linux-kernel - Re: kexec boot regression

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Message-ID: <4B27EE38.1050103@kernel.org>
Date:	Tue, 15 Dec 2009 12:14:48 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Jens Axboe <jens.axboe@...cle.com>
CC:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>, mingo@...e.hu,
	rdreier@...co.com, Suresh Siddha <suresh.b.siddha@...el.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
Subject: Re: kexec boot regression

Jens Axboe wrote:
> On Tue, Dec 15 2009, Yinghai Lu wrote:
>> Jens Axboe wrote:
>>> On Tue, Dec 15 2009, Yinghai Lu wrote:
>>>> [PATCH] x86/pci: intel ioh bus num reg accessing fix
>>>>
>>>> it is above 0x100, so if mmconf is not enable, need to skip it
>>> This works, it kexecs kernels fine. But since 2.6.32 doesn't have the
>>> mmconf problem to begin with, are we now just working around the issue?
>>> SRAT still reports issues, numa doesn't work.
>> that patch will be bullet proof... we need it.
>>
>> also still need to figure out why memmap range is not passed properly.
>>
>> do you mean 2.6.32 kexec 2.6.32 it have worked mmconf and numa in
>> second kernel?
> 
> Yes, 2.6.32 booted and 2.6.32 kexec'ed works just fine, no SRAT
> complaints and NUMA works fine.

do you need 
memmap=62G@4G
in this case?

YH
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