Re: [condor-users] Dagman stalling with shadow exception messages?

["Michael S. Root" <mike@xxxxxxxxxxxxxx>]

Nope, all submit and render machines are in the same physical office, are 
on the same subnet (192.168.1.0), and are all on the same switch (actually 
three 3com 4400s stacked).  I've been looking out for congestion problems, 
but no machine has more than about 20-40 dropped packets over the last 
three months.  None of the machines, render or submit, are running packet 
filters of any kind.

-Mike

On Tuesday 06 April 2004 11:23, Mark Calleja wrote:
> Hi Michael,
>
> >-- ShadowLog on submit host:
> >4/6 21:00:27 Initializing a VANILLA shadow
> >4/6 21:00:27 (22190.0) (7173): Request to run on <192.168.1.111:32771>
> > was ACCEPTED
> >4/6 21:00:27 (22190.0) (7173): ERROR "Can no longer talk to
> > condor_starter on execute machine (192.168.1.111)" at line 63 in file
> > NTreceivers.C ----------------------
> >Note: The above message is repeated for any render host that gets
> > matched, and the hosts are definitely up and visible to the submit
> > host.  In addition, that same render host will happily render other
> > jobs from other dags in other people's queues.
>
> You say that the execute node is "visible" to the submit node: to what
> extent? The times I have experienced these error messages it was due to
> a firewall somewhere blocking some traffic back to the submitting node.
> Is your environment firewalled, or does that submitting node run its own
> firewall (pfilter, etc.)?
>
> Just my two cents' worth...
>
> Mark
>
> --
> Dr Mark Calleja
> Department of Earth Sciences, University of Cambridge
> Downing Street, Cambridge CB2 3EQ, UK
> Tel. (+44/0) 1223 333408, Fax  (+44/0) 1223 333450
> http://www.esc.cam.ac.uk/~mcal00
>
>
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