Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933733AbZLOV1j (ORCPT ); Tue, 15 Dec 2009 16:27:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932766AbZLOV1h (ORCPT ); Tue, 15 Dec 2009 16:27:37 -0500 Received: from hera.kernel.org ([140.211.167.34]:54462 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932711AbZLOV1g (ORCPT ); Tue, 15 Dec 2009 16:27:36 -0500 Message-ID: <4B27FEFB.30902@kernel.org> Date: Tue, 15 Dec 2009 13:26:19 -0800 From: Yinghai Lu User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: Jens Axboe CC: Jesse Barnes , Linux Kernel , mingo@elte.hu, rdreier@cisco.com, Suresh Siddha , "linux-pci@vger.kernel.org" , "H. Peter Anvin" , Huang Ying Subject: Re: kexec boot regression References: <20091215141105.GK28252@kernel.dk> <4B27D7E9.4030105@kernel.org> <20091215194319.GT28252@kernel.dk> <4B27E817.6030705@kernel.org> <20091215195111.GV28252@kernel.dk> <4B27EE38.1050103@kernel.org> <20091215201909.GY28252@kernel.dk> <4B27EFC2.1000505@kernel.org> <20091215204221.GZ28252@kernel.dk> <20091215205512.GA28252@kernel.dk> <20091215210126.GB28252@kernel.dk> In-Reply-To: <20091215210126.GB28252@kernel.dk> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2027 Lines: 49 Jens Axboe wrote: > On Tue, Dec 15 2009, Jens Axboe wrote: >> On Tue, Dec 15 2009, Jens Axboe wrote: >>> On Tue, Dec 15 2009, Yinghai Lu wrote: >>>> Jens Axboe wrote: >>>>> On Tue, Dec 15 2009, Yinghai Lu wrote: >>>>>> 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? >>>>> Yes, I've needed that always. >>>> good, >>>> >>>> can you enable debug option in kexec to see why kexec can not pass >>>> whole 38? range to second kernel? >>> Not getting any output so far, -d doesn't do much. Poking around in the >>> source... >> OK, cold boot and kexec 2.0.1 gets all 39 ranges passed properly to >> kexec'ed kernels. Since the older kexec stopped at range 30 (31 ranges >> total), that smells like just a kexec bug. Retesting -git... > > Current -git works fine when all the ranges are passed correctly. So, I > think, the only existing regression is the SRAT issue. did you change node_shift? YH -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/