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

To: "Robert Kaiser (FH)" <kaiser@xxxxxxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Re: [PATCH] xen: remove support for non-PAE 32-bit
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Tue, 13 May 2008 12:48:18 +0100
Cc: Ingo Molnar <mingo@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>
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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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