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Date:      Wed, 23 Aug 2000 11:02:46 -0700 (PDT)
From:      Rich Wales <richw@webcom.com>
To:        freebsd-stable@freebsd.org
Subject:   Re: 4.1-STABLE kernel with 4.1-RELEASE userland?
Message-ID:  <200008231701226.richw@wyattearp.stanford.edu>

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OK, I did a bit more research on this problem.

The reason 4.1-RELEASE "ipfw" fails with a 4.1-STABLE kernel appears to
be because struct ip_fw (in netinet/ip_fw.h) has had two new elements
added in the middle (u_char fw_tcpopt, fw_tcpnopt).  As a result, the
"setsockopt" calls in "ipfw" failed with EINVAL (invalid argument).

I haven't tried yet to figure out why CD-ROM file systems stopped
working when I tried a 4.1-STABLE kernel with a 4.1-RELEASE userland.
When I mounted a CD on /cdrom and tried "ls /cdrom", the kernel said
"RRIP without PX field?" (isofs/cd9660/cd9660_rrip.c), and nothing
at all was visible in the /cdrom directory.  When I tried to unmount
the CD, "umount" failed with an "invalid argument" message.

I understand now that if I'm going to track -STABLE, I can't just track
the kernel.  For the moment, I think I'll have to stick with -RELEASE
and wait to track -STABLE until I have time to deal with a more involved
upgrade (including being able to back it out in case something doesn't
work -- the machine in question is a semi-production system and I can't
afford to have it stay broken for long).

Rich Wales         richw@webcom.com         http://www.webcom.com/richw/



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