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| XC130003 with SIGSEGV address not mapped on AIX MQ v6.0.2.10 |
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Message
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| yupoet |
 Posted: Mon May 07, 2012 4:34 am Post subject: XC130003 with SIGSEGV address not mapped on AIX MQ v6.0.2.10 |
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Apprentice
Joined: 26 Nov 2008
Posts: 36
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A MQ FDC error was found -->
| Quote: |
| Date/Time :- Monday May 07 11:17:42 GMT+08:00 2012 |
| Host Name :- deleted (AIX 6.1) |
| PIDS :- 5724H7201 |
| LVLS :- 6.0.2.10 |
| Product Long Name :- WebSphere MQ for AIX |
| Vendor :- IBM |
| Probe Id :- XC130003 |
| Application Name :- MQM |
| Component :- xehExceptionHandler |
| SCCS Info :- lib/cs/unix/amqxerrx.c, 1.214.1.13 |
| Line Number :- 1371 |
| Build Date :- Aug 25 2010 |
| CMVC level :- p600-210-100825 |
| Build Type :- IKAP - (Production) |
| UserID :- 00000203 (mqm) |
| Program Name :- amqrmppa |
| Addressing mode :- 64-bit |
| Process :- 10813494 |
| Thread :- 3230 |
| QueueManager :- AIXMQ001 |
| ConnId(1) IPCC :- 3120381 |
| ConnId(3) QM-P :- 2934870 |
| Last HQC :- 3.0.1-735800 |
| Last HSHMEMB :- 1.2.2-5060496 |
| Major Errorcode :- STOP |
| Minor Errorcode :- OK |
| Probe Type :- HALT6109 |
| Probe Severity :- 1 |
| Probe Description :- AMQ6109: An internal WebSphere MQ error has occurred. |
| FDCSequenceNumber :- 0 |
| Arith1 :- 11 b |
| Comment1 :- SIGSEGV: address not mapped(2e20000000000a00) | |
The connection is from JAVA program .binding config to AIX Queue manager via SVRCONN channel.
Behavior:
The application will open up a SVRCONN channel, and keep it open for as long as possible, then try to put/get messages multiple times until the channel got disconnected by any reason. Then the program will be reloaded again manully.
Problem:
The svrconn channel got disconnected for unknown reason and FDC reports are generated. Attached the FDC files.
Have checked
1. http://www-01.ibm.com/support/docview.wss?uid=swg1IZ36038
FDC with Probe ID XC130003 SIGSEGV from WebSphere MQ Extended Transactional Client when called in error from a handler
but it's 6.0.2.10, already covered the fixpack 6.0.2.6
2. http://www-01.ibm.com/support/docview.wss?uid=swg21263631
We have installed an channel exit (support pac ma0z) in send exit and receive exit field, but without restarting the channel, nor the queue manager.
Is it a must to recycle MQ channel and queue manager after installing a channel exit?
see as described in the article above -->
amqrmppa
| Quote: |
In order to clean up the problem it is first necessary to stop the queue manager. Because this amqrmppa process is in a perpetual hang, endmqm won't complete successfully until it is killed, for example by running 'kill -9 311466'. Once the queue manager and its listener have stopped, the rebuilt exit program should be installed. On AIX root must run the command 'slibclean' to flush the old exit code out of the kernel library cache. Finally, after restarting the queue manager, the new exit is able to handle incoming client connections without any problem |
_________________
With warm regards and thanks! |
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| gbaddeley |
| Posted: Mon May 07, 2012 3:33 pm Post subject: Re: XC130003 with SIGSEGV address not mapped on AIX MQ v6.0. |
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Jedi Knight
Joined: 25 Mar 2003
Posts: 2538
Location: Melbourne, Australia
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| yupoet wrote: |
... 2. http://www-01.ibm.com/support/docview.wss?uid=swg21263631
We have installed an channel exit (support pac ma0z) in send exit and receive exit field, but without restarting the channel, nor the queue manager.
Is it a must to recycle MQ channel and queue manager after installing a channel exit? |
Try removing the channel exit from the svrconn definition.
Defining or removing an exit will take effect next time a channel instance is started. It will not affect any currently running instances which may be using the exit.
There is a known bug with the current released version of this exit on the AIX platform which may produce this symptom.
_________________
Glenn |
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