Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.90 (KDE 4.2.90 (KDE 4.3 Beta2))
Qt Version: 4.5.1
Operating System: Linux 2.6.28-11-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
Just normally using panel etc and plasma-desktop crashed out of the blue. Probably I was right clicking some windows in the taskbar

 -- Backtrace:
Application: Plasma Workspace (kdeinit), signal: Aborted
[Current thread is 0 (LWP 3879)]

Thread 2 (Thread 0xa86ceb90 (LWP 3882)):
#0  0xb7f18430 in __kernel_vsyscall ()
#1  0xb64120e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb65f22ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7d1a5b2 in QWaitCondition::wait (this=0x998eaa8, mutex=0x998eaa4, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  0xb765eae2 in QHostInfoAgent::run (this=0x998ea98) at kernel/qhostinfo.cpp:260
#5  0xb7d1956e in QThreadPrivate::start (arg=0x998ea98) at thread/qthread_unix.cpp:189
#6  0xb640e4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb65e349e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5f1ca10 (LWP 3879)):
[KCrash Handler]
#6  0xb7f18430 in __kernel_vsyscall ()
#7  0xb652a6d0 in raise () from /lib/tls/i686/cmov/libc.so.6
#8  0xb652c098 in abort () from /lib/tls/i686/cmov/libc.so.6
#9  0xb656e633 in ?? () from /lib/tls/i686/cmov/libc.so.6
#10 0xb6570555 in free () from /lib/tls/i686/cmov/libc.so.6
#11 0xb6751231 in operator delete () from /usr/lib/libstdc++.so.6
#12 0xb5c7d600 in Plasma::Animator::timerEvent (this=0x9335a50, event=0xbfd33ddc) at /build/buildd/kde4libs-4.2.90/plasma/animator.cpp:689
#13 0xb7e1df0f in QObject::event (this=0x9335a50, e=0xbfd33ddc) at kernel/qobject.cpp:1082
#14 0xb68a8bcc in QApplicationPrivate::notify_helper (this=0x90aacc0, receiver=0x9335a50, e=0xbfd33ddc) at kernel/qapplication.cpp:4057
#15 0xb68b0ede in QApplication::notify (this=0x90a4d48, receiver=0x9335a50, e=0xbfd33ddc) at kernel/qapplication.cpp:3604
#16 0xb73e1e8d in KApplication::notify (this=0x90a4d48, receiver=0x9335a50, event=0xbfd33ddc) at /build/buildd/kde4libs-4.2.90/kdeui/kernel/kapplication.cpp:302
#17 0xb7e0d7ab in QCoreApplication::notifyInternal (this=0x90a4d48, receiver=0x9335a50, event=0xbfd33ddc) at kernel/qcoreapplication.cpp:610
#18 0xb7e3cb31 in QTimerInfoList::activateTimers (this=0x90ad5bc) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#19 0xb7e39280 in timerSourceDispatch (source=0x90ad588) at kernel/qeventdispatcher_glib.cpp:164
#20 0xb645bb88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#21 0xb645f0eb in ?? () from /usr/lib/libglib-2.0.so.0
#22 0xb645f268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#23 0xb7e391d8 in QEventDispatcherGlib::processEvents (this=0x90a84b8, flags={i = -1076674728}) at kernel/qeventdispatcher_glib.cpp:324
#24 0xb694a765 in QGuiEventDispatcherGlib::processEvents (this=0x90a84b8, flags={i = -1076674680}) at kernel/qguieventdispatcher_glib.cpp:202
#25 0xb7e0bdda in QEventLoop::processEvents (this=0xbfd34000, flags={i = -1076674616}) at kernel/qeventloop.cpp:149
#26 0xb7e0c21a in QEventLoop::exec (this=0xbfd34000, flags={i = -1076674552}) at kernel/qeventloop.cpp:200
#27 0xb7e0e6c9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#28 0xb68a8a47 in QApplication::exec () at kernel/qapplication.cpp:3526
#29 0xb4a7e820 in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#30 0x0804e1c0 in launch (argc=1, _name=0x90722fc "/usr/bin/plasma-desktop", args=0x9072314 "", cwd=0x0, envc=0, envs=0x9072318 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x80512d0 "0") at /build/buildd/kde4libs-4.2.90/kinit/kinit.cpp:671
#31 0x0804e99d in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.2.90/kinit/kinit.cpp:1163
#32 0x0804ef25 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.2.90/kinit/kinit.cpp:1356
#33 0x0804fb0a in main (argc=2, argv=0xbfd347f4, envp=0xbfd34800) at /build/buildd/kde4libs-4.2.90/kinit/kinit.cpp:1783

This bug may be a duplicate of or related to bug 196393

Reported using DrKonqi