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Date:      Sat, 24 Aug 2002 19:06:31 +0200 (METDST)
From:      hm@hcs.de (Hellmuth Michaelis)
To:        FreeBSD Current <freebsd-current@freebsd.org>
Subject:   cvs/network problems ?
Message-ID:  <20020824170631.11998501@hcswork.hcs.de>

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For some days i'm not able to cvs checkout from a stable to a current
machine anymore. The stable machine runs a stable as of today, the current
a currect as of yesterday or the day before.

On the current machine, i start (to a fresh,clean,empty src tree)

	cvs -d stable.machine:/var/cvs/os checkout -P src

and it starts to run:

cvs server: Updating src
U src/COPYRIGHT
U src/MAINTAINERS
U src/Makefile
U src/Makefile.inc1
U src/Makefile.upgrade
U src/README
U src/UPDATING
cvs server: Updating src/bin
U src/bin/Makefile
U src/bin/Makefile.inc
cvs server: Updating src/bin/cat
U src/bin/cat/Makefile
U src/bin/cat/cat.1
U src/bin/cat/cat.c
cvs server: Updating src/bin/chio
U src/bin/chio/Makefile
U src/bin/chio/chio.1
U src/bin/chio/chio.c
U src/bin/chio/defs.h
U src/bin/chio/pathnames.h
cvs server: Updating src/bin/chmod
U src/bin/chmod/Makefile
U src/bin/chmod/chmod.1
U src/bin/chmod/chmod.c
cvs server: Updating src/bin/cp
U src/bin/cp/Makefile
U src/bin/cp/cp.1
U src/bin/cp/cp.c
U src/bin/cp/extern.h
U src/bin/cp/utils.c
cvs server: Updating src/bin/csh
U src/bin/csh/Makefile
U src/bin/csh/config.h
U src/bin/csh/host.defs
cvs server: Updating src/bin/csh/USD.doc

and hangs here.

some time later i get:

Read from remote host stable.machine.org: Connection reset by peer
U src/bin/csh/USD.doc/Makefile
U src/bin/csh/USD.doc/csh.1
U src/bin/csh/USD.doc/csh.2
U src/bin/csh/USD.doc/csh.3
U src/bin/csh/USD.doc/csh.4
U src/bin/csh/USD.doc/csh.a
U src/bin/csh/USD.doc/csh.g
U src/bin/csh/USD.doc/tabs
cvs [checkout aborted]: end of file from server (consult above messages if any)

Everything (network-related) else runs fine, while it hangs, i'm able
to ping, shh etc. In the last days i have upgraded the current machine
by checking current out on the stable machine and then xferring it
over by scp - runs fine.

Strange: i have just made some tests and once i reduce the mtu (did it
on the stable machine) to 512 bytes, cvs runs! 

Is this some sort of known problem ?

hellmuth
-- 
Hellmuth Michaelis                                    Tel   +49 40 55 97 47-70
HCS Hanseatischer Computerservice GmbH                Fax   +49 40 55 97 47-77
Oldesloer Strasse 97-99                               Mail  hm [at] hcs.de
D-22457 Hamburg                                       WWW   http://www.hcs.de

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