plasma-desktop crashed with SIGSEGV in QString::utf16()

Binary package hint: kdebase-workspace

Automated filling of fields above.

Kubuntu 10.04 Beta 2 (Ubuntu lucid (development branch))

Using the Google Calendar widget:
- created a password for KDE Wallet
- entered Google Account details
- widget complained about not having cookies enabled in its display
- then the crash occurred

- after a reboot, the Google Calendar widget reloaded
- asked for my KDE Wallet password
- then crash

Other widgets running were two instances of Weather Forecast by Shawn Starr version 1.0.

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: plasma-desktop 4:4.4.2-0ubuntu12
ProcVersionSignature: Ubuntu 2.6.32-21.31-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-21-generic x86_64
Architecture: amd64
CrashCounter: 1
Date: Thu Apr 15 18:31:47 2010
ExecutablePath: /usr/bin/plasma-desktop
InstallationMedia: Kubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100406.1)
ProcCmdline: plasma-desktop --nocrashhandler
ProcEnviron:
 LANGUAGE=
 PATH=(custom, user)
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f8b2e8b66c7 <_ZNK7QString5utf16Ev+7>: mov 0x10(%rdx),%rax
 PC (0x7f8b2e8b66c7) ok
 source "0x10(%rdx)" (0x00000010) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: kdebase-workspace
StacktraceTop:
 QString::utf16() const ()
 QString::toUcs4() const ()
 ?? ()
 _PyObject_Str () from /usr/lib/libpython2.6.so.1.0
 PyObject_Str () from /usr/lib/libpython2.6.so.1.0
Title: plasma-desktop crashed with SIGSEGV in QString::utf16()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors: (process:1537): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed