linux-kernel - Re: 2.6.39.1 immediately reboots/resets on EFI system

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Message-ID: <4DEFD58D.5060402@kernel.org>
Date:	Wed, 08 Jun 2011 13:03:25 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Matthew Garrett <mjg59@...f.ucam.org>
CC:	Jim Bos <jim876@...all.nl>, "H. Peter Anvin" <hpa@...ux.intel.com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Maarten Lankhorst <m.b.lankhorst@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Greg KH <gregkh@...e.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: 2.6.39.1 immediately reboots/resets on EFI system

On 06/08/2011 12:52 PM, Matthew Garrett wrote:
> On Wed, Jun 08, 2011 at 12:48:48PM -0700, Yinghai Lu wrote:
>> On 06/08/2011 12:38 PM, Matthew Garrett wrote:
>>> On Wed, Jun 08, 2011 at 12:35:54PM -0700, Yinghai Lu wrote:
>>>> On 06/08/2011 12:29 PM, Matthew Garrett wrote:
>>>>>> what former? you can not fix some corner case by breaking most other cases.
>>>>>
>>>>> All Dell laptops, all new Apples, some Lenovos, various Intel server 
>>>>> platforms. That I've found so far.
>>>>
>>>> do you mean before that patch, all those machine will not boot linux kernel with UEFI support?
>>>
>>> Correct.
>>
>> with or without EFI runtime services?
> 
> They'll boot with noefi, but that's useless because there's then no way 
> to configure a bootloader.

efibootmgr will need boot services in addition to run-time services?

if really need some info from boot services, could let bootloader to get them and pass them to kernel.

Yinghai
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