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From: Bill Paul <wpaul@skynet.ctr.columbia.edu>
Message-Id: <199607261743.NAA14748@skynet.ctr.columbia.edu>
Subject: Re: kern/1435: MFS in 2.1.5 doesn't work
To: cracauer@wavehh.hanse.de
Date: Fri, 26 Jul 1996 13:43:16 -0400 (EDT)
Cc: freebsd-bugs@freefall.freebsd.org
In-Reply-To: <199607261640.JAA06847@freefall.freebsd.org> from "Martin Cracauer" at Jul 26, 96 09:40:03 am
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Of all the gin joints in all the towns in all the world, Martin Cracauer 
had to walk into mine and say:

> The following reply was made to PR kern/1435; it has been noted by GNATS.
> 
> From: cracauer@wavehh.hanse.de (Martin Cracauer)
> To: wollman@lcs.mit.edu (Garrett Wollman)
> Cc: cracauer@wavehh.hanse.de, FreeBSD-gnats-submit@freebsd.org
> Subject: Re: kern/1435: MFS in 2.1.5 doesn't work
> Date: Fri, 26 Jul 1996 18:28:05 +0200 (MET DST)
> 
>  > 
>  > <<On Fri, 26 Jul 1996 15:08:39 +0200 (MET DST), cracauer@wavehh.hanse.de said:
>  > 
>  > > mount -t mfs /dev/sd0b /tmp
>  > 
>  > -> returns without error message, buit nothing is done.
>  > 
>  > Note that `newfs' does a very bad job of returning errors in the MFS
>  > case.  So far as I can tell, the only place where errors in MFS
>  > creation are indicated is the syslog.  What's worse, it doesn't even
>  > appear to return a correct error indication back to the parent
>  > process.
>  
>  Right, in fact. Sorry, I didn't had console output.
>  This message is printed when the mount commend is given:
>  
>  Jul 26 14:35:21 gilgamesch mfs: /tmp: Operation not supported by device

(As Garrett said: you need 'options MFS' in your kernel config. It's
not in GENERIC.)
  
>  /tmp is just a plain directory on a plain (non-ccd, nothing special)
>  ffs partition. Trying other directories gives the same result. I tried
>  with a freshly booted machine and in single-user mode.
>  
>  More important for me: Is there anyone with a working mfs on 2.1.5?

Yes, me (please excuse the long line at the bottom):

[/homes/wpaul]:marple{46}% uname -smr
FreeBSD 2.1.5-RELEASE i386
[/homes/wpaul]:marple{47}% df /tmp
Filesystem  1K-blocks     Used    Avail Capacity  Mounted on
mfs:20          23583        4    21693     0%    /tmp
[/homes/wpaul]:marple{48}% ps -auxww | grep mfs
root        20  0.0  9.7 24920  628  ??  Is    1:26PM    0:00.26 mfs /dev/wd0b /tmp (mount_mfs)
[/homes/wpaul]:marple{49}% grep mfs /etc/fstab
/dev/wd0b                       /tmp            mfs     rw 0 0

/dev/wd0b is my swap device.

-Bill

-- 
=============================================================================
-Bill Paul            (212) 854-6020 | System Manager, Master of Unix-Fu
Work:         wpaul@ctr.columbia.edu | Center for Telecommunications Research
Home:  wpaul@skynet.ctr.columbia.edu | Columbia University, New York City
=============================================================================
 "If you're ever in trouble, go to the CTR. Ask for Bill. He will help you."
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