Public bug reported:
I have several Hardy guests running under KVM on a Jaunty host. All
fully patched. Since this recent update "updating upgrade sun-java6-bin
6-16-0ubuntu1.8.04 6-17-0ubuntu1.8.04" we are seeing persistent Java
instability on application servers. Crash with SIGSEGV - looking at the
hs_err_log files it is happening during Garbage Collection (GC).
Sometimes the crash happens within 20s of booting the JVM othertimes it
can be stable for days.
I will attach a typical copy of the Hotspot dump below. Here's a
summary...
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00007f16e533235c, pid=4111, tid=1104398672
#
# JRE version: 6.0_17-b04
# Java VM: Java HotSpot(TM) 64-Bit Server VM (14.3-b01 mixed mode linux-amd64 )
# Problematic frame:
# V [libjvm.so+0x56135c]
VM_Operation (0x0000000040982620): GenCollectFull, mode: safepoint,
requested by thread 0x000000004031a800
--------------- S Y S T E M ---------------
OS:lenny/sid
uname:Linux 2.6.24-24-server #1 SMP Fri Sep 18 16:47:05 UTC 2009 x86_64
libc:glibc 2.7 NPTL 2.7
rlimit: STACK 8192k, CORE 0k, NPROC 2047, NOFILE 1024, AS infinity
load average:0.00 0.00 0.00
CPU:total 1 (1 cores per cpu, 1 threads per core) family 6 model 2
stepping 3, cmov, cx8, fxsr, mmx, sse, sse2, sse3
Memory: 4k page, physical 252376k(3140k free), swap 124984k(117308k
free)
vm_info: Java HotSpot(TM) 64-Bit Server VM (14.3-b01) for linux-amd64
JRE (1.6.0_17-b04), built on Oct 11 2009 01:08:48 by "java_re" with gcc
3.2.2 (SuSE Linux)
time: Wed Jan 27 20:18:14 2010
elapsed time: 2880 seconds
** Affects: sun-java6 (Ubuntu)
Importance: Undecided
Status: New
** Tags: instability severe
--
Hardy sun-java 5 and 6 SIGSEGV during GC
https://bugs.launchpad.net/bugs/513680
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