Date: Thu, 1 Apr 2010 15:26:38 -0600 From: Tim Judd <tajudd@gmail.com> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-hackers@freebsd.org Subject: Re: Fwd: mkuzip and/or geom_uzip changes? Message-ID: <v2hade45ae91004011426n35de49efm8176e2705be8f245@mail.gmail.com> In-Reply-To: <201004011625.45293.jhb@freebsd.org> References: <x2lade45ae91003310359qa4141380he522aebf47d4e429@mail.gmail.com> <201004011304.38857.jhb@freebsd.org> <m2zade45ae91004011014w2eebd5edm53cf9f4c5fd01c7a@mail.gmail.com> <201004011625.45293.jhb@freebsd.org>
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On 4/1/10, John Baldwin <jhb@freebsd.org> wrote: > 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? If I remember, it does. I will be double checking these details tonight. In about 2 hrs or so. > > -- > John Baldwin >
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