mythfrontend.real crashed with SIGSEGV in QX11PixmapData::x11ConvertToDefaultDepth()

Binary package hint: mythtv-frontend

Mythbuntu lucid (beta at this point) with all updates to date.

Put a DVD in the drive and attempt to watch it. This causes mythfrontend to crash.

Any DVD appears to cause this to happen.

ProblemType: Crash
.var.log.mythtv.mythfrontend.log:

Architecture: i386
Date: Sat Mar 27 10:23:30 2010
DistroRelease: Ubuntu 10.04
ExecutablePath: /usr/bin/mythfrontend.real
InstallationMedia: Mythbuntu 10.04 "Lucid Lynx" - Beta i386 (20100318)
Installed_mythplugins-dbg: 0.0
Installed_mythtv-dbg: 0.0
Package: mythtv-frontend 0.23.0+fixes23789-0ubuntu2
ProcCmdline: /usr/bin/mythfrontend.real
ProcEnviron:
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
SegvAnalysis:
 Segfault happened at: 0x225bf2d <_ZN14QX11PixmapData24x11ConvertToDefaultDepthEv+29>: mov 0xc(%esi),%edi
 PC (0x0225bf2d) ok
 source "0xc(%esi)" (0x0000000c) not located in a known VMA region (needed readable region)!
 destination "%edi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: mythtv
StacktraceTop:
 QX11PixmapData::x11ConvertToDefaultDepth() ()
 QWidgetPrivate::updateSystemBackground() ()
 QWidget::setAttribute(Qt::WidgetAttribute, bool) ()
 QWidgetPrivate::setUpdatesEnabled_helper(bool) ()
 QWidget::setUpdatesEnabled(bool) ()
Title: mythfrontend.real crashed with SIGSEGV in QX11PixmapData::x11ConvertToDefaultDepth()
Uname: Linux 2.6.32-17-generic i686
UserGroups: adm admin cdrom dialout lpadmin mythtv plugdev sambashare video
XsessionErrors:
 (polkit-gnome-authentication-agent-1:1219): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (bluetooth-applet:1221): Gtk-CRITICAL **: gtk_action_set_sensitive: assertion `GTK_IS_ACTION (action)' failed