[ofa-general] Re: Slow failover of IPoIB ipoibtools/bonding (bug 541)

Michael S. Tsirkin mst at dev.mellanox.co.il
Thu Apr 19 20:26:49 PDT 2007


> Quoting Scott Weitzenkamp (sweitzen) <sweitzen at cisco.com>:
> Subject: Slow failover of IPoIB ipoibtools/bonding (bug 541)
> 
> Roland, Michael, or Sean, this is what I see when IPoIB failover is slow, how
> do we get this fixed?
>  
>  
> ib0: Request connection 0x60406 for gid fe80:0000:0000:0000:0002:c902:0020:e1d9
> qpn 0x404
> ib0: REP received.
> ib0: REQ arrived
> ib0: failed cm send event (status=12, wrid=45 vend_err 81)
> ib0: Destroy active connection 0x60406 head 0x6546f tail 0x6546e
> ib0: Request connection 0x70406 for gid fe80:0000:0000:0000:0002:c902:0020:e1d9
> qpn 0x404

Scott, this a result of port going down, the message is benign.
For simplicity, could you please check whether slow failover is observed with
datagram mode? This takes a couple of variables out of the equation.

-- 
MST



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