Segment failed SYNCOOKIE?
Steve Kargl
sgk at troutmask.apl.washington.edu
Mon May 28 16:50:42 UTC 2007
On Mon, May 28, 2007 at 05:31:18PM +0200, Andre Oppermann wrote:
> Steve Kargl wrote:
> >Anyone have ideas on how to cure
> >
> >May 25 16:20:03 node13 kernel: TCP: [192.168.0.15]:53815 to
> >[192.168.0.13]:50992 tcpflags 0x11<FIN,ACK>; syncache_expand:
> >Segment failed SYNCOOKIE authentication
> >
> >The hardware and kernel on 192.168.0.15 and 192.168.0.13
> >are identical.
>
> Do you have any daemon listening on [192.168.0.13]:50992?
>
This appears to come during a MPI computation. I've tried
both MPICH2 and Open-MPI, and home directories are propagated
via NFS. I have to run to a soccer tournament. Back in 4
hours.
--
Steve
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