Bug 302218

Application: k3b (2.0.2)
KDE Platform Version: 4.8.3 (4.8.3)
Qt Version: 4.8.2
Operating System: Linux 3.3.8-1.fc16.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:
Opened a DVD through K3b - it crashes
I had just installed the latest version of transcode (in my repositories) via yum

The crash can be reproduced every time.

-- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f46d9e51840 (LWP 8977))]

Thread 3 (Thread 0x7f46c9501700 (LWP 8978)):
#0  0x00000031184e85c3 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x000000311ac45448 in g_main_context_poll (n_fds=1, fds=0x7f46c4002450, priority=<optimized out>, timeout=-1, context=0x7f46c40009a0) at gmain.c:3402
#2  g_main_context_iterate (context=0x7f46c40009a0, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3084
#3  0x000000311ac4590c in g_main_context_iteration (context=0x7f46c40009a0, may_block=1) at gmain.c:3152
#4  0x0000003124da9246 in QEventDispatcherGlib::processEvents (this=0x7f46c40008c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:426
#5  0x0000003124d79312 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x0000003124d79567 in QEventLoop::exec (this=0x7f46c9500d10, flags=...) at kernel/qeventloop.cpp:204
#7  0x0000003124c78b87 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x0000003124d58f9f in QInotifyFileSystemWatcherEngine::run (this=0x1a07030) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x0000003124c7bbcb in QThreadPrivate::start (arg=0x1a07030) at thread/qthread_unix.cpp:307
#10 0x0000003119007d90 in start_thread (arg=0x7f46c9501700) at pthread_create.c:309
#11 0x00000031184f0f5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7f46bdf71700 (LWP 9005)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
#1  0x0000003124c7a898 in thread_sleep (ti=0x7f46bdf70d10) at thread/qthread_unix.cpp:444
#2  0x0000003124c7aff6 in QThread::sleep (secs=<optimized out>) at thread/qthread_unix.cpp:458
#3  0x00000031266b235a in K3b::MediaCache::PollThread::run (this=0x1b2f0a0) at /usr/src/debug/k3b-2.0.2/libk3b/tools/k3bmediacache.cpp:106
#4  0x0000003124c7bbcb in QThreadPrivate::start (arg=0x1b2f0a0) at thread/qthread_unix.cpp:307
#5  0x0000003119007d90 in start_thread (arg=0x7f46bdf71700) at pthread_create.c:309
#6  0x00000031184f0f5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f46d9e51840 (LWP 8977)):
[KCrash Handler]
#6  QString (other=) at /usr/include/QtCore/qstring.h:725
#7  KTempDir::name (this=0x0) at /usr/src/debug/kdelibs-4.8.3/kdecore/io/ktempdir.cpp:170
#8  0x000000000055bfdc in K3b::VideoDVDRippingPreview::slotTranscodeFinished (this=0x1be60b0) at /usr/src/debug/k3b-2.0.2/src/rip/videodvd/k3bvideodvdrippingpreview.cpp:125
#9  0x0000003124d8e191 in QMetaObject::activate (sender=0x1f95400, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff619ff840) at kernel/qobject.cpp:3547
#10 0x00000031266b699f in K3bQProcess::finished (this=<optimized out>, _t1=0, _t2=QProcess::CrashExit) at /usr/src/debug/k3b-2.0.2/x86_64-redhat-linux-gnu/libk3b/moc_k3bqprocess.cpp:162
#11 0x00000031266ba2b9 in K3bQProcessPrivate::_q_notifyProcessDied (this=0x1fb32e0) at /usr/src/debug/k3b-2.0.2/libk3b/tools/qprocess/k3bqprocess.cpp:762
#12 0x00000031266bd33d in K3bQProcessPrivate::waitForFinished (this=0x1fb32e0, msecs=30000) at /usr/src/debug/k3b-2.0.2/libk3b/tools/qprocess/k3bqprocess_unix.cpp:1199
#13 0x00000031266b6afb in K3bQProcess::waitForFinished (this=0x1f95400, msecs=30000) at /usr/src/debug/k3b-2.0.2/libk3b/tools/qprocess/k3bqprocess.cpp:1428
#14 0x00000031266b6e53 in K3bQProcess::~K3bQProcess (this=0x1f95400, __in_chrg=<optimized out>) at /usr/src/debug/k3b-2.0.2/libk3b/tools/qprocess/k3bqprocess.cpp:895
#15 0x00000031266b5309 in K3b::Process::~Process (this=0x1f95400, __in_chrg=<optimized out>) at /usr/src/debug/k3b-2.0.2/libk3b/tools/k3bprocess.cpp:119
#16 0x0000003124d933f8 in QObject::event (this=0x1f95400, e=<optimized out>) at kernel/qobject.cpp:1176
#17 0x00000031291c9ae4 in notify_helper (e=0x1f2f3c0, receiver=0x1f95400, this=0x1898d30) at kernel/qapplication.cpp:4551
#18 QApplicationPrivate::notify_helper (this=0x1898d30, receiver=0x1f95400, e=0x1f2f3c0) at kernel/qapplication.cpp:4523
#19 0x00000031291ce8b3 in QApplication::notify (this=0x7fff61a00580, receiver=0x1f95400, e=0x1f2f3c0) at kernel/qapplication.cpp:4412
#20 0x000000312ac51ff6 in KApplication::notify (this=0x7fff61a00580, receiver=0x1f95400, event=0x1f2f3c0) at /usr/src/debug/kdelibs-4.8.3/kdeui/kernel/kapplication.cpp:311
#21 0x0000003124d7a48c in QCoreApplication::notifyInternal (this=0x7fff61a00580, receiver=0x1f95400, event=0x1f2f3c0) at kernel/qcoreapplication.cpp:915
#22 0x0000003124d7df2a in sendEvent (event=0x1f2f3c0, receiver=0x1f95400) at kernel/qcoreapplication.h:231
#23 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x180ac80) at kernel/qcoreapplication.cpp:1539
#24 0x0000003124da8db3 in sendPostedEvents () at kernel/qcoreapplication.h:236
#25 postEventSourceDispatch (s=0x18867a0) at kernel/qeventdispatcher_glib.cpp:279
#26 0x000000311ac44f3d in g_main_dispatch (context=0x1887f10) at gmain.c:2441
#27 g_main_context_dispatch (context=0x1887f10) at gmain.c:3011
#28 0x000000311ac45738 in g_main_context_iterate (context=0x1887f10, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3089
#29 0x000000311ac4590c in g_main_context_iteration (context=0x1887f10, may_block=1) at gmain.c:3152
#30 0x0000003124da91df in QEventDispatcherGlib::processEvents (this=0x1897f10, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#31 0x000000312926c81e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:207
#32 0x0000003124d79312 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#33 0x0000003124d79567 in QEventLoop::exec (this=0x7fff61a00500, flags=...) at kernel/qeventloop.cpp:204
#34 0x0000003124d7e225 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#35 0x0000000000444fa1 in main (argc=1, argv=0x7fff61a01138) at /usr/src/debug/k3b-2.0.2/src/main.cpp:151

Possible duplicates by query: bug 280467, bug 277153.

Reported using DrKonqi