[kontact] [Bug 423759] New: Opening folder properties crashes Kontact

Thea Barnes bugzilla_noreply at kde.org
Wed Jul 1 19:44:04 BST 2020


https://bugs.kde.org/show_bug.cgi?id=423759

            Bug ID: 423759
           Summary: Opening folder properties crashes Kontact
           Product: kontact
           Version: unspecified
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: thea at tsbarnes.com
  Target Milestone: ---

Application: kontact (5.13.3 (19.12.3))

Qt Version: 5.12.8
Frameworks Version: 5.68.0
Operating System: Linux 5.4.0-40-generic x86_64
Windowing system: X11
Distribution: Ubuntu 20.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:

I was attempting to open the folder properties on a Gmail account folder. It
doesn't crash every time I do it, but about half the time. The same Gmail
account also performs much worse than my other accounts.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f8b0e6ecf00 (LWP 748984))]

Thread 32 (Thread 0x7f8a5c985700 (LWP 785689)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f8a5c9844a0, clockid=<optimized out>, expected=0,
futex_word=0x7f8a5c9845e8) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f8a5c9844a0, clockid=<optimized
out>, mutex=0x7f8a5c984598, cond=0x7f8a5c9845c0) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f8a5c9845c0, mutex=0x7f8a5c984598,
abstime=0x7f8a5c9844a0) at pthread_cond_wait.c:656
#3  0x00007f8b1b11bb2e in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8b1b11c51f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8b1b11c615 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8b1b0ddda6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8b1b0e0939 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8b1b0e0ef8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8b1b11eb63 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 31 (Thread 0x7f8addffb700 (LWP 785688)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f8addffa4a0, clockid=<optimized out>, expected=0,
futex_word=0x7f8addffa5e8) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f8addffa4a0, clockid=<optimized
out>, mutex=0x7f8addffa598, cond=0x7f8addffa5c0) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f8addffa5c0, mutex=0x7f8addffa598,
abstime=0x7f8addffa4a0) at pthread_cond_wait.c:656
#3  0x00007f8b1b11bb2e in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8b1b11c51f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8b1b11c615 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8b1b0ddda6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8b1b0e0c48 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8b1b0e0ef8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8b1b11eb63 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7f8a5d186700 (LWP 785687)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f8a5d1854a0, clockid=<optimized out>, expected=0,
futex_word=0x7f8a5d1855e8) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f8a5d1854a0, clockid=<optimized
out>, mutex=0x7f8a5d185598, cond=0x7f8a5d1855c0) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f8a5d1855c0, mutex=0x7f8a5d185598,
abstime=0x7f8a5d1854a0) at pthread_cond_wait.c:656
#3  0x00007f8b1b11bb2e in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8b1b11c51f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8b1b11c615 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8b1b0ddda6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8b1b0e0c48 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8b1b0e0ef8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8b1b11eb63 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7f8add7fa700 (LWP 785686)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f8add7f94a0, clockid=<optimized out>, expected=0,
futex_word=0x7f8add7f95e8) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f8add7f94a0, clockid=<optimized
out>, mutex=0x7f8add7f9598, cond=0x7f8add7f95c0) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f8add7f95c0, mutex=0x7f8add7f9598,
abstime=0x7f8add7f94a0) at pthread_cond_wait.c:656
#3  0x00007f8b1b11bb2e in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8b1b11c51f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8b1b11c615 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8b1b0ddda6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8b1b0e0c48 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8b1b0e0ef8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8b1b11eb63 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7f8ab8bf9700 (LWP 774569)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f8ab8bf84a0, clockid=<optimized out>, expected=0,
futex_word=0x7f8ab8bf85e8) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f8ab8bf84a0, clockid=<optimized
out>, mutex=0x7f8ab8bf8598, cond=0x7f8ab8bf85c0) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f8ab8bf85c0, mutex=0x7f8ab8bf8598,
abstime=0x7f8ab8bf84a0) at pthread_cond_wait.c:656
#3  0x00007f8b1b11bb2e in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8b1b11c51f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8b1b11c615 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8b1b0ddda6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8b1b0e0c48 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8b1b0e0ef8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8b1b11eb63 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7f8a67fff700 (LWP 749151)):
#0  __GI___libc_read (nbytes=16, buf=0x7f8a67ffe490, fd=109) at
../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=109, buf=0x7f8a67ffe490, nbytes=16) at
../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f8b2022889f in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b201dfcfe in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8b201e0152 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8b201e02e3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f8b22139583 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8b220e04db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8b21f18785 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f8b21f199d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7f8a75390700 (LWP 749148)):
#0  0x00007f8b21b8096f in __GI___poll (fds=0x7f8a60009400, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f8b201e01ae in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b201e02e3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b22139583 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8b220e04db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8b21f18785 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8b21f199d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7f8a75b91700 (LWP 749145)):
#0  0x00007f8b21b8096f in __GI___poll (fds=0x55c75f254570, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f8b201e01ae in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b201e02e3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b22139583 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8b220e04db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8b21f18785 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8b21f199d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f8a76765700 (LWP 749117)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f8b21f1bdd1 in QSemaphore::acquire(int) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f8a845f772c in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/texttospeech/libqttexttospeech_flite.so
#3  0x00007f8b21f199d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#5  0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f8a76ffd700 (LWP 749114)):
#0  0x00007f8b201e01b7 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8b201e02e3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b22139583 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f8b220e04db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8b21f18785 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8b21f199d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f8a777fe700 (LWP 749109)):
#0  __GI___libc_read (nbytes=16, buf=0x7f8a777fd490, fd=79) at
../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=79, buf=0x7f8a777fd490, nbytes=16) at
../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f8b2022889f in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b201dfcfe in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8b201e0152 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8b201e02e3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f8b22139583 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8b220e04db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8b21f18785 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f8b21f199d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f8a77fff700 (LWP 749107)):
#0  __GI___pthread_getspecific (key=6) at pthread_getspecific.c:25
#1  0x00007f8b20209ea4 in g_thread_self () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b201df220 in g_main_context_acquire () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b201e0065 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8b201e02e3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8b22139583 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f8b220e04db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8b21f18785 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8b21f199d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f8a84fdb700 (LWP 749106)):
#0  __GI___libc_read (nbytes=16, buf=0x7f8a84fda490, fd=65) at
../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=65, buf=0x7f8a84fda490, nbytes=16) at
../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f8b2022889f in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b201dfcfe in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8b201e0152 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8b201e02e3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f8b22139583 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8b220e04db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8b21f18785 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f8b21f199d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f8a877fe700 (LWP 749046)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f8a877fd5f8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f8a877fd5a8,
cond=0x7f8a877fd5d0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f8a877fd5d0, mutex=0x7f8a877fd5a8) at
pthread_cond_wait.c:638
#3  0x00007f8b1b11ba5e in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8b1b11c530 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8b1b11c5d3 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8b1b0dddb8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8b1b0e0c48 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8b1b0e0fb8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8b1b11eb63 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f8a87fff700 (LWP 749045)):
#0  __GI___libc_write (nbytes=39, buf=0x7f8a87ffb930, fd=2) at
../sysdeps/unix/sysv/linux/write.c:26
#1  __GI___libc_write (fd=2, buf=0x7f8a87ffb930, nbytes=39) at
../sysdeps/unix/sysv/linux/write.c:24
#2  0x00007f8b21afd00d in _IO_new_file_write (f=0x7f8b21c575c0
<_IO_2_1_stderr_>, data=0x7f8a87ffb930, n=39) at fileops.c:1176
#3  0x00007f8b21afd928 in new_do_write (to_do=<optimized out>,
data=0x7f8a87ffb930 "[warn] epoll_wait: Bad file descriptor\n",
fp=0x7f8b21c575c0 <_IO_2_1_stderr_>) at libioP.h:948
#4  _IO_new_file_xsputn (n=39, data=<optimized out>, f=<optimized out>) at
fileops.c:1255
#5  _IO_new_file_xsputn (f=0x7f8b21c575c0 <_IO_2_1_stderr_>, data=<optimized
out>, n=39) at fileops.c:1197
#6  0x00007f8b21ae80d3 in buffered_vfprintf (s=s at entry=0x7f8b21c575c0
<_IO_2_1_stderr_>, format=format at entry=0x7f8b15ebc258 "[%s] %s\n",
args=args at entry=0x7f8a87ffdef0, mode_flags=mode_flags at entry=2) at
../libio/libioP.h:948
#7  0x00007f8b21ae4ea4 in __vfprintf_internal (s=0x7f8b21c575c0
<_IO_2_1_stderr_>, format=0x7f8b15ebc258 "[%s] %s\n",
ap=ap at entry=0x7f8a87ffdef0, mode_flags=2) at vfprintf-internal.c:1346
#8  0x00007f8b21b9c023 in ___fprintf_chk (fp=<optimized out>, flag=<optimized
out>, format=<optimized out>) at fprintf_chk.c:33
#9  0x00007f8b15ea2b36 in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#10 0x00007f8b15ea2d09 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#11 0x00007f8b15ea4768 in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#12 0x00007f8b15e9a625 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#13 0x00007f8b1b122318 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f8b1b0bbe9f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f8b1b0e67e1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007f8b1b11eb63 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#18 0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f8ab9ffb700 (LWP 749026)):
#0  __GI___libc_read (nbytes=10, buf=0x7f8ab9ffa4de, fd=50) at
../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=50, buf=0x7f8ab9ffa4de, nbytes=10) at
../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f8af03bc955 in pa_read () at
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
#3  0x00007f8b00028416 in pa_mainloop_prepare () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f8b00028eb4 in pa_mainloop_iterate () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f8b00028f70 in pa_mainloop_run () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f8b0003711d in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#7  0x00007f8af03eb57c in  () at
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
#8  0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f8aba7fc700 (LWP 749025)):
#0  0x00007f8b21b8d43e in epoll_wait (epfd=43, events=0x7f8aac002050,
maxevents=32, timeout=-1) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#1  0x00007f8b15ea45e9 in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#2  0x00007f8b15e9a625 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#3  0x00007f8b1b12236a in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8b1b0bbe9f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8b1b0e67e1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8b1b11eb63 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f8abaffd700 (LWP 749024)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f8abaffc460, clockid=<optimized out>, expected=0,
futex_word=0x7f8abaffc5a8) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f8abaffc460, clockid=<optimized
out>, mutex=0x7f8abaffc558, cond=0x7f8abaffc580) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f8abaffc580, mutex=0x7f8abaffc558,
abstime=0x7f8abaffc460) at pthread_cond_wait.c:656
#3  0x00007f8b1b11bb2e in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8b1b11c51f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8b1b0994f8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8b1b0bbe9f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8b1b0e67e1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8b1b11eb63 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f8abb7fe700 (LWP 749023)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c75e7b7688) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c75e7b75c8,
cond=0x55c75e7b7660) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c75e7b7660, mutex=0x55c75e7b75c8) at
pthread_cond_wait.c:638
#3  0x00007f8b1b11ba5e in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8b1b907458 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8b1b0ee5e1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8b1b11eb63 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f8abbfff700 (LWP 749022)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f8abbffe460, clockid=<optimized out>, expected=0,
futex_word=0x7f8abbffe5a8) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f8abbffe460, clockid=<optimized
out>, mutex=0x7f8abbffe558, cond=0x7f8abbffe580) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f8abbffe580, mutex=0x7f8abbffe558,
abstime=0x7f8abbffe460) at pthread_cond_wait.c:656
#3  0x00007f8b1b11bb2e in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8b1b11c51f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8b1b0994f8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8b1b0bbe9f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8b1b0e67e1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8b1b11eb63 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f8adcff9700 (LWP 749021)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f8adcff85f8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f8adcff85a8,
cond=0x7f8adcff85d0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f8adcff85d0, mutex=0x7f8adcff85a8) at
pthread_cond_wait.c:638
#3  0x00007f8b1b11ba5e in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8b1b11c530 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8b1b11c5d3 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8b1b0dddb8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8b1b0e0c48 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8b1b0e0f58 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8b1b11eb63 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f8adeffd700 (LWP 749017)):
#0  __lll_lock_wait_private (futex=0x7f8b21c594b0 <_IO_stdfile_2_lock>) at
./lowlevellock.c:35
#1  0x00007f8b21ae81f6 in buffered_vfprintf (s=s at entry=0x7f8b21c575c0
<_IO_2_1_stderr_>, format=format at entry=0x7f8b15ebc258 "[%s] %s\n",
args=args at entry=0x7f8adeffbed0, mode_flags=mode_flags at entry=2) at
vfprintf-internal.c:2381
#2  0x00007f8b21ae4ea4 in __vfprintf_internal (s=0x7f8b21c575c0
<_IO_2_1_stderr_>, format=0x7f8b15ebc258 "[%s] %s\n",
ap=ap at entry=0x7f8adeffbed0, mode_flags=2) at vfprintf-internal.c:1346
#3  0x00007f8b21b9c023 in ___fprintf_chk (fp=<optimized out>, flag=<optimized
out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007f8b15ea2b36 in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#5  0x00007f8b15ea2d09 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x00007f8b15ea4768 in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007f8b15e9a625 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007f8b1b122318 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8b1b0bbe9f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8b1aa4a7b8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f8b1b0e67e1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f8b1b11eb63 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#14 0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f8adffff700 (LWP 749015)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f8adfffe4a0, clockid=<optimized out>, expected=0,
futex_word=0x7f8adfffe5e8) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f8adfffe4a0, clockid=<optimized
out>, mutex=0x7f8adfffe598, cond=0x7f8adfffe5c0) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f8adfffe5c0, mutex=0x7f8adfffe598,
abstime=0x7f8adfffe4a0) at pthread_cond_wait.c:656
#3  0x00007f8b1b11bb2e in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f8b1b11c51f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f8b1b11c615 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f8b1b0ddda6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f8b1b0e0c48 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f8b1b0e0ef8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8b1b11eb63 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f8af0f68700 (LWP 749014)):
#0  __lll_lock_wait_private (futex=0x7f8b21c594b0 <_IO_stdfile_2_lock>) at
./lowlevellock.c:35
#1  0x00007f8b21ae81f6 in buffered_vfprintf (s=s at entry=0x7f8b21c575c0
<_IO_2_1_stderr_>, format=format at entry=0x7f8b15ebc258 "[%s] %s\n",
args=args at entry=0x7f8af0f66ed0, mode_flags=mode_flags at entry=2) at
vfprintf-internal.c:2381
#2  0x00007f8b21ae4ea4 in __vfprintf_internal (s=0x7f8b21c575c0
<_IO_2_1_stderr_>, format=0x7f8b15ebc258 "[%s] %s\n",
ap=ap at entry=0x7f8af0f66ed0, mode_flags=2) at vfprintf-internal.c:1346
#3  0x00007f8b21b9c023 in ___fprintf_chk (fp=<optimized out>, flag=<optimized
out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007f8b15ea2b36 in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#5  0x00007f8b15ea2d09 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x00007f8b15ea4768 in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007f8b15e9a625 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007f8b1b122318 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f8b1b0bbe9f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f8b1b0e42f8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f8b1b0e67e1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f8b1b11eb63 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#14 0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f8af1769700 (LWP 749013)):
#0  tcache_get (tc_idx=<optimized out>) at malloc.c:2937
#1  __GI___libc_malloc (bytes=bytes at entry=50) at malloc.c:3051
#2  0x00007f8b21aa6862 in _nl_make_l10nflist
(l10nfile_list=l10nfile_list at entry=0x7f8b21c588d8 <_nl_loaded_domains>,
dirlist=dirlist at entry=0x7f8b21c2a010 <_nl_default_dirname> "/usr/share/locale",
dirlist_len=18, mask=mask at entry=0, language=language at entry=0x7f8af1768230
"en_US.UTF-8", territory=territory at entry=0x0, codeset=0x0,
normalized_codeset=0x0, modifier=0x0, filename=0x7f8af1768250
"LC_MESSAGES/libc.mo", do_allocate=0) at ../intl/l10nflist.c:166
#3  0x00007f8b21aa4527 in _nl_find_domain (dirname=dirname at entry=0x7f8b21c2a010
<_nl_default_dirname> "/usr/share/locale", locale=locale at entry=0x7f8af1768230
"en_US.UTF-8", domainname=domainname at entry=0x7f8af1768250
"LC_MESSAGES/libc.mo", domainbinding=domainbinding at entry=0x0) at
finddomain.c:90
#4  0x00007f8b21aa3d2f in __dcigettext (domainname=0x7f8b21c22405
<_libc_intl_domainname> "libc", msgid1=0x7f8b21c228ac "Bad file descriptor",
msgid2=msgid2 at entry=0x0, plural=plural at entry=0, n=n at entry=0,
category=category at entry=5) at dcigettext.c:702
#5  0x00007f8b21aa2993 in __GI___dcgettext (domainname=<optimized out>,
msgid=<optimized out>, category=category at entry=5) at dcgettext.c:47
#6  0x00007f8b21b0d672 in __GI___strerror_r (errnum=errnum at entry=9,
buf=buf at entry=0x0, buflen=buflen at entry=0) at _strerror.c:71
#7  0x00007f8b21b0d593 in strerror (errnum=9) at strerror.c:31
#8  0x00007f8b15ea2cf6 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#9  0x00007f8b15ea4768 in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#10 0x00007f8b15e9a625 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#11 0x00007f8b1b12236a in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f8b1b0bbe9f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f8b1b0e67e1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f8b1b11eb63 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#16 0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f8af3fff700 (LWP 749006)):
#0  __GI___libc_read (nbytes=16, buf=0x7f8af3ffe460, fd=10) at
../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=10, buf=0x7f8af3ffe460, nbytes=16) at
../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f8b2022889f in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b201dfcfe in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8b201e0152 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8b201e02e3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f8b22139583 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8b220e04db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8b21f18785 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f8b21542efa in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#10 0x00007f8b21f199d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#12 0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f8b00f30700 (LWP 749005)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f8b08005738) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f8b080056e8,
cond=0x7f8b08005710) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f8b08005710, mutex=0x7f8b080056e8) at
pthread_cond_wait.c:638
#3  0x00007f8b06dff3db in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f8b06dfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f8b01731700 (LWP 749004)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f8b08005738) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f8b080056e8,
cond=0x7f8b08005710) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f8b08005710, mutex=0x7f8b080056e8) at
pthread_cond_wait.c:638
#3  0x00007f8b06dff3db in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f8b06dfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f8b01f32700 (LWP 749003)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f8b08005738) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f8b080056e8,
cond=0x7f8b08005710) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f8b08005710, mutex=0x7f8b080056e8) at
pthread_cond_wait.c:638
#3  0x00007f8b06dff3db in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f8b06dfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f8b02733700 (LWP 749002)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f8b08005738) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f8b080056e8,
cond=0x7f8b08005710) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f8b08005710, mutex=0x7f8b080056e8) at
pthread_cond_wait.c:638
#3  0x00007f8b06dff3db in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f8b06dfefeb in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f8b0dad0700 (LWP 749001)):
#0  0x00007f8b21b8096f in __GI___poll (fds=0x7f8b0dacf5a8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f8b20baec1a in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f8b20bb090a in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f8b0e027298 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f8b21f199d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8b20b78609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f8b21b8d103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f8b0e6ecf00 (LWP 748984)):
[KCrash Handler]
#6  0x00007f8b0c55206b in Kvantum::Style::advanceProgressbar() () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/styles/libkvantum.so
#7  0x00007f8b2210d458 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f8b2211a51e in QTimer::timeout(QTimer::QPrivateSignal) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f8b2210dcf5 in QObject::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f8b22af9a66 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007f8b22b030f0 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f8b220e193a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f8b221388b0 in QTimerInfoList::activateTimers() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f8b2213919c in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f8b201dffbd in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007f8b201e0240 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007f8b201e02e3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f8b22139565 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f8b220e04db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f8b220e8246 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x000055c75d6ddcde in  ()
#22 0x00007f8b21a920b3 in __libc_start_main (main=0x55c75d6dd160, argc=1,
argv=0x7ffe6f26d978, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffe6f26d968) at ../csu/libc-start.c:308
#23 0x000055c75d6de4fe in  ()
[Inferior 1 (process 748984) detached]

Possible duplicates by query: bug 423729, bug 423675, bug 423579, bug 423557,
bug 423173.

Reported using DrKonqi

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