linux-kernel - Re: Bisected regression (Was Re: current -git fails to boot on nehalem-ex)

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Message-ID: <20091211081902.GY8742@kernel.dk>
Date:	Fri, 11 Dec 2009 09:19:02 +0100
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Randy Dunlap <randy.dunlap@...cle.com>
Subject: Re: Bisected regression (Was Re: current -git fails to boot on
	nehalem-ex)

On Thu, Dec 10 2009, Yinghai Lu wrote:
> Jens Axboe wrote:
>  
> > I can test other patches if you have good ideas, otherwise I suggest we
> > revert the commit.
> 
> we should go further.
> 
> please check, esp should fix that  from kernel acpi=off to kexec
> second kernel with  acpi=off for your system.
> 
> [PATCH] x86: use find_e820 instead of hard code trampoline addr

-git with this patch boots properly. kexec'ing into a kernel with
acpi=off passed works. Then kexec'ing into the same kernel again with
acpi-off works too.

So as far as I'm concerned, this patch fixes it for me. You can add my
Tested-by, too. Thanks!

-- 
Jens Axboe

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