Java HotSpot Virtual Machine

We are developing a server application which reads requests from a socket, process the request and return the result. A limited number of worker - threads are responsible for processing the data.

We use Oracle 8.1.7 and each worker thread has its own connection to the database. Sometimes after receiving a request the JVM terminates
with the following error:

Unexpected Signal : 11 occurred at PC=0x40372fe2
Function name=Ideal__8MulLNodeP8PhaseGVNP11PhaseDefUse
Library=/usr/java/jdk1.3.1_03/jre/lib/i386/server/libjvm.so

Current Java thread:

Dynamic libraries:
08048000-0804c000 r-xp 00000000 08:05 3146213 /usr/java/jdk1.3.1_03/bin/i386/native_threads/java
0804c000-0804d000 rw-p 00003000 08:05 3146213 /usr/java/jdk1.3.1_03/bin/i386/native_threads/java
40000000-40013000 r-xp 00000000 08:05 32867 /lib/ld-2.2.5.so
40013000-40014000 rw-p 00013000 08:05 32867 /lib/ld-2.2.5.so
40014000-40025000 r-xp 00000000 08:05 1917083 /usr/java/jdk1.3.1_03/jre/lib/i386/libverify.so
40025000-40027000 rw-p 00010000 08:05 1917083 /usr/java/jdk1.3.1_03/jre/lib/i386/libverify.so
40027000-40028000 r--p 00000000 08:05 1294857 /usr/lib/locale/en_US.iso885915/LC_IDENTIFICATION
40028000-40029000 r--p 00000000 08:05 1294858 /usr/lib/locale/en_US.iso885915/LC_MEASUREMENT
40029000-4002a000 r--p 00000000 08:05 1294862 /usr/lib/locale/en_US.iso885915/LC_TELEPHONE
4002a000-4002b000 r--p 00000000 08:05 1294856 /usr/lib/locale/en_US.iso885915/LC_ADDRESS
4002b000-40038000 r-xp 00000000 08:05 3096583 /lib/i686/libpthread-0.9.so
40038000-4003f000 rw-p 0000d000 08:05 3096583 /lib/i686/libpthread-0.9.so
40040000-40049000 r-xp 00000000 08:05 622874 /usr/java/jdk1.3.1_03/jre/lib/i386/native_threads/libhpi.so
40049000-4004a000 rw-p 00008000 08:05 622874 /usr/java/jdk1.3.1_03/jre/lib/i386/native_threads/libhpi.so
4004a000-403ca000 r-xp 00000000 08:05 1704518 /usr/java/jdk1.3.1_03/jre/lib/i386/server/libjvm.so
403ca000-4051f000 rw-p 0037f000 08:05 1704518 /usr/java/jdk1.3.1_03/jre/lib/i386/server/libjvm.so
40538000-4053a000 r-xp 00000000 08:05 32783 /lib/libdl-2.2.5.so
4053a000-4053b000 rw-p 00001000 08:05 32783 /lib/libdl-2.2.5.so
4053b000-4054d000 r-xp 00000000 08:05 32787 /lib/libnsl-2.2.5.so
4054d000-4054e000 rw-p 00012000 08:05 32787 /lib/libnsl-2.2.5.so
40550000-40571000 r-xp 00000000 08:05 3096581 /lib/i686/libm-2.2.5.so
40571000-40572000 rw-p 00020000 08:05 3096581 /lib/i686/libm-2.2.5.so
40573000-405a7000 r-xp 00000000 08:05 345158 /usr/lib/libstdc++-2-libc6.1-1-2.9.0.so
405a7000-405b3000 rw-p 00033000 08:05 345158 /usr/lib/libstdc++-2-libc6.1-1-2.9.0.so
405b5000-405d6000 r-xp 00000000 08:05 1917060 /usr/java/jdk1.3.1_03/jre/lib/i386/libjava.so
405d6000-405d8000 rw-p 00020000 08:05 1917060 /usr/java/jdk1.3.1_03/jre/lib/i386/libjava.so
405d9000-405ed000 r-xp 00000000 08:05 1917084 /usr/java/jdk1.3.1_03/jre/lib/i386/libzip.so
405ed000-405f0000 rw-p 00013000 08:05 1917084 /usr/java/jdk1.3.1_03/jre/lib/i386/libzip.so
405f0000-41324000 r--s 00000000 08:05 672195 /usr/java/jdk1.3.1_03/jre/lib/rt.jar
41351000-41648000 r--s 00000000 08:05 672188 /usr/java/jdk1.3.1_03/jre/lib/i18n.jar
41648000-4165e000 r--s 00000000 08:05 672196 /usr/java/jdk1.3.1_03/jre/lib/sunrsasign.jar
41e0d000-41e38000 r--p 00000000 08:05 2703858 /usr/lib/locale/en_US.iso885915/LC_CTYPE
41e38000-41e3e000 r--s 00000000 08:05 3080376 /usr/lib/gconv/gconv-modules.cache
41e3e000-41e3f000 r--p 00000000 08:05 1294860 /usr/lib/locale/en_US.iso885915/LC_NAME
41e3f000-41e40000 r--p 00000000 08:05 1294861 /usr/lib/locale/en_US.iso885915/LC_PAPER
41e40000-41e41000 r--p 00000000 08:05 1311449 /usr/lib/locale/en_US.iso885915/LC_MESSAGES/SYS_LC_MESSAGES
41e41000-41e42000 r--p 00000000 08:05 1294859 /usr/lib/locale/en_US.iso885915/LC_MONETARY
41e42000-41e48000 r--p 00000000 08:05 491981 /usr/lib/locale/en_US.iso885915/LC_COLLATE
41e48000-41e49000 r--p 00000000 08:05 1294863 /usr/lib/locale/en_US.iso885915/LC_TIME
41e49000-41e4a000 r--p 00000000 08:05 491978 /usr/lib/locale/en_US.iso885915/LC_NUMERIC
41e4a000-41e5d000 r--s 00000000 08:05 3506786 /opt/sigserv/ldap/providerutil.jar
41e5d000-41e60000 r-xp 00000000 08:05 32800 /lib/libnss_dns-2.2.5.so
41e60000-41e61000 rw-p 00002000 08:05 32800 /lib/libnss_dns-2.2.5.so
41e61000-41e6a000 r-xp 00000000 08:05 32803 /lib/libnss_files-2.2.5.so
41e6a000-41e6b000 rw-p 00009000 08:05 32803 /lib/libnss_files-2.2.5.so
41e6b000-41e84000 r--s 00000000 08:05 3506785 /opt/sigserv/ldap/JNDI.JAR
41e84000-41ea3000 r--s 00000000 08:05 3506784 /opt/sigserv/ldap/LDAP.JAR
41ea3000-41ebd000 r--s 00000000 08:05 1016655 /opt/sigserv/crypto/bsf.jar
41ebd000-41ede000 r--s 00000000 08:05 1016649 /opt/sigserv/crypto/IXSIL_1_0_1.jar
41ede000-41fb3000 r--s 00000000 08:05 1016652 /opt/sigserv/crypto/xalan.jar
41fb3000-41fcd000 r--s 00000000 08:05 1016654 /opt/sigserv/crypto/iaik_ssl.jar
41fcd000-41fed000 r--s 00000000 08:05 1016651 /opt/sigserv/crypto/iaik_cms.jar
41fed000-41ff6000 r-xp 00000000 08:05 1917081 /usr/java/jdk1.3.1_03/jre/lib/i386/libnet.so
41ff6000-41ff7000 rw-p 00008000 08:05 1917081 /usr/java/jdk1.3.1_03/jre/lib/i386/libnet.so
42000000-4212c000 r-xp 00000000 08:05 3097058 /lib/i686/libc-2.2.5.so
4212c000-42131000 rw-p 0012c000 08:05 3097058 /lib/i686/libc-2.2.5.so
44135000-4413f000 r-xp 00000000 08:05 32811 /lib/libnss_nisplus-2.2.5.so
4413f000-44140000 rw-p 00009000 08:05 32811 /lib/libnss_nisplus-2.2.5.so
55340000-554fb000 r--s 00000000 08:05 1016647 /opt/sigserv/crypto/xerces.jar
554fb000-55593000 r--s 00000000 08:05 1016648 /opt/sigserv/crypto/iaik_jce_full.jar
55593000-555e9000 r--s 00000000 08:05 1016653 /opt/sigserv/crypto/iaikPkcs11Wrapper.jar
55700000-5571b000 r--s 00000000 08:05 2147103 /opt/sigserv/jdbc/mm.mysql-2.0.4-bin.jar
5571b000-5589a000 r--s 00000000 08:05 2147104 /opt/sigserv/jdbc/classes12.zip
5589a000-56416000 r--s 00000000 08:05 2147105 /opt/sigserv/jdbc/nls_charset12.zip
56e16000-56e24000 r-xp 00000000 08:05 32815 /lib/libresolv-2.2.5.so
56e24000-56e25000 rw-p 0000e000 08:05 32815 /lib/libresolv-2.2.5.so

Local Time = Fri Sep 27 15:44:31 2002
Elapsed Time = 7
#
# HotSpot Virtual Machine Error : 11
# Error ID : 4F530E43505002BD
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# Java VM: Java HotSpot(TM) Server VM (1.3.1_03-b03 mixed mode)
#

As you can see, we use the Server - VM 1.3.1_03-b03 on a RedHat 7.3 Machine. It doesnt seem to be a problem of system - resources. The machine has 1 GB RAM.

It seems that is has something to do with multi - processors. The machine is a IBM Series 330 with two CPUs. If I start a kernel using only a single cpu, the problem does not occur.