Re: 2.6.39.1 immediately reboots/resets on EFI system

From: H. Peter Anvin
Date: Fri Jun 10 2011 - 19:25:19 EST


On 06/10/2011 04:17 PM, Greg KH wrote:
> 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.
>

Yes, makes sense at this point.

-hpa
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