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

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Date:	Sat, 11 Jun 2011 01:22:49 +0200
From:	Maarten Lankhorst <m.b.lankhorst@...il.com>
To:	Greg KH <gregkh@...e.de>
CC:	Matthew Garrett <mjg59@...f.ucam.org>,
	Yinghai Lu <yinghai@...nel.org>, Jim Bos <jim876@...all.nl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...ux.intel.com>
Subject: Re: 2.6.39.1 immediately reboots/resets on EFI system

Hi Greg,

Op 11-06-11 01:17, Greg KH schreef:
> On Sat, Jun 11, 2011 at 12:03:59AM +0100, Matthew Garrett wrote:
>> On Fri, Jun 10, 2011 at 03:58:06PM -0700, Yinghai Lu wrote:
>>
>>> the problem is : overlapping between kernel code with boot services code.
>> SHouldn't checking against the iomem resource map avoid that?
>>
>>> now e820 table that is passed from bootloader do not include boot services code range. and also current boot/head_64.S will not
>>> try to find usable range for decompressed kernel ( too early )...
>>>
>>> So solution will be:
>>> 1. revert Matthew Garrett's patch, because it breaking unknown good platform.
>> That's acceptable if we can't find a better solution.
> If no one objects, I'd like to revert the EFI patch that went into
> 2.6.39.1 that is causing people problems so as to give everyone some
> time to get 3.0 working properly on these boxes.
Seems we don't have a proper fix yet, so reverting is fine, pulling the consolidate NX patch
would still give the problem of overlapping pages in mainline, there appears to be no solution yet.
Reverting the change would make vanilla stable boot on my system again at least.

~Maarten
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