A fix is available
APAR status
Closed as program error.
Error description
This affects only specific Power8 ethernet adapters: PCIe2 2-Port 10GbE Base-T Adapter. PCIe2 4-Port (10GbE SFP+ & 1GbE RJ45) Adapter . When the adapter is in promiscuous mode and an adapter reset occurs, network packets will no longer be received, though transmits can still work. . This has been primarily seen on VIOS systems using SEA (Shared Ethernet Adapter) on top of this adapter. . When SEA failover happens and the SEA transitions from Primary to Backup, it performs an adapter reset on the physical adapter. This can cause the physical adapter to stop receiving packets, which will effectively disconnect the VIOS and all VIO client LPARs from the external network.
Local fix
This can be safely avoided by changing the SEA behavior to not issue the adapter reset on failover: > chdev -l <sea device> -a adapter_reset=no This will not affect SEA failover functionality as long as the default backup RARP method is enabled: > chdev -l <sea device> -a send_RARP=yes This can be safely avoided by changing the SEA behavior to not issue the adapter reset on failover: > chdev -l <sea device> -a adapter_reset=no This will not affect SEA failover functionality as long as the default backup RARP method is enabled: > chdev -l <sea device> -a send_RARP=yes Set adapter_reset attribute of SEA to "no" to avoid the port being reset by SEA.
Problem summary
Configuring adapter(FC#EN0S and FC#EN0W) as a SEA for a VIOS and with ctrl_chan attribute.adapter stops working, ping fails
Problem conclusion
Changes were made to the adapter driver to work normally after an adapter reset is issued.
Temporary fix
Comments
6100-08 - use AIX APAR IV64473 6100-09 - use AIX APAR IV63449 7100-02 - use AIX APAR IV64292 7100-03 - use AIX APAR IV63680
APAR Information
APAR number
IV63449
Reported component name
VIRTUAL I/O SER
Reported component ID
5765G3400
Reported release
610
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Submitted date
2014-08-12
Closed date
2014-08-20
Last modified date
2015-01-21
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 U861175
UP14/10/28 I 1000
PTF to Fileset Mapping
U861175 devices.ethernet.shi.rte 6.1.9.30
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Document Information
Modified date:
21 January 2015