A fix is available
APAR status
Closed as program error.
Error description
System responds sluggishly or is completely hung. Multiple CPUs show the following stack as they spin on atomic op pvthread+010E00 STACK: Ý0000AF28¨.fetch_and_nop+000008 () Ý000DE37C¨dr_mpc_freeze_handler+0000DC () Ý001EACBC¨drp_mpc_handler+00013C () Ý0030C244¨i_softmod+000584 () Ý00154A14¨flih_util+000260 ()
Local fix
Problem summary
System responds sluggishly or is completely hung. Multiple CPUs show the following stack as they spin on atomic op pvthread+010E00 STACK: 0000AF28 .fetch_and_nop+000008 () 000DE37C dr_mpc_freeze_handler+0000DC () 001EACBC drp_mpc_handler+00013C () 0030C244 i_softmod+000584 () 00154A14 flih_util+000260 ()
Problem conclusion
Perform an unserialized read of the shared word first and then a serialized, atomic read only when the first read indicates a value is present.
Temporary fix
Comments
6100-09 - use AIX APAR IV55958 6100-09 - use AIX APAR IV55958 6100-09 - use AIX APAR IV55958 7100-03 - use AIX APAR IV55974 7100-04 - use AIX APAR IV56109
APAR Information
APAR number
IV55958
Reported component name
AIX 610 STD EDI
Reported component ID
5765G6200
Reported release
610
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Submitted date
2014-02-26
Closed date
2014-02-26
Last modified date
2017-06-19
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
AIX 610 STD EDI
Fixed component ID
5765G6200
Applicable component levels
R610 PSY U859304
UP14/05/21 I 1000
PTF to Fileset Mapping
U859304 bos.mp64 6.1.9.15
[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSLLZP","label":"AIX Standard Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSMV87","label":"AIX 6.1 Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSMVAX","label":"AIX Express Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSAUMY","label":"IBM AIX Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"","label":""}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11Q","label":"AIX 6.1 HIPERS, APARs and Fixes"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"","label":""}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11R","label":"APARs - AIX 7.1 environment"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"","label":""}}]
Document Information
Modified date:
19 June 2017