Fixes are available
APAR status
Closed as program error.
Error description
traceback from a dump of the abend shows: sigaction +0000015A Exception childmgr_pre_mpm +000000F4 ap_run_pre_mpm +0000004A event_run +00000060 ap_run_mpm +00000048 main +00001072 may see this in the error log: CEE3204S The system detected a protection exception (System Completion Code=0C4). From entry point childmgr_pre_mpm at compile unit offset +000000F4 at entry offset +000000F4 CEE5203S The signal SIGSEGV was received. AH00052: child pid 263250 exit signal Segmentation fault (11)
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM HTTP Server * **************************************************************** * PROBLEM DESCRIPTION: IHS may crash at startup in the * * sigaction() system call * **************************************************************** * RECOMMENDATION: * **************************************************************** IHS may crash at startup in the sigaction() system call. This is a result of all elements of the "struct sigaction" object not being initialized / zeroed out. Crashes were observed only on z/OS.
Problem conclusion
Updated code to zero out all elements of "struct sigaction" before setting fields we care about The fix for this APAR is targeted for inclusion in IBM HTTP Server fix packs 8.5.5.21 and 9.0.5.10. For more information, se 'Recommended Updates for WebSphere Application Server': https://www.ibm.com/support/pages/node/715553
Temporary fix
Comments
APAR Information
APAR number
PH39660
Reported component name
WAS IHS ZOS
Reported component ID
5655I3510
Reported release
850
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2021-08-06
Closed date
2021-08-09
Last modified date
2021-08-09
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
WAS IHS ZOS
Fixed component ID
5655I3510
Applicable component levels
R850 PSY
UP
[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SS7K4U","label":"WebSphere Application Server for z\/OS"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"8.5","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
04 May 2022