Fixes are available
APAR status
Closed as program error.
Error description
Severity: 3 Approver: GC Compid: 5724C04LA ITM UNIX LOG AGENT Release: 6.22 Abstract: AGENT HANGS WHEN TEP DISPLAYS ERRLOG Environment: AIX Problem Description: On AIX system, when displaying the ERRLOG entries in TEP user interfaces, the ITM Unix Log Agent can hang. In particular if many refresh on the workspace are performed. This problem can be evidenced from the procstack output which will show kulagent hang in RAS1 funtions called from createChildForReport()., as in the following example: Stack trace of child 'kulagent' ================ (dbx) where _global_lock_common(??, ??, ??) at 0x900000000f897b4 _mutex_lock(??, ??, ??) at 0x900000000f966fc BSS1_GetLock(0x110012580) at 0x900000002126f10 KBBRAFH(0x110016cd0, 0x110008aa0, 0x2) at 0x900000002138738 KBBSS_FlushBuffer(0x110008a50, 0x100000001) at 0x90000000212af64 BSS1_EndFormat(0x110008a50) at 0x9000000021348a4 RAS1_Format(0x1100045e8, 0x39e0000039e, 0x100033654, 0x110d2b598) at 0x90000000212bbac RAS1_Printf(0x1100045e8, 0x39e0000039e, 0x100033654, 0x110343110, 0x100032fac, 0x110d2b5f0, 0x110d2b600, 0x1) at 0x90000000212bb04 ErrLogFile::createChildForReport(ErrlogBufferInfo*,const _RequestThresholds*)(0x110343010, 0x110dcafb0, 0x110dc07b8) at 0x10001cbf0 ErrLogFile::startReportRequest(void*)(0x110343010, 0x110dc07b8) at 0x10001d568 kul_ullogent_agent::TakeSample()(0x110dc0690) at 0x100014ca4 ctira::DriveDataCollection()(0x110dc0690) at 0x90000000285b47c TableManager::checkForExpiredRequests(long)(0x1103435f0, 0x50d26a2e) at 0x9000000028389fc TableManager::timeout(CTRA_Timerspec_*)(0x110343738) at 0x90000000283a5c8 CTRA_timer_base::TimerCallbackHandler()(0x110bec270) at 0x900000002844c80 krabutmr.Handler_base(void*)(0x110bec270) at 0x9000000028453c4 krabuptm.CTRA_timer_task(void*)(0x110bebe50) at 0x9000000028478a8 ================
Local fix
Problem summary
Problem Description: AGENT HANGS WHEN TEP DISPLAYS ERRLOG Problem/Problem Summary: On AIX system, when displaying the ERRLOG entries in TEP user interfaces, the ITM Unix Log Agent can hang. This problem can be evidenced from the procstack output for kulagent process. It will show a lock in RAS1 funtions called by the function: ErrLogFile::createChildForReport()
Problem conclusion
The fix for this APAR will be contained in the following maintenance package: | FixPack | 6.2.3-TIV-ITM-FP0004
Temporary fix
Comments
APAR Information
APAR number
IV33926
Reported component name
ITM AGENT UNIX
Reported component ID
5724C04LA
Reported release
622
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2012-12-20
Closed date
2013-01-29
Last modified date
2013-01-29
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
ITM AGENT UNIX
Fixed component ID
5724C04LA
Applicable component levels
R623 PSY
UP
R610 PSN
UP
R620 PSN
UP
R621 PSN
UP
R622 PSN
UP
[{"Line of Business":{"code":"LOB45","label":"Automation"},"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSTFXA","label":"Tivoli Monitoring"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"622"}]
Document Information
Modified date:
30 December 2022