plasma crashed with SIGSEGV in QGraphicsLinearLayout::setSpacing()

[Adam]

Binary package hint: kdebase-workspace

I'm not sure how this happened. I restarted my computer only to find that my KDE desktop would not come up again. I can login, but I am presented with a black screen.

ProblemType: Crash
Architecture: i386
CrashCounter: 1
DistroRelease: Ubuntu 8.10
ExecutablePath: /usr/bin/plasma
Package: kdebase-workspace-bin 4:4.1.2-0ubuntu10
ProcAttrCurrent: unconfined
ProcCmdline: /usr/bin/plasma
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: kdebase-workspace
StacktraceTop:
 QGraphicsLinearLayout::setSpacing ()
 ?? () from /usr/lib/kde4/plasma_applet_notes.so
 ?? () from /usr/lib/kde4/plasma_applet_notes.so
 Plasma::Applet::flushPendingConstraintsEvents ()
 Plasma::Applet::timerEvent () from /usr/lib/libplasma.so.2
Title: plasma crashed with SIGSEGV in QGraphicsLinearLayout::setSpacing()
Uname: Linux 2.6.27-6-generic i686
UserGroups: adm admin cdrom dialout fuse lpadmin plugdev sambashare