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[Bug #565] kernel command returns error 18 when grub loads from ntldr.
From: |
nobody |
Subject: |
[Bug #565] kernel command returns error 18 when grub loads from ntldr. |
Date: |
Wed, 12 Jun 2002 07:45:28 -0400 |
=================== BUG #565: LATEST MODIFICATIONS ==================
http://savannah.gnu.org/bugs/?func=detailbug&bug_id=565&group_id=68
Changes by: Yoshinori K. Okuji <address@hidden>
Date: 2002-Jun-12 11:45 (GMT)
------------------ Additional Follow-up Comments ----------------------------
Could you show me results when executing these:
1) Run "geometry (hd1)" when booting GRUB from a floppy.
2) Run "geometry (hd1)" when booting GRUB from NTLDR.
3) Run "blocklist (hd1,4)/bzImage" when booting GRUB from
a floppy.
4) Run "debug" and "kernel (hd1,4)/bzImage" when booting
GRUB from NTLDR.
Thanks,
Okuji
=================== BUG #565: FULL BUG SNAPSHOT ===================
Submitted by: chrispe Project: grub
Submitted on: 2002-Jun-08 16:41
Category: Booting Severity: Major
Priority: None Bug Group: Software Error
Resolution: None Assigned to: None
Status: Open Release: 0.90
Reproducibility: Every Time Planned Release:
Summary: kernel command returns error 18 when grub loads from ntldr.
Original Submission: I'm trying to load Linux from the Win2k bootloader
(NTLDR), via Grub.
I installed grub stage1 onto a floppy using the following commands:
grub> root (hd1,4)
grub> setup (fd0)
grub> quit
setup found my grub files, failed to embbed stage 1.5 and used the following
install command:
install /boot/grub/stage1 d (fd0) /boot/grub/stage2 p /boot/grub/menu.lst
This boot floppy successfully boots, runs stage2, pops up the graphical menu,
with a splash screen and boots Linux from (hd1,4)/bzImage.
Next, I copied this working grub stage 1 from the floppy to my Windows C drive
(using dd) and set up C:\boot.ini to run it from NTLDR.
Grub runs okay from NTLDR and successfully loads stage2, pops up the graphical
menu, with a splash screen, but fails to boot Linux from (hd1,4)/bzImage with
error 18.
This seems strange. How come it can't load bzImage, when it can load the menu &
splash screen just fine from the same partition?
I used the testload command on (hd1,4)/bzImage and it worked fine (the numbers
at the end matched). However, when I execute the kernel command, I get error
18...
grub> kernel (hd1,4)/bzImage root=/dev/hdb7
Error 18: Selected cylinder exceeds max supported by BIOS
I can't find any differences between booting from the floppy MBR & from NTLDR.
The geometry command returns the same numbers, testload returns the same
numbers. It is just that the kernel command fails in the NTLDR case.
Chris.
Follow-up Comments
*******************
-------------------------------------------------------
Date: 2002-Jun-12 11:45 By: okuji
Could you show me results when executing these:
1) Run "geometry (hd1)" when booting GRUB from a floppy.
2) Run "geometry (hd1)" when booting GRUB from NTLDR.
3) Run "blocklist (hd1,4)/bzImage" when booting GRUB from
a floppy.
4) Run "debug" and "kernel (hd1,4)/bzImage" when booting
GRUB from NTLDR.
Thanks,
Okuji
No files currently attached
For detailed info, follow this link:
http://savannah.gnu.org/bugs/?func=detailbug&bug_id=565&group_id=68