[SOLVED] Serviio Crashes on Ubuntu 12.04

Hi, Serviio run OK for some time..
but then, because of no particular reason it crashes:
i also attached the Detail Log...
Can someone help ?
Regards SImon
but then, because of no particular reason it crashes:

- Code:
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0xb6d8db69, pid=4450, tid=2325105472
#
# JRE version: 7.0_03-b147
# Java VM: OpenJDK Server VM (22.0-b10 mixed mode linux-x86 )
# Derivative: IcedTea7 2.1.1pre
# Distribution: Ubuntu 12.04 LTS, package 7~u3-2.1.1~pre1-1ubuntu3
# Problematic frame:
# V [libjvm.so+0x519b69] MarkSweep::follow_stack()+0x59
#
# Core dump written. Default location: /root/core or core.4450
#
# An error report file with more information is saved as:
# /root/hs_err_pid4450.log
#
# 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/
#
Aborted (core dumped)
root@MutliMedia:~# java -version
java version "1.7.0_03"
OpenJDK Runtime Environment (IcedTea7 2.1.1pre) (7~u3-2.1.1~pre1-1ubuntu3)
OpenJDK Server VM (build 22.0-b10, mixed mode)
i also attached the Detail Log...
Can someone help ?

Regards SImon