Application: dragon (2.0)
KDE Platform Version: 4.14.2
Qt Version: 4.8.6
Operating System: Linux 3.13.0-37-generic x86_64
Distribution: Linux Mint 17.1 Rebecca

-- Information about the crash:
Opening a DVD, software crashed.  VLC player behaved similarly.
Running Linux Mint 17.1

The crash can be reproduced every time.

-- Backtrace:
Application: Dragon Player (dragon), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f76855e27c0 (LWP 1550))]

Thread 3 (Thread 0x7f766af13700 (LWP 1551)):
#0  0x00007f767e5da40f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f767e5dc9bb in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f767e5dcf7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f767e5dd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7682c7e7be in QEventDispatcherGlib::processEvents (this=0x7f76640008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#5  0x00007f7682c500af in QEventLoop::processEvents (this=this@entry=0x7f766af12de0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f7682c503a5 in QEventLoop::exec (this=this@entry=0x7f766af12de0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f7682b4cc5f in QThread::exec (this=this@entry=0x280c990) at thread/qthread.cpp:537
#8  0x00007f7682c31823 in QInotifyFileSystemWatcherEngine::run (this=0x280c990) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007f7682b4f32f in QThreadPrivate::start (arg=0x280c990) at thread/qthread_unix.cpp:349
#10 0x00007f767f358182 in start_thread (arg=0x7f766af13700) at pthread_create.c:312
#11 0x00007f76821ff47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f766a712700 (LWP 1552)):
[KCrash Handler]
#6  0x00007f768213bcc9 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#7  0x00007f768213f0d8 in __GI_abort () at abort.c:89
#8  0x00007f7682134b86 in __assert_fail_base (fmt=0x7f7682285830 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x7f766a200bbe "0", file=file@entry=0x7f766a200b5f "vm.c", line=line@entry=1545, function=function@entry=0x7f766a201590 <__PRETTY_FUNCTION__.6855> "process_command") at assert.c:92
#9  0x00007f7682134c32 in __GI___assert_fail (assertion=assertion@entry=0x7f766a200bbe "0", file=file@entry=0x7f766a200b5f "vm.c", line=line@entry=1545, function=function@entry=0x7f766a201590 <__PRETTY_FUNCTION__.6855> "process_command") at assert.c:101
#10 0x00007f766a1fdb73 in process_command (vm=vm@entry=0x7f765c003070, link_values=...) at vm.c:1545
#11 0x00007f766a1fde10 in vm_start (vm=0x7f765c003070) at vm.c:298
#12 0x00007f766a1f587c in dvdnav_get_next_cache_block (this=this@entry=0x7f765c0026c0, buf=buf@entry=0x7f766a7110d8, event=event@entry=0x7f766a711148, len=len@entry=0x7f766a711150) at dvdnav.c:475
#13 0x00007f766a1f623d in dvdnav_get_next_block (this=0x7f765c0026c0, buf=buf@entry=0x7f766a7111e0 "", event=event@entry=0x7f766a711148, len=len@entry=0x7f766a711150) at dvdnav.c:440
#14 0x00007f766a40b0e2 in Open (p_this=0x7f765c0010a8) at dvdnav.c:263
#15 0x00007f7671424178 in module_load (obj=obj@entry=0x7f765c0010a8, m=m@entry=0x257a120, init=init@entry=0x7f76714240d0 <generic_start>, args=args@entry=0x7f766a711ad0) at modules/modules.c:185
#16 0x00007f767142472e in vlc_module_load (obj=obj@entry=0x7f765c0010a8, capability=capability@entry=0x7f767145b052 "access_demux", name=0x7f765c000ff3 "", strict=strict@entry=true, probe=probe@entry=0x7f76714240d0 <generic_start>) at modules/modules.c:277
#17 0x00007f7671424c04 in module_need (obj=obj@entry=0x7f765c0010a8, cap=cap@entry=0x7f767145b052 "access_demux", name=<optimized out>, strict=strict@entry=true) at modules/modules.c:366
#18 0x00007f76713e4248 in demux_New (p_obj=p_obj@entry=0x29008d8, p_parent_input=p_parent_input@entry=0x29008d8, psz_access=0x7f765c000fd0 "dvd", psz_demux=0x7f7671470ca5 "", psz_location=<optimized out>, s=s@entry=0x0, out=0x7f765c0008e0, b_quick=b_quick@entry=false) at input/demux.c:194
#19 0x00007f76713f0b96 in InputSourceInit (p_input=p_input@entry=0x29008d8, in=0x2932290, psz_mrl=0x2525a80 "dvd:///dev/sr0", psz_forced_demux=psz_forced_demux@entry=0x0, b_in_can_fail=b_in_can_fail@entry=false) at input/input.c:2360
#20 0x00007f76713f1b6b in Init (p_input=p_input@entry=0x29008d8) at input/input.c:1225
#21 0x00007f76713f50e6 in Run (obj=0x29008d8) at input/input.c:521
#22 0x00007f767f358182 in start_thread (arg=0x7f766a712700) at pthread_create.c:312
#23 0x00007f76821ff47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f76855e27c0 (LWP 1550)):
#0  0x00007f767f35966b in pthread_join (threadid=140146568668928, thread_return=thread_return@entry=0x0) at pthread_join.c:92
#1  0x00007f767143c5c5 in vlc_join (handle=<optimized out>, result=result@entry=0x0) at posix/thread.c:749
#2  0x00007f76713f03ce in input_Join (p_input=p_input@entry=0x29008d8) at input/input.c:256
#3  0x00007f76713f03e9 in input_Close (p_input=0x29008d8) at input/input.c:271
#4  0x00007f76711a0a3e in release_input_thread (p_mi=p_mi@entry=0x22ff7e8, b_input_abort=b_input_abort@entry=true) at media_player.c:124
#5  0x00007f76711a171e in libvlc_media_player_destroy (p_mi=0x22ff7e8) at media_player.c:557
#6  libvlc_media_player_release (p_mi=0x22ff7e8) at media_player.c:586
#7  0x00007f76716bbdbb in ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_vlc.so
#8  0x00007f7682c68168 in QObjectPrivate::deleteChildren (this=this@entry=0x24ef730) at kernel/qobject.cpp:1907
#9  0x00007f7682c6a6ff in QObject::~QObject (this=0x22e7580, __in_chrg=<optimized out>) at kernel/qobject.cpp:926
#10 0x00007f76716b5bb9 in ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_vlc.so
#11 0x00007f76846e5524 in Phonon::MediaNodePrivate::deleteBackendObject() () from /usr/lib/x86_64-linux-gnu/libphonon.so.4
#12 0x00007f76846d2cce in ?? () from /usr/lib/x86_64-linux-gnu/libphonon.so.4
#13 0x00007f76846d2f89 in ?? () from /usr/lib/x86_64-linux-gnu/libphonon.so.4
#14 0x00007f7682141259 in __run_exit_handlers (status=1, listp=0x7f76824c36c8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true) at exit.c:82
#15 0x00007f76821412a5 in __GI_exit (status=<optimized out>) at exit.c:104
#16 0x00007f76831e9878 in qt_xio_errhandler () at kernel/qapplication_x11.cpp:783
#17 0x00007f7684b40880 in KApplication::xioErrhandler (this=0x7fff2a1138e0, dpy=0x212aa00) at ../../kdeui/kernel/kapplication.cpp:419
#18 0x00007f768162a5ee in _XIOError () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#19 0x00007f7681627fed in _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#20 0x00007f768161a0db in XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#21 0x00007f768322462c in x11EventSourceCheck (s=0x2128e30) at kernel/qguieventdispatcher_glib.cpp:85
#22 0x00007f767e5dca61 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f767e5dcf7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f767e5dd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f7682c7e7a1 in QEventDispatcherGlib::processEvents (this=0x20ef420, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#26 0x00007f7683224bb6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007f7682c500af in QEventLoop::processEvents (this=this@entry=0x7fff2a113870, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007f7682c503a5 in QEventLoop::exec (this=this@entry=0x7fff2a113870, flags=...) at kernel/qeventloop.cpp:204
#29 0x00007f7682c55b79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#30 0x00007f768318137c in QApplication::exec () at kernel/qapplication.cpp:3828
#31 0x0000000000419310 in main (argc=1, argv=0x7fff2a113a08) at ../../../src/app/main.cpp:55

Possible duplicates by query: bug 336872, bug 335928, bug 335915.

Reported using DrKonqi