Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-20-generic-pae i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
Lost sound with amarok. Had kopete, amarok, google chrome and dolphin running,

This is a fresh install of kubuntu 9.10 on an AMD Athlon dual core, with radeon hd4350.

Here are the last few lines in the KSystemLog:

2010-03-24 14:39:12	blowfish	avahi-daemon[1098]	Invalid query packet.
2010-03-24 14:39:12	blowfish	avahi-daemon[1098]	Invalid query packet.
2010-03-24 14:53:06	blowfish	anacron[2137]	Job `cron.daily' terminated
2010-03-24 14:53:06	blowfish	anacron[2137]	Job `cron.weekly' started
2010-03-24 14:53:06	blowfish	anacron[3732]	Updated timestamp for job `cron.weekly' to 2010-03-24
2010-03-24 14:53:35	blowfish	anacron[2137]	Job `cron.weekly' terminated
2010-03-24 14:53:35	blowfish	anacron[2137]	Job `cron.monthly' started
2010-03-24 14:53:35	blowfish	anacron[3763]	Updated timestamp for job `cron.monthly' to 2010-03-24
2010-03-24 14:53:35	blowfish	anacron[2137]	Job `cron.monthly' terminated
2010-03-24 14:53:35	blowfish	anacron[2137]	Normal exit (3 jobs run)
2010-03-24 14:58:35	blowfish	init	rsyslog-kmsg main process (896) killed by KILL signal
2010-03-24 14:58:35	blowfish	init	rsyslog-kmsg main process ended, respawning
2010-03-24 14:58:54	blowfish	avahi-daemon[1098]	Invalid query packet.
2010-03-24 14:58:54	blowfish	avahi-daemon[1098]	Invalid query packet.
2010-03-24 14:58:54	blowfish	avahi-daemon[1098]	Invalid query packet.
2010-03-24 15:05:11	blowfish	hp[5103]	io/hpmud/pp.c 627: unable to read device-id ret=-1
2010-03-24 15:05:11	blowfish	python	io/hpmud/pp.c 627: unable to read device-id ret=-1
2010-03-24 15:08:57	blowfish	PackageKit	WARNING: Recursive dependencies are not implemented
2010-03-24 15:17:01	blowfish	CRON[5237]	(root) CMD (   cd / && run-parts --report /etc/cron.hourly)
2010-03-24 15:28:59	blowfish	avahi-daemon[1098]	Invalid query packet.
2010-03-24 15:28:59	blowfish	avahi-daemon[1098]	Invalid query packet.
2010-03-24 15:28:59	blowfish	avahi-daemon[1098]	Invalid query packet.
2010-03-24 15:45:02	blowfish	avahi-daemon[1098]	Invalid query packet.
2010-03-24 15:45:02	blowfish	avahi-daemon[1098]	Invalid query packet.
2010-03-24 15:45:03	blowfish	avahi-daemon[1098]	Invalid query packet.
2010-03-24 16:12:41	blowfish	avahi-daemon[1098]	Invalid query packet.
2010-03-24 16:12:41	blowfish	avahi-daemon[1098]	Invalid query packet.
2010-03-24 16:12:41	blowfish	avahi-daemon[1098]	Invalid query packet.
2010-03-24 16:17:01	blowfish	CRON[5623]	(root) CMD (   cd / && run-parts --report /etc/cron.hourly)


 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb580b700 (LWP 2203))]

Thread 2 (Thread 0xa8ac7b70 (LWP 2248)):
#0  0xb7834430 in __kernel_vsyscall ()
#1  0xb5f65e15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb612978d in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb763ee67 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#4  0xb5e77922 in ?? () from /usr/lib/libQtNetwork.so.4
#5  0xb763de32 in ?? () from /usr/lib/libQtCore.so.4
#6  0xb5f6180e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb611c7ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb580b700 (LWP 2203)):
[KCrash Handler]
#6  0xa8c588b9 in ?? () from /usr/lib/libindicate.so.3
#7  0xa8c39d36 in ?? () from /usr/lib/libdbus-glib-1.so.2
#8  0xa8c41c24 in ?? () from /usr/lib/libdbus-glib-1.so.2
#9  0xb5a76072 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#10 0xb5a8b7a8 in ?? () from /usr/lib/libgobject-2.0.so.0
#11 0xb5a8cb2d in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#12 0xb5a8cfb6 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#13 0xa8c42e2d in ?? () from /usr/lib/libdbus-glib-1.so.2
#14 0xb4209c8d in dbus_connection_dispatch () from /lib/libdbus-1.so.3
#15 0xa8c3975d in ?? () from /usr/lib/libdbus-glib-1.so.2
#16 0xb5fade78 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#17 0xb5fb1720 in ?? () from /lib/libglib-2.0.so.0
#18 0xb5fb1853 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#19 0xb775902c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#20 0xb6448be5 in ?? () from /usr/lib/libQtGui.so.4
#21 0xb772cc79 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#22 0xb772d0ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#23 0xb772f53f in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#24 0xb63a7dd7 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#25 0xb438380d in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#26 0x0804dde1 in _start ()

Reported using DrKonqi