gksu crashed with SIGSEGV in gdk_window_set_opacity()

[shishimaru]

Binary package hint: gksu

Honestly I don't know why gksu crashed. After I login in Ubuntu Lucid Lynx Beta1 I wrote the password and chose to update the system. And so,gksu crashed.

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: gksu 2.0.2-2ubuntu2
ProcVersionSignature: Ubuntu 2.6.32-19.28-generic 2.6.32.10+drm33.1
Uname: Linux 2.6.32-19-generic i686
Architecture: i386
CheckboxSubmission: e4cae0b532543be2228d02ebedaf0840
CheckboxSystem: b62ae224500b03a9fc2c9b6caf3feb14
Date: Tue Apr 6 10:31:09 2010
ExecutablePath: /usr/bin/gksu
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta i386 (20100318)
ProcCmdline: /usr/bin/gksu --desktop /usr/share/applications/update-manager.desktop -- /usr/sbin/synaptic --hide-main-window --non-interactive --parent-window-id 58720292 --update-at-startup
ProcEnviron:
 LANG=it_IT.utf8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x174adc <gdk_window_set_opacity+44>: mov (%esi),%edx
 PC (0x00174adc) ok
 source "(%esi)" (0x20726568) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gksu
StacktraceTop:
 gdk_window_set_opacity () from /usr/lib/libgdk-x11-2.0.so.0
 ?? () from /usr/lib/libgksu2.so.0
 ?? () from /lib/libglib-2.0.so.0
 g_main_context_dispatch () from /lib/libglib-2.0.so.0
 ?? () from /lib/libglib-2.0.so.0
Title: gksu crashed with SIGSEGV in gdk_window_set_opacity()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors: (polkit-gnome-authentication-agent-1:1268): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed

[Apport retracing service (apport)]

StacktraceTop:
 IA__gdk_window_set_opacity (window=0x20726568, opacity=0.5)
 fadeout_callback (fadeout=0x89a7cb0) at libgksu.c:326
 ?? () from /lib/libglib-2.0.so.0
 g_main_context_dispatch () from /lib/libglib-2.0.so.0
 ?? () from /lib/libglib-2.0.so.0