A fix is available
APAR status
Closed as program error.
Error description
The ahaqueue process of CAA on VIOS SSP consumes high CPU utilization about 60%. io_delay and get_nextseq function in ahaqueue proc takes high CPU resource. Subroutine % Source ========== ====== ====== .io_delay 47.81 ../../../../../../src/bos/kernel/lib/ libsysp/iodelay.c .get_nextseq 11.05 ../../../../../src/bos/kernel/cluster/ kbase_kernext_services.c
Local fix
Problem summary
High cpu utilization seen in io_delay() and get_nextseq(), no further processing of AHAFS events
Problem conclusion
Fixed algorithm that processed AHAFS events to allow for the case that an AHAFS event was missed, which previously caused an infinite loop.
Temporary fix
Comments
6100-07 - use AIX APAR IV58204 6100-08 - use AIX APAR IV57786 6100-09 - use AIX APAR IV56484 6100-09 - use AIX APAR IV56484 6100-09 - use AIX APAR IV56484 7100-01 - use AIX APAR IV58262 7100-02 - use AIX APAR IV58188 7100-03 - use AIX APAR IV56854 7100-04 - use AIX APAR IV56906
APAR Information
APAR number
IV58188
Reported component name
AIX V7.1
Reported component ID
5765H4000
Reported release
710
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Submitted date
2014-03-31
Closed date
2014-03-31
Last modified date
2016-05-10
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 V7.1
Fixed component ID
5765H4000
Applicable component levels
R710 PSY U859634
UP14/08/12 I 1000
PTF to Fileset Mapping
U859634 bos.mp64 7.1.2.18
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Document Information
Modified date:
10 May 2016