Application: konqueror (5.0.97)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.18.0-21-generic x86_64
Distribution: Ubuntu 18.04.2 LTS

-- Information about the crash:
- What I was doing when the application crashed: On restart of system, this particular bug fron konqueror is reported.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Konqueror (konqueror), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f8d25ae4840 (LWP 1366))]

Thread 22 (Thread 0x7f8c95ffb700 (LWP 1490)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f8d25340474 in ___fprintf_chk (fp=0x7f8d255fb8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f8ceee3c6a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f8ceee249ad in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f8ceee24b44 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f8ceee2646c in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f8ceee1c114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f8cf0f2eb0d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8cf0f2ada8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8cf0f4777b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8cf0f5f4d6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8cf0f5b5eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f8d1aa786db in start_thread (arg=0x7f8c95ffb700) at pthread_create.c:463
#12 0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f8c967fc700 (LWP 1489)):
#0  0x00007f8d1aa7e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f8c967fba78) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f8c967fba28, cond=0x7f8c967fba50) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f8c967fba50, mutex=0x7f8c967fba28) at pthread_cond_wait.c:655
#3  0x00007f8cf0f53999 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8cf0f539c7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8cf0f2e4db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8cf0f2ada8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8cf0f4777b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8cf0f5f4d6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8cf0f5b5eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8d1aa786db in start_thread (arg=0x7f8c967fc700) at pthread_create.c:463
#11 0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f8c96ffd700 (LWP 1488)):
#0  0x00007f8d1aa7e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5602c76102d8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5602c7610288, cond=0x5602c76102b0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5602c76102b0, mutex=0x5602c7610288) at pthread_cond_wait.c:655
#3  0x00007f8cf0f5dc95 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8cf0f5e177 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8cf0f5ef11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8cf0f5b5eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8d1aa786db in start_thread (arg=0x7f8c96ffd700) at pthread_create.c:463
#8  0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f8c977fe700 (LWP 1487)):
#0  0x00007f8d1aa7e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5602c76102d8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5602c7610288, cond=0x5602c76102b0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5602c76102b0, mutex=0x5602c7610288) at pthread_cond_wait.c:655
#3  0x00007f8cf0f5dc95 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8cf0f5e177 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8cf0f5ef11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8cf0f5b5eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8d1aa786db in start_thread (arg=0x7f8c977fe700) at pthread_create.c:463
#8  0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f8c9bfff700 (LWP 1486)):
#0  0x00007f8d25322bf9 in __GI___poll (fds=0x7f8c90007030, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f8d144e4481 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007f8d144d5e40 in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f8d144d64d0 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f8d144d6560 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f8d144e43c9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f8d13942318 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007f8d1aa786db in start_thread (arg=0x7f8c9bfff700) at pthread_create.c:463
#8  0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f8cb8ff9700 (LWP 1485)):
#0  0x00007f8d1aa7eed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f8cb8ff8910, expected=0, futex_word=0x7f8cb8ff8a98) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f8cb8ff89b0, mutex=0x7f8cb8ff8a48, cond=0x7f8cb8ff8a70) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f8cb8ff8a70, mutex=0x7f8cb8ff8a48, abstime=0x7f8cb8ff89b0) at pthread_cond_wait.c:667
#3  0x00007f8cf0f8c652 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8cf0f5391e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8cf0f2e52b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8cf0f2ada8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8cf0f4777b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8cf0f5f4d6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8cf0f5b5eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8d1aa786db in start_thread (arg=0x7f8cb8ff9700) at pthread_create.c:463
#11 0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f8cb97fa700 (LWP 1484)):
#0  0x00007f8d1aa7e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5602c761f728) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5602c761f668, cond=0x5602c761f700) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5602c761f700, mutex=0x5602c761f668) at pthread_cond_wait.c:655
#3  0x00007f8cf16e5060 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8cf0f5ef11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8cf0f5b5eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8d1aa786db in start_thread (arg=0x7f8cb97fa700) at pthread_create.c:463
#7  0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f8cb9ffb700 (LWP 1483)):
#0  0x00007f8d1aa7e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f8cb9ffaa78) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f8cb9ffaa28, cond=0x7f8cb9ffaa50) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f8cb9ffaa50, mutex=0x7f8cb9ffaa28) at pthread_cond_wait.c:655
#3  0x00007f8cf0f53999 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8cf0f539c7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8cf0f2e4db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8cf0f2ada8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8cf0f4777b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8cf0f5f4d6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8cf0f5b5eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8d1aa786db in start_thread (arg=0x7f8cb9ffb700) at pthread_create.c:463
#11 0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f8cba7fc700 (LWP 1482)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f8d25340474 in ___fprintf_chk (fp=0x7f8d255fb8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f8ceee3c6a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f8ceee249ad in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f8ceee24b44 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f8ceee2646c in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f8ceee1c114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f8cf0f2eab9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8cf0f2ada8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8cf0f4777b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8cf07e5978 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8cf07e5f2b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f8cf0f5f588 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f8cf0f5b5eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f8d1aa786db in start_thread (arg=0x7f8cba7fc700) at pthread_create.c:463
#14 0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f8cbaffd700 (LWP 1481)):
#0  0x00007f8d1aa7e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f8cbaffc698) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f8cbaffc648, cond=0x7f8cbaffc670) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f8cbaffc670, mutex=0x7f8cbaffc648) at pthread_cond_wait.c:655
#3  0x00007f8cf0f53999 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8cf0f539c7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8cf0f2e4db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8cf0f2ada8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8cf0f4777b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8cf07e58c8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8cf07e5f1b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8cf0f5f588 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f8cf0f5b5eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f8d1aa786db in start_thread (arg=0x7f8cbaffd700) at pthread_create.c:463
#13 0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f8cbb7fe700 (LWP 1480)):
#0  0x00007f8d1aa7e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f8cbb7fd698) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f8cbb7fd648, cond=0x7f8cbb7fd670) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f8cbb7fd670, mutex=0x7f8cbb7fd648) at pthread_cond_wait.c:655
#3  0x00007f8cf0f53999 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8cf0f539c7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8cf0f2e4db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8cf0f2ada8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8cf0f4777b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8cf07e5818 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8cf07e5f0b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8cf0f5f588 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f8cf0f5b5eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f8d1aa786db in start_thread (arg=0x7f8cbb7fe700) at pthread_create.c:463
#13 0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f8cbbfff700 (LWP 1479)):
#0  0x00007f8d1aa7e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f8cbbffe698) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f8cbbffe648, cond=0x7f8cbbffe670) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f8cbbffe670, mutex=0x7f8cbbffe648) at pthread_cond_wait.c:655
#3  0x00007f8cf0f53999 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8cf0f539c7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8cf0f2e4db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8cf0f2ada8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8cf0f4777b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8cf07e5768 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8cf07e5efb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8cf0f5f588 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f8cf0f5b5eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f8d1aa786db in start_thread (arg=0x7f8cbbfff700) at pthread_create.c:463
#13 0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f8cd8ff9700 (LWP 1478)):
#0  0x00007f8d2531e187 in __GI___libc_write (fd=2, buf=0x7f8cd8ff5a20, nbytes=39) at ../sysdeps/unix/sysv/linux/write.c:27
#1  0x00007f8d252991bd in _IO_new_file_write (f=0x7f8d255fa680 <_IO_2_1_stderr_>, data=0x7f8cd8ff5a20, n=39) at fileops.c:1203
#2  0x00007f8d25299b2f in new_do_write (to_do=<optimized out>, data=0x7f8cd8ff5a20 "[warn] epoll_wait: Bad file descriptor\n", fp=0x7f8d255fa680 <_IO_2_1_stderr_>) at fileops.c:457
#3  _IO_new_file_xsputn (f=0x7f8d255fa680 <_IO_2_1_stderr_>, data=<optimized out>, n=39) at fileops.c:1277
#4  0x00007f8d2526c707 in buffered_vfprintf (s=s@entry=0x7f8d255fa680 <_IO_2_1_stderr_>, format=format@entry=0x7f8ceee3c6a8 "[%s] %s\n", args=args@entry=0x7f8cd8ff7fe0) at vfprintf.c:2350
#5  0x00007f8d25269726 in _IO_vfprintf_internal (s=s@entry=0x7f8d255fa680 <_IO_2_1_stderr_>, format=0x7f8ceee3c6a8 "[%s] %s\n", ap=ap@entry=0x7f8cd8ff7fe0) at vfprintf.c:1301
#6  0x00007f8d253404c6 in ___fprintf_chk (fp=0x7f8d255fa680 <_IO_2_1_stderr_>, flag=1, format=<optimized out>) at fprintf_chk.c:35
#7  0x00007f8ceee249ad in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f8ceee24b44 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007f8ceee2646c in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007f8ceee1c114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007f8cf0f2eab9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f8cf0f2ada8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f8cf0f4777b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f8cf07e56b8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f8cf07e5eeb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007f8cf0f5f588 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007f8cf0f5b5eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#18 0x00007f8d1aa786db in start_thread (arg=0x7f8cd8ff9700) at pthread_create.c:463
#19 0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f8cd97fa700 (LWP 1477)):
#0  0x00007f8d1aa7e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f8cd97f9698) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f8cd97f9648, cond=0x7f8cd97f9670) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f8cd97f9670, mutex=0x7f8cd97f9648) at pthread_cond_wait.c:655
#3  0x00007f8cf0f53999 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8cf0f539c7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8cf0f2e4db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8cf0f2ada8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8cf0f4777b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8cf07e5608 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8cf07e5edb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8cf0f5f588 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f8cf0f5b5eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f8d1aa786db in start_thread (arg=0x7f8cd97fa700) at pthread_create.c:463
#13 0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f8cd9ffb700 (LWP 1476)):
#0  0x00007f8d1aa7eed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f8cd9ffab20, expected=0, futex_word=0x7f8ccc004560) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f8cd9ffabc0, mutex=0x7f8ccc004510, cond=0x7f8ccc004538) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f8ccc004538, mutex=0x7f8ccc004510, abstime=0x7f8cd9ffabc0) at pthread_cond_wait.c:667
#3  0x00007f8cf0f8c652 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8cf0f62799 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8cf0f62cfb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8cf0f5b5eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8d1aa786db in start_thread (arg=0x7f8cd9ffb700) at pthread_create.c:463
#8  0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f8cda7fc700 (LWP 1475)):
#0  0x00007f8d1aa7eed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f8cda7fbb20, expected=0, futex_word=0x7f8ccc004564) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f8cda7fbbc0, mutex=0x7f8ccc004510, cond=0x7f8ccc004538) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f8ccc004538, mutex=0x7f8ccc004510, abstime=0x7f8cda7fbbc0) at pthread_cond_wait.c:667
#3  0x00007f8cf0f8c652 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8cf0f62799 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8cf0f62cfb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8cf0f5b5eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8d1aa786db in start_thread (arg=0x7f8cda7fc700) at pthread_create.c:463
#8  0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f8cdaffd700 (LWP 1474)):
#0  0x00007f8d1aa7e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f8cdaffca78) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f8cdaffca28, cond=0x7f8cdaffca50) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f8cdaffca50, mutex=0x7f8cdaffca28) at pthread_cond_wait.c:655
#3  0x00007f8cf0f53999 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8cf0f539c7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8cf0f2e4db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8cf0f2ada8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8cf0f4777b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8cf0f5f4d6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8cf0f5b5eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8d1aa786db in start_thread (arg=0x7f8cdaffd700) at pthread_create.c:463
#11 0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f8cdb7fe700 (LWP 1473)):
#0  0x00007f8d2532fbb7 in epoll_wait (epfd=24, events=0x7f8ccc0020f0, maxevents=32, timeout=-1) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#1  0x00007f8ceee262c5 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#2  0x00007f8ceee1c114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f8cf0f2eb0d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8cf0f2ada8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8cf0f4777b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8cf0f5f4d6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8cf0f5b5eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8d1aa786db in start_thread (arg=0x7f8cdb7fe700) at pthread_create.c:463
#9  0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f8cfffff700 (LWP 1373)):
#0  0x00007f8d2531e0b4 in __GI___libc_read (fd=8, buf=0x7f8cffffeb20, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f8d18b922d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8d18b4d0b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8d18b4d570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8d18b4d6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8d1fc0c90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8d1fbb19ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8d1f9d022a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8d216d6d45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f8d1f9d516d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f8d1aa786db in start_thread (arg=0x7f8cfffff700) at pthread_create.c:463
#11 0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f8d0634e700 (LWP 1372)):
#0  0x00007f8d1aa7e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5602c6fba328) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5602c6fba2d8, cond=0x5602c6fba300) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5602c6fba300, mutex=0x5602c6fba2d8) at pthread_cond_wait.c:655
#3  0x00007f8d074d3dcb in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f8d074d3af7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f8d1aa786db in start_thread (arg=0x7f8d0634e700) at pthread_create.c:463
#6  0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f8d0f39c700 (LWP 1371)):
#0  0x00007f8d25322bf9 in __GI___poll (fds=0x7f8d0f39bc68, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f8d1a3ef747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f8d1a3f136a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f8d11b1f2a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f8d1f9d516d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8d1aa786db in start_thread (arg=0x7f8d0f39c700) at pthread_create.c:463
#6  0x00007f8d2532f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f8d25ae4840 (LWP 1366)):
[KCrash Handler]
#6  0x00007f8d25654e78 in KonqView::url() const () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#7  0x00007f8d2568a687 in KonqMainWindow::isPreloaded() const () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#8  0x00007f8d256bfce9 in KonqSessionManager::saveCurrentSessionToFile(KConfig*, QList<KonqMainWindow*> const&) () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#9  0x00007f8d256bff95 in KonqSessionManager::autoSaveSession() () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#10 0x00007f8d1fbe25b5 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f8d1fbef027 in QTimer::timeout(QTimer::QPrivateSignal) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f8d1fbef388 in QTimer::timerEvent(QTimerEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f8d1fbe30db in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f8d20d8382c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f8d20d8b0f4 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f8d1fbb39a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f8d1fc0bd8e in QTimerInfoList::activateTimers() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f8d1fc0c551 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f8d18b4d417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f8d18b4d650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f8d18b4d6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f8d1fc0c8ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f8d203bafb8 in QGuiApplication::sync() () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#24 0x00007f8cf63a930d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#25 0x00007f8cf059c0b8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#26 0x00007f8cf05c861b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#27 0x00007f8cf05bff4b in QtWebEngineCore::WebContentsAdapter::load(QWebEngineHttpRequest const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#28 0x00007f8cf05c037e in QtWebEngineCore::WebContentsAdapter::load(QUrl const&) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#29 0x00007f8cf65e615b in ?? () from /usr/lib/x86_64-linux-gnu/libkwebenginepartlib.so
#30 0x00007f8cf65dc581 in WebEnginePart::openUrl(QUrl const&) () from /usr/lib/x86_64-linux-gnu/libkwebenginepartlib.so
#31 0x00007f8cf65e44fc in WebEngineBrowserExtension::restoreState(QDataStream&) () from /usr/lib/x86_64-linux-gnu/libkwebenginepartlib.so
#32 0x00007f8d2565d179 in KonqView::restoreHistory() () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#33 0x00007f8d2565da16 in KonqView::loadHistoryConfig(KConfigGroup const&, QString const&) () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#34 0x00007f8d2566204b in KonqViewManager::loadItem(KConfigGroup const&, KonqFrameContainerBase*, QString const&, QUrl const&, bool, QUrl const&, QString const&, bool, int) () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#35 0x00007f8d25662691 in KonqViewManager::loadItem(KConfigGroup const&, KonqFrameContainerBase*, QString const&, QUrl const&, bool, QUrl const&, QString const&, bool, int) () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#36 0x00007f8d25663080 in KonqViewManager::loadRootItem(KConfigGroup const&, KonqFrameContainerBase*, QUrl const&, bool, QUrl const&, QString const&, bool, int) () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#37 0x00007f8d256645e3 in KonqViewManager::loadViewConfigFromGroup(KConfigGroup const&, QString const&, QUrl const&, KonqOpenURLRequest const&, bool) () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#38 0x00007f8d2569be00 in KonqMainWindow::readProperties(KConfigGroup const&) () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#39 0x00007f8d23426b88 in KMainWindow::readPropertiesInternal(KConfig*, int) () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#40 0x00007f8d23426bd2 in KMainWindow::restore(int, bool) () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#41 0x00007f8d256d051c in kdemain () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#42 0x00007f8d2522fb97 in __libc_start_main (main=0x5602c51ca780, argc=3, argv=0x7fff419a8d48, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff419a8d38) at ../csu/libc-start.c:310
#43 0x00005602c51ca7ba in _start ()

Possible duplicates by query: bug 408356, bug 408203, bug 407924, bug 407511, bug 406126.

Reported using DrKonqi