Date: Thu, 1 Apr 2010 16:25:45 -0400 From: John Baldwin <jhb@freebsd.org> To: Tim Judd <tajudd@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: Fwd: mkuzip and/or geom_uzip changes? Message-ID: <201004011625.45293.jhb@freebsd.org> In-Reply-To: <m2zade45ae91004011014w2eebd5edm53cf9f4c5fd01c7a@mail.gmail.com> References: <x2lade45ae91003310359qa4141380he522aebf47d4e429@mail.gmail.com> <201004011304.38857.jhb@freebsd.org> <m2zade45ae91004011014w2eebd5edm53cf9f4c5fd01c7a@mail.gmail.com>
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On Thursday 01 April 2010 1:14:30 pm Tim Judd wrote: > On 4/1/10, John Baldwin <jhb@freebsd.org> wrote: > > On Thursday 01 April 2010 10:48:07 am Tim Judd wrote: > >> On 4/1/10, John Baldwin <jhb@freebsd.org> 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. > > And that was one of my troubleshooting attempts the other night. > Instead of relying on a (misdone) embedded script, I tried mdconfig > -at vnode -f; and a mdconfig -af;. If I recall, they create a md? > node, but not a md?.uzip node. > > > No joy, I have been trying to grep source files seeing what might be > the problem of creating the md?.uzip, but I still haven't found the > code that does it. Does it create a /dev/md1 device? -- John Baldwin
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