APAR status
Closed as fixed if next.
Error description
A tcp request/response style communication exchange may hang after a pure ACK packet is received and the application is about to send a new packet. An iptrace will show this type of pattern right before the exchange stops: request host1>host2 response host2>host1 ACK host1>host2 --- no further communications for this socket ---
Local fix
This is a rare condition exposed by efix for defect 882715.
Problem summary
A tcp request/response style communication exchange may hang when application is about to send a new packet and a pure ACK packet is received. Very rare timing scenario exposes this problem.
Problem conclusion
Temporary fix
Comments
This APAR is being closed FIN. This means that a solution to this APAR is expected to be delivered from IBM in a release (if any) to be available within the next 24 months.
APAR Information
APAR number
IV53443
Reported component name
AIX V7.1
Reported component ID
5765H4000
Reported release
710
Status
CLOSED FIN
PE
NoPE
HIPER
NoHIPER
Submitted date
2013-12-18
Closed date
2014-11-25
Last modified date
2014-11-25
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Applicable component levels
R710 PSY
UP
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Document Information
Modified date:
25 November 2014