Application that crashed: ktorrent
Version of the application: 3.2.1
KDE Version: 4.2.90 (KDE 4.2.90 (KDE 4.3 Beta2))
Qt Version: 4.5.0
Operating System: Linux 2.6.28-11-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
changing down/up limit via tray icon results in crash occasionally

 -- Backtrace:
Application: KTorrent (ktorrent), signal: Segmentation fault
[Current thread is 0 (LWP 4397)]

Thread 7 (Thread 0xb40d3b90 (LWP 4399)):
#0  0xb7f2a430 in __kernel_vsyscall ()
#1  0xb5bd1412 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb64f1344 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb31f9ae3 in ?? () from /usr/lib/libxine.so.1

Thread 6 (Thread 0xb22eab90 (LWP 4400)):
#0  0xb5b900ac in clock_gettime () from /lib/tls/i686/cmov/librt.so.1
#1  0xb71ed06b in QTimerInfoList::getTime (this=0x8b46314, t=@0x8b46338) at kernel/qeventdispatcher_unix.cpp:339
#2  0xb71ed241 in QTimerInfoList::updateCurrentTime (this=0x8b46314) at kernel/qeventdispatcher_unix.cpp:297
#3  0xb71eee2c in QTimerInfoList::timerWait (this=0x8b46314, tm=@0xb22ea124) at kernel/qeventdispatcher_unix.cpp:420
#4  0xb71eb61a in timerSourcePrepare (source=0xb5b93ff4, timeout=0xb22ea178) at kernel/qeventdispatcher_glib.cpp:140
#5  0xb5b0f9c0 in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#6  0xb5b0fdda in ?? () from /usr/lib/libglib-2.0.so.0
#7  0xb5b10268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#8  0xb71eb457 in QEventDispatcherGlib::processEvents (this=0x8ad42f0, flags={i = -1305566616}) at kernel/qeventdispatcher_glib.cpp:325
#9  0xb71be06a in QEventLoop::processEvents (this=0xb22ea2e0, flags={i = -1305566552}) at kernel/qeventloop.cpp:149
#10 0xb71be4aa in QEventLoop::exec (this=0xb22ea2e0, flags={i = -1305566488}) at kernel/qeventloop.cpp:200
#11 0xb70c8639 in QThread::exec (this=0x8b0fa08) at thread/qthread.cpp:481
#12 0xb324720a in ?? () from /usr/lib/kde4/plugins/phonon_backend/phonon_xine.so
#13 0xb70cb96e in QThreadPrivate::start (arg=0x8b0fa08) at thread/qthread_unix.cpp:189
#14 0xb5bcd4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#15 0xb64e249e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 5 (Thread 0xb1ae9b90 (LWP 4408)):
#0  0xb7f2a430 in __kernel_vsyscall ()
#1  0xb64d7ae7 in poll () from /lib/tls/i686/cmov/libc.so.6
#2  0xb235eb19 in ?? () from /usr/lib/xine/plugins/1.26/xineplug_ao_out_alsa.so
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 4 (Thread 0xb12a6b90 (LWP 4409)):
#0  0xb7f2a430 in __kernel_vsyscall ()
#1  0xb5bd10e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb64f12ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb320ad8e in ?? () from /usr/lib/libxine.so.1
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 3 (Thread 0xaf500b90 (LWP 4412)):
#0  0xb7f2a430 in __kernel_vsyscall ()
#1  0xb5bd1412 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb64f1344 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb70cb359 in thread_sleep (ti=0xaf5002c0) at thread/qthread_unix.cpp:298
#4  0xb70cb48b in QThread::msleep (msecs=<value optimized out>) at thread/qthread_unix.cpp:324
#5  0xb7e27165 in net::DownloadThread::update (this=0x8699028) at /build/buildd/ktorrent-3.2.1+dfsg.1/libbtcore/net/downloadthread.cpp:110
#6  0xb7e279f8 in net::NetworkThread::run (this=0x8699028) at /build/buildd/ktorrent-3.2.1+dfsg.1/libbtcore/net/networkthread.cpp:48
#7  0xb70cb96e in QThreadPrivate::start (arg=0x8699028) at thread/qthread_unix.cpp:189
#8  0xb5bcd4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#9  0xb64e249e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xaecffb90 (LWP 4413)):
#0  0xb7f2a430 in __kernel_vsyscall ()
#1  0xb5bd10e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb64f12ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb70cc9b2 in QWaitCondition::wait (this=0x8699310, mutex=0x8699314, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  0xb7e266be in net::UploadThread::update (this=0x86992d8) at /build/buildd/ktorrent-3.2.1+dfsg.1/libbtcore/net/uploadthread.cpp:73
#5  0xb7e279f8 in net::NetworkThread::run (this=0x86992d8) at /build/buildd/ktorrent-3.2.1+dfsg.1/libbtcore/net/networkthread.cpp:48
#6  0xb70cb96e in QThreadPrivate::start (arg=0x86992d8) at thread/qthread_unix.cpp:189
#7  0xb5bcd4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0xb64e249e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb56cb700 (LWP 4397)):
[KCrash Handler]
#6  0xb6c3b6d2 in QMenu::findIdForAction (this=0x8753c18, act=0x919e3d8) at widgets/qmenu.cpp:3157
#7  0xb6c3cead in QMenuPrivate::activateCausedStack (this=0x8755d50, causedStack=@0xbff46e78, action=0x919e3d8, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:965
#8  0xb6c4376b in QMenuPrivate::activateAction (this=0x8755d50, action=0x919e3d8, action_e=QAction::Trigger, self=<value optimized out>) at widgets/qmenu.cpp:1058
#9  0xb6c44242 in QMenu::mouseReleaseEvent (this=0x8753c18, e=0xbff474b8) at widgets/qmenu.cpp:2252
#10 0xb79d0555 in KMenu::mouseReleaseEvent (this=0x8753c18, e=0xbff474b8) at /build/buildd/kde4libs-4.2.90/kdeui/widgets/kmenu.cpp:456
#11 0xb681eb43 in QWidget::event (this=0x8753c18, event=0xbff474b8) at kernel/qwidget.cpp:7516
#12 0xb6c46629 in QMenu::event (this=0x8753c18, e=0xbff474b8) at widgets/qmenu.cpp:2351
#13 0xb67c7e9c in QApplicationPrivate::notify_helper (this=0x86c7aa0, receiver=0x8753c18, e=0xbff474b8) at kernel/qapplication.cpp:4084
#14 0xb67d0b11 in QApplication::notify (this=0xbff47dcc, receiver=0x8753c18, e=0xbff474b8) at kernel/qapplication.cpp:3786
#15 0xb78e7e8d in KApplication::notify (this=0xbff47dcc, receiver=0x8753c18, event=0xbff474b8) at /build/buildd/kde4libs-4.2.90/kdeui/kernel/kapplication.cpp:302
#16 0xb71bfa3b in QCoreApplication::notifyInternal (this=0xbff47dcc, receiver=0x8753c18, event=0xbff474b8) at kernel/qcoreapplication.cpp:602
#17 0xb67cfb7e in QApplicationPrivate::sendMouseEvent (receiver=0x8753c18, event=0xbff474b8, alienWidget=0x0, nativeWidget=0x8753c18, buttonDown=0xb7072200, lastMouseReceiver=@0xb7072204)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#18 0xb683fc06 in QETWidget::translateMouseEvent (this=0x8753c18, event=0xbff47afc) at kernel/qapplication_x11.cpp:4359
#19 0xb683eca7 in QApplication::x11ProcessEvent (this=0xbff47dcc, event=0xbff47afc) at kernel/qapplication_x11.cpp:3421
#20 0xb6869c6a in x11EventSourceDispatch (s=0x86bcca8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#21 0xb5b0cb88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#22 0xb5b100eb in ?? () from /usr/lib/libglib-2.0.so.0
#23 0xb5b10268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#24 0xb71eb438 in QEventDispatcherGlib::processEvents (this=0x86ba620, flags={i = -1074496328}) at kernel/qeventdispatcher_glib.cpp:323
#25 0xb6869365 in QGuiEventDispatcherGlib::processEvents (this=0x86ba620, flags={i = -1074496280}) at kernel/qguieventdispatcher_glib.cpp:202
#26 0xb71be06a in QEventLoop::processEvents (this=0xbff47d60, flags={i = -1074496216}) at kernel/qeventloop.cpp:149
#27 0xb71be4aa in QEventLoop::exec (this=0xbff47d60, flags={i = -1074496152}) at kernel/qeventloop.cpp:200
#28 0xb71c0959 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#29 0xb67c7d17 in QApplication::exec () at kernel/qapplication.cpp:3553
#30 0x08064fa9 in main (argc=5, argv=0xbff48154) at /build/buildd/ktorrent-3.2.1+dfsg.1/ktorrent/main.cpp:170

This bug may be a duplicate of or related to bug 192004

Reported using DrKonqi