gksu crashed with SIGSEGV in gdk_window_set_opacity()

[YannUbuntu]

Binary package hint: gksu

- do a Alt-F2 to launch a "gksudo gedit"
- before the password window appear, click on the "Applications" menu

--> crash of gksu

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: gksu 2.0.2-2ubuntu3
ProcVersionSignature: Ubuntu 2.6.35-22.35-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
Architecture: i386
Date: Sat Feb 26 00:24:43 2011
ExecutablePath: /usr/bin/gksu
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
ProcCmdline: gksudo gedit
ProcEnviron:
 LANG=fr_FR.utf8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0xca2f9c <gdk_window_set_opacity+44>: mov (%esi),%edx
 PC (0x00ca2f9c) ok
 source "(%esi)" (0x616c2f65) 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

[Apport retracing service (apport)]

StacktraceTop:
 IA__gdk_window_set_opacity (window=0x616c2f65, opacity=0.5)
 fadeout_callback (fadeout=0x9e66718) at libgksu.c:326
 g_idle_dispatch (source=0x9e8c568, callback=0x9e30ed8,
 g_main_context_dispatch (context=0x9e395e0)
 g_main_context_iterate (context=0x9e395e0,