Application: akregator (5.5.3)

Qt Version: 5.9.1
Frameworks Version: 5.38.0
Operating System: Linux 4.13.0-16-generic x86_64
Distribution: Ubuntu 17.10

-- Information about the crash:
- What I was doing when the application crashed: I had just logged in to the computer.  My system monitor was open as usual and Akregator was the first program I started.

-- Backtrace:
Application: Akregator (akregator), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9d54fc3b80 (LWP 2577))]

Thread 23 (Thread 0x7f9cbb68e700 (LWP 2709)):
#0  0x00007f9d4b186072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9d3e3ebfb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f9d3e3ebf68, cond=0x7f9d3e3ebf90) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f9d3e3ebf90, mutex=0x7f9d3e3ebf68) at pthread_cond_wait.c:655
#3  0x00007f9d3e0f7bd4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f9d3e0f7c19 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f9d4b17f7fc in start_thread (arg=0x7f9cbb68e700) at pthread_create.c:465
#6  0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f9cbc9fc700 (LWP 2614)):
#0  0x00007f9d4b186072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55c7a00b528c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55c7a00b5238, cond=0x55c7a00b5260) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55c7a00b5260, mutex=0x55c7a00b5238) at pthread_cond_wait.c:655
#3  0x00007f9d40ea4e75 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9d40ea5357 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9d40ea60f1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9d40ea27bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9d4b17f7fc in start_thread (arg=0x7f9cbc9fc700) at pthread_create.c:465
#8  0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f9cd57fa700 (LWP 2613)):
#0  0x00007f9d50e2d901 in __GI___poll (fds=0x7f9ce80049e0, nfds=1, timeout=8122) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9d4938a169 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9d4938a27c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9d5176d49b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9d51712e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9d515323ca in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9d5153729d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9d4b17f7fc in start_thread (arg=0x7f9cd57fa700) at pthread_create.c:465
#8  0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f9cd5ffb700 (LWP 2612)):
#0  0x00007f9d50e2d901 in __GI___poll (fds=0x7f9ce0008580, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9d3816b451 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007f9d3815ce10 in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f9d3815d4a0 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f9d3815d530 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f9d3816b399 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f9d2f5b5ed8 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-10.0.so
#7  0x00007f9d4b17f7fc in start_thread (arg=0x7f9cd5ffb700) at pthread_create.c:465
#8  0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f9cd67fc700 (LWP 2611)):
#0  0x00007f9d4b18664b in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f9cd67fb5e0, expected=0, futex_word=0x7f9cd67fb768) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f9cd67fb680, mutex=0x7f9cd67fb718, cond=0x7f9cd67fb740) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f9cd67fb740, mutex=0x7f9cd67fb718, abstime=0x7f9cd67fb680) at pthread_cond_wait.c:667
#3  0x00007f9d40ed38c2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9d40e9aade in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9d40e7554b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9d40e71dc8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9d40e8e9bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9d40ea66b6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9d40ea27bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f9d4b17f7fc in start_thread (arg=0x7f9cd67fc700) at pthread_create.c:465
#11 0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f9cd6ffd700 (LWP 2610)):
#0  0x00007f9d4b186072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55c7a0105a78) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55c7a01059b8, cond=0x55c7a0105a50) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55c7a0105a50, mutex=0x55c7a01059b8) at pthread_cond_wait.c:655
#3  0x00007f9d41625b80 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9d40ea60f1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9d40ea27bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9d4b17f7fc in start_thread (arg=0x7f9cd6ffd700) at pthread_create.c:465
#7  0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f9cd77fe700 (LWP 2609)):
#0  0x00007f9d4b186072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9cd77fd748) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f9cd77fd6f8, cond=0x7f9cd77fd720) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f9cd77fd720, mutex=0x7f9cd77fd6f8) at pthread_cond_wait.c:655
#3  0x00007f9d40e9ab59 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9d40e9ab87 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9d40e754fb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9d40e71dc8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9d40e8e9bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9d40ea66b6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9d40ea27bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f9d4b17f7fc in start_thread (arg=0x7f9cd77fe700) at pthread_create.c:465
#11 0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f9cd7fff700 (LWP 2608)):
#0  0x00007f9d4b186072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55c7a00b528c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55c7a00b5238, cond=0x55c7a00b5260) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55c7a00b5260, mutex=0x55c7a00b5238) at pthread_cond_wait.c:655
#3  0x00007f9d40ea4e75 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9d40ea5357 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9d40ea60f1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9d40ea27bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9d4b17f7fc in start_thread (arg=0x7f9cd7fff700) at pthread_create.c:465
#8  0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f9cf4ff9700 (LWP 2607)):
#0  0x00007f9d50e290a0 in __GI___libc_write (fd=2, buf=buf@entry=0x7f9cf4ff56d0, nbytes=nbytes@entry=39) at ../sysdeps/unix/sysv/linux/write.c:26
#1  0x00007f9d50da7ba7 in _IO_new_file_write (f=0x7f9d51100640 <_IO_2_1_stderr_>, data=0x7f9cf4ff56d0, n=39) at fileops.c:1255
#2  0x00007f9d50da84d8 in new_do_write (to_do=<optimized out>, data=0x7f9cf4ff56d0 "[warn] epoll_wait: Bad file descriptor\n", fp=0x7f9d51100640 <_IO_2_1_stderr_>) at fileops.c:510
#3  _IO_new_file_xsputn (f=0x7f9d51100640 <_IO_2_1_stderr_>, data=<optimized out>, n=39) at fileops.c:1334
#4  0x00007f9d50d7b848 in buffered_vfprintf (s=s@entry=0x7f9d51100640 <_IO_2_1_stderr_>, format=format@entry=0x7f9d357ae528 "[%s] %s\n", args=args@entry=0x7f9cf4ff7ca0) at vfprintf.c:2351
#5  0x00007f9d50d78aa6 in _IO_vfprintf_internal (s=s@entry=0x7f9d51100640 <_IO_2_1_stderr_>, format=0x7f9d357ae528 "[%s] %s\n", ap=ap@entry=0x7f9cf4ff7ca0) at vfprintf.c:1301
#6  0x00007f9d50e49f86 in ___fprintf_chk (fp=0x7f9d51100640 <_IO_2_1_stderr_>, flag=1, format=<optimized out>) at fprintf_chk.c:35
#7  0x00007f9d3579674a in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f9d35796924 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007f9d35798278 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007f9d3578e019 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007f9d40e75c33 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f9d40e71dc8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f9d40e8e9bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f9d4072bdc8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f9d4072c37b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007f9d40ea6768 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007f9d40ea27bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#18 0x00007f9d4b17f7fc in start_thread (arg=0x7f9cf4ff9700) at pthread_create.c:465
#19 0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f9cf57fa700 (LWP 2606)):
#0  0x00007f9d4b186072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9cf57f9368) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f9cf57f9318, cond=0x7f9cf57f9340) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f9cf57f9340, mutex=0x7f9cf57f9318) at pthread_cond_wait.c:655
#3  0x00007f9d40e9ab59 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9d40e9ab87 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9d40e754fb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9d40e71dc8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9d40e8e9bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9d4072bd18 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9d4072c36b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f9d40ea6768 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f9d40ea27bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f9d4b17f7fc in start_thread (arg=0x7f9cf57fa700) at pthread_create.c:465
#13 0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f9cf5ffb700 (LWP 2605)):
#0  0x00007f9d4b186072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9cf5ffa368) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f9cf5ffa318, cond=0x7f9cf5ffa340) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f9cf5ffa340, mutex=0x7f9cf5ffa318) at pthread_cond_wait.c:655
#3  0x00007f9d40e9ab59 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9d40e9ab87 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9d40e754fb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9d40e71dc8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9d40e8e9bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9d4072bc68 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9d4072c35b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f9d40ea6768 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f9d40ea27bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f9d4b17f7fc in start_thread (arg=0x7f9cf5ffb700) at pthread_create.c:465
#13 0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f9cf67fc700 (LWP 2604)):
#0  0x00007f9d4b186072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9cf67fb368) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f9cf67fb318, cond=0x7f9cf67fb340) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f9cf67fb340, mutex=0x7f9cf67fb318) at pthread_cond_wait.c:655
#3  0x00007f9d40e9ab59 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9d40e9ab87 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9d40e754fb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9d40e71dc8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9d40e8e9bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9d4072bbb8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9d4072c34b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f9d40ea6768 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f9d40ea27bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f9d4b17f7fc in start_thread (arg=0x7f9cf67fc700) at pthread_create.c:465
#13 0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f9cf6ffd700 (LWP 2603)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f9d50e49f34 in ___fprintf_chk (fp=0x7f9d51101870 <_IO_stdfile_2_lock>, flag=1, format=0x7f9d357ae528 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f9d3579674a in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f9d35796924 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f9d35798278 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f9d3578e019 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f9d40e75af9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9d40e71dc8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9d40e8e9bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9d4072bb08 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f9d4072c33b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f9d40ea6768 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f9d40ea27bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f9d4b17f7fc in start_thread (arg=0x7f9cf6ffd700) at pthread_create.c:465
#14 0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f9cf77fe700 (LWP 2602)):
#0  0x00007f9d4b186072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9cf77fd368) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f9cf77fd318, cond=0x7f9cf77fd340) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f9cf77fd340, mutex=0x7f9cf77fd318) at pthread_cond_wait.c:655
#3  0x00007f9d40e9ab59 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9d40e9ab87 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9d40e754fb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9d40e71dc8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9d40e8e9bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9d4072ba58 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9d4072c32b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f9d40ea6768 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f9d40ea27bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f9d4b17f7fc in start_thread (arg=0x7f9cf77fe700) at pthread_create.c:465
#13 0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f9cf7fff700 (LWP 2601)):
#0  0x00007f9d4b18664b in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f9cf7ffe7f0, expected=0, futex_word=0x7f9cfc004680) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f9cf7ffe890, mutex=0x7f9cfc004630, cond=0x7f9cfc004658) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f9cfc004658, mutex=0x7f9cfc004630, abstime=0x7f9cf7ffe890) at pthread_cond_wait.c:667
#3  0x00007f9d40ed38c2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9d40ea9979 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9d40ea9edb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9d40ea27bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9d4b17f7fc in start_thread (arg=0x7f9cf7fff700) at pthread_create.c:465
#8  0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f9d08e68700 (LWP 2600)):
#0  0x00007f9d4b18664b in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f9d08e677f0, expected=0, futex_word=0x7f9cfc004680) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f9d08e67890, mutex=0x7f9cfc004630, cond=0x7f9cfc004658) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f9cfc004658, mutex=0x7f9cfc004630, abstime=0x7f9d08e67890) at pthread_cond_wait.c:667
#3  0x00007f9d40ed38c2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9d40ea9979 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9d40ea9edb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9d40ea27bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9d4b17f7fc in start_thread (arg=0x7f9d08e68700) at pthread_create.c:465
#8  0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f9d09669700 (LWP 2599)):
#0  0x00007f9d4b186072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9d09668748) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f9d096686f8, cond=0x7f9d09668720) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f9d09668720, mutex=0x7f9d096686f8) at pthread_cond_wait.c:655
#3  0x00007f9d40e9ab59 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9d40e9ab87 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9d40e754fb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9d40e71dc8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9d40e8e9bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9d40ea66b6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9d40ea27bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f9d4b17f7fc in start_thread (arg=0x7f9d09669700) at pthread_create.c:465
#11 0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f9d09e6a700 (LWP 2598)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f9d50e49f34 in ___fprintf_chk (fp=0x7f9d51101870 <_IO_stdfile_2_lock>, flag=1, format=0x7f9d357ae528 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f9d3579674a in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f9d35796924 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f9d35798278 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f9d3578e019 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f9d40e75af9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9d40e71dc8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9d40e8e9bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9d40ea66b6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f9d40ea27bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f9d4b17f7fc in start_thread (arg=0x7f9d09e6a700) at pthread_create.c:465
#12 0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f9d18ae7700 (LWP 2591)):
#0  0x00007f9d4b186072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55c79fe23960) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55c79fe23910, cond=0x55c79fe23938) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55c79fe23938, mutex=0x55c79fe23910) at pthread_cond_wait.c:655
#3  0x00007f9d1aae8b8b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#4  0x00007f9d1aae8aa7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#5  0x00007f9d4b17f7fc in start_thread (arg=0x7f9d18ae7700) at pthread_create.c:465
#6  0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f9d1990f700 (LWP 2590)):
#0  0x00007f9d4b186072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55c79feccbf4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55c79feccba0, cond=0x55c79feccbc8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55c79feccbc8, mutex=0x55c79feccba0) at pthread_cond_wait.c:655
#3  0x00007f9d1aae8b8b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#4  0x00007f9d1aae8aa7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#5  0x00007f9d4b17f7fc in start_thread (arg=0x7f9d1990f700) at pthread_create.c:465
#6  0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f9d1bde3700 (LWP 2588)):
#0  0x00007f9d50e2d901 in __GI___poll (fds=0x7f9d14016410, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9d4938a169 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9d4938a27c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9d5176d49b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9d51712e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9d515323ca in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9d5312de45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f9d5153729d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9d4b17f7fc in start_thread (arg=0x7f9d1bde3700) at pthread_create.c:465
#9  0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f9d21131700 (LWP 2587)):
#0  0x00007f9d50e2d901 in __GI___poll (fds=0x7f9d21130938, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9d49123747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f9d4912553a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f9d22c23f09 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f9d5153729d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9d4b17f7fc in start_thread (arg=0x7f9d21131700) at pthread_create.c:465
#6  0x00007f9d50e39b0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f9d54fc3b80 (LWP 2577)):
[KCrash Handler]
#6  0x000055c7a042ac30 in ?? ()
#7  0x00007f9d51727313 in QMetaObject::invokeMethod(QObject*, char const*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9d104f1559 in Akregator::MainWidget::slotFramesChanged() () from /usr/lib/x86_64-linux-gnu/qt5/plugins/akregatorpart.so
#9  0x00007f9d517439ff in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f9d517439ff in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f9d547ff832 in Akregator::Frame::signalCompleted(Akregator::Frame*) () from /usr/lib/x86_64-linux-gnu/libakregatorprivate.so.5
#12 0x00007f9d547c62ab in Akregator::Frame::slotSetState(Akregator::Frame::State) () from /usr/lib/x86_64-linux-gnu/libakregatorprivate.so.5
#13 0x00007f9d104f1a8a in Akregator::MainWidget::slotFetchingStopped() () from /usr/lib/x86_64-linux-gnu/qt5/plugins/akregatorpart.so
#14 0x00007f9d517439ff in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f9d104f5633 in Akregator::MainWidget::slotOnShutdown() () from /usr/lib/x86_64-linux-gnu/qt5/plugins/akregatorpart.so
#16 0x00007f9d104f57a5 in Akregator::MainWidget::~MainWidget() () from /usr/lib/x86_64-linux-gnu/qt5/plugins/akregatorpart.so
#17 0x00007f9d104f57c9 in Akregator::MainWidget::~MainWidget() () from /usr/lib/x86_64-linux-gnu/qt5/plugins/akregatorpart.so
#18 0x00007f9d517414cb in QObjectPrivate::deleteChildren() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f9d524cbb2c in QWidget::~QWidget() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f9d104bcf31 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/akregatorpart.so
#21 0x00007f9d51744470 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f9d524d04d3 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f9d525af2de in QFrame::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f9d5248f46c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f9d52496d34 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007f9d51714de8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f9d5171755d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f9d5176de53 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f9d49389fb7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f9d4938a1f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f9d4938a27c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f9d5176d47f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007f9d51712e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f9d5171bda4 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x000055c79e892b91 in ?? ()
#36 0x00007f9d50d461c1 in __libc_start_main (main=0x55c79e8925e0, argc=1, argv=0x7ffe85467d58, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe85467d48) at ../csu/libc-start.c:308
#37 0x000055c79e892cea in _start ()

Reported using DrKonqi