Bug 439471

Application: kamerka (0.8.1)

Qt Version: 5.11.3
Frameworks Version: 5.54.0
Operating System: Linux 5.10.0-0.bpo.5-amd64 x86_64
Distribution: Debian GNU/Linux 10 (buster)

-- Information about the crash:
Regardless of a way to start the app - it fails every time.

The crash can be reproduced every time.

-- Backtrace:
Application: Kamerka (kamerka), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4b218fccc0 (LWP 6114))]

Thread 2 (Thread 0x7f4b1d8ab700 (LWP 6115)):
#0  0x00007f4b241ce00c in futex_wait_cancelable (private=0, expected=0, futex_word=0x7f4b26c4ffb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f4b241ce00c in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f4b26c4ff68, cond=0x7f4b26c4ff90) at pthread_cond_wait.c:502
#2  0x00007f4b241ce00c in __pthread_cond_wait (cond=0x7f4b26c4ff90, mutex=0x7f4b26c4ff68) at pthread_cond_wait.c:655
#3  0x00007f4b26b32f0e in  () at /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#4  0x00007f4b26b32f39 in  () at /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#5  0x00007f4b241c7fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f4b24c2a4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4b218fccc0 (LWP 6114)):
[KCrash Handler]
#6  0x00007f4a92238637 in QMetaObject::className() const () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f4a92c00baf in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8  0x00007f4a92ba39c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007f4b2736037a in call_init (l=<optimized out>, argc=argc@entry=1, argv=argv@entry=0x7fff1c57a828, env=env@entry=0x7fff1c57a838) at dl-init.c:72
#10 0x00007f4b27360476 in call_init (env=0x7fff1c57a838, argv=0x7fff1c57a828, argc=1, l=<optimized out>) at dl-init.c:30
#11 0x00007f4b27360476 in _dl_init (main_map=main_map@entry=0x560ca30caf10, argc=1, argv=0x7fff1c57a828, env=0x7fff1c57a838) at dl-init.c:119
#12 0x00007f4b273642d3 in dl_open_worker (a=a@entry=0x7fff1c5794a0) at dl-open.c:517
#13 0x00007f4b24c65b2f in __GI__dl_catch_exception (exception=exception@entry=0x7fff1c579480, operate=operate@entry=0x7f4b27363f60 <dl_open_worker>, args=args@entry=0x7fff1c5794a0) at dl-error-skeleton.c:196
#14 0x00007f4b27363bba in _dl_open (file=0x560ca30caea0 "/usr/lib/x86_64-linux-gnu/vlc/plugins/gui/libqt_plugin.so", mode=-2147483647, caller_dlopen=0x7f4a97b4dad0, nsid=<optimized out>, argc=1, argv=0x7fff1c57a828, env=0x7fff1c57a838) at dl-open.c:599
#15 0x00007f4b24162256 in dlopen_doit (a=a@entry=0x7fff1c5796c0) at dlopen.c:66
#16 0x00007f4b24c65b2f in __GI__dl_catch_exception (exception=exception@entry=0x7fff1c579660, operate=operate@entry=0x7f4b24162200 <dlopen_doit>, args=args@entry=0x7fff1c5796c0) at dl-error-skeleton.c:196
#17 0x00007f4b24c65bbf in __GI__dl_catch_error (objname=objname@entry=0x560ca2e329c0, errstring=errstring@entry=0x560ca2e329c8, mallocedp=mallocedp@entry=0x560ca2e329b8, operate=operate@entry=0x7f4b24162200 <dlopen_doit>, args=args@entry=0x7fff1c5796c0) at dl-error-skeleton.c:215
#18 0x00007f4b24162975 in _dlerror_run (operate=operate@entry=0x7f4b24162200 <dlopen_doit>, args=args@entry=0x7fff1c5796c0) at dlerror.c:163
#19 0x00007f4b241622e6 in __dlopen (file=<optimized out>, mode=<optimized out>) at dlopen.c:87
#20 0x00007f4a97b4dad0 in  () at /usr/lib/x86_64-linux-gnu/libvlccore.so.9
#21 0x00007f4a97ac06a0 in  () at /usr/lib/x86_64-linux-gnu/libvlccore.so.9
#22 0x00007f4a97ac05f3 in  () at /usr/lib/x86_64-linux-gnu/libvlccore.so.9
#23 0x00007f4a97ac0b66 in  () at /usr/lib/x86_64-linux-gnu/libvlccore.so.9
#24 0x00007f4a97ac123d in  () at /usr/lib/x86_64-linux-gnu/libvlccore.so.9
#25 0x00007f4a97aa8af4 in libvlc_InternalInit () at /usr/lib/x86_64-linux-gnu/libvlccore.so.9
#26 0x00007f4a97871f47 in libvlc_new () at /usr/lib/x86_64-linux-gnu/libvlc.so.5
#27 0x00007f4a97dea564 in LibVLC::init() () at /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_vlc.so
#28 0x00007f4a97dccdf6 in Phonon::VLC::Backend::Backend(QObject*, QList<QVariant> const&) () at /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_vlc.so
#29 0x00007f4a97dcda73 in qt_plugin_instance () at /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_vlc.so
#30 0x00007f4b25191d0b in QPluginLoader::instance() () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#31 0x00007f4a9cb8fae8 in Phonon::KdePlatformPlugin::createBackend(KSharedPtr<KService>) () at /usr/lib/kde4/plugins/phonon_platform/kde.so
#32 0x00007f4a9cb9029b in Phonon::KdePlatformPlugin::createBackend() () at /usr/lib/kde4/plugins/phonon_platform/kde.so
#33 0x00007f4b2692c399 in Phonon::FactoryPrivate::createBackend() () at /usr/lib/x86_64-linux-gnu/libphonon.so.4
#34 0x00007f4b2692d7c8 in Phonon::Factory::backend(bool) () at /usr/lib/x86_64-linux-gnu/libphonon.so.4
#35 0x00007f4b2692de02 in Phonon::Factory::createAudioOutput(QObject*) () at /usr/lib/x86_64-linux-gnu/libphonon.so.4
#36 0x00007f4b2692145f in Phonon::AudioOutputPrivate::createBackendObject() () at /usr/lib/x86_64-linux-gnu/libphonon.so.4
#37 0x00007f4b2691e95a in Phonon::AudioOutputPrivate::init(Phonon::Category) () at /usr/lib/x86_64-linux-gnu/libphonon.so.4
#38 0x0000560ca22129f8 in  ()
#39 0x0000560ca220e84b in  ()
#40 0x0000560ca220d19c in  ()
#41 0x00007f4b24b5509b in __libc_start_main (main=0x560ca220cef3, argc=1, argv=0x7fff1c57a828, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff1c57a818) at ../csu/libc-start.c:308
#42 0x0000560ca220c14a in _start ()
[Inferior 1 (process 6114) detached]

Reported using DrKonqi