(no subject) [GRUB boot problems]

[Paolo]

Phil Schaffner said:
Hi Phil,
I was waiting for an email from you ;-)

> On Thu, 2004-01-15 at 15:55, Paolo wrote:
>> Phil Schaffner said:
>> > On Thu, 2004-01-15 at 10:16, Phil Schaffner wrote:
>> >> List members:  Sorry for any confusion here, but we took it off the
>> list
>>snip<
>> In short,
>> with the following config files I can boot both XP and linux from the
>> grub
>> boot disk:
>>
>> # grub.conf generated by anaconda
>> #
>> # Note that you do not have to rerun grub after making changes to this
>> file
>> # NOTICE:  You have a /boot partition.  This means that
>> #          all kernel and initrd paths are relative to /boot/, eg.
>> #          root (hd0,1)
>> #          kernel /vmlinuz-version ro root=/dev/hda3
>> #          initrd /initrd-version.img
>> boot=/dev/hda
>> default=1
>> timeout=10
>> splashimage=(hd1,1)/grub/splash.xpm.gz
>> title Red Hat Linux (2.4.20-8)
>> 	root (hd1,1)
>> 	kernel /vmlinuz-2.4.20-8 ro root=LABEL=/
>> 	initrd /initrd-2.4.20-8.img
>> title DOS
>> 	rootnoverify (hd0,0)
>> 	chainloader +1
>>
>> Note that rootnoverify (hd0,0) is different from what you suggested me
>> (hd1,0).
>> I don't understand why I need to put (hd0,0) instead of (hd1,0)
>> but hey, it works!
>>
>> # this device map was generated by anaconda
>> (fd0)     /dev/fd0
>> (hd1)     /dev/hda
>>
>>
>> then I copied those files to /boot/grub
>> and Iìve run:
>> grub --device-map=/boot/grub/device.map
>> root (hd1,1)
>> setup (hd1) --> hd0 doesn't work, see below
>> quit
>
> Didn't see (hd0) because it is not in device.map as you show it.  Try:
>
> #/boot/grub/device.map
> # this device map was generated by grunt-work
> (fd0)     /dev/fd0
> (hd0)     /dev/hdb
> (hd1)     /dev/hda

Wow...
I forgot hdb. Too much work, I suppose ;-)

>
>>
>> After the reboot the machine din't  display the boot option,
>> it just booted windowsXP.
>>
>> Another strange thing is the following:
>> grub> setup (hd0)
>>  Checking if "/boot/grub/stage1" exists... no
>>  Checking if "/grub/stage1" exists... yes
>>  Checking if "/grub/stage2" exists... yes
>>  Checking if "/grub/e2fs_stage1_5" exists... yes
>>  Running "embed /grub/e2fs_stage1_5 (hd0)"... failed (this is not fatal)
>>  Running "embed /grub/e2fs_stage1_5 (hd1,1)"... failed (this is not
>> fatal)
>>  Running "install /grub/stage1 d (hd0) /grub/stage2 p /grub/grub.conf
>> "...
>> fail
>> ed
>>
>> Error 21: Selected disk does not exist
>>
>> grub> setup (hd1)
>>  Checking if "/boot/grub/stage1" exists... no
>>  Checking if "/grub/stage1" exists... yes
>>  Checking if "/grub/stage2" exists... yes
>>  Checking if "/grub/e2fs_stage1_5" exists... yes
>>  Running "embed /grub/e2fs_stage1_5 (hd1)"...  16 sectors are embedded.
>> succeeded
>>  Running "install /grub/stage1 (hd1) (hd1)1+16 p (hd1,1)/grub/stage2
>> /grub/grub
>> .conf"... succeeded
>> Done.
>>
>> Hints? Suggestions ?
>>
>>                             Paolo
>
> Try with both hard drive mappings in device.map

Yes, I'll do the modification.

> At least you can boot to the installed OSs from the floppy.  One kludge
> (of the new device.map fails) would be to set the floppy default to
> Linux and eject the floppy for Windows.  I do the opposite of this for
> the kids - use the floppy to default to Windows, no floppy for Linux.
>
> Sloooooow progress, but at least movement.

You've already made me happy ;-)

Thanks.

Ciao,
                             Paolo