linux-kernel - Re: BUG? atleast >=2.6.19-rc5, x86 chroot on x86

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Message-ID: <20061206212915.GA31447@muc.de>
Date:	Wed, 6 Dec 2006 22:29:15 +0100
From:	Andi Kleen <ak@....de>
To:	Kasper Sandberg <lkml@...anurb.dk>
Cc:	Chuck Ebbert <76306.1226@...puserve.com>,
	David Howells <dhowells@...hat.com>,
	Andrew Morton <akpm@...l.org>,
	linux-kernel <linux-kernel@...r.kernel.org>, vojtech@...e.cz
Subject: Re: BUG? atleast >=2.6.19-rc5, x86 chroot on x86_64

> and i am very very sure its because of this, i can run with the kernel
> (atleast with rc5 i had that long) for 10 days, and then chroot in, run
> the 32bit apps, and within hours of using, hardlock.

Early AMD K8 platforms had a hardware bug that could have caused
such hardlocks when running 32bit code under 64bit (independent of anything 
the kernel does). If you have such a board/CPU try a BIOS update.

-Andi
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