Oracle 11.1.0.6 and 11.1.0.7 are impacted with this weird java core dumping bug. This seems to a POWER7 related issues.
MOS Doc id 1065579.1 OUI crash observed with IBM JDK/JRE 1.5 SR4 on AIX when running on the new POWER7 based hardware
details the bug and provide the patch to download and use to resolve this issue.
