APAR status
Closed as program error.
Error description
Error Message: SIGSEGV received in libjitc.so . Stack Trace: Few top frames are: fi_init() at /userlvl/cxia32142/src/jit/pfm/ia32/runtime/rtx86stack_.c:1074 xeGetCallerClass at /userlvl/cxia32142/src/jvm/sov/xe/common_mmi/mmi_frame.c:269 jni_FindClass at /userlvl/cxia32142/src/jvm/sov/ci/jni.c:643 Rest of stack contains application code and can vary. OR libjitc.so::fi_prev+0x46d libjvm.so::xeFillStackTrace+0x71f libjvm.so::JVM_FillInStackTrace+0x4b libjvm.so::JVM_FillInStackTrace+0x21 libcore.so::Java_java_lang_Throwable_fillInStackTrace+0x17 java.lang.Throwable.fillInStackTrace (Exception.java)::java.lang.Exception.<init> . The crash occurs during Frame Traversal when JVMPI agent is used.
Local fix
N/A
Problem summary
Crash in fi_init during initialization of frame traversal. Crash in fi_prev when traversing the stack in response to exception thrown by jvmpi agent which gets invoked during jit compilation of a method.
Problem conclusion
This defect will be fixed in: 1.4.2 SR13 FP5 (Linux IA32) . Introduce additional checks in fi_init to prevent the particular code flow which resulted in crash . To obtain the fix: Install build 20100115 or later
Temporary fix
Comments
APAR Information
APAR number
PM00520
Reported component name
JAVA LINUX IA32
Reported component ID
5648C9804
Reported release
142
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2009-11-05
Closed date
2010-01-26
Last modified date
2010-04-11
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
JAVA LINUX IA32
Fixed component ID
5648C9804
Applicable component levels
R142 PSN
UP
[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSNVBF","label":"Runtimes for Java Technology"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"1.4.2","Edition":"","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]
Document Information
Modified date:
11 April 2010