linux-kernel - Geode LX boot fails after x86 microcode revision change

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Message-ID: <CAMLZHHTSuHZoPbm_YfB8G05JA+xKCE4+Jmj4NW8mnZUHogQSBA@mail.gmail.com>
Date:	Tue, 8 Nov 2011 13:59:40 -0600
From:	Daniel Drake <dsd@...top.org>
To:	borislav.petkov@....com
Cc:	linux-kernel@...r.kernel.org
Subject: Geode LX boot fails after x86 microcode revision change

Hi,

Linux-3.1 works fine on OLPC XO-1 (Geode LX) but latest linus master
fails to boot. It hangs so early on that we don't even receive any
output over serial.

git bisect tracked it down to:


commit bcb80e53877c2045d9e52f4a71372c3fe6501f6f
Author: Borislav Petkov <borislav.petkov@....com>
Date:   Mon Oct 17 16:34:36 2011 +0200

    x86, microcode, AMD: Add microcode revision to /proc/cpuinfo

    Enable microcode revision output for AMD after 506ed6b53e00 ("x86,
    intel: Output microcode revision in /proc/cpuinfo") did it for Intel.

    Signed-off-by: Borislav Petkov <borislav.petkov@....com>


Any thoughts?

Thanks,
Daniel
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