Re: [Xen-devel] [PATCH/RFC] Fix xsave bug on older Xen hypervisors

From: Matt Wilson
Date: Mon Sep 10 2012 - 18:36:47 EST

On Fri, Sep 07, 2012 at 10:54:33AM -0400, Konrad Rzeszutek Wilk wrote:
> Sure. Jan is asking though for actual confirmation that the upstream kernel
> does indeed go belly up without a workaround.
> And whether this patch (which I would did since Canonical is carrying it) does
> fix the issue.
> I am still a newbie on the Amazon EC2 upload your kernel thing (hint, would
> appreciate somebody taking this patch and trying it out).

For what it's worth, that's super easy these days. All modern Linux
AMIs on EC2 should be using PV-GRUB. Just adjust the GRUB 0.97
configuration file in /boot/grub/menu.lst to point at your new kernel.

I have seen some OEL AMIs that, for some reason, have a partition
table and /boot on a separate partition. This means that the
configuration file is in /boot/boot/grub/menu.lst.

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