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Date: Thu, 03 Apr 1997 10:22:45 -0800
To: questions@freebsd.org
From: Rune Imp <runeimp@wonderd.com>
Subject: Re: Installing 2.2.1
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>I'm haveing problems installing 2.2.1 FreeBSD from a DOS Partition.
>After booting from the Boot Disk and starting an X-user Novice install
>and letting it go for a bit I get:
>
>VTY1:
>Error mounting DOS Partition /dev/wd1s1 : Invalid argument (22)
>
>VTY2:
>...
>/mnt/etc
>/mnt/etc/protocols
>/mnt/etc/sysconfig
>/mnt/etc/services
>23 blocks
>DEBUG: Generating /etc/fstab file
>DEBUG: Switching back to VTY1
...

I figured out the problem.
The install didn't like trying to mount the Extended 
DOS partition (F:)where I had freebsd/bin, etc.
After repartitioning the disk with a Primary 
DOS Partition (D:) it installed fine.

I hope this info is usefull,
RuneImp