A fix is available
APAR status
Closed as program error.
Error description
When large send is enabled on the driver and TCP sends these packets with MSS as 0, adapter might get stalled/stuck as a result transmit failure are logged.
Local fix
Problem summary
When large send is enabled on the driver and TCP sends these packets with MSS as 0, adapter might get stalled/stuck as a result transmit failure are logged.
Problem conclusion
Sanity check is added in the driver, when large send is enabled and driver received these packets with mss value zero, Driver drops them as bad packets.
Temporary fix
Comments
6100-08 - use AIX APAR IV71277 6100-09 - use AIX APAR IV71268 7100-02 - use AIX APAR IV71382 7100-03 - use AIX APAR IV71306
APAR Information
APAR number
IV71306
Reported component name
AIX V7.1
Reported component ID
5765H4000
Reported release
710
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Submitted date
2015-03-23
Closed date
2015-03-23
Last modified date
2016-05-11
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 U864312
UP15/05/19 I 1000
PTF to Fileset Mapping
U864312 devices.pci.1410ec02.rte 7.1.3.45
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Document Information
Modified date:
11 May 2016