PQ79733: JVM crash with a SIGSEGV in a localMark call on a GC Helper thread.

 A fix is available

***SUPERCEDED*** 1.3.1 Java SDK, Java Tech Edition for WebSphere v5



APAR status
Closed as program error.

Error description
External Symptoms:
AppServer jvm terminates and is restarted.  The stderr log
shows the following messages:
<AF 10858 : Allocation Failure. need 13238512 bytes, 28715 ms
since last
AF>
<AF 10858 : managing allocation failure, action=1
(12168280/131004928)
(3145728/3145728)>
        stackpointer=38ff3c78
JVMXM004: JVM is performing abort shutdown sequence
JVMDG217: Dump Handler is Processing a Signal - Please Wait.
JVMDG303: JVM Requesting Java core file
JVMDG304: Java core file written to
.
The javacore written shows:
1XHSIGRECV     SIGSEGV received at 0xd0dcab64 in
/usr/opt/WebSphere2/AppServer/java/jre/bin/classic/libjvm.a.
Processing terminated.
1XHFULLVERSION J2RE 1.3.1 IBM AIX build ca131-20030329a
.
The Current thread details will show:
1XHCURRENTTHD  Current Thread Details
NULL           ----------------------
2XHCURRSYSTHD      "GC Helper 8" sys_thread_t:0x389C4440
3XHNATIVESTACK       Native Stack
NULL                 ------------
3XHSTACKLINE         at 0xD0DC0DF4 in localMark
3XHSTACKLINE         at 0xD0DCAB64 in parallelMark
3XHSTACKLINE         at 0xD0DBFF34 in parallelMarkHelper
3XHSTACKLINE         at 0xD0DDDB3C in gcHelper
3XHSTACKLINE         at 0xD0D16B68 in xmExecuteThread
3XHSTACKLINE         at 0xD0CFCB64 in threadStart
3XHSTACKLINE         at 0xD00B6DB0 in _start
3XHSTACKLINE         at 0xD00080CC in _pthread_body
.
This is SOV defect 62609.
This problem was observed in ca131-20030329.
Local fix
Disabling the jit will prevent this problem.
.
The permanent fix is to upgrade to ca131-20031016
Problem summary
****************************************************************
* USERS AFFECTED: All users of IBM JDK ca131-20030329.         *
****************************************************************
* PROBLEM DESCRIPTION: JVM crash with a SIGSEGV in a           *
*                      localMark call on a GC Helper thread.   *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
AppServer jvm terminates and is restarted.  The stderr log
shows the following messages:
<AF 10858 : Allocation Failure. need 13238512 bytes, 28715 ms
since last AF>
<AF 10858 : managing allocation failure, action=1
 (12168280/131004928) (3145728/3145728)>
  stackpointer=38ff3c78
JVMXM004: JVM is performing abort shutdown sequence
JVMDG217: Dump Handler is Processing a Signal - Please Wait.
JVMDG303: JVM Requesting Java core file
JVMDG304: Java core file written to .

The javacore written shows:
1XHSIGRECV     SIGSEGV received at 0xd0dcab64 in
 /usr/opt/WebSphere2/AppServer/java/jre/bin/classic/libjvm.a.
 Processing terminated.
 1XHFULLVERSION J2RE 1.3.1 IBM AIX build ca131-20030329a.
Problem conclusion
This is a JDK, SOV defect 62609 and the problem was observed in
ca131-20030329.
Temp Fix:
 - Disabling the jit will prevent this problem.
The permanent fix is to upgrade to ca131-20031016 .
Temporary fix Comments
APAR information
APAR number PQ79733
Reported component name WEBSPHERE AE AI
Reported component ID 5630A2200
Reported release 400
Status CLOSED PER
PE NoPE
HIPER NoHIPER
Submitted date 2003-10-16
Closed date 2003-10-29
Last modified date 2003-10-29

APAR is sysrouted FROM one or more of the following:

APAR is sysrouted TO one or more of the following:

Modules/Macros
JDK          

SRLS

Fix information

Applicable component levels
R400 PSY    UP


Document Information


Product categories: Software > Application Servers > Distributed Application & Web Servers > WebSphere Application Server > General
Operating system(s):
Software version: 400
Software edition:
Reference #: PQ79733
IBM Group: Software Group
Modified date: Oct 29, 2003