Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.95 (KDE 4.2.95 (KDE 4.3 RC1))
Qt Version: 4.5.1
Operating System: Linux 2.6.30 i686
Distribution: Debian GNU/Linux testing (squeeze)

What I was doing when the application crashed:
I was browsing with Firefox as I did hours before and without a cognizable cause Plasma suddenly crashed.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 2062)]

Thread 2 (Thread 0xa7f29b90 (LWP 2065)):
#0  0xb806c424 in __kernel_vsyscall ()
#1  0xb7df8fb5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0
#2  0xb7e5f822 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#3  0xb7765fd2 in ?? () from /usr/lib/libQtNetwork.so.4
#4  0xb7e5e80e in ?? () from /usr/lib/libQtCore.so.4
#5  0xb7df54e5 in start_thread () from /lib/i686/cmov/libpthread.so.0
#6  0xb668521e in clone () from /lib/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5fdb710 (LWP 2062)):
[KCrash Handler]
#6  0x07000030 in ?? ()
#7  0xb7f5adce in QMetaObject::invokeMethod () from /usr/lib/libQtCore.so.4
#8  0xb5d17fe4 in QMetaObject::invokeMethod (obj=0x8f53488, member=0x9033708 "animationUpdate", val0={_data = 0xbfb5a8f8, _name = 0xb5e59917 "qreal"}, val1={_data = 0x0, _name = 0x0}, val2=
      {_data = 0x0, _name = 0x0}, val3={_data = 0x0, _name = 0x0}, val4={_data = 0x0, _name = 0x0}, val5={_data = 0x0, _name = 0x0}, val6={_data = 0x0, _name = 0x0}, val7={_data = 0x0, _name = 0x0}, 
    val8={_data = 0x0, _name = 0x0}, val9={_data = 0x0, _name = 0x0}) at /usr/include/qt4/QtCore/qobjectdefs.h:403
#9  0xb5d0fa81 in Plasma::Animator::timerEvent (this=0x8890b20, event=0xbfb5af6c) at /home/martin/sandkasten/kdelibs-4.2.95/plasma/animator.cpp:734
#10 0xb7f6204f in QObject::event () from /usr/lib/libQtCore.so.4
#11 0xb69887bc in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#12 0xb6990ace in QApplication::notify () from /usr/lib/libQtGui.so.4
#13 0xb74cc5d3 in KApplication::notify (this=0x86276a8, receiver=0x8890b20, event=0xbfb5af6c) at /home/martin/sandkasten/kdelibs-4.2.95/kdeui/kernel/kapplication.cpp:302
#14 0xb7f51a2b in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#15 0xb7f80e41 in ?? () from /usr/lib/libQtCore.so.4
#16 0xb7f7d440 in ?? () from /usr/lib/libQtCore.so.4
#17 0xb6501848 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#18 0xb6504dab in ?? () from /usr/lib/libglib-2.0.so.0
#19 0x0863c478 in ?? ()
#20 0x00000000 in ?? ()

Reported using DrKonqi