https://bugs.kde.org/show_bug.cgi?id=401301

            Bug ID: 401301
           Summary: Digikam Close crash
           Product: digikam
           Version: 5.9.0
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: digikam-bugs-n...@kde.org
          Reporter: rigo.red...@gmail.com
  Target Milestone: ---

Application: digikam (5.9.0)

Qt Version: 5.11.2
Frameworks Version: 5.52.0
Operating System: Linux 4.19.1-arch1-1-ARCH x86_64
Distribution: "Arch Linux"

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

Import -> Cameras -> Add Camera Manually
Click Auto Detect cameras

Digikam detects phone DCIM folder backup on a ZFS folder mounted in my home
directory.
Digikam does not detect attached Fuji HS50 EXR

Digikam shows spinning cursor for a sort time.

I click ok and the add camera dialog.
I quikcly close all windows belonging to Digikam via the window close button.

Digikam crashes.

The crash can be reproduced sometimes.

-- Backtrace:
Application: digiKam (digikam), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f675d079b00 (LWP 21054))]

Thread 65 (Thread 0x7f6758d97700 (LWP 3801)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 64 (Thread 0x7f65effff700 (LWP 3432)):
#0  0x00007f6773769ef6 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe5fd in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f67787f6024 in  () at /usr/lib/libQt5Core.so.5
#3  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 63 (Thread 0x7f66277fe700 (LWP 21791)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe71c in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f6779f52835 in Digikam::VideoThumbnailerJob::run() () at
/usr/lib/libdigikamcore.so.5.9.0
#3  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 62 (Thread 0x7f6506ffd700 (LWP 21306)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 61 (Thread 0x7f65077fe700 (LWP 21305)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 60 (Thread 0x7f6507fff700 (LWP 21304)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 59 (Thread 0x7f6524ff9700 (LWP 21303)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 58 (Thread 0x7f65257fa700 (LWP 21302)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 57 (Thread 0x7f6525ffb700 (LWP 21301)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 56 (Thread 0x7f65267fc700 (LWP 21300)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 55 (Thread 0x7f6526ffd700 (LWP 21299)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 54 (Thread 0x7f65277fe700 (LWP 21298)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 53 (Thread 0x7f6527fff700 (LWP 21297)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 52 (Thread 0x7f6568ff9700 (LWP 21296)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 51 (Thread 0x7f65477fe700 (LWP 21295)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 50 (Thread 0x7f6546ffd700 (LWP 21294)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 49 (Thread 0x7f6544ff9700 (LWP 21293)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f677845ecd1 in __gthread_cond_wait (__mutex=<optimized out>,
__cond=<optimized out>) at
/build/gcc/src/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
#2  0x00007f677845ecd1 in
std::condition_variable::wait(std::unique_lock<std::mutex>&) (this=<optimized
out>, __lock=...) at
/build/gcc/src/gcc/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00007f676e5157cf in WTF::ParkingLot::parkConditionally(void const*,
std::function<bool ()>, std::function<void ()>,
std::chrono::time_point<std::chrono::_V2::steady_clock,
std::chrono::duration<long, std::ratio<1l, 1000000000l> > >) () at
/usr/lib/libQt5WebKit.so.5
#4  0x00007f676e5139f6 in  () at /usr/lib/libQt5WebKit.so.5
#5  0x00007f676e517fcd in  () at /usr/lib/libQt5WebKit.so.5
#6  0x00007f676e5463ca in  () at /usr/lib/libQt5WebKit.so.5
#7  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 48 (Thread 0x7f65457fa700 (LWP 21292)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f677845ecd1 in __gthread_cond_wait (__mutex=<optimized out>,
__cond=<optimized out>) at
/build/gcc/src/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
#2  0x00007f677845ecd1 in
std::condition_variable::wait(std::unique_lock<std::mutex>&) (this=<optimized
out>, __lock=...) at
/build/gcc/src/gcc/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00007f676e5157cf in WTF::ParkingLot::parkConditionally(void const*,
std::function<bool ()>, std::function<void ()>,
std::chrono::time_point<std::chrono::_V2::steady_clock,
std::chrono::duration<long, std::ratio<1l, 1000000000l> > >) () at
/usr/lib/libQt5WebKit.so.5
#4  0x00007f676e5139f6 in  () at /usr/lib/libQt5WebKit.so.5
#5  0x00007f676e517fcd in  () at /usr/lib/libQt5WebKit.so.5
#6  0x00007f676e5463ca in  () at /usr/lib/libQt5WebKit.so.5
#7  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 47 (Thread 0x7f6545ffb700 (LWP 21291)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f677845ecd1 in __gthread_cond_wait (__mutex=<optimized out>,
__cond=<optimized out>) at
/build/gcc/src/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
#2  0x00007f677845ecd1 in
std::condition_variable::wait(std::unique_lock<std::mutex>&) (this=<optimized
out>, __lock=...) at
/build/gcc/src/gcc/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00007f676e5157cf in WTF::ParkingLot::parkConditionally(void const*,
std::function<bool ()>, std::function<void ()>,
std::chrono::time_point<std::chrono::_V2::steady_clock,
std::chrono::duration<long, std::ratio<1l, 1000000000l> > >) () at
/usr/lib/libQt5WebKit.so.5
#4  0x00007f676e5139f6 in  () at /usr/lib/libQt5WebKit.so.5
#5  0x00007f676e517fcd in  () at /usr/lib/libQt5WebKit.so.5
#6  0x00007f676e5463ca in  () at /usr/lib/libQt5WebKit.so.5
#7  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 46 (Thread 0x7f65467fc700 (LWP 21290)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f677845ecd1 in __gthread_cond_wait (__mutex=<optimized out>,
__cond=<optimized out>) at
/build/gcc/src/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
#2  0x00007f677845ecd1 in
std::condition_variable::wait(std::unique_lock<std::mutex>&) (this=<optimized
out>, __lock=...) at
/build/gcc/src/gcc/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00007f676e5157cf in WTF::ParkingLot::parkConditionally(void const*,
std::function<bool ()>, std::function<void ()>,
std::chrono::time_point<std::chrono::_V2::steady_clock,
std::chrono::duration<long, std::ratio<1l, 1000000000l> > >) () at
/usr/lib/libQt5WebKit.so.5
#4  0x00007f676e5139f6 in  () at /usr/lib/libQt5WebKit.so.5
#5  0x00007f676e517fcd in  () at /usr/lib/libQt5WebKit.so.5
#6  0x00007f676e5463ca in  () at /usr/lib/libQt5WebKit.so.5
#7  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 45 (Thread 0x7f65697fa700 (LWP 21289)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f677845ecd1 in __gthread_cond_wait (__mutex=<optimized out>,
__cond=<optimized out>) at
/build/gcc/src/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
#2  0x00007f677845ecd1 in
std::condition_variable::wait(std::unique_lock<std::mutex>&) (this=<optimized
out>, __lock=...) at
/build/gcc/src/gcc/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00007f676e5157cf in WTF::ParkingLot::parkConditionally(void const*,
std::function<bool ()>, std::function<void ()>,
std::chrono::time_point<std::chrono::_V2::steady_clock,
std::chrono::duration<long, std::ratio<1l, 1000000000l> > >) () at
/usr/lib/libQt5WebKit.so.5
#4  0x00007f676e5139f6 in  () at /usr/lib/libQt5WebKit.so.5
#5  0x00007f676e517fcd in  () at /usr/lib/libQt5WebKit.so.5
#6  0x00007f676e5463ca in  () at /usr/lib/libQt5WebKit.so.5
#7  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 44 (Thread 0x7f6547fff700 (LWP 21288)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f677845ecd1 in __gthread_cond_wait (__mutex=<optimized out>,
__cond=<optimized out>) at
/build/gcc/src/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
#2  0x00007f677845ecd1 in
std::condition_variable::wait(std::unique_lock<std::mutex>&) (this=<optimized
out>, __lock=...) at
/build/gcc/src/gcc/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00007f676e5157cf in WTF::ParkingLot::parkConditionally(void const*,
std::function<bool ()>, std::function<void ()>,
std::chrono::time_point<std::chrono::_V2::steady_clock,
std::chrono::duration<long, std::ratio<1l, 1000000000l> > >) () at
/usr/lib/libQt5WebKit.so.5
#4  0x00007f676e5139f6 in  () at /usr/lib/libQt5WebKit.so.5
#5  0x00007f676e517fcd in  () at /usr/lib/libQt5WebKit.so.5
#6  0x00007f676e5463ca in  () at /usr/lib/libQt5WebKit.so.5
#7  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 43 (Thread 0x7f66437fe700 (LWP 21105)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f677845ecd1 in __gthread_cond_wait (__mutex=<optimized out>,
__cond=<optimized out>) at
/build/gcc/src/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
#2  0x00007f677845ecd1 in
std::condition_variable::wait(std::unique_lock<std::mutex>&) (this=<optimized
out>, __lock=...) at
/build/gcc/src/gcc/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00007f676e5157cf in WTF::ParkingLot::parkConditionally(void const*,
std::function<bool ()>, std::function<void ()>,
std::chrono::time_point<std::chrono::_V2::steady_clock,
std::chrono::duration<long, std::ratio<1l, 1000000000l> > >) () at
/usr/lib/libQt5WebKit.so.5
#4  0x00007f676dee2df9 in  () at /usr/lib/libQt5WebKit.so.5
#5  0x00007f676e517fcd in  () at /usr/lib/libQt5WebKit.so.5
#6  0x00007f676e5463ca in  () at /usr/lib/libQt5WebKit.so.5
#7  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 42 (Thread 0x7f6643fff700 (LWP 21104)):
#0  0x00007f67782b9c21 in poll () at /usr/lib/libc.so.6
#1  0x00007f67705cfee0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f67705cffce in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f67789fefe4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f67789aa8cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f67787f3eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 41 (Thread 0x7f6670fd1700 (LWP 21103)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 40 (Thread 0x7f66717d2700 (LWP 21102)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 39 (Thread 0x7f6672ffb700 (LWP 21094)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 38 (Thread 0x7f66737fc700 (LWP 21093)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 37 (Thread 0x7f6673ffd700 (LWP 21092)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 36 (Thread 0x7f66d4ff9700 (LWP 21091)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 35 (Thread 0x7f66d57fa700 (LWP 21090)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 34 (Thread 0x7f66d5ffb700 (LWP 21089)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 33 (Thread 0x7f66d67fc700 (LWP 21088)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 32 (Thread 0x7f66d6ffd700 (LWP 21087)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 31 (Thread 0x7f66d77fe700 (LWP 21086)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 30 (Thread 0x7f66d7fff700 (LWP 21085)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 29 (Thread 0x7f670cff9700 (LWP 21084)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 28 (Thread 0x7f670d7fa700 (LWP 21083)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 27 (Thread 0x7f670dffb700 (LWP 21082)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 26 (Thread 0x7f670e7fc700 (LWP 21081)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 25 (Thread 0x7f670effd700 (LWP 21080)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe9ac in QWaitCondition::wait(QReadWriteLock*, unsigned long)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f67715d7e11 in QtAV::BlockingQueue<QRunnable*, QQueue>::take() () at
/usr/lib/libQtAV.so.1
#3  0x00007f67716509f9 in QtAV::ExtractThread::run() () at
/usr/lib/libQtAV.so.1
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 24 (Thread 0x7f670f7fe700 (LWP 21079)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f67787fe71c in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f6779f6478b in  () at /usr/lib/libdigikamcore.so.5.9.0
#3  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 23 (Thread 0x7f670ffff700 (LWP 21078)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f674aae4d0c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f674aae4a48 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 22 (Thread 0x7f6714ff9700 (LWP 21077)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f674aae4d0c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f674aae4a48 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7f67157fa700 (LWP 21076)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f674aae4d0c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f674aae4a48 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7f6715ffb700 (LWP 21075)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f674aae4d0c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f674aae4a48 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7f67167fc700 (LWP 21074)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f674aae4d0c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f674aae4a48 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7f6716ffd700 (LWP 21073)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f674aae4d0c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f674aae4a48 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7f67177fe700 (LWP 21072)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f674aae4d0c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f674aae4a48 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7f6717fff700 (LWP 21071)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f674aae4d0c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f674aae4a48 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7f6738ff9700 (LWP 21070)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f674aae4d0c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f674aae4a48 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f67397fa700 (LWP 21069)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f674aae4d0c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f674aae4a48 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f6739ffb700 (LWP 21068)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f674aae4d0c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f674aae4a48 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f673a7fc700 (LWP 21067)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f674aae4d0c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f674aae4a48 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f673affd700 (LWP 21066)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f674aae4d0c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f674aae4a48 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f673b7fe700 (LWP 21065)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f674aae4d0c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f674aae4a48 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f673bfff700 (LWP 21064)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f674aae4d0c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f674aae4a48 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f6748d79700 (LWP 21063)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f674aae4d0c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f674aae4a48 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f674957a700 (LWP 21062)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f674aae4d0c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f674aae4a48 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f6749d7b700 (LWP 21061)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f674aae4d0c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f674aae4a48 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f674bfff700 (LWP 21060)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f674aae4d0c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f674aae4a48 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f6759fa8700 (LWP 21057)):
#0  0x00007f67782b57a4 in read () at /usr/lib/libc.so.6
#1  0x00007f677057e781 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f67705cea50 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f67705cfe86 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f67705cffce in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5  0x00007f67789fefe4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007f67789aa8cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f67787f3eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f6773793ba6 in  () at /usr/lib/libQt5DBus.so.5
#9  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f675b2cb700 (LWP 21056)):
#0  0x00007f67782b9c21 in poll () at /usr/lib/libc.so.6
#1  0x00007f676c569630 in  () at /usr/lib/libxcb.so.1
#2  0x00007f676c56b2db in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f675c195c5a in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f67787fdf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f675d06e700 (LWP 21055)):
#0  0x00007f6773769afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f677845ecd1 in __gthread_cond_wait (__mutex=<optimized out>,
__cond=<optimized out>) at
/build/gcc/src/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
#2  0x00007f677845ecd1 in
std::condition_variable::wait(std::unique_lock<std::mutex>&) (this=<optimized
out>, __lock=...) at
/build/gcc/src/gcc/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00007f676fa65f14 in  () at /usr/lib/libQt5WebKit.so.5
#4  0x00007f676fa66039 in  () at /usr/lib/libQt5WebKit.so.5
#5  0x00007f6778465063 in std::execute_native_thread_routine(void*)
(__p=0x557d922e0c60) at /build/gcc/src/gcc/libstdc++-v3/src/c++11/thread.cc:80
#6  0x00007f6773763a9d in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f67782c4b23 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f675d079b00 (LWP 21054)):
[KCrash Handler]
#6  0x00007f677adc7db0 in  () at /usr/lib/libdigikamgui.so.5.9.0
#7  0x00007f677adaad57 in  () at /usr/lib/libdigikamgui.so.5.9.0
#8  0x00007f67789d5bd0 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#9  0x00007f677940e803 in QAbstractButton::clicked(bool) () at
/usr/lib/libQt5Widgets.so.5
#10 0x00007f677940ea1c in  () at /usr/lib/libQt5Widgets.so.5
#11 0x00007f677940fe12 in  () at /usr/lib/libQt5Widgets.so.5
#12 0x00007f677940ffe6 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) ()
at /usr/lib/libQt5Widgets.so.5
#13 0x00007f6779363658 in QWidget::event(QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#14 0x00007f6779323e14 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#15 0x00007f677932b92a in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#16 0x00007f67789abc39 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#17 0x00007f677932ac11 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at
/usr/lib/libQt5Widgets.so.5
#18 0x00007f677937e98c in  () at /usr/lib/libQt5Widgets.so.5
#19 0x00007f67793815d5 in  () at /usr/lib/libQt5Widgets.so.5
#20 0x00007f6779323e14 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#21 0x00007f677932b6e1 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#22 0x00007f67789abc39 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#23 0x00007f6778d540dc in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() at /usr/lib/libQt5Gui.so.5
#24 0x00007f6778d56066 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /usr/lib/libQt5Gui.so.5
#25 0x00007f6778d2fa3c in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib/libQt5Gui.so.5
#26 0x00007f675c22bdad in  () at /usr/lib/libQt5XcbQpa.so.5
#27 0x00007f67789aa8cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#28 0x00007f677951976e in QDialog::exec() () at /usr/lib/libQt5Widgets.so.5
#29 0x00007f677adaa831 in  () at /usr/lib/libdigikamgui.so.5.9.0
#30 0x00007f677ad53a30 in  () at /usr/lib/libdigikamgui.so.5.9.0
#31 0x00007f67789d5a7c in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#32 0x00007f677931d613 in QAction::triggered(bool) () at
/usr/lib/libQt5Widgets.so.5
#33 0x00007f677931fd0a in QAction::activate(QAction::ActionEvent) () at
/usr/lib/libQt5Widgets.so.5
#34 0x00007f677949809d in  () at /usr/lib/libQt5Widgets.so.5
#35 0x00007f677949f892 in  () at /usr/lib/libQt5Widgets.so.5
#36 0x00007f67794a08fc in QMenu::mouseReleaseEvent(QMouseEvent*) () at
/usr/lib/libQt5Widgets.so.5
#37 0x00007f6779363658 in QWidget::event(QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#38 0x00007f67794a300c in QMenu::event(QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#39 0x00007f6779323e14 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#40 0x00007f677932b92a in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#41 0x00007f67789abc39 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#42 0x00007f677932ac11 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at
/usr/lib/libQt5Widgets.so.5
#43 0x00007f677937ed57 in  () at /usr/lib/libQt5Widgets.so.5
#44 0x00007f67793815d5 in  () at /usr/lib/libQt5Widgets.so.5
#45 0x00007f6779323e14 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#46 0x00007f677932b6e1 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#47 0x00007f67789abc39 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#48 0x00007f6778d540dc in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() at /usr/lib/libQt5Gui.so.5
#49 0x00007f6778d56066 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /usr/lib/libQt5Gui.so.5
#50 0x00007f6778d2fa3c in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib/libQt5Gui.so.5
#51 0x00007f675c22bdad in  () at /usr/lib/libQt5XcbQpa.so.5
#52 0x00007f67789aa8cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#53 0x00007f67789b2bc6 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#54 0x0000557d914f759f in  ()
#55 0x00007f67781ed223 in __libc_start_main () at /usr/lib/libc.so.6
#56 0x0000557d914f844e in _start ()
[Inferior 1 (process 21054) detached]

Reported using DrKonqi

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