gnome-nettool crashed with SIGSEGV in gtk_paint_layout()

[sir]

Binary package hint: gnome-nettool

Fast switching tab, the program crashes

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: gnome-nettool 2.30.0-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-21.31-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-21-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Fri Apr 16 22:46:30 2010
ExecutablePath: /usr/bin/gnome-nettool
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta i386 (20100406.1)
ProcCmdline: gnome-nettool
ProcEnviron:
 LANG=zh_CN.utf8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0xfe158e: mov 0x38(%esi),%eax
 PC (0x00fe158e) ok
 source "0x38(%esi)" (0x00000038) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gnome-nettool
StacktraceTop:
 ?? () from /usr/lib/gtk-2.0/2.10.0/engines/libmurrine.so
 gtk_paint_layout () from /usr/lib/libgtk-x11-2.0.so.0
 ?? ()
 on_ping_graph_expose ()
 ?? () from /usr/lib/libgtk-x11-2.0.so.0
Title: gnome-nettool crashed with SIGSEGV in gtk_paint_layout()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 murrine_style_draw_layout (style=0x849d450, window=0x8590348,
 IA__gtk_paint_layout (style=0x849d450, window=0x8590348,
 draw_ping_graph (netinfo=<value optimized out>)
 on_ping_graph_expose (widget=0x83aa1c0, event=0xbf9dbe28,
 _gtk_marshal_BOOLEAN__BOXED (closure=0x8498cd0,