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Old 02-22-2005, 01:34 AM   #1
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Registered: Jun 2004
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dualboot grub chainloading copy and paste no success

2 hard drives, master with Fedora, slave with Suse.

copied the /boot/grub.conf from suse and paste it into Fedora grub.conf file. No success. It says its a reiser filesystem, thats it.

tried to reconfigure the bootloader with fedora and deselect the Master Boot Record> no changes were made to the system, since it did not install an updated kernel.

Add it :
title Suse
rootnoverify (hd1,0)
chainloader+ 1

without success.

I think fedora installed grub on the master boot record, right ?

I dont know at this point, even tried with makeactive after rootnoverify.

I'm not in my computer right now, cant tell you the grub.conf from suse nor fedora.

Thanks a lot for any help. Went blind reading about this.
Old 02-22-2005, 07:58 AM   #2
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Registered: Oct 2003
Posts: 5,124

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your grub commands are trying to boot a ms system.....go blind with my link in my signature on examples of linux stuff

2) if grub is in your mbr.....who cares which amend your /boot/grub/menu.lst to add new entries

assuming bios to mbr master

title suse
root (hd1,0)
kernel /vmlinuz (or /boot/vmlinuz) root=/dev/hdbX (not enough info)
initrd /initrd.img (or /boot/initrd.img)

me thinks print out the trouble shooter and use C for commands when grub appears as you may not remember your /etc/fstab file for suse?

plse post any feedback you care to offer
Old 02-22-2005, 08:59 AM   #3
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Registered: Jun 2004
Posts: 18

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aus9 > thank you for replying. I'll check any post later tonight.

title Fedora Core (2.6.10-1.766_FC3)
root (hd0,0)
kernel /vmlinuz-2.6.10-1.766_FC3 ro root=/dev/VolGroup00/LogVol00
initrd /initrd-2.6.10-1.766_FC3.img
title Fedora Core (2.6.9-1.667)
root (hd0,0)
kernel /vmlinuz-2.6.9-1.667 ro root=/dev/VolGroup00/LogVol00 rhgb quiet
initrd /initrd-2.6.9-1.667.img
title Suse
kernel (hd1,1)/boot/vmlinuz root=/dev/hdb2 vga=0x305 selinux=0 splash=silent resume=/dev/VolGroup00/LogVol01 desktop elevator=as showopts


kernel panic -not syncing:VFS: Unable to mount root fs on unknown-block (3,66)

I read some posts with similar thread.....ohh man,
kernel ? compile one ?
memory in the bios ? support in kernel to handle reiser filesystem ?

thank you guys, appreciate your help
Old 02-23-2005, 04:48 AM   #4
LQ Guru
Registered: Oct 2003
Posts: 5,124

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looking only at suse

R U sure /boot is on hd1,1?

to simplify it

title suse
root (hd1,0)
kernel /boot/vmlinuz root=/dev/hdb2 comment hdb2 must be / in suse /etc/fstab
initrd /boot/initrd

now re-look at my troubleshooter with commands
root (hd1 AND PRESS TAB
and use command
find /boot/vmlinuz or find /vmlinuz to see what the hd1,X is
Old 02-23-2005, 08:52 PM   #5
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Registered: Jun 2004
Posts: 18

Original Poster
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thank you. i appreciate it.

first in the bios had to change disk priority to slave drive.

second at /boot/grub.conf and suse Yast both had hd1,1 when it should've been as you suspected hd1,0 in the first place. had to change it as well in yast.

no wonder i was trying to bring grub from fedora and it wasn't coming up.

thank you again, your last reply did it, i also forgot all about the disk priority thing, i'd still be stuck in the same place.

and going blind.


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