linux-kernel - Re: kexec with vmware esx 3.0.2

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Message-ID: <86802c440810031551g246232c9n520ef43c6881b8af@mail.gmail.com>
Date:	Fri, 3 Oct 2008 15:51:18 -0700
From:	"Yinghai Lu" <yinghai@...nel.org>
To:	"Zachary Amsden" <zach@...are.com>
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, Oct 3, 2008 at 3:08 PM, Zachary Amsden <zach@...are.com> wrote:
> 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.

BIOS has correct mptable for linux but not for esx.

ok, my question is: anyone tried to use kexec with vmware?

YH
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