Bug 270060

Application: k3b (2.0.1)
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-24-generic i686
Distribution: Ubuntu 10.10

-- Information about the crash:
- What I was doing when the application crashed:
I had queued the CDDB and K3b crashed while it was scanning some flac files

-- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7741710 (LWP 28560))]

Thread 4 (Thread 0xb7424b70 (LWP 28561)):
#0  0x006a33eb in pthread_mutex_lock () from /lib/libpthread.so.0
#1  0x088af521 in ?? () from /lib/libglib-2.0.so.0
#2  0x088afba7 in g_main_loop_run () from /lib/libglib-2.0.so.0
#3  0x029009c4 in ?? () from /usr/lib/libgio-2.0.so.0
#4  0x088d648f in ?? () from /lib/libglib-2.0.so.0
#5  0x006a0cc9 in start_thread () from /lib/libpthread.so.0
#6  0x022a269e in clone () from /lib/libc.so.6

Thread 3 (Thread 0xb3170b70 (LWP 28662)):
#0  0x00716416 in __kernel_vsyscall ()
#1  0x006a5884 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x067f833e in thread_sleep (ti=0x1) at thread/qthread_unix.cpp:416
#3  0x067f84e0 in QThread::sleep (secs=2) at thread/qthread_unix.cpp:430
#4  0x00a79da9 in K3b::MediaCache::PollThread::run (this=0xa252ed0) at /build/buildd/k3b-2.0.1/libk3b/tools/k3bmediacache.cpp:106
#5  0x067f8df9 in QThreadPrivate::start (arg=0xa252ed0) at thread/qthread_unix.cpp:266
#6  0x006a0cc9 in start_thread () from /lib/libpthread.so.0
#7  0x022a269e in clone () from /lib/libc.so.6

Thread 2 (Thread 0xb296fb70 (LWP 28663)):
#0  0x00716416 in __kernel_vsyscall ()
#1  0x006a5884 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x067f833e in thread_sleep (ti=0x1) at thread/qthread_unix.cpp:416
#3  0x067f84e0 in QThread::sleep (secs=2) at thread/qthread_unix.cpp:430
#4  0x00a79da9 in K3b::MediaCache::PollThread::run (this=0xa2c2750) at /build/buildd/k3b-2.0.1/libk3b/tools/k3bmediacache.cpp:106
#5  0x067f8df9 in QThreadPrivate::start (arg=0xa2c2750) at thread/qthread_unix.cpp:266
#6  0x006a0cc9 in start_thread () from /lib/libpthread.so.0
#7  0x022a269e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb7741710 (LWP 28560)):
[KCrash Handler]
#7  0x005f721f in KCDDB::CDDBPLookup::~CDDBPLookup (this=0xa7f83d8, __in_chrg=<value optimized out>) at ../../libkcddb/cddbplookup.cpp:38
#8  0x005f9643 in KCDDB::AsyncCDDBPLookup::~AsyncCDDBPLookup (this=0xa7f83d8, __in_chrg=<value optimized out>) at ../../libkcddb/asynccddbplookup.cpp:38
#9  0x005f4456 in qDeleteAll<QList<KCDDB::Lookup*>::const_iterator> (this=0xa67a6d8, r=KCDDB::Success) at /usr/include/qt4/QtCore/qalgorithms.h:322
#10 qDeleteAll<QList<KCDDB::Lookup*> > (this=0xa67a6d8, r=KCDDB::Success) at /usr/include/qt4/QtCore/qalgorithms.h:330
#11 KCDDB::Client::slotFinished (this=0xa67a6d8, r=KCDDB::Success) at ../../libkcddb/client.cpp:246
#12 0x005f4667 in KCDDB::Client::qt_metacall (this=0xa67a6d8, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0xbfb108a8) at ./client.moc:79
#13 0x069008ca in QMetaObject::metacall (object=0xa67a6d8, cl=176129040, idx=5, argv=0xbfb108a8) at kernel/qmetaobject.cpp:237
#14 0x069136ad in QMetaObject::activate (sender=0xa69e43c, m=0x6202e4, local_signal_index=0, argv=0x61376430) at kernel/qobject.cpp:3280
#15 0x005e98e6 in KCDDB::AsyncMusicBrainzLookup::finished (this=0xa69e428, _t1=KCDDB::Success) at ./asyncmusicbrainzlookup.moc:89
#16 0x005e9d35 in KCDDB::AsyncMusicBrainzLookup::lookupFinished (this=0xa69e428) at ../../libkcddb/musicbrainz/asyncmusicbrainzlookup.cpp:75
#17 0x005e9f98 in KCDDB::AsyncMusicBrainzLookup::qt_metacall (this=0xa69e428, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0xa27b3e8) at ./asyncmusicbrainzlookup.moc:77
#18 0x069008ca in QMetaObject::metacall (object=0xa69e43c, cl=176129040, idx=5, argv=0xa27b3e8) at kernel/qmetaobject.cpp:237
#19 0x0690bdf6 in QMetaCallEvent::placeMetaCall (this=0xa70e808, object=0xa69e43c) at kernel/qobject.cpp:534
#20 0x0690d6a2 in QObject::event (this=0xa69e43c, e=0x620601) at kernel/qobject.cpp:1219
#21 0x02d5afdc in QApplicationPrivate::notify_helper (this=0xa094408, receiver=0xa69e43c, e=0xa70e808) at kernel/qapplication.cpp:4396
#22 0x02d6104e in QApplication::notify (this=0xbfb124b8, receiver=0xa69e43c, e=0xa70e808) at kernel/qapplication.cpp:3798
#23 0x05e5868a in KApplication::notify (this=0xbfb124b8, receiver=0xa69e43c, event=0xa70e808) at ../../kdeui/kernel/kapplication.cpp:310
#24 0x068fab3b in QCoreApplication::notifyInternal (this=0xbfb124b8, receiver=0xa69e43c, event=0xa70e808) at kernel/qcoreapplication.cpp:732
#25 0x068fdd8b in sendEvent (receiver=0x0, event_type=0, data=0xa071e98) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#26 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xa071e98) at kernel/qcoreapplication.cpp:1373
#27 0x068fdf4d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1266
#28 0x06929a74 in sendPostedEvents (s=0xa09fea8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#29 postEventSourceDispatch (s=0xa09fea8) at kernel/qeventdispatcher_glib.cpp:277
#30 0x088ab855 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#31 0x088af668 in ?? () from /lib/libglib-2.0.so.0
#32 0x088af848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#33 0x06929565 in QEventDispatcherGlib::processEvents (this=0xa071b58, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#34 0x02e1cbe5 in QGuiEventDispatcherGlib::processEvents (this=0xa071b58, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#35 0x068f9609 in QEventLoop::processEvents (this=0xbfb11150, flags=) at kernel/qeventloop.cpp:149
#36 0x068f9a8a in QEventLoop::exec (this=0xbfb11150, flags=...) at kernel/qeventloop.cpp:201
#37 0x032c5873 in QDialog::exec (this=0xa6090d8) at dialogs/qdialog.cpp:552
#38 0x00a666f9 in K3b::ProgressDialog::exec (this=0xa6090d8, progress=false) at /build/buildd/k3b-2.0.1/libk3b/tools/k3bprogressdialog.cpp:68
#39 0x07baacec in K3bAudioProjectCddbPlugin::activate (this=0xa2b1f28, doc=0xa5f2330, parent=0xa592e20) at /build/buildd/k3b-2.0.1/plugins/project/audioprojectcddb/k3baudioprojectcddbplugin.cpp:79
#40 0x08108810 in K3b::View::slotPluginButtonClicked (this=0xa592e20) at /build/buildd/k3b-2.0.1/src/projects/k3bview.cpp:148
#41 0x08108945 in K3b::View::qt_metacall (this=0xa592e20, _c=QMetaObject::InvokeMetaMethod, _id=31, _a=0xbfb11478) at /build/buildd/k3b-2.0.1/obj-i686-linux-gnu/src/k3bview.moc:84
#42 0x0810a79f in K3b::StandardView::qt_metacall (this=0xa592e20, _c=QMetaObject::InvokeMetaMethod, _id=31, _a=0xbfb11478) at /build/buildd/k3b-2.0.1/obj-i686-linux-gnu/src/k3bstandardview.moc:87
#43 0x080b8f1f in K3b::AudioView::qt_metacall (this=0xa592e20, _c=QMetaObject::InvokeMetaMethod, _id=31, _a=0xbfb11478) at /build/buildd/k3b-2.0.1/obj-i686-linux-gnu/src/k3baudioview.moc:81
#44 0x069008ca in QMetaObject::metacall (object=0xa592e20, cl=176129040, idx=31, argv=0xbfb11478) at kernel/qmetaobject.cpp:237
#45 0x069136ad in QMetaObject::activate (sender=0xa65b020, m=0x36d9370, local_signal_index=1, argv=0x61376430) at kernel/qobject.cpp:3280
#46 0x02d52f99 in QAction::triggered (this=0xa65b020, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#47 0x02d548dc in QAction::activate (this=0xa65b020, event=QAction::Trigger) at kernel/qaction.cpp:1256
#48 0x03271082 in trigger (this=0x620601) at ../../include/QtGui/../../src/gui/kernel/qaction.h:218
#49 QToolButton::nextCheckState (this=0x620601) at widgets/qtoolbutton.cpp:1147
#50 0x0318a6b3 in QAbstractButtonPrivate::click (this=0xa659800) at widgets/qabstractbutton.cpp:528
#51 0x0318a9ae in QAbstractButton::mouseReleaseEvent (this=0xa6597e8, e=0xbfb11bf0) at widgets/qabstractbutton.cpp:1121
#52 0x0327154c in QToolButton::mouseReleaseEvent (this=0xa6597e8, e=0xbfb11bf0) at widgets/qtoolbutton.cpp:721
#53 0x02db8e08 in QWidget::event (this=0xa6597e8, event=0xbfb11bf0) at kernel/qwidget.cpp:8187
#54 0x03188e9e in QAbstractButton::event (this=0xa6597e8, e=0x620601) at widgets/qabstractbutton.cpp:1080
#55 0x032740ca in QToolButton::event (this=0xa6597e8, event=0xbfb11bf0) at widgets/qtoolbutton.cpp:1163
#56 0x02d5afdc in QApplicationPrivate::notify_helper (this=0xa094408, receiver=0xa6597e8, e=0xbfb11bf0) at kernel/qapplication.cpp:4396
#57 0x02d61c2e in QApplication::notify (this=0xbfb124b8, receiver=0xa6597e8, e=0xbfb11bf0) at kernel/qapplication.cpp:3959
#58 0x05e5868a in KApplication::notify (this=0xbfb124b8, receiver=0xa6597e8, event=0xbfb11bf0) at ../../kdeui/kernel/kapplication.cpp:310
#59 0x068fab3b in QCoreApplication::notifyInternal (this=0xbfb124b8, receiver=0xa6597e8, event=0xbfb11bf0) at kernel/qcoreapplication.cpp:732
#60 0x02d60094 in sendEvent (receiver=0xa6597e8, event=0xbfb11bf0, alienWidget=0xa6597e8, nativeWidget=0xa4229c0, buttonDown=0x36f53c0, lastMouseReceiver=..., spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#61 QApplicationPrivate::sendMouseEvent (receiver=0xa6597e8, event=0xbfb11bf0, alienWidget=0xa6597e8, nativeWidget=0xa4229c0, buttonDown=0x36f53c0, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3058
#62 0x02deed10 in QETWidget::translateMouseEvent (this=0xa4229c0, event=0xbfb1210c) at kernel/qapplication_x11.cpp:4403
#63 0x02dee151 in QApplication::x11ProcessEvent (this=0xbfb124b8, event=0xbfb1210c) at kernel/qapplication_x11.cpp:3414
#64 0x02e1d36a in x11EventSourceDispatch (s=0xa0a0a00, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#65 0x088ab855 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#66 0x088af668 in ?? () from /lib/libglib-2.0.so.0
#67 0x088af848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#68 0x06929565 in QEventDispatcherGlib::processEvents (this=0xa071b58, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#69 0x02e1cbe5 in QGuiEventDispatcherGlib::processEvents (this=0xa071b58, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#70 0x068f9609 in QEventLoop::processEvents (this=0xbfb12404, flags=) at kernel/qeventloop.cpp:149
#71 0x068f9a8a in QEventLoop::exec (this=0xbfb12404, flags=...) at kernel/qeventloop.cpp:201
#72 0x068fe00f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#73 0x02d59e07 in QApplication::exec () at kernel/qapplication.cpp:3672
#74 0x0817ca62 in main (argc=1, argv=0xbfb12884) at /build/buildd/k3b-2.0.1/src/main.cpp:165

Possible duplicates by query: bug 262612.

Reported using DrKonqi