Bug 357869

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:
- What I was doing when the application crashed:

I opened a DVD with the player and clicked on 'Disc'.
DVD: Children's classic CS Lewis The Chronicles of Narnia - The Lion the Witch and the Wardrobe
BBC Daily Mail

The crash can be reproduced every time.

-- Backtrace:
Application: Dragon Player (dragon), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4778ee07c0 (LWP 23482))]

Thread 4 (Thread 0x7f475feb4700 (LWP 23484)):
#0  0x00007f4775af312d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f4773900031 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007f47738f183c in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f47738f1ece in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f47738f1f80 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f47738fffe3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f477015ef08 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so
#7  0x00007f4772c59182 in start_thread (arg=0x7f475feb4700) at pthread_create.c:312
#8  0x00007f4775b0047d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7f475b308700 (LWP 23485)):
#0  __pthread_mutex_unlock_usercnt (decr=1, mutex=0x7f474c000a60) at pthread_mutex_unlock.c:57
#1  __GI___pthread_mutex_unlock (mutex=0x7f474c000a60) at pthread_mutex_unlock.c:310
#2  0x00007f4771f1f9b1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4771edde9d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4771ede0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f477657f7be in QEventDispatcherGlib::processEvents (this=0x7f474c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0x00007f47765510af in QEventLoop::processEvents (this=this@entry=0x7f475b307de0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f47765513a5 in QEventLoop::exec (this=this@entry=0x7f475b307de0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f477644dc5f in QThread::exec (this=this@entry=0xefbdb0) at thread/qthread.cpp:537
#9  0x00007f4776532823 in QInotifyFileSystemWatcherEngine::run (this=0xefbdb0) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f477645032f in QThreadPrivate::start (arg=0xefbdb0) at thread/qthread_unix.cpp:349
#11 0x00007f4772c59182 in start_thread (arg=0x7f475b308700) at pthread_create.c:312
#12 0x00007f4775b0047d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f475ab07700 (LWP 23486)):
[KCrash Handler]
#6  0x00007f475a5f2601 in set_VTS_PTT (vm=0x7f47500030a0, vtsN=1, vts_ttn=1, part=1) at src/vm/getset.c:69
#7  0x00007f475a5f174d in vm_jump_title_part (vm=0x7f47500030a0, title=title@entry=1, part=part@entry=1) at src/vm/vm.c:571
#8  0x00007f475a5eba73 in dvdnav_part_play (this=0x7f47500026f0, title=title@entry=1, part=part@entry=1) at src/navigation.c:238
#9  0x00007f475a5ebaaa in dvdnav_title_play (this=<optimized out>, title=title@entry=1) at src/navigation.c:172
#10 0x00007f475a8002bb in CommonOpen (p_this=p_this@entry=0x7f47500010a8, p_dvdnav=<optimized out>, b_readahead=b_readahead@entry=true) at access/dvdnav.c:296
#11 0x00007f475a800a3a in AccessDemuxOpen (p_this=0x7f47500010a8) at access/dvdnav.c:395
#12 0x00007f4764db0428 in module_load (obj=obj@entry=0x7f47500010a8, m=m@entry=0xbdebb0, init=init@entry=0x7f4764db0380 <generic_start>, args=args@entry=0x7f475ab06ab0) at modules/modules.c:185
#13 0x00007f4764db09de in vlc_module_load (obj=obj@entry=0x7f47500010a8, capability=capability@entry=0x7f4764deed0f "access_demux", name=0x7f4750001143 "", strict=strict@entry=true, probe=probe@entry=0x7f4764db0380 <generic_start>) at modules/modules.c:277
#14 0x00007f4764db0eb4 in module_need (obj=obj@entry=0x7f47500010a8, cap=cap@entry=0x7f4764deed0f "access_demux", name=<optimized out>, strict=strict@entry=true) at modules/modules.c:366
#15 0x00007f4764d6635f in demux_New (p_obj=p_obj@entry=0xfd08f8, p_parent_input=p_parent_input@entry=0xfd08f8, psz_access=psz_access@entry=0x7f4750000fd0 "dvd", psz_demux=psz_demux@entry=0x7f4750000ff0 "any", psz_location=psz_location@entry=0x7f4750000fd6 "/dev/sr0", s=s@entry=0x0, out=0x7f47500008e0, b_quick=b_quick@entry=false) at input/demux.c:189
#16 0x00007f4764d75434 in InputSourceInit (p_input=p_input@entry=0xfd08f8, in=0xfe0fd8, psz_mrl=0xb29340 "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:2236
#17 0x00007f4764d76cd3 in Init (p_input=p_input@entry=0xfd08f8) at input/input.c:1212
#18 0x00007f4764d7aa26 in Run (obj=0xfd08f8) at input/input.c:520
#19 0x00007f4772c59182 in start_thread (arg=0x7f475ab07700) at pthread_create.c:312
#20 0x00007f4775b0047d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f4778ee07c0 (LWP 23482)):
#0  0x00007f4775af182d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f4771f1ec10 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4771eddb14 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4771eddf7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4771ede0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f477657f7a1 in QEventDispatcherGlib::processEvents (this=0x7d96e0, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#6  0x00007f4776b25be6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#7  0x00007f47765510af in QEventLoop::processEvents (this=this@entry=0x7fffe2c27a30, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f47765513a5 in QEventLoop::exec (this=this@entry=0x7fffe2c27a30, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f4776556b79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#10 0x00007f4776a8237c in QApplication::exec () at kernel/qapplication.cpp:3828
#11 0x0000000000419310 in main (argc=1, argv=0x7fffe2c27bc8) at ../../../src/app/main.cpp:55

Reported using DrKonqi