Re: grub menu oddity
- From: "iforone" <floydstestemail@xxxxxxxxx>
- Date: 30 Dec 2005 13:54:52 -0800
Richard wrote:
> I have a multi-boot system using grub installed in the mbr of my first hd.
> It seems like every time my motherboard bios updates its configuration data
> (such as after changing a video card), grub refuses to boot from any menu
> selection (I think the message is Error 18). However, if I drop to a
> command line and manually execute the root command for any menu item, I can
> then go back to the menu and boot normally. All subsequent boots are
> normal. The manual root command is exactly the same as the root command in
> menu.lst. Anyone know why the root commands executed via the menu are
> rejected but the same command executed via the command line is accepted?
>
> Thanks
> Richard
hi;
I am very curious as well - perhaps a few more questions may help
Enrique and others, much more knowledgeable about linux than I, figure
this out for you;
-- How many OSes are in your Multi-Boot array ?
-- How Many HDDs ?
-- Any PCI IDE Controller Cards installed or SCSI Adapter Cards ?
-- Any RAID arrays ?
-- System Mobo make/model ?
-- BIOS type and version (Award, Pheonix, AMI, etc)
If there is more than 1 version/copy of grub somewhere else on your
HDDs, is it possible that that 'other' copy is being used after BIOS
config changes ? More-so, is it possible there's a Symbolic link
somewhere that's pointing to a different kernel, or updated kernel ?
There can be issues with the way grub sees the various default linux
numbering scheme, as I've found from reading previous info posted by
Enrique.
>>From the info you've posted, it would certainly seem there's some sort
of issue with the CMOS NVRAM area (nowadays, the NVRAM/RTC is
integrated into the South Bridge itself) and the storage of the changes
made there-in.
Possible a setting in the BIOS is set to Auto "Load Setup Defaults"
after saving changes ? There's usually options to "Save Custom
Defaults" - and "Load Custom Defaults" -- curious what the options you
have.
Have you ever Flashed (updated) the Motherboard BIOS ROM ?
Another quick thought is the CMOS battery is old and dying, though
other issues/problems as a consequence of this would be much more
prevelant.
.
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- grub menu oddity
- From: Richard
- grub menu oddity
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