ssh/ethernet hanging...

Tyler Aviss tjaviss-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org
Tue Sep 13 06:04:26 UTC 2011


What's the load like during transfer? We had one machine that had major load
during scp, and it was NOT a timid box at all hardware-wise.
On Sep 12, 2011 4:59 PM, "Peter King" <peter.king.1-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org> wrote:
> After persistant hangs and errors in one of my computers, I took out all
the
> added memory and the gigabyte ethernet cards, reverting to some old DDR
memory
> and the on-board via-rhine LAN. The memory has worked well. But I'm still
having
> an occasional problem with ssh transfers -- specifically, when I transfer
lots of
> files (no one of which is all that large), at some indeterminate point in
the
> process, it just hangs.
>
> Before I blamed it on the gigabyte ethernet cards. But the on-board LAN is
just
> a 10/100 connection. And I get it even when the computer is doing sending,
not
> just when it's receiving. So where's the problem? Is it ssh or is it the
ethernet
> card? It seems improbable that three distinct kernel drivers (two for the
gigabyte
> cards and one for the on-board LAN) are each buggy in the same way. But
google as
> I might, I don't find anything about ssh failing after, ohh, 8000 files or
so. It
> has had problems with extremely large files, but that doesn't seem to be
what's
> going on here.
>
> I set ssh verbosity to VERBOSE in the logfiles, and I get nothing. It just
stops.
>
> Buggy hardware on the motherboard? Seems like it could be some kind of
cache memory
> that fills up... I really have no clue at this point. All suggestions
welcome.
>
> --
> Peter King peter.king-H217xnMUJC0sA/PxXw9srA at public.gmane.org
> Department of Philosophy
> 170 St. George Street #521
> The University of Toronto (416)-978-4951 ofc
> Toronto, ON M5R 2M8
> CANADA
>
> http://individual.utoronto.ca/pking/
>
> =========================================================================
> GPG keyID 0x7587EC42 (2B14 A355 46BC 2A16 D0BC 36F5 1FE6 D32A 7587 EC42)
> gpg --keyserver pgp.mit.edu --recv-keys 7587EC42
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