Application: k3b (2.0.0)
KDE Platform Version: 4.4.5 (KDE 4.4.5)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-29-generic i686
Distribution: Ubuntu 10.04.2 LTS

-- Information about the crash:
K3B crased after opened the Avidemux software

The crash can be reproduced some of the time.

 -- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7777710 (LWP 1733))]

Thread 3 (Thread 0xb55cab70 (LWP 1953)):
#0  0x006d4422 in __kernel_vsyscall ()
#1  0x009bf342 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x07992c1e in thread_sleep (ti=0x1) at thread/qthread_unix.cpp:398
#3  0x07992dc0 in QThread::sleep (secs=2) at thread/qthread_unix.cpp:412
#4  0x008804e9 in K3b::MediaCache::PollThread::run (this=0xa383c50) at /build/buildd/k3b-2.0.0/libk3b/tools/k3bmediacache.cpp:106
#5  0x0799332e in QThreadPrivate::start (arg=0xa383c50) at thread/qthread_unix.cpp:248
#6  0x009ba96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0x02ac6a4e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xb4b7fb70 (LWP 1954)):
#0  0x006d4422 in __kernel_vsyscall ()
#1  0x009bf342 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x07992c1e in thread_sleep (ti=0x1) at thread/qthread_unix.cpp:398
#3  0x07992dc0 in QThread::sleep (secs=2) at thread/qthread_unix.cpp:412
#4  0x008804e9 in K3b::MediaCache::PollThread::run (this=0xa585b40) at /build/buildd/k3b-2.0.0/libk3b/tools/k3bmediacache.cpp:106
#5  0x0799332e in QThreadPrivate::start (arg=0xa585b40) at thread/qthread_unix.cpp:248
#6  0x009ba96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0x02ac6a4e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb7777710 (LWP 1733)):
[KCrash Handler]
#6  0x08163192 in K3b::MetaItemModel::slotRowsAboutToBeRemoved (this=0xa422f98, parent=..., start=1, end=1) at /build/buildd/k3b-2.0.0/src/k3bmetaitemmodel.cpp:902
#7  0x08165b7c in K3b::MetaItemModel::qt_metacall (this=0xa422f98, _c=QMetaObject::InvokeMetaMethod, _id=29, _a=0xbfa65f40) at /build/buildd/k3b-2.0.0/obj-i486-linux-gnu/src/k3bmetaitemmodel.moc:95
#8  0x08167e0f in K3b::PlacesModel::qt_metacall (this=0xa422f98, _c=QMetaObject::InvokeMetaMethod, _id=29, _a=0xbfa65f40) at /build/buildd/k3b-2.0.0/obj-i486-linux-gnu/src/k3bplacesmodel.moc:77
#9  0x07a9ac9a in QMetaObject::metacall (object=0xa422f98, cl=QMetaObject::InvokeMetaMethod, idx=29, argv=0xbfa65f40) at kernel/qmetaobject.cpp:237
#10 0x07aa93d5 in QMetaObject::activate (sender=0xa437a10, m=0x81f2e70, local_signal_index=6, argv=0xbfa65f40) at kernel/qobject.cpp:3293
#11 0x07af9c2f in QAbstractItemModel::rowsAboutToBeRemoved (this=0xa437a10, _t1=..., _t2=1, _t3=1) at .moc/release-shared/moc_qabstractitemmodel.cpp:188
#12 0x07a8d105 in QAbstractItemModel::beginRemoveRows (this=0xa437a10, parent=..., first=1, last=1) at kernel/qabstractitemmodel.cpp:2447
#13 0x01b2228d in QSortFilterProxyModelPrivate::remove_proxy_interval (this=0xa437c28, source_to_proxy=..., proxy_to_source=..., proxy_start=1, proxy_end=1, proxy_parent=..., orient=Qt::Vertical, 
    emit_signal=true) at itemviews/qsortfilterproxymodel.cpp:518
#14 0x01b244c8 in QSortFilterProxyModelPrivate::remove_source_items (this=0xa437c28, source_to_proxy=..., proxy_to_source=..., source_items=..., source_parent=..., orient=Qt::Vertical, 
    emit_signal=true) at itemviews/qsortfilterproxymodel.cpp:500
#15 0x01b24708 in QSortFilterProxyModelPrivate::source_items_about_to_be_removed (this=0xa437c28, source_parent=..., start=18, end=18, orient=Qt::Vertical) at itemviews/qsortfilterproxymodel.cpp:801
#16 0x01b2483e in QSortFilterProxyModelPrivate::_q_sourceRowsAboutToBeRemoved (this=0xa437c28, source_parent=..., start=18, end=18) at itemviews/qsortfilterproxymodel.cpp:1251
#17 0x01b28def in QSortFilterProxyModel::qt_metacall (this=0xa437a10, _c=QMetaObject::InvokeMetaMethod, _id=13, _a=0xbfa66260) at .moc/release-shared/moc_qsortfilterproxymodel.cpp:136
#18 0x005d1f2a in KDirSortFilterProxyModel::qt_metacall (this=0xa437a10, _c=QMetaObject::InvokeMetaMethod, _id=38, _a=0xbfa66260) at ./kdirsortfilterproxymodel.moc:68
#19 0x07a9ac9a in QMetaObject::metacall (object=0xa437a10, cl=QMetaObject::InvokeMetaMethod, idx=38, argv=0xbfa66260) at kernel/qmetaobject.cpp:237
#20 0x07aa93d5 in QMetaObject::activate (sender=0xa395fd0, m=0x81f2e70, local_signal_index=6, argv=0xbfa66260) at kernel/qobject.cpp:3293
#21 0x07af9c2f in QAbstractItemModel::rowsAboutToBeRemoved (this=0xa395fd0, _t1=..., _t2=18, _t3=18) at .moc/release-shared/moc_qabstractitemmodel.cpp:188
#22 0x07a8d105 in QAbstractItemModel::beginRemoveRows (this=0xa395fd0, parent=..., first=18, last=18) at kernel/qabstractitemmodel.cpp:2447
#23 0x0035f357 in KDirModelPrivate::_k_slotDeleteItems (this=0xa38bf60, items=...) at ../../kio/kio/kdirmodel.cpp:469
#24 0x0035f890 in KDirModel::qt_metacall (this=0xa395fd0, _c=QMetaObject::InvokeMetaMethod, _id=27, _a=0xbfa664a8) at ./kdirmodel.moc:89
#25 0x07a9ac9a in QMetaObject::metacall (object=0xa395fd0, cl=QMetaObject::InvokeMetaMethod, idx=27, argv=0xbfa664a8) at kernel/qmetaobject.cpp:237
#26 0x07aa93d5 in QMetaObject::activate (sender=0xa436a70, m=0x4cefbc, local_signal_index=13, argv=0xbfa664a8) at kernel/qobject.cpp:3293
#27 0x0033fda3 in KDirLister::itemsDeleted (this=0xa436a70, _t1=...) at ./kdirlister.moc:295
#28 0x00340f89 in KDirLister::Private::emitItemsDeleted (this=0xa436b00, _items=...) at ../../kio/kio/kdirlister.cpp:2407
#29 0x0034ca76 in KDirListerCache::itemsDeleted (this=0xa431070, listers=..., deletedItems=...) at ../../kio/kio/kdirlister.cpp:1755
#30 0x0034cca4 in KDirListerCache::deleteUnmarkedItems (this=0xa431070, listers=..., lstItems=...) at ../../kio/kio/kdirlister.cpp:1749
#31 0x0034d654 in KDirListerCache::slotUpdateResult (this=0xa431070, j=0xa79af10) at ../../kio/kio/kdirlister.cpp:1685
#32 0x00355227 in KDirListerCache::qt_metacall (this=0xa431070, _c=QMetaObject::InvokeMetaMethod, _id=15, _a=0xbfa66858) at ./kdirlister_p.moc:108
#33 0x07a9ac9a in QMetaObject::metacall (object=0xa431070, cl=QMetaObject::InvokeMetaMethod, idx=15, argv=0xbfa66858) at kernel/qmetaobject.cpp:237
#34 0x07aa93d5 in QMetaObject::activate (sender=0xa79af10, m=0x3746c88, local_signal_index=3, argv=0xbfa66858) at kernel/qobject.cpp:3293
#35 0x035d81e3 in KJob::result (this=0xa79af10, _t1=0xa79af10) at ./kjob.moc:194
#36 0x035d8548 in KJob::emitResult (this=0xa79af10) at ../../kdecore/jobs/kjob.cpp:312
#37 0x00321c60 in KIO::SimpleJob::slotFinished (this=0xa79af10) at ../../kio/kio/job.cpp:517
#38 0x00321dce in KIO::ListJob::slotFinished (this=0xa79af10) at ../../kio/kio/job.cpp:2544
#39 0x003259de in KIO::ListJob::qt_metacall (this=0xa79af10, _c=QMetaObject::InvokeMetaMethod, _id=43, _a=0xbfa66abc) at ./jobclasses.moc:818
#40 0x07a9ac9a in QMetaObject::metacall (object=0xa79af10, cl=QMetaObject::InvokeMetaMethod, idx=43, argv=0xbfa66abc) at kernel/qmetaobject.cpp:237
#41 0x07aa93d5 in QMetaObject::activate (sender=0xa799e28, m=0x4d0f44, local_signal_index=4, argv=0x0) at kernel/qobject.cpp:3293
#42 0x003ec2a7 in KIO::SlaveInterface::finished (this=0xa799e28) at ./slaveinterface.moc:171
#43 0x003ef5cd in KIO::SlaveInterface::dispatch (this=0xa799e28, _cmd=104, rawdata=...) at ../../kio/kio/slaveinterface.cpp:175
#44 0x003ec763 in KIO::SlaveInterface::dispatch (this=0xa799e28) at ../../kio/kio/slaveinterface.cpp:91
#45 0x003dfc28 in KIO::Slave::gotInput (this=0xa799e28) at ../../kio/kio/slave.cpp:324
#46 0x003dfe33 in KIO::Slave::qt_metacall (this=0xa799e28, _c=QMetaObject::InvokeMetaMethod, _id=30, _a=0xbfa66dcc) at ./slave.moc:82
#47 0x07a9ac9a in QMetaObject::metacall (object=0xa799e28, cl=QMetaObject::InvokeMetaMethod, idx=30, argv=0xbfa66dcc) at kernel/qmetaobject.cpp:237
#48 0x07aa93d5 in QMetaObject::activate (sender=0xa5a9ad0, m=0x4cd820, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3293
#49 0x002e9bd7 in KIO::Connection::readyRead (this=0xa5a9ad0) at ./connection.moc:92
#50 0x002ebf8e in KIO::ConnectionPrivate::dequeue (this=0xa272c40) at ../../kio/kio/connection.cpp:82
#51 0x002ec0be in KIO::Connection::qt_metacall (this=0xa5a9ad0, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0xa815840) at ./connection.moc:79
#52 0x07a9ac9a in QMetaObject::metacall (object=0xa5a9ad0, cl=QMetaObject::InvokeMetaMethod, idx=5, argv=0xa815840) at kernel/qmetaobject.cpp:237
#53 0x07aa5336 in QMetaCallEvent::placeMetaCall (this=0xa5b3f08, object=0xa5a9ad0) at kernel/qobject.cpp:561
#54 0x07aa63fe in QObject::event (this=0xa5a9ad0, e=0xa5b3f08) at kernel/qobject.cpp:1248
#55 0x014ed4dc in QApplicationPrivate::notify_helper (this=0xa0ce770, receiver=0xa5a9ad0, e=0xa5b3f08) at kernel/qapplication.cpp:4300
#56 0x014f405e in QApplication::notify (this=0xbfa67730, receiver=0xa5a9ad0, e=0xa5b3f08) at kernel/qapplication.cpp:3704
#57 0x011e040a in KApplication::notify (this=0xbfa67730, receiver=0xa5a9ad0, event=0xa5b3f08) at ../../kdeui/kernel/kapplication.cpp:302
#58 0x07a95a3b in QCoreApplication::notifyInternal (this=0xbfa67730, receiver=0xa5a9ad0, event=0xa5b3f08) at kernel/qcoreapplication.cpp:704
#59 0x07a98473 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0xa0ad710) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#60 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xa0ad710) at kernel/qcoreapplication.cpp:1345
#61 0x07a985dd in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1238
#62 0x07ac1adf in QCoreApplication::sendPostedEvents (s=0xa0d40c0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#63 postEventSourceDispatch (s=0xa0d40c0) at kernel/qeventdispatcher_glib.cpp:276
#64 0x072035e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#65 0x072072d8 in ?? () from /lib/libglib-2.0.so.0
#66 0x072074b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#67 0x07ac15d5 in QEventDispatcherGlib::processEvents (this=0xa0ad2a8, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#68 0x015ad135 in QGuiEventDispatcherGlib::processEvents (this=0xa0ad2a8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#69 0x07a94059 in QEventLoop::processEvents (this=0xbfa67684, flags=) at kernel/qeventloop.cpp:149
#70 0x07a944aa in QEventLoop::exec (this=0xbfa67684, flags=...) at kernel/qeventloop.cpp:201
#71 0x07a9869f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#72 0x014ed577 in QApplication::exec () at kernel/qapplication.cpp:3579
#73 0x0817c8b4 in main (argc=2, argv=0xbfa67af4) at /build/buildd/k3b-2.0.0/src/main.cpp:165

Reported using DrKonqi