Steps to reproduce:
1) Donwload Netbeans 5.0 beta from www.netbeans.org
2) Run it on Win XP through nb.exe (so that console window is shown)
3) While splash screen is showing, grab console window and move it across splash screen to generate repaint events.
-> JVM crashes (I have 100% reproductibility) with following info:
------------------------------------------------------------------------------
#
# An unexpected error has been detected by HotSpot Virtual Machine:
#
# EXCEPTION_FLT_STACK_CHECK (0xc0000092) at pc=0x008f9218, pid=2068, tid=3136
#
# Java VM: Java HotSpot(TM) Client VM (1.6.0-ea-b53 mixed mode, sharing)
# Problematic frame:
# v ~RuntimeStub::resolve_invokevirtual Runtime1 stub
#
# An error report file with more information is saved as hs_err_pid2068.log

----

Error report file is attached, my Hardware is Sony Vaio notebook, VGN-S3XP.