IDS Instance crashed

Hi, We are validating the data for a table as given below. But every time this process is in execution the IDS instance get crashed. Here is some excerpt from the dump file created by the IDS, which we think shows the problematic area. Can somebody help what could be the reason? is there some issue with memory allocted to a sesssion? oncheck -cD accounts:trans ------------------------------------------------------------------------ session #RSAM total used dynamic id user tty pid hostname threads memory memory explain 24 informix 2 2499 CA-DB 1 563240960 287882096 off tid name rstcb flags curstk status 141 oncheck 11b1065f0 ---PRR- 461556255 running- Memory pools count 1 name class addr totalsize freesize #allocfrag #freefrag 24 V 11c15f040 563240960 275358864 137224 137135 name free used name free used overhead 0 3288 scb 0 144 opentable 0 6616 filetable 0 1768 misc 0 272 log 0 16536 temprec 0 19616 blob 0 832 gentcb 0 1632 ostcb 0 2872 tbutility 0 144 sqscb 0 7968 sql 0 72 hashfiletab 0 552 osenv 0 2760 oncheck 0 287815040 sqtcb 0 1904 fragman 0 80 ------------------------------------------------------------------------ below are the online log entries: ------------------------------------------------------------------------ 15:07:47 Action: Please notify IBM Informix Technical Support. 15:07:47 See Also: /u/informix11.5-3/tmp/af.2dc863b1, shmem.2dc863b1.0 Assertion Failure Type: CRASH Host Name: CA-DB Database Server Name: ids_hrms Time of failure: Fri Oct 30 15:07:48 PDT 2009 AF file: /u/informix11.5-3/tmp/af.2dc863b1 Shared memory file: None System Blocking: OFF 15:09:30 mtex.c, line 491, thread 76256, proc id 15791, No Exception Handler. sh: /u/informix11.5-3/etc/alarmprogram.sh: not found 15:09:31 invoke_alarm(): /bin/sh -c '/u/informix11.5-3/etc/alarmprogram.sh 5 6 "Internal Subsystem failure: 'MT'" "mtex.c, line 491 , thread 76256, proc id 15791, No Exception Handler." ""' 15:09:31 invoke_alarm(): mt_exec failed, status 256, errno 0 15:09:32 The Master Daemon Died 15:09:32 The Master Daemon Died sh: /u/informix11.5-3/etc/alarmprogram.sh: not found 15:09:32 invoke_alarm(): /bin/sh -c '/u/informix11.5-3/etc/alarmprogram.sh 5 6 "Internal Subsystem failure: 'MT'" "The Master Daemo n Died" ""' 15:09:32 invoke_alarm(): mt_exec failed, status 256, errno 0 sh: /u/informix11.5-3/etc/alarmprogram.sh: not found 15:09:32 invoke_alarm(): /bin/sh -c '/u/informix11.5-3/etc/alarmprogram.sh 5 6 "Internal Subsystem failure: 'MT'" "The Master Daemo n Died" ""' 15:09:32 invoke_alarm(): mt_exec failed, status 256, errno 0 15:09:32 PANIC: Attempting to bring system down ------------------------------------------------------------------------ regards, Kamran OS version: SunOS 5.10 Generic_125100-09 sun4v sparc SUNW,Sun-Fire-T2000 IDS version: IBM Informix Dynamic Server Version 11.50.FC3W1

Post the stack from the af file - someone from IBM Support can possibly id a bug from the stack if appropriate. MM