linux-kernel - Solved (for me at least!) GRUB doesn't like ServeRAID M1015/LSI 9220-8i

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Message-ID: <4F4A2C37.3090500@anonymous.org.uk>
Date:	Sun, 26 Feb 2012 12:57:27 +0000
From:	John Robinson <john.robinson@...nymous.org.uk>
To:	thomas@...llstrom.ca
CC:	Simon McNair <simonmcnair@...il.com>, linux-kernel@...r.kernel.org,
	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
	ayan@...vell.com, andy yan <andyysj@...il.com>,
	linux-raid <linux-raid@...r.kernel.org>
Subject: Solved (for me at least!) GRUB doesn't like ServeRAID M1015/LSI 9220-8i

On 01/02/2012 14:38, John Robinson wrote:
> On 01/02/2012 14:03, Thomas Fjellstrom wrote:
> [...]
>> I picked up a refurb IBM
>> ServeRaid M1015 (aka: LSI 9220-8i) card. It arrived yesterday. Just
>> have to
>> wait and see why grub doesn't like it.
>
> When you find out, please let me know - I bought one via ebay, its
> firmware was elderly and wouldn't let me put it in JBOD mode, after a
> bit of googling I flashed it with IBM's latest firmware, then GRUB
> thought my machine had no RAM in it. The card has been sitting in a box
> since.

RHEL/CentOS 5's GRUB is buggy, in that it doesn't always read the whole 
of the BIOS's memory map. See 
https://bugzilla.redhat.com/show_bug.cgi?id=445893 and in particular 
comment 7 where there's a link to a replacement GRUB which incorporates 
the patch that was first offered to Red Hat in July 2007. The issue 
likely affects other distros GRUBs too, since GRUB is moribund.

Cheers,

John.

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