linux-kernel - Re: [Xen-devel] Re: [PATCH] xen: remove support for non-PAE 32-bit

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Message-ID: <48298002.5080300@goop.org>
Date:	Tue, 13 May 2008 12:48:18 +0100
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	"Robert Kaiser (FH)" <kaiser@...ormatik.fh-wiesbaden.de>
CC:	xen-devel@...ts.xensource.com, Ingo Molnar <mingo@...e.hu>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [Xen-devel] Re: [PATCH] xen: remove support for non-PAE 32-bit

Robert Kaiser (FH) wrote:
> Hmm, I had to revert to non-PAE operation (using xen 3.2.1) recently in order 
> to get Xen to run under qemu. Does anyone know of another work-around to run 
> Xen/Linux under qemu?

In principle it should work in PAE mode; it certainly works in kvm.  
What problem are you seeing?  I think there's a bug in qemu's x86 
emulation with respect to mis-reporting the eip of an xchg which faults, 
which may be what you're seeing.

    J

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