Application: ktorrent (4.0.5)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-11-generic i686
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:
Nothing,just before it delete xfce component in synaptic. I use Gnome.
- Unusual behavior I noticed:
Just did what i did earlear. This crash was not nothing.

The crash can be reproduced every time.

-- Backtrace:
Application: KTorrent (ktorrent), signal: Bus error
[Current thread is 1 (Thread 0xb7845930 (LWP 6956))]

Thread 6 (Thread 0xb747db70 (LWP 6957)):
#0  0x02bd57a4 in __pthread_mutex_unlock_usercnt () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x083cd656 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#2  0x02e22dd6 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x02e2392b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x0163a304 in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#5  0x02e4c2df in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0x02bd1e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#7  0x083bf73e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 5 (Thread 0xad6fdb70 (LWP 6969)):
#0  0x0087b416 in __kernel_vsyscall ()
#1  0x02bd648c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x083cd3fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x05263daa in QMutexPrivate::wait (this=0x8fc1570, timeout=-1) at thread/qmutex_unix.cpp:84
#4  0x05260492 in QMutex::lock (this=0x81118b4) at thread/qmutex.cpp:167
#5  0x00b11560 in net::SocketMonitor::lock (this=0x81118b0) at ../../src/net/socketmonitor.cpp:82
#6  0x00b12f65 in net::DownloadThread::update (this=0x8fc1678) at ../../src/net/downloadthread.cpp:51
#7  0x00b131e8 in net::NetworkThread::run (this=0x8fc1678) at ../../src/net/networkthread.cpp:48
#8  0x05264da2 in QThreadPrivate::start (arg=0x8fc1678) at thread/qthread_unix.cpp:320
#9  0x02bd1e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#10 0x083bf73e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0xacefcb70 (LWP 6970)):
#0  0x05246e27 in __i686.get_pc_thunk.bx () from /usr/lib/libQtCore.so.4
#1  0x05260381 in QMutex::lock (this=0x9a83288) at thread/qmutex.cpp:148
#2  0x00b30069 in QMutexLocker (this=0x9a83260) at /usr/include/qt4/QtCore/qmutex.h:102
#3  bt::PacketWriter::getNumPacketsToWrite (this=0x9a83260) at ../../src/peer/packetwriter.cpp:307
#4  0x00b300e1 in bt::PacketWriter::hasBytesToWrite (this=0x9a83260) at ../../src/peer/packetwriter.cpp:286
#5  0x00b1839a in mse::StreamSocket::hasBytesToWrite (this=0xae70a4c8) at ../../src/mse/streamsocket.cpp:309
#6  0x00b12568 in bytesReadyToWrite (this=0x8fc19d8) at ../../src/net/bufferedsocket.h:118
#7  net::UploadThread::waitForSocketsReady (this=0x8fc19d8) at ../../src/net/uploadthread.cpp:122
#8  0x00b126bf in net::UploadThread::update (this=0x8fc19d8) at ../../src/net/uploadthread.cpp:45
#9  0x00b131e8 in net::NetworkThread::run (this=0x8fc19d8) at ../../src/net/networkthread.cpp:48
#10 0x05264da2 in QThreadPrivate::start (arg=0x8fc19d8) at thread/qthread_unix.cpp:320
#11 0x02bd1e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0x083bf73e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0xac6fbb70 (LWP 6971)):
#0  0x0087b416 in __kernel_vsyscall ()
#1  0x083aee9b in read () from /lib/i386-linux-gnu/libc.so.6
#2  0x08357563 in _IO_file_underflow () from /lib/i386-linux-gnu/libc.so.6
#3  0x0835872b in _IO_default_uflow () from /lib/i386-linux-gnu/libc.so.6
#4  0x08358528 in __uflow () from /lib/i386-linux-gnu/libc.so.6
#5  0x0834c22c in _IO_getline_info () from /lib/i386-linux-gnu/libc.so.6
#6  0x0834c171 in _IO_getline () from /lib/i386-linux-gnu/libc.so.6
#7  0x0834b11a in fgets () from /lib/i386-linux-gnu/libc.so.6
#8  0x0213de08 in ?? () from /lib/libnss_mdns4.so.2
#9  0x0213e57b in _nss_mdns4_gethostbyaddr_r () from /lib/libnss_mdns4.so.2
#10 0x083d6e02 in gethostbyaddr_r () from /lib/i386-linux-gnu/libc.so.6
#11 0x083dc4e2 in getnameinfo () from /lib/i386-linux-gnu/libc.so.6
#12 0x00b15e4b in net::ReverseResolver::resolve (this=0x992ad18, addr=...) at ../../src/net/reverseresolver.cpp:64
#13 0x00b15ee3 in net::ReverseResolver::run (this=0x992ad18) at ../../src/net/reverseresolver.cpp:73
#14 0x00b162fe in net::ReverseResolverThread::run (this=0x920a800) at ../../src/net/reverseresolver.cpp:118
#15 0x05264da2 in QThreadPrivate::start (arg=0x920a800) at thread/qthread_unix.cpp:320
#16 0x02bd1e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0x083bf73e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xabefab70 (LWP 7000)):
#0  0x00873d41 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x052badd8 in do_gettime () at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x053874f2 in updateCurrentTime (this=0x9014374, tm=...) at kernel/qeventdispatcher_unix.cpp:339
#4  QTimerInfoList::timerWait (this=0x9014374, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x05385d32 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xabefa0dc) at kernel/qeventdispatcher_glib.cpp:136
#6  0x05385dcd in timerSourcePrepare (source=0x9014340, timeout=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x02e21fd4 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x02e22e63 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x02e23524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x05386577 in QEventDispatcherGlib::processEvents (this=0x93d2e60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x05358289 in QEventLoop::processEvents (this=0xabefa290, flags=...) at kernel/qeventloop.cpp:149
#12 0x05358522 in QEventLoop::exec (this=0xabefa290, flags=...) at kernel/qeventloop.cpp:201
#13 0x052622a0 in QThread::exec (this=0x919ee30) at thread/qthread.cpp:492
#14 0x05339fdb in QInotifyFileSystemWatcherEngine::run (this=0x919ee30) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x05264da2 in QThreadPrivate::start (arg=0x919ee30) at thread/qthread_unix.cpp:320
#16 0x02bd1e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0x083bf73e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb7845930 (LWP 6956)):
[KCrash Handler]
#7  0x083645e1 in ?? () from /lib/i386-linux-gnu/libc.so.6
#8  0x00b3ab98 in bt::ChunkDownload::piece (this=0x9d1b568, p=..., ok=@0xbfcab7df) at /usr/include/bits/string3.h:52
#9  0x00b3f8ea in bt::Downloader::pieceReceived (this=0x93efb60, p=...) at ../../src/download/downloader.cpp:134
#10 0x00b28e7f in bt::PeerManager::pieceReceived (this=0x93e0ff0, p=...) at ../../src/peer/peermanager.cpp:671
#11 0x00b27a92 in bt::Peer::packetReady (this=0x9baf5b8, packet=0xae731ef0 "\a", len=16393) at ../../src/peer/peer.cpp:283
#12 0x00b30959 in bt::PacketReader::update (this=0x9a53998) at ../../src/peer/packetreader.cpp:141
#13 0x00b256f9 in bt::Peer::update (this=0x9baf5b8) at ../../src/peer/peer.cpp:538
#14 0x00b2a7ea in bt::PeerManager::update (this=0x93e0ff0) at ../../src/peer/peermanager.cpp:144
#15 0x00b5cd2d in bt::TorrentControl::update (this=0x93e0228) at ../../src/torrent/torrentcontrol.cpp:163
#16 0x0806a063 in kt::Core::update (this=0x9196880) at ../../ktorrent/core.cpp:1025
#17 0x08070895 in kt::Core::qt_metacall (this=0x9196880, _c=QMetaObject::InvokeMetaMethod, _id=12, _a=0xbfcabb5c) at ./core.moc:169
#18 0x0535f6ba in QMetaObject::metacall (object=0x9196880, cl=QMetaObject::InvokeMetaMethod, idx=22, argv=0xbfcabb5c) at kernel/qmetaobject.cpp:237
#19 0x0536f4ff in QMetaObject::activate (sender=0x9196894, m=0x54945a4, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3287
#20 0x053bc2f7 in QTimer::timeout (this=0x9196894) at .moc/release-shared/moc_qtimer.cpp:134
#21 0x053753ee in QTimer::timerEvent (this=0x9196894, e=0xbfcac05c) at kernel/qtimer.cpp:271
#22 0x0536e214 in QObject::event (this=0x9196894, e=0xbfcac05c) at kernel/qobject.cpp:1190
#23 0x0417cd24 in QApplicationPrivate::notify_helper (this=0x9011380, receiver=0x9196894, e=0xbfcac05c) at kernel/qapplication.cpp:4462
#24 0x041818ce in QApplication::notify (this=0xbfcac380, receiver=0x9196894, e=0xbfcac05c) at kernel/qapplication.cpp:3862
#25 0x08077a57 in kt::App::notify (this=0xbfcac380, receiver=0x9196894, event=0xbfcac05c) at ../../ktorrent/app.cpp:97
#26 0x053590bb in QCoreApplication::notifyInternal (this=0xbfcac380, receiver=0x9196894, event=0xbfcac05c) at kernel/qcoreapplication.cpp:731
#27 0x053891e4 in sendEvent (this=0x90109bc) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#28 QTimerInfoList::activateTimers (this=0x90109bc) at kernel/qeventdispatcher_unix.cpp:604
#29 0x05385e27 in timerSourceDispatch (source=0x9011c80) at kernel/qeventdispatcher_glib.cpp:184
#30 idleTimerSourceDispatch (source=0x9011c80) at kernel/qeventdispatcher_glib.cpp:231
#31 0x02e22aa8 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#32 0x02e23270 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#33 0x02e23524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#34 0x0538653c in QEventDispatcherGlib::processEvents (this=0x8fbbaa8, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#35 0x042331e5 in QGuiEventDispatcherGlib::processEvents (this=0x8fbbaa8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#36 0x05358289 in QEventLoop::processEvents (this=0xbfcac2f4, flags=...) at kernel/qeventloop.cpp:149
#37 0x05358522 in QEventLoop::exec (this=0xbfcac2f4, flags=...) at kernel/qeventloop.cpp:201
#38 0x0535cecc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#39 0x0417a8e7 in QApplication::exec () at kernel/qapplication.cpp:3736
#40 0x08067221 in main (argc=) at ../../ktorrent/main.cpp:176

Possible duplicates by query: bug 280660, bug 280597, bug 280472, bug 280448, bug 280047.

Reported using DrKonqi