A fatal error has been detected by the Java Runtime Environment

[[e-mail]]

#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00007fe75e253684, pid=13021, tid=140631717037824
#
# JRE version: 7.0_25-b30
# Java VM: OpenJDK 64-Bit Server VM (23.7-b01 mixed mode linux-amd64 compressed oops)
# Problematic frame:
# V [libjvm.so+0x457684] frame::sender(RegisterMap*) const+0x224
#
# Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#
# If you would like to submit a bug report, please include
# instructions on how to reproduce the bug and visit:
# https://bugs.launchpad.net/ubuntu/+source/openjdk-7/
#

[[e-mail] (nuagebleu)]

I could not reproduce yet, sorry.
Now my ulimit is set just in case.