Sep 7 21:10:29 BST 2019


https://bugs.kde.org/show_bug.cgi?id=411687

            Bug ID: 411687
           Summary: Kontact crashes when I click somewhere
           Product: kontact
           Version: 5.11.3
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: andreas.hencke at mailbox.org
  Target Milestone: ---

Application: kontact (5.11.3)

Qt Version: 5.12.4
Frameworks Version: 5.61.0
Operating System: Linux 5.2.0-15-generic x86_64
Distribution: Ubuntu Eoan Ermine (development branch)

-- Information about the crash:
- What I was doing when the application crashed:
I was using Kmail within Kontact and I clicked at an inbox icon to view an
other inbox when Kontact crashed. The same happens if I use Akregator or an
other part of Kontact.


SOFTWARE/OS VERSIONS

Linux:          Kubuntu 19.10

KDE Plasma Version:     5.16.5
KDE Frameworks Version: 5.61.0
Qt Version:             5.12.4

The crash can be reproduced sometimes.

-- Backtrace:
Application: Kontact (kontact), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f345c846f00 (LWP 25567))]

Thread 24 (Thread 0x7f3436ffd700 (LWP 25704)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f3436ffc470, clockid=<optimized out>, expected=0,
futex_word=0x7f3436ffc5b8) at ../sysdeps/unix/sysv/linux/futex-internal.h:208
#1  __pthread_cond_wait_common (abstime=0x7f3436ffc470, clockid=<optimized
out>, mutex=0x7f3436ffc568, cond=0x7f3436ffc590) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f3436ffc590, mutex=0x7f3436ffc568,
abstime=0x7f3436ffc470) at pthread_cond_wait.c:656
#3  0x00007f34686df10b in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f34686dfab2 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f34686dfba6 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f34686a1705 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f34686a3f96 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f34686a4258 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f34686e1c75 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#11 0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f333d776700 (LWP 25656)):
#0  0x00007f346fb5ebff in __GI___poll (fds=0x7f33300029e0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f346e1cda4e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f346e1cdb83 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3470121573 in QEventDispatcherGlib::processEvents
(this=0x7f3330000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f34700c856b in QEventLoop::exec (this=this at entry=0x7f333d7756a0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007f346ff01a35 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007f346ff02c82 in QThreadPrivate::start (arg=0x55aecad46990) at
thread/qthread_unix.cpp:361
#7  0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#8  0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f33525d4700 (LWP 25615)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f346ff05071 in QtLinuxFutex::_q_futex (val3=0, addr2=0x0, val2=0,
val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >
(expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  futexSemaphoreTryAcquire_loop<false> (timeout=-1, nn=8589934593,
curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:219
#4  futexSemaphoreTryAcquire<false> (timeout=-1, n=<optimized out>, u=...) at
thread/qsemaphore.cpp:262
#5  QSemaphore::acquire (this=0x55aebec51f28, n=<optimized out>) at
thread/qsemaphore.cpp:326
#6  0x00007f3352be5fec in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/texttospeech/libqttexttospeech_flite.so
#7  0x00007f346ff02c82 in QThreadPrivate::start (arg=0x55aebec51ef0) at
thread/qthread_unix.cpp:361
#8  0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#9  0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f335345a700 (LWP 25613)):
#0  0x00007f346fb5ebff in __GI___poll (fds=0x7f33480025e0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f346e1cda4e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f346e1cdb83 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3470121573 in QEventDispatcherGlib::processEvents
(this=0x7f3348000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f34700c856b in QEventLoop::exec (this=this at entry=0x7f33534596a0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007f346ff01a35 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007f346ff02c82 in QThreadPrivate::start (arg=0x55aebec07450) at
thread/qthread_unix.cpp:361
#7  0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#8  0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f3364b30700 (LWP 25610)):
#0  0x00007f346fb5ebff in __GI___poll (fds=0x7f334c0279a0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f346e1cda4e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f346e1cdb83 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3470121573 in QEventDispatcherGlib::processEvents
(this=0x7f334c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f34700c856b in QEventLoop::exec (this=this at entry=0x7f3364b2f6a0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007f346ff01a35 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007f346ff02c82 in QThreadPrivate::start (arg=0x55aebea520e0) at
thread/qthread_unix.cpp:361
#7  0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#8  0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f3365331700 (LWP 25609)):
#0  0x00007f346e1cce30 in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f346e1cd97b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f346e1cdb83 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3470121573 in QEventDispatcherGlib::processEvents
(this=0x7f3358000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f34700c856b in QEventLoop::exec (this=this at entry=0x7f33653306a0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007f346ff01a35 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007f346ff02c82 in QThreadPrivate::start (arg=0x55aebea480e0) at
thread/qthread_unix.cpp:361
#7  0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#8  0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f3365be0700 (LWP 25608)):
#0  0x00007f346fb5ebff in __GI___poll (fds=0x7f33540025e0, nfds=1,
timeout=10199) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f346e1cda4e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f346e1cdb83 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3470121573 in QEventDispatcherGlib::processEvents
(this=0x7f3354000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f34700c856b in QEventLoop::exec (this=this at entry=0x7f3365bdf6a0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007f346ff01a35 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007f346ff02c82 in QThreadPrivate::start (arg=0x55aebea7cb50) at
thread/qthread_unix.cpp:361
#7  0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#8  0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f3367fff700 (LWP 25594)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f3367ffe5c8) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f3367ffe578,
cond=0x7f3367ffe5a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f3367ffe5a0, mutex=0x7f3367ffe578) at
pthread_cond_wait.c:638
#3  0x00007f34686df03d in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f34686dfac0 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f34686dfb63 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f34686a1718 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f34686a3f96 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f34686a4318 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f34686e1c75 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#11 0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f3410de2700 (LWP 25593)):
#0  __lll_lock_wait_private (futex=0x7f346fc364b0 <_IO_stdfile_2_lock>) at
./lowlevellock.c:35
#1  0x00007f346fac6146 in buffered_vfprintf (s=s at entry=0x7f346fc345c0
<_IO_2_1_stderr_>, format=format at entry=0x7f3463be56a8 "[%s] %s\n",
args=args at entry=0x7f3410de0ee0, mode_flags=mode_flags at entry=2) at
vfprintf-internal.c:2381
#2  0x00007f346fac2df4 in __vfprintf_internal (s=0x7f346fc345c0
<_IO_2_1_stderr_>, format=0x7f3463be56a8 "[%s] %s\n",
ap=ap at entry=0x7f3410de0ee0, mode_flags=2) at vfprintf-internal.c:1346
#3  0x00007f346fb7a433 in ___fprintf_chk (fp=<optimized out>, flag=<optimized
out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007f3463bcd9ad in event_logv_ () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f3463bcdb44 in event_warn () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f3463bcf46c in ?? () from /lib/x86_64-linux-gnu/libevent-2.1.so.6
#7  0x00007f3463bc5114 in event_base_loop () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f34686e5564 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f346867ef0b in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f34686b0d9b in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f34686e1c75 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#13 0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f3411ffb700 (LWP 25591)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f346432afb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f346432af68,
cond=0x7f346432af90) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f346432af90, mutex=0x7f346432af68) at
pthread_cond_wait.c:638
#3  0x00007f346423408a in ?? () from /lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f34642340af in ?? () from /lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#6  0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f34127fc700 (LWP 25590)):
#0  __GI___libc_read (nbytes=10, buf=0x7f34127fb4de, fd=49) at
../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=49, buf=0x7f34127fb4de, nbytes=10) at
../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f3450371955 in pa_read () from
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-12.99.so
#3  0x00007f34503f3406 in pa_mainloop_prepare () from
/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f34503f3ea4 in pa_mainloop_iterate () from
/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f34503f3f60 in pa_mainloop_run () from
/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f345040210d in ?? () from /lib/x86_64-linux-gnu/libpulse.so.0
#7  0x00007f34503a036c in ?? () from
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-12.99.so
#8  0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#9  0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f3412ffd700 (LWP 25589)):
#0  __lll_lock_wait_private (futex=0x7f346fc364b0 <_IO_stdfile_2_lock>) at
./lowlevellock.c:35
#1  0x00007f346fac6146 in buffered_vfprintf (s=s at entry=0x7f346fc345c0
<_IO_2_1_stderr_>, format=format at entry=0x7f3463be56a8 "[%s] %s\n",
args=args at entry=0x7f3412ffbee0, mode_flags=mode_flags at entry=2) at
vfprintf-internal.c:2381
#2  0x00007f346fac2df4 in __vfprintf_internal (s=0x7f346fc345c0
<_IO_2_1_stderr_>, format=0x7f3463be56a8 "[%s] %s\n",
ap=ap at entry=0x7f3412ffbee0, mode_flags=2) at vfprintf-internal.c:1346
#3  0x00007f346fb7a433 in ___fprintf_chk (fp=<optimized out>, flag=<optimized
out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007f3463bcd9ad in event_logv_ () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f3463bcdb44 in event_warn () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f3463bcf46c in ?? () from /lib/x86_64-linux-gnu/libevent-2.1.so.6
#7  0x00007f3463bc5114 in event_base_loop () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f34686e547d in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f346867ef0b in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f34686b0d9b in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f34686e1c75 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#13 0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f34137fe700 (LWP 25588)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f34137fd470, clockid=<optimized out>, expected=0,
futex_word=0x7f34137fd5b8) at ../sysdeps/unix/sysv/linux/futex-internal.h:208
#1  __pthread_cond_wait_common (abstime=0x7f34137fd470, clockid=<optimized
out>, mutex=0x7f34137fd568, cond=0x7f34137fd590) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f34137fd590, mutex=0x7f34137fd568,
abstime=0x7f34137fd470) at pthread_cond_wait.c:656
#3  0x00007f34686df10b in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f34686dfab2 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f346865cce8 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f346867ef0b in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f34686b0d9b in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f34686e1c75 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#10 0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f3413fff700 (LWP 25587)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f3413ffe470, clockid=<optimized out>, expected=0,
futex_word=0x7f3413ffe5b8) at ../sysdeps/unix/sysv/linux/futex-internal.h:208
#1  __pthread_cond_wait_common (abstime=0x7f3413ffe470, clockid=<optimized
out>, mutex=0x7f3413ffe568, cond=0x7f3413ffe590) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f3413ffe590, mutex=0x7f3413ffe568,
abstime=0x7f3413ffe470) at pthread_cond_wait.c:656
#3  0x00007f34686df10b in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f34686dfab2 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f346865cce8 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f346867ef0b in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f34686b0d9b in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f34686e1c75 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#10 0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f3434ff9700 (LWP 25586)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55aebe811778) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55aebe8116b8,
cond=0x55aebe811750) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55aebe811750, mutex=0x55aebe8116b8) at
pthread_cond_wait.c:638
#3  0x00007f34686df03d in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f3468fb5598 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f34686b2243 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f34686e1c75 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#8  0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f34357fa700 (LWP 25585)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f34357f95c8) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f34357f9578,
cond=0x7f34357f95a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f34357f95a0, mutex=0x7f34357f9578) at
pthread_cond_wait.c:638
#3  0x00007f34686df03d in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f34686dfac0 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f34686dfb63 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f34686a1718 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f34686a3f96 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f34686a42b8 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f34686e1c75 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#11 0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f3435ffb700 (LWP 25584)):
#0  __lll_lock_wait_private (futex=0x7f346fc364b0 <_IO_stdfile_2_lock>) at
./lowlevellock.c:35
#1  0x00007f346fac6146 in buffered_vfprintf (s=s at entry=0x7f346fc345c0
<_IO_2_1_stderr_>, format=format at entry=0x7f3463be56a8 "[%s] %s\n",
args=args at entry=0x7f3435ff9ec0, mode_flags=mode_flags at entry=2) at
vfprintf-internal.c:2381
#2  0x00007f346fac2df4 in __vfprintf_internal (s=0x7f346fc345c0
<_IO_2_1_stderr_>, format=0x7f3463be56a8 "[%s] %s\n",
ap=ap at entry=0x7f3435ff9ec0, mode_flags=2) at vfprintf-internal.c:1346
#3  0x00007f346fb7a433 in ___fprintf_chk (fp=<optimized out>, flag=<optimized
out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007f3463bcd9ad in event_logv_ () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f3463bcdb44 in event_warn () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f3463bcf46c in ?? () from /lib/x86_64-linux-gnu/libevent-2.1.so.6
#7  0x00007f3463bc5114 in event_base_loop () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f34686e5564 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f346867ef0b in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f346802ec18 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f34686b0d9b in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f34686e1c75 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#14 0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f3437fff700 (LWP 25580)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f3437ffe470, clockid=<optimized out>, expected=0,
futex_word=0x7f3437ffe5b8) at ../sysdeps/unix/sysv/linux/futex-internal.h:208
#1  __pthread_cond_wait_common (abstime=0x7f3437ffe470, clockid=<optimized
out>, mutex=0x7f3437ffe568, cond=0x7f3437ffe590) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f3437ffe590, mutex=0x7f3437ffe568,
abstime=0x7f3437ffe470) at pthread_cond_wait.c:656
#3  0x00007f34686df10b in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f34686dfab2 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f34686dfba6 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f34686a1705 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f34686a3f96 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f34686a4258 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f34686e1c75 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#11 0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f3448f68700 (LWP 25579)):
#0  __lll_lock_wait_private (futex=0x7f346fc364b0 <_IO_stdfile_2_lock>) at
./lowlevellock.c:35
#1  0x00007f346fac6146 in buffered_vfprintf (s=s at entry=0x7f346fc345c0
<_IO_2_1_stderr_>, format=format at entry=0x7f3463be56a8 "[%s] %s\n",
args=args at entry=0x7f3448f66ec0, mode_flags=mode_flags at entry=2) at
vfprintf-internal.c:2381
#2  0x00007f346fac2df4 in __vfprintf_internal (s=0x7f346fc345c0
<_IO_2_1_stderr_>, format=0x7f3463be56a8 "[%s] %s\n",
ap=ap at entry=0x7f3448f66ec0, mode_flags=2) at vfprintf-internal.c:1346
#3  0x00007f346fb7a433 in ___fprintf_chk (fp=<optimized out>, flag=<optimized
out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007f3463bcd9ad in event_logv_ () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f3463bcdb44 in event_warn () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f3463bcf46c in ?? () from /lib/x86_64-linux-gnu/libevent-2.1.so.6
#7  0x00007f3463bc5114 in event_base_loop () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f34686e5564 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f346867ef0b in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f34686a7e38 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f34686b0d9b in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f34686e1c75 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#14 0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f3449f6a700 (LWP 25577)):
#0  __GI___libc_write (nbytes=<optimized out>, buf=<optimized out>,
fd=<optimized out>) at ../sysdeps/unix/sysv/linux/write.c:26
#1  __GI___libc_write (fd=<optimized out>, buf=<optimized out>,
nbytes=<optimized out>) at ../sysdeps/unix/sysv/linux/write.c:24
#2  0x00007f346fadafed in _IO_new_file_write (f=0x7f346fc345c0
<_IO_2_1_stderr_>, data=0x7f3449f66920, n=47) at fileops.c:1180
#3  0x00007f346fadb908 in new_do_write (to_do=<optimized out>,
data=0x7f3449f66920 "[warn] epoll_wait: Ung\303\274ltiger Dateideskriptor\n",
fp=0x7f346fc345c0 <_IO_2_1_stderr_>) at libioP.h:948
#4  _IO_new_file_xsputn (n=47, data=<optimized out>, f=<optimized out>) at
fileops.c:1259
#5  _IO_new_file_xsputn (f=0x7f346fc345c0 <_IO_2_1_stderr_>, data=<optimized
out>, n=47) at fileops.c:1201
#6  0x00007f346fac6023 in buffered_vfprintf (s=s at entry=0x7f346fc345c0
<_IO_2_1_stderr_>, format=format at entry=0x7f3463be56a8 "[%s] %s\n",
args=args at entry=0x7f3449f68ee0, mode_flags=mode_flags at entry=2) at
../libio/libioP.h:948
#7  0x00007f346fac2df4 in __vfprintf_internal (s=0x7f346fc345c0
<_IO_2_1_stderr_>, format=0x7f3463be56a8 "[%s] %s\n",
ap=ap at entry=0x7f3449f68ee0, mode_flags=2) at vfprintf-internal.c:1346
#8  0x00007f346fb7a433 in ___fprintf_chk (fp=<optimized out>, flag=<optimized
out>, format=<optimized out>) at fprintf_chk.c:33
#9  0x00007f3463bcd9ad in event_logv_ () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007f3463bcdb44 in event_warn () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007f3463bcf46c in ?? () from /lib/x86_64-linux-gnu/libevent-2.1.so.6
#12 0x00007f3463bc5114 in event_base_loop () from
/lib/x86_64-linux-gnu/libevent-2.1.so.6
#13 0x00007f34686e5429 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f346867ef0b in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f34686b0d9b in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007f34686e1c75 in ?? () from
/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#18 0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f3458c64700 (LWP 25570)):
#0  0x00007f346fb5ebff in __GI___poll (fds=0x7f344403bb80, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f346e1cda4e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f346e1cdb83 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3470121573 in QEventDispatcherGlib::processEvents
(this=0x7f3444000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f34700c856b in QEventLoop::exec (this=this at entry=0x7f3458c63670,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007f346ff01a35 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007f346f530efa in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f346ff02c82 in QThreadPrivate::start (arg=0x7f346f5b3d80) at
thread/qthread_unix.cpp:361
#8  0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#9  0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f3459683700 (LWP 25569)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55aebe5a7948) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55aebe5a78f8,
cond=0x55aebe5a7920) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55aebe5a7920, mutex=0x55aebe5a78f8) at
pthread_cond_wait.c:638
#3  0x00007f345a08ecbb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#4  0x00007f345a08e8db in ?? () from
/usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#5  0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#6  0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f345bbd5700 (LWP 25568)):
#0  0x00007f346fb5ebff in __GI___poll (fds=0x7f345bbd45a8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f346eb57917 in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f346eb5953a in xcb_wait_for_event () from
/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f345c13f238 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f346ff02c82 in QThreadPrivate::start (arg=0x55aebe53f020) at
thread/qthread_unix.cpp:361
#5  0x00007f346eb21669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#6  0x00007f346fb6b2f3 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f345c846f00 (LWP 25567)):
[KCrash Handler]
#6  __GI_raise (sig=sig at entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#7  0x00007f346fa6e899 in __GI_abort () at abort.c:79
#8  0x00007f346fa6e769 in __assert_fail_base (fmt=0x7f345aa5843d "%s%s%s:%u:
%s%sZusicherung \302\273%s\302\253 nicht erf\303\274llt.\n%n",
assertion=0x7f3459848068 "kref", file=0x7f3459848052 "../nouveau/pushbuf.c",
line=723, function=<optimized out>) at assert.c:92
#9  0x00007f346fa80006 in __GI___assert_fail (assertion=0x7f3459848068 "kref",
file=0x7f3459848052 "../nouveau/pushbuf.c", line=723, function=0x7f34598481a0
"nouveau_pushbuf_data") at assert.c:101
#10 0x00007f345984546f in nouveau_pushbuf_data () from
/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#11 0x00007f34598453d3 in nouveau_pushbuf_data () from
/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#12 0x00007f34598454ff in ?? () from /lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#13 0x00007f345984594f in ?? () from /lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#14 0x00007f3459846540 in nouveau_pushbuf_kick () from
/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#15 0x00007f3459c740fd in ?? () from
/usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#16 0x00007f3459dc1183 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#17 0x00007f3459953640 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#18 0x00007f345ad16e27 in glPrimitiveBoundingBox () from
/lib/x86_64-linux-gnu/libGLX_mesa.so.0
#19 0x00007f345ad7bd6a in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so
#20 0x00007f34704ee7f1 in QOpenGLContext::swapBuffers(QSurface*) () from
/lib/x86_64-linux-gnu/libQt5Gui.so.5
#21 0x00007f34707bda57 in QPlatformBackingStore::composeAndFlush(QWindow*,
QRegion const&, QPoint const&, QPlatformTextureList*, bool) () from
/lib/x86_64-linux-gnu/libQt5Gui.so.5
#22 0x00007f345c133088 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#23 0x00007f3470aeab36 in QWidgetBackingStore::qt_flush
(widgetBackingStore=<optimized out>, widgetTextures=0x55aeca9ffe10,
tlw=<optimized out>, backingStore=<optimized out>, region=...,
widget=0x55aebea47950) at kernel/qwidgetbackingstore.cpp:154
#24 QWidgetBackingStore::qt_flush (widget=0x55aebea47950, region=...,
backingStore=<optimized out>, tlw=<optimized out>, widgetTextures=<optimized
out>, widgetBackingStore=<optimized out>) at kernel/qwidgetbackingstore.cpp:83
#25 0x00007f3470aec5ab in QWidgetBackingStore::flush
(this=this at entry=0x55aebead34d0, widget=widget at entry=0x0) at
kernel/qwidgetbackingstore.cpp:1468
#26 0x00007f3470aedb70 in QWidgetBackingStore::endPaint
(beginPaintInfo=<synthetic pointer>, backingStore=<optimized out>, cleaned=...,
this=0x55aebead34d0) at kernel/qwidgetbackingstore.cpp:363
#27 QWidgetBackingStore::doSync (this=<optimized out>) at
kernel/qwidgetbackingstore.cpp:1426
#28 0x00007f3470aedef1 in QWidgetBackingStore::sync (this=0x55aebead34d0) at
kernel/qwidgetbackingstore.cpp:1204
#29 0x00007f3470b05fa5 in QWidgetPrivate::syncBackingStore
(this=0x55aebe4fa2a0) at kernel/qwidget.cpp:1961
#30 0x00007f3470b1eaa8 in QWidget::event (this=this at entry=0x55aebe727ed0,
event=event at entry=0x55aecbcd8840) at kernel/qwidget.cpp:9264
#31 0x00007f3470c327f8 in QMainWindow::event (this=0x55aebe727ed0,
event=0x55aecbcd8840) at widgets/qmainwindow.cpp:1339
#32 0x00007f3471294b4b in KMainWindow::event(QEvent*) () from
/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#33 0x00007f34712e18bb in KXmlGuiWindow::event(QEvent*) () from
/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#34 0x00007f3470adba86 in QApplicationPrivate::notify_helper
(this=this at entry=0x55aebe4fbe80, receiver=receiver at entry=0x55aebe727ed0,
e=e at entry=0x55aecbcd8840) at kernel/qapplication.cpp:3737
#35 0x00007f3470ae4e00 in QApplication::notify (this=0x7ffda3feebb0,
receiver=0x55aebe727ed0, e=0x55aecbcd8840) at kernel/qapplication.cpp:3483
#36 0x00007f34700c99ca in QCoreApplication::notifyInternal2
(receiver=0x55aebe727ed0, event=0x55aecbcd8840) at
../../include/QtCore/../../src/corelib/kernel/qobject.h:142
#37 0x00007f34700cc648 in QCoreApplicationPrivate::sendPostedEvents
(receiver=0x0, event_type=0, data=0x55aebe51a400) at
kernel/qcoreapplication.cpp:1821
#38 0x00007f3470121f57 in postEventSourceDispatch (s=0x55aebe59fce0) at
kernel/qeventdispatcher_glib.cpp:276
#39 0x00007f346e1cd85d in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f346e1cdae0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007f346e1cdb83 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007f3470121555 in QEventDispatcherGlib::processEvents
(this=0x55aebe5b18d0, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#43 0x00007f34700c856b in QEventLoop::exec (this=this at entry=0x7ffda3feea80,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#44 0x00007f34700d02d6 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#45 0x000055aebe2a4cc3 in main (argc=<optimized out>, argv=<optimized out>) at
./src/main.cpp:229
[Inferior 1 (process 25567) detached]

The reporter indicates this bug may be a duplicate of or related to bug 411347.

Possible duplicates by query: bug 411347, bug 399250.

Reported using DrKonqi

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