(gdb) thread apply all bt

Thread 51 (Thread 1009321136 (LWP 4558)):
#0  0x0f553ce0 in select () from /lib/libc.so.6
#1  0x0145598c in usb_os_open () from /usr/lib/libusb-0.1.so.4
#2  0x0efce11c in RD_do_read (timeout=0) at libusb.c:249
#3  0x0efce310 in RD_main (foo=0x0) at libusb.c:293
#4  0x0f146764 in start_thread () from /lib/libpthread.so.0
#5  0x0f146764 in start_thread () from /lib/libpthread.so.0
Previous frame inner to this frame (corrupt stack?)

Thread 50 (Thread 829277360 (LWP 6409)):
#0  0x0f14b244 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x3024f154 in QThreadInstance::deinit () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#2  0x3024f3e4 in QThread::sleep () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#3  0x0f074a74 in DeviceCommThread::run (this=0x100bffe0) at /home/gideon/builds/kpilot/lib/kpilotdevicelink.cc:629
#4  0x3024f798 in QThreadInstance::start () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#5  0x0f146764 in start_thread () from /lib/libpthread.so.0
#6  0x3024f798 in QThreadInstance::start () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#7  0x00000000 in ?? ()

Thread 1 (Thread 816663248 (LWP 7907)):
#0  0x0f4a5c10 in raise () from /lib/libc.so.6
#1  0x0f4a7854 in abort () from /lib/libc.so.6
#2  0x0f4e41a4 in __libc_message () from /lib/libc.so.6
#3  0x0f4ee674 in free () from /lib/libc.so.6
#4  0x0ee4a11c in operator delete () from /usr/lib/libstdc++.so.6
#5  0x0ec8e4d8 in QValueListPrivate<KABC::Resource*>::~QValueListPrivate () from /usr/lib/libkabc.so.1
#6  0x0ec8e684 in QValueListPrivate<KABC::Resource*>::derefAndDelete () from /usr/lib/libkabc.so.1
#7  0x0ec8e748 in QValueList<KABC::Resource*>::~QValueList () from /usr/lib/libkabc.so.1
#8  0x0ec8f9f0 in KABC::AddressBook::Iterator::IteratorData::~IteratorData () from /usr/lib/libkabc.so.1
#9  0x0ec897c0 in KABC::AddressBook::Iterator::~Iterator () from /usr/lib/libkabc.so.1
#10 0x0ec8fa40 in KABC::AddressBook::AddressBookData::~AddressBookData () from /usr/lib/libkabc.so.1
#11 0x0ec8a8e8 in KABC::AddressBook::~AddressBook$delete () from /usr/lib/libkabc.so.1
#12 0x0e6b8e44 in AbbrowserConduit::_saveAddressBook (this=0x1032e568)
    at /home/gideon/builds/kpilot/conduits/abbrowserconduit/abbrowser-conduit.cc:406
#13 0x0e6b925c in AbbrowserConduit::slotCleanup (this=0x1032e568)
    at /home/gideon/builds/kpilot/conduits/abbrowserconduit/abbrowser-conduit.cc:900
#14 0x0e6bb190 in AbbrowserConduit::qt_invoke (this=0x1032e568, _id=9, _o=0x7fcbe670)
    at /home/gideon/builds/kpilot/build/conduits/abbrowserconduit/abbrowser-conduit.moc:99
#15 0x302d4ff0 in QObject::activate_signal () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#16 0x306dfeec in QSignal::signal () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#17 0x302f7ff4 in QSignal::activate () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#18 0x30302350 in QSingleShotTimer::event () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#19 0x30259bb4 in QApplication::internalNotify () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#20 0x3025b760 in QApplication::notify () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#21 0x0fb8a410 in KApplication::notify () from /usr/lib/libkdecore.so.4
#22 0x3024a794 in QEventLoop::activateTimers () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#23 0x301f81ac in QEventLoop::processEvents () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#24 0x30276e08 in QEventLoop::enterLoop () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#25 0x30276c08 in QEventLoop::exec () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#26 0x30259724 in QApplication::exec () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#27 0x10037c70 in main (argc=3, argv=0x7fcbef04) at /home/gideon/builds/kpilot/kpilot/pilotDaemon.cc:1400