From owner-freebsd-hackers@FreeBSD.ORG Thu Apr 1 17:06:03 2010 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1E1E7106564A for ; Thu, 1 Apr 2010 17:06:03 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id CC93C8FC18 for ; Thu, 1 Apr 2010 17:06:02 +0000 (UTC) Received: from bigwig.baldwin.cx (66.111.2.69.static.nyinternet.net [66.111.2.69]) by cyrus.watson.org (Postfix) with ESMTPSA id 53A1246B37; Thu, 1 Apr 2010 13:06:02 -0400 (EDT) Received: from jhbbsd.localnet (smtp.hudson-trading.com [209.249.190.9]) by bigwig.baldwin.cx (Postfix) with ESMTPA id 72EDF8A01F; Thu, 1 Apr 2010 13:06:01 -0400 (EDT) From: John Baldwin To: Tim Judd Date: Thu, 1 Apr 2010 13:04:38 -0400 User-Agent: KMail/1.12.1 (FreeBSD/7.3-CBSD-20100217; KDE/4.3.1; amd64; ; ) References: <201004010838.38794.jhb@freebsd.org> In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201004011304.38857.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0.1 (bigwig.baldwin.cx); Thu, 01 Apr 2010 13:06:01 -0400 (EDT) X-Virus-Scanned: clamav-milter 0.95.1 at bigwig.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-1.8 required=4.2 tests=AWL,BAYES_00 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on bigwig.baldwin.cx Cc: freebsd-hackers@freebsd.org Subject: Re: Fwd: mkuzip and/or geom_uzip changes? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Apr 2010 17:06:03 -0000 On Thursday 01 April 2010 10:48:07 am Tim Judd wrote: > On 4/1/10, John Baldwin wrote: > > On Wednesday 31 March 2010 6:32:09 pm Tim Judd wrote: > >> 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 > > > > BTW, you can raise this limit by changing NKPT. > > > I'm sorry, I'm not sure what you're referring to when you are telling me this. If you increase NKPT (look in /sys/i386/conf/NOTES on a recent stable) you can use a larger mfs root. > >> 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. > > > > Do you have a md0 device at all? I think you want to hack the script to do > > something like this: > > I double check at home tonight, but I don't remember any additional md > devices, since I'm running from an MFS_ROOT, i get md0, but that's > all. > > I definately do not get any /dev/md?.uzip files. No .uzips show up. You will not get the uzip device until you create the md device via mdconfig -af. > > disk=`mdconfig -af /path/to/usr.img` > > mount -r /dev/$disk.uzip /usr That's why I think you need to add this to a script in /etc. You could perhaps put the mount line in /etc/fstab, but you need to invoke mdconfig to create md1. At that point you should get the md1.uzip device automatically. -- John Baldwin