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From: "H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
To: Yinghai Lu <yinghai-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Matt Fleming
	<matt.fleming-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	Ingo Molnar <mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: "Mantas Mikulėnas"
	<grawity-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	"Anders Darander"
	<anders-7UjN0b3lYz2SbKU13Z4Etw@public.gmane.org>,
	linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] x86: only load initrd above 4g on second try
Date: Tue, 26 Aug 2014 14:53:20 -0700	[thread overview]
Message-ID: <53FD01D0.8020203@zytor.com> (raw)
In-Reply-To: <1409089544-24221-1-git-send-email-yinghai-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>

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

WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: Yinghai Lu <yinghai@kernel.org>,
	Matt Fleming <matt.fleming@intel.com>,
	Ingo Molnar <mingo@redhat.com>
Cc: "Mantas Mikulėnas" <grawity@gmail.com>,
	"Anders Darander" <anders@chargestorm.se>,
	linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86: only load initrd above 4g on second try
Date: Tue, 26 Aug 2014 14:53:20 -0700	[thread overview]
Message-ID: <53FD01D0.8020203@zytor.com> (raw)
In-Reply-To: <1409089544-24221-1-git-send-email-yinghai@kernel.org>

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


  parent reply	other threads:[~2014-08-26 21:53 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-26 21:45 [PATCH] x86: only load initrd above 4g on second try Yinghai Lu
2014-08-26 21:45 ` Yinghai Lu
     [not found] ` <1409089544-24221-1-git-send-email-yinghai-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2014-08-26 21:53   ` H. Peter Anvin [this message]
2014-08-26 21:53     ` H. Peter Anvin
     [not found]     ` <53FD01D0.8020203-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2014-08-26 22:05       ` Yinghai Lu
2014-08-26 22:05         ` Yinghai Lu
     [not found]         ` <CAE9FiQUF4THLRfzbnhK61QHpM2zyox4E8LTmyzVF7PnPdpb7jQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-08-26 22:16           ` Mantas Mikulėnas
2014-08-26 22:16             ` Mantas Mikulėnas
     [not found]             ` <CAPWNY8WG3E7oZdZDdYsrnGM5pG4kWAKkEq0Eh5Hc_uXJ_8zD5g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-08-26 22:58               ` Yinghai Lu
2014-08-26 22:58                 ` Yinghai Lu
2014-08-27 17:49           ` H. Peter Anvin
2014-08-27 17:49             ` H. Peter Anvin
     [not found]             ` <53FE1A2B.80204-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2014-08-27 18:50               ` Yinghai Lu
2014-08-27 18:50                 ` Yinghai Lu
2014-08-27 10:59   ` Matt Fleming
2014-08-27 10:59     ` Matt Fleming
     [not found]     ` <20140827105901.GC28116-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2014-08-27 17:13       ` Yinghai Lu
2014-08-27 17:13         ` Yinghai Lu
     [not found]         ` <CAE9FiQWrPtEe3tkJjgOzyJJPPzX=AtMYgR4c91pDHL3q3ZLLKQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-08-30 11:24           ` Matt Fleming
2014-08-30 11:24             ` Matt Fleming
     [not found]             ` <20140830112426.GA2911-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2014-09-02  6:57               ` Anders Darander
2014-09-02  6:57                 ` Anders Darander

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