linux-kernel - Re: 2.6.38.3 and 2.6.39-rc4 hangs after "Booting the kernel" on quad Pentium Pro system

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Date:	Sat, 23 Apr 2011 23:11:58 +1000
From:	Chris Samuel <chris@...muel.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.38.3 and 2.6.39-rc4 hangs after "Booting the kernel" on quad Pentium Pro system

On Sat, 23 Apr 2011 07:35:36 PM Alan Cox wrote:

> If you boot with mem= and force the memory size what happens ?

Using memmap=636K@0 memmap=255M@1M (from just naively converting
the e801 numbers from the 2.6.18 boot) it appears to get past that
issue and then panic because of no root filesystem (unsurprisingly
as it's based on an allnoconfig config).

Trying the same with the Debian Squeeze 2.6.32 based kernel results
in it not panic'ing when unpacking the initramfs but there are many
complaints about IRQ's happening and nobody caring and the system
ends up shutting itself down due to timing out bringing up the root
filesystem from the software RAID.

I'll be away from email for a few days now because of the Easter
holidays here, but I'll catch up when I'm back.

All the best, and thanks to everyone for the help so far!

Chris
-- 
 Chris Samuel  :  http://www.csamuel.org/  :  Melbourne, VIC

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