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Re: grub2 and Linux software RAID devices
From: |
Sam Morris |
Subject: |
Re: grub2 and Linux software RAID devices |
Date: |
Tue, 5 Feb 2008 01:32:46 +0000 (UTC) |
User-agent: |
Pan/0.132 (Waxed in Black) |
On Mon, 04 Feb 2008 23:43:38 +0100, Robert Millan wrote:
>> Debian's post-install script has actually been written to substitute
>> 'pc gpt' if the partmap probing fails,
>
> Actually, this was reverted a while ago.
>
>> manually. However, I now hit the second problem: the menu that grub
>> presents has no text! It seems to have an entry, however, as there is a
>> highlighted line.
>
> Which version did you try? Is it more recent than 1.96 ? We fixed bugs
> producing this result recently.
This now works fine (and looks nice and pretty!) with version 1.96
+20080203-1. :)
>> The third problem is that if I press enter, or wait for the timeout to
>> finish, or the screen blanks, and I get the message "Booting '". The
>> system then freezes and I have to use the hardware reset switch to
>> continue (ctrl+alt+del does not work). Pressing 'e', or the up or down
>> keys also freeze the system, without the "Booting '" message.
>
> Where does GRUB get its grub.cfg from? What are its contents? (from the
> POV of GRUB; use 'cat' to determine).
Version 1.96+20080203-1 behaves differently; I am simply dropped to the
rescue shell, and I can't load any modules (because root is set to
(hd1,2) which does not show up when I run 'ls'). I guessed that this is
because 'pc' is not in the list of modules included when grub-install
creates core.img.
If I add 'pc' to core.img then things are much healthier: I am still
dropped into the rescue shell, but I can load the 'normal' module, issue
the 'normal' command and then I get the (pretty!) menu and am able to
boot normally. I'm still not sure why I'm dropped into the rescue shell
in the first place, however. There's a flash of text before the prompt
appears, but the screen is cleared much to fast to read any of it.
ISTR that when I tried Jeroen Dekkers' patch before, I was no longer
booted into the rescue shell; but I can't remember (and I don't
understand why, if I was kicked into the rescue shell becuase grub tried
to read past the 'end' of my disk, why I can immediatly issue the
'normal' command to go to the menu and have everything working). Anyway,
I'll wait to see how things improve after a new grub-pc is uploaded.
Thanks for your help & advice so far!
--
Sam Morris
http://robots.org.uk/
PGP key id 1024D/5EA01078
3412 EA18 1277 354B 991B C869 B219 7FDB 5EA0 1078
Re: grub2 and Linux software RAID devices, Robert Millan, 2008/02/07