Date: Mon, 28 May 2007 09:48:59 -0700 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: Andre Oppermann <andre@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: Segment failed SYNCOOKIE? Message-ID: <20070528164859.GC87124@troutmask.apl.washington.edu> In-Reply-To: <465AF5C6.2010302@freebsd.org> References: <20070525234115.GA48789@troutmask.apl.washington.edu> <465AF5C6.2010302@freebsd.org>
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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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