Bug#423022: Bug#422851: "grub-probe -t partmap" doesn't work with software RAID

[Sam Morris]

On Fri, 2007-05-18 at 08:51 +0200, Robert Millan wrote:
> On Sun, May 13, 2007 at 06:44:07PM +0200, Robert Millan wrote:
> > On Sun, May 13, 2007 at 12:02:26PM +0100, Sam Morris wrote:
> > > On Sat, 2007-05-12 at 22:16 +0100, Sam Morris wrote:
> > > > On Wed, 2007-05-09 at 18:13 +0200, Robert Millan wrote:
> > > > > I'm forwarding you a bug report from Debian.  It seems that the grub-probe
> > > > > -t partmap feature I just added doesn't play nice with RAID.  Unfortunately,
> > > > > I have no idea how software RAID is implemented.  Is it okay to just exit
> > > > > succesfuly and install core.img without any partmap module?
> > 
> > ... so apparently it isn't.  We still need to detect this somehow, or maybe we
> > could just print "pc gpt".. anyone can cast some light on this?
> 
> How about this as temporary solution?  It's ugly, but it's not worse than what
> we had before.

I've now tested hardcoding the modules to 'pc gpt'. The result is that
the system freezes at the grub menu (similar to the other menu-related
freeze, except that this time I can't even press 'c' to get to a command
line prompt).

To describe it more exactly: the menu is drawn but there are no menu
entries. There is a selection bar where the first menu entry would have
been, but aside from the highlighting that distinguishes it from the
background, it is also empty.

At this stage, the screen is still in text mode. Since the first thing
the config file does other than setting a few variables is to switch to
graphics mode, I guess the system isn't getting far enough to have read
the config file.

-- 
Sam Morris
http://robots.org.uk/

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