linux-kernel - Re: [PATCH] Fix e820 end address with EFI

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Date:	Mon, 02 Mar 2009 09:07:48 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	Brian Maly <bmaly@...hat.com>
Cc:	Yinghai Lu <yinghai@...nel.org>, Ingo Molnar <mingo@...e.hu>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Fix e820 end address with EFI

Hi, Brian,

On Mon, 2009-03-02 at 04:13 +0800, Brian Maly wrote:
> I was able verify the kernel that does not boot on the MacBook (vanilla 
> 2.6.29-rc4) does call efi_ioremap() which bails out early returning 
> NULL. So no remapping happens in this case.  I have no idea if 
> efi_ioremap ever does succeed in mapping any ranges though being I have 
> no video or console this early in the boot and have to rely on triple 
> faulting as a means of debugging.

Please attach your dmesg of successful boot, so we can take a look at
the EFI memory map.

Best Regards,
Huang Ying

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