linux-kernel - Re: [PATCH] x86: only load initrd above 4g on second try

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Message-ID: <53FD01D0.8020203@zytor.com>
Date:	Tue, 26 Aug 2014 14:53:20 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Yinghai Lu <yinghai@...nel.org>,
	Matt Fleming <matt.fleming@...el.com>,
	Ingo Molnar <mingo@...hat.com>
CC:	Mantas Mikulėnas <grawity@...il.com>,
	Anders Darander <anders@...rgestorm.se>,
	linux-efi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: only load initrd above 4g on second try

On 08/26/2014 02:45 PM, Yinghai Lu wrote:
> Mantas found that after commit 4bf7111f5016 ("x86/efi: Support initrd
> loaded above 4G"), the kernel freezes at the earliest possible moment
> when trying to boot via UEFI on Asus laptop.
> 
> There are buggy EFI implementations: with EFI run time, kernel need
> to load file with 512bytes alignment when buffer is above 4G.
> 

This makes absolutely zero sense.  Please explain what the actual
problem is here.

	-hpa

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