Date: Wed, 21 Apr 2010 21:09:32 +0200 From: "Julian H. Stacey" <jhs@berklix.com> To: hackers@freebsd.org Cc: re@freebsd.org Subject: Re: Bug with fixit live 8.0 memstick.img running on F1 after MBR Message-ID: <201004211909.o3LJ9W8b072724@fire.js.berklix.net> In-Reply-To: Your message "Sat, 17 Apr 2010 12:05:46 %2B0200." <201004171005.o3HA5kfo014359@fire.js.berklix.net>
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Hi hackers@, No replies in over 4 days to this, so this is a repost, I've also added re@ as newish memstick.img might interest them ? Reference: > From: "Julian H. Stacey" <jhs@berklix.com> > Date: Sat, 17 Apr 2010 12:05:46 +0200 "Julian H. Stacey" wrote: > Hi Hackers, > Bug found with fixit live 8.0 memstick.img running on F1 after MBR : > > First I checked my PC BIOS boots OK: > I copied 8.0-RELEASE-i386-memstick.img to a raw 2G USB stick, it boots > fine, & one can go into fixit menu, using image on stick > > Next > I fdisk partitioned an 8G stick & copied 8.0-RELEASE-i386-memstick.img > to F1 (da0s1), set F1 active, booted OK, went into fixit, selected > USB stick for the live media, & it failed to find a USB media. > > (The live command prompt on F4 wasn't much use, no ls yet.) > > I tried telling it to install to F2 (6.5 G ufs), using files from > local FS on stick, (I told it path 8.0-RELEASE ) but on 2 attempts, > it couldnt find where to install to get bins from. > > I since confirmed those files are there on F1 8.0-RELEASE/ , see below. > > Conclusion: > Would be nice if others tried too, to tell if it's my mistake or a bug. > WOrth doing as it also sets you up ready with a stick that can rescue/ > fixit + has enough space for other file systemes with your own > personal /usr/local inc. X, ready for eg testing laptops in shops. > > I since mounted my 8G stick on a normal 8.0 PC & installed F2 > from /usr/src & /usr/local from hard disc. I have another 4G I > could test with MBR, but testing here is disruptive as only my > main machine has boot- off- USB functionality). > > I mounted both sticks later to document what I was using: > > 2G stick with no MBR, (`dangerously dedicated', that worked OK: > ls -l /devusb/red -> /dev/da0a > > df | grep usb > Filesystem Size Used Avail Capacity Mounted on > /devusb/red 921M 858M -11M 101% /usb/red > > disklabel da0 > # /dev/da0: > 8 partitions: > # size offset fstype [fsize bsize bps/cpg] > a: 1803124 16 unused 0 0 > c: 1803140 0 unused 0 0 # "raw" part, don't edit > disklabel: partition c doesn't cover the whole unit! > disklabel: An incorrect partition c may cause problems for standard system utilities > > 8G stick with MBR: > fdisk da0 > ******* Working on device /dev/da0 ******* > parameters extracted from in-core disklabel are: > cylinders=977 heads=255 sectors/track=63 (16065 blks/cyl) > > parameters to be used for BIOS calculations are: > cylinders=977 heads=255 sectors/track=63 (16065 blks/cyl) > > Media sector size is 512 > Warning: BIOS sector numbering starts with sector 1 > Information from DOS bootblock is: > The data for partition 1 is: > sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD) > start 63, size 2988027 (1458 Meg), flag 0 > beg: cyl 0/ head 1/ sector 1; > end: cyl 185/ head 254/ sector 63 > The data for partition 2 is: > sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD) > start 2988090, size 12707415 (6204 Meg), flag 80 (active) > beg: cyl 186/ head 0/ sector 1; > end: cyl 976/ head 254/ sector 63 > The data for partition 3 is: > <UNUSED> > The data for partition 4 is: > <UNUSED> > > mount > /dev/da0s1a on /usb/sanblack.img (ufs, local) > /dev/da0s2a on /usb/sanblack.ufs (ufs, local, soft-updates) > > df > Filesystem Size Used Avail Capacity Mounted on > /dev/da0s1a 921M 858M -11M 101% /usb/sanblack.img > /dev/da0s2a 6.3G 2.7M 5.8G 0% /usb/sanblack.ufs > > cd /usb/sanblack.img/8.0-RELEASE > du -s kernels # 60M > ls base # base.aa - base.bl, base.inf base.mtree install.sh* > > disklabel da0s1 > # size offset fstype [fsize bsize bps/cpg] > a: 1803124 16 unused 0 0 > c: 2988027 0 unused 0 0 > > disklabel da0s2 > a: 12707399 16 4.2BSD 0 0 0 > c: 12707415 0 unused 0 0 Cheers, Julian -- Julian Stacey: BSD Unix Linux C Sys Eng Consultants Munich http://berklix.com Mail plain text, Not HTML quoted-printable Base64 http://www.asciiribbon.org
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