gedit crashed with SIGSEGV in gdk_property_change()

[Matt]

Gedit crashed when open xml file with 20000 lines and make CTRL+A command.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: gedit 3.3.8-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-19.31-generic-pae 3.2.12
Uname: Linux 3.2.0-19-generic-pae i686
ApportVersion: 1.94.1-0ubuntu2
Architecture: i386
Date: Thu Mar 22 11:14:57 2012
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/gedit
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta i386 (20120301)
ProcCmdline: gedit /home/User Name/Pobrane/rss.xml
ProcEnviron:
 LANG=pl_PL.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0xb708cb2b <gdk_property_change+11>: mov 0xc(%eax),%edx
 PC (0xb708cb2b) ok
 source "0xc(%eax)" (0x0000000c) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gedit
StacktraceTop:
 gdk_property_change () from /usr/lib/i386-linux-gnu/libgdk-3.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgtk-3.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgtk-3.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
Title: gedit crashed with SIGSEGV in gdk_property_change()
UpgradeStatus: Upgraded to precise on 2012-03-18 (3 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 gdk_property_change (window=0x0, property=0x68, type=0x4, format=32, mode=GDK_PROP_MODE_REPLACE, data=0xc33b700 "\226", nelements=12) at /build/buildd/gtk+3.0-3.3.20/./gdk/gdkwindow.c:11363
 _gtk_selection_request (widget=0x86d8d88, event=0x850c710) at /build/buildd/gtk+3.0-3.3.20/./gtk/gtkselection.c:2453
 _gtk_marshal_BOOLEAN__BOXEDv (closure=0x8366b70, return_value=0xbf8864c0, instance=0x86d8d88, args=0xbf88655c "\020\307P\b\214e\210\277\020\307P\b\210\215m\b\243&>\267\210\215m\b\230\312\065\b\020\307P\b", marshal_data=0xb7306fe0, n_params=1, param_types=0x8366e28) at /build/buildd/gtk+3.0-3.3.20/./gtk/gtkmarshalers.c:130
 g_type_class_meta_marshalv (closure=0x8366b70, return_value=0xbf8864c0, instance=0x86d8d88, args=0xbf88655c "\020\307P\b\214e\210\277\020\307P\b\210\215m\b\243&>\267\210\215m\b\230\312\065\b\020\307P\b", marshal_data=0x104, n_params=1, param_types=0x8366e28) at /build/buildd/glib2.0-2.31.22/./gobject/gclosure.c:997
 _g_closure_invoke_va (closure=0x8366b70, return_value=0xbf8864c0, instance=0x86d8d88, args=0xbf88655c "\020\307P\b\214e\210\277\020\307P\b\210\215m\b\243&>\267\210\215m\b\230\312\065\b\020\307P\b", n_params=1, param_types=0x8366e28) at /build/buildd/glib2.0-2.31.22/./gobject/gclosure.c:840