Date: Wed, 2 Feb 2000 10:00:41 +1030 From: Greg Lehey <grog@lemis.com> To: patrick@whetstonelogic.com Cc: questions@FreeBSD.ORG Subject: Re: Fwd: Re: Diskless Booting a Sun4C Message-ID: <20000202100041.B55303@freebie.lemis.com> In-Reply-To: <200002011533.KAA39316@patrick.whetstonelogic.com> References: <200002011533.KAA39316@patrick.whetstonelogic.com>
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On Tuesday, 1 February 2000 at 10:33:11 -0500, patrick@whetstonelogic.com wrote:
> I am in the process of creating a diskless boot How-To for FreeBSD to
> show how to boot other *BSD OS's from FreeBSD.
>
> I am trying to diskless boot a Sun4C with OpenBSD from my FreeBSD box.
> However, when it goes to nfs mount the file system, it repeatedly gives
> me errors:
>
> RPC timeout from server 0xd298823c1 (not real number)
>
> I contacted the OpenBSD people and they responded with the message
> below.
>
> Yet, I am able to boot NetBSD, and a X.kernel from this same setup.
> And it is the /root directory that is having trouble, not the swap file.
> I've also started 'mountd -r' to attempt what Theo suggested.
>
> Any ideas on how to get this working?
>
> Patrick
>
> ------ Forwarded message ------
> From: Theo de Raadt <deraadt@cvs.openbsd.org>
>
> The FreeBSD mount daemon is broken. It requires a special option to
> serve files as well as directories. Read up on theirs for this
> special option, and while you're at it, send them some mail saying
> that they should fix that, since it's stupid, and just causes people
> like you extra hastle.
Well, what Theo is referring to is:
-r Allow mount RPCs requests for regular files to be served. Al-
though this seems to violate the mount protocol specification,
some diskless workstations do mount requests for their swapfiles
and expect them to be regular files. Since a regular file cannot
be specified in /etc/exports, the entire file system in which the
swapfiles resides will have to be exported with the -alldirs
flag.
It's not clear that Theo's claim that this is a bug is correct. By
default, mountd is started with the -r flag. If you have tried that
and it still doesn't work (make sure you have stopped the old mountd
first), then it looks more like an OpenBSD problem, since you can boot
NetBSD. I'd suggest you ask him what else is broken :-)
Greg
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