informix经常down，各位看看是什么原因？
环境：informix版本11.50.fc3，双cpu的服务器报错如下：
09:28:41Assert Failed: Exception Caught. Type: MT_EX_OS, Context: mem
09:28:41IBM Informix Dynamic Server Version 11.50.FC3
09:28:41 Who: Session(587712, shopuser@192.168.1.7, 2368, 0x5b787018)
Thread(590710, sqlexec, 5b757fe8, 1)
File: mtex.c Line: 412
09:28:41 Action: Please notify IBM Informix Technical Support.
09:28:41stack trace for pid 2602 written to /home/informix/tmp/af.75e63c9
09:28:41 See Also: /home/informix/tmp/af.75e63c9, shmem.75e63c9.0
09:28:43Recursive Exception - Server exiting
09:28:43invoke_alarm(): /bin/sh -c '/home/informix/etc/alarmprogram.sh 5 6 "Internal Subsystem failure: 'MT'" "Recursive Exception - Server exiting" ""'
09:28:43invoke_alarm(): mt_exec failed, status 32256, errno 0
09:28:44The Master Daemon Died
09:28:44invoke_alarm(): /bin/sh -c '/home/informix/etc/alarmprogram.sh 5 6 "Internal Subsystem failure: 'MT'" "The Master Daemon Died" ""'
09:28:44invoke_alarm(): mt_exec failed, status 32256, errno 0
09:28:44PANIC: Attempting to bring system down
09:33:25IBM Informix Dynamic Server Started.
09:33:25The number of configured CPU poll threads exceeds 'NUMCPUVPS'.
NETTYPE 'onlf' poll threads started on NET VPs.
找了半天找不到什么原因，各位帮忙分析下是哪里的问题？ 本帖最后由 boyfsl 于 2014-01-04 10:50 编辑
我能不能把ALARMPROGRAM $INFORMIXDIR/etc/alarmprogram.sh给屏蔽了？
是不是执行了alarmprogram.sh，把数据库给down了？ 两个建议：
1，升级到11.50.FC9
2，NETTYPE 的参数中的线程数量减少到VPCLASS cpu中指定的数量。。 简单的说就是Informix BUG
要么升级要么看看af文件里面的sql语句,能不能从应用层面避免.
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