Date: Wed, 31 Mar 2010 16:32:09 -0600 From: Tim Judd <tajudd@gmail.com> To: freebsd-hackers <freebsd-hackers@freebsd.org> Subject: Fwd: mkuzip and/or geom_uzip changes? Message-ID: <t2qade45ae91003311532h4ccd9b6ft874cccc4417386e0@mail.gmail.com> In-Reply-To: <x2lade45ae91003310359qa4141380he522aebf47d4e429@mail.gmail.com> References: <x2lade45ae91003310359qa4141380he522aebf47d4e429@mail.gmail.com>
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[-- Attachment #1 --]
Also in a separate thread to -questions. Thought it was better on
hackers after a few hours thought.
---------- Forwarded message ----------
From: Tim Judd <tajudd@gmail.com>
Date: Wed, 31 Mar 2010 04:59:52 -0600
Subject: mkuzip and/or geom_uzip changes?
To: FreeBSD Questions <freebsd-questions@freebsd.org>
Hi All,
Just starting to see if I can find other reports. You all probably
have had the "more than one pair of eyes looking at a thing is better
than my eyes alone." This is why I'm writing now, as I'm starting the
discovery.
Let me background this a little bit. I only started looking into this
because mkuzip and it's counterpart, geom_uzip are throwing errors on
FreeBSD8 i386
scenario (/etc/src.conf in effect, removing *LOTS* of stuff with knobs):
make DESTDIR=/home/small8 installworld installkernel distribution
mv /home/small8/boot /home/small8-boot/
makefs -t ffs /home/small8/usr.img /home/small8/usr/
mkuzip -o /home/small8/usr.uzip /home/small8/usr.img [*]
chflags -R noschg /home/small8/usr/*
rm -rf /home/small8/usr/* /home/small8/usr.img
ee /home/small8/etc/rc.d/mountcritlocal
[**]
makefs -t ffs /home/small8-boot/mfsroot /home/small8/
gzip --best /home/small8-boot/mfsroot
ee /home/small8-boot/boot/loader.conf
[***]
rm /home/small8-boot/boot/kernel/*.symbols
gzip --best /home/small8-boot/boot/kernel/kernel
mkisofs -U -J -r -V "FreeBSD8" -b boot/cdboot -no-emul-boot
-iso-level 4 -o /home/small8.iso /home/small8-boot/
[*]: mkuzip inserts a script header that is broken. module name it's
searching for may have been renamed?
[**]: Edited mountcritlocal to mount the usr.uzip file as by using the
above script header, throws errors
[***]: added zlib and geom_uzip modules to load to the boot image, to
satisfy the script header's requirements.
OK, the above scenario creates about a 33MB usr.uzip, and a 68MB iso.
Small enough to apparently fit into the undocumented 50 or 100MB size
limit of mfs_root module
The problem:
mkuzip generates a few lines as a script in the head of the
resulting *.uzip file. Two problems...
1) the module it queries for is geom_uzip (kldstat -m $m), but
FreeBSD8 names the geom_uzip module (i guess, internally) as g_uzip.
mkuzip's generated image will never find the module if they're not
named the same.
2) even with geom_uzip module and it's dependency zlib loaded, i don't
get a mdconfig node '/dev/md?.uzip' to appear.
It's been forever since I touched uzip, so I have to ask.
Looking at the cvsweb, (as a bonus question, what's the svn website
address to look at source files?) mkuzip program last modified 3 years
(2 months for the Makefile), geom_uzip module Makefile last modified 4
years ago.
3-4 years yield a median FreeBSD version 6.2. Have we broken
something in 7 or 8?
The request:
Is it a PEBKAC? ID 10T error? Duplicatable?
I'm gonna research what I can, when I can. I would expect to see
something pop up clearly if it is a regression. Can I ask you all to
use your eyes or past knowledge if something is broken?
[-- Attachment #2 --]
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