APAR status
Closed as program error.
Error description
The MQ channel initiator process runmqchi terminates unexpectedly because of a memory exception(SIGSEGV on UNIX/LINUX). The following Failure Data Capture (FDC) records might be generated during the failure. Probe Id :- XC130003 Component :- xehExceptionHandler Program Name :- runmqchi Thread :- 1 ChannelInitiator Major Errorcode :- STOP Probe Type :- HALT6109 Arith1 :- 11 (0xb) Comment1 :- SIGSEGV: address not mapped (0x7fbb19334e30) MQM Function Stack riiInitiator riiCheckChannels xcsFFST Probe Id :- RM058101 Component :- riiCheckChannels Program Name :- runmqchi Thread :- 1 ChannelInitiator Major Errorcode :- STOP Probe Type :- HALT6109 MQM Function Stack riiInitiator riiCheckChannels xcsFFST
Local fix
Restart the channel initiator.
Problem summary
**************************************************************** USERS AFFECTED: Users using MQ channel initiators Platforms affected: MultiPlatform **************************************************************** PROBLEM DESCRIPTION: This problem occurred because runmqchi process did not correctly manage the memory references associated with the channels and this caused the process to access an incorrect memory address, which resulted in a memory exception.
Problem conclusion
The MQ channel initiator logic has been corrected to prevent the illegal memory access. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: Version Maintenance Level v8.0 8.0.0.9 v9.0 CD 9.0.5 v9.0 LTS 9.0.0.4 The latest available maintenance can be obtained from 'WebSphere MQ Recommended Fixes' http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006037 If the maintenance level is not yet available information on its planned availability can be found in 'WebSphere MQ Planned Maintenance Release Dates' http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006309 ---------------------------------------------------------------
Temporary fix
Comments
APAR Information
APAR number
IT23576
Reported component name
IBM MQ BASE MP
Reported component ID
5724H7251
Reported release
800
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2017-12-26
Closed date
2018-01-31
Last modified date
2018-01-31
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
IBM MQ BASE MP
Fixed component ID
5724H7251
Applicable component levels
[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSYHRD","label":"IBM MQ"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"8.0.0.0","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
31 January 2018