linux-kernel - Re: kexec with vmware esx 3.0.2

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Message-Id: <1223071731.7330.127.camel@bodhitayantram.eng.vmware.com>
Date:	Fri, 03 Oct 2008 15:08:51 -0700
From:	Zachary Amsden <zach@...are.com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Vivek Goyal <vgoyal@...hat.com>,
	Alok Kataria <akataria@...are.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"kexec@...ts.infradead.org" <kexec@...ts.infradead.org>
Subject: Re: kexec with vmware esx 3.0.2

On Fri, 2008-10-03 at 14:58 -0700, Yinghai Lu wrote:
> On Fri, Oct 3, 2008 at 2:48 PM, Zachary Amsden <zach@...are.com> wrote:
> > On Fri, 2008-10-03 at 14:40 -0700, Yinghai Lu wrote:
> >> On Fri, Oct 3, 2008 at 2:21 PM, Zachary Amsden <zach@...are.com> wrote:
> >> > On Fri, 2008-10-03 at 14:08 -0700, Yinghai Lu wrote:
> >> >> anyone tried to use linux kernel to kexec vmware esx?
> >> >
> >> > That would not be a recommended practice.  It might work.  It should not
> >> > be very useful.
> >> >
> >>
> >> esx 3.0.2 relys on correct mps table,
> >> could boot linux with update_mptable or alloc_mptable, and then load
> >> vmware with kexec.
> >
> > And end up running ESX on hardware where it is not supported and you
> > already have a buggy BIOS?
> BIOS is not buggy... vmware seems not to be smart enough to correct pic mode.
> because current linux kernel could works well with acpi=off

BIOS is missing correct MP table.  Thus buggy.  You should not be trying
to run ESX on buggy hardware.

Zach

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