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Date: Thu, 10 Jul 2008 20:31:21 +0200
From: Kris Kennaway <kris@FreeBSD.org>
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To: Oliver Fromme <olli@fromme.com>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sbin/mount_nfs mount_nfs.c
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Oliver Fromme wrote:
> Kris Kennaway wrote:
>  > 
>  > kris        2008-07-10 17:53:10 UTC
>  > 
>  >   FreeBSD src repository
>  > 
>  >   Modified files:
>  >     sbin/mount_nfs       mount_nfs.c 
>  >   Log:
>  >   SVN rev 180435 on 2008-07-10 17:53:10Z by kris
>  >   
>  >   Fix -o mntudp after the conversion to default TCP mounts
>  >   
>  >   Submitted by:   danfe
>  >   MFC after:      1 week
> 
> Does that mean you will also MFC the conversion to default
> TCP mounts?  RELENG_7 still uses UDP by default.
> 
> If you MFC that, I suggest you add an entry to src/UPDATING
> and possibly post a headsup to the -stable list, because
> the change might affect people in unexpected ways.

Yeah I will.  I had planned to MFC it already actually (and had 
forgotten), but there were problems reported initially that turned out 
to be non-problems.

> Currently I happen to work at a customer with several
> NetApp filers that support TCP mounts only if the -U
> option is used.  UDP mounts work fine.  TCP mounts without
> the -U option just hang and require a reboot.  It is
> probably a bug in the filers' firmware, but said customer
> cannot update the firmware for other, unrelated reasons.
> 
> Another case where people might be bitten is when there
> are packet filter rules that allow UDP mounts only.
> 
> An appropriate UPDATING entry and/or a HEADSUP in -stable
> might save some people's day.

Kris