Bug with fixit live 8.0 memstick.img running on F1 after MBR

[Julian H. Stacey]

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 at 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
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