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Subject: RE: nfsd and mountd startup problem - workaround
Date: Tue, 24 Aug 2004 10:11:30 -0400
Message-ID: <3D848382FB72E249812901444C6BDB1D03E04E4A@exchange.timesys.com>
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From: "Robb, Sam" <sam DOT robb AT timesys DOT com>
To: "Egil Hjelmeland" <privat AT egil-hjelmeland DOT no>, <cygwin AT cygwin DOT com>
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Egil,

  Thanks very much for the report, the diagnosis, and particularly
the steps to reproduce.  I'll see if this can be corrected (or at
least documented) in the next nfs-server release.

-Samrobb


-----Original Message-----
From:	Egil Hjelmeland [mailto:privat AT egil-hjelmeland DOT no]
Sent:	Tue 8/24/2004 7:44 AM
To:	cygwin AT cygwin DOT com
Cc:	
Subject:	nfsd and mountd startup problem - workaround

Like previously reported on this list; I have also problems with the
rpc.mountd.exe and  rpc.nfsd.exe from Cygwin.

The error messages are

  mountd[2896] 07/11/104 10:49 rpcmisc.c 92 : unable to register (mountd, 1,
udp).
  Cannot register service: RPC: Unable to send; errno = Cannot assign
requested address

and

  nfsd[2184] 08/23/104 10:59 rpcmisc.c 92 : unable to register (nfsd, 2,
udp).
  Cannot register service: RPC: Unable to send; errno = Cannot assign
requested address

The problem started after installing some VPN client SW from Sentinel.

The workaround is quite simple, (but required quite some time of
head-scratching):
- - -
Disable the virtual network adaptor for the VPN connection ( I am running
Win XP):

Control panel / Administrative Tools/ Computer Management:
 Enter Systemtoools / Device manager.

   View -> Show Hidden devices

Open "Network Adaptors"

  Select "SSH Virtual Network Adaptor (sshvnic)" and disable it.

Then start nfsd and mountd
- - -
When nfsd and mountd is running, it is possible to reenable the sshvnic
driver, and reconnct the VPN connection.
- - -

It seems to me that nfsd/mountd tries to bind to all enabled network
interfaces. If one of them fail, it throws in the towel. Whether this
behaviour is due to nfsd/mountd it self, or cygwin libraries, or Windows, I
can not tell. Apparently, the Sentinel SW does not register its driver
properly in the registry, so the virtual network adaptor always appear as
disconnected when running ipconfig. The same nfsd/mountd problem occurs when
a physical network connection is physically disconnected.

I hope this information will help others with similar problems.

Best regards
Egil Hjelmeland




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