From: Jeremy Fitzhardinge Subject: Re: Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen support Date: Fri, 27 Jun 2008 09:25:31 -0700 Message-ID: <4865147B.50202@goop.org> References: <20080625084253.GA11524@elte.hu> <20080625152212.GA3442@elte.hu> <4862A6A9.1030109@goop.org> <20080626105722.GA12640@elte.hu> <20080626105818.GA13805@elte.hu> <4863A8E6.1010807@goop.org> <20080627155656.GA19180@elte.hu> <48650F02.5080200@goop.org> <20080627160625.GA29488@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20080627160625.GA29488@elte.hu> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Ingo Molnar Cc: Nick Piggin , Mark McLoughlin , xen-devel , Eduardo Habkost , Vegard Nossum , Stephen Tweedie , x86@kernel.org, LKML , Yinghai Lu List-Id: xen-devel@lists.xenproject.org Ingo Molnar wrote: > yeah, i guess so. Right now i only ran into the build failure so there's > hope :) Here's a config that fails to build for sure: > > http://redhat.com/~mingo/misc/config-Fri_Jun_27_17_54_32_CEST_2008.bad > Will look at it shortly. > note, on 32-bit there's a yet unfixed initrd corruption bug i've > bisected back to: > > | 510be56adc4bb9fb229637a8e89268d987263614 is first bad commit > | commit 510be56adc4bb9fb229637a8e89268d987263614 > | Author: Yinghai Lu > | Date: Tue Jun 24 04:10:47 2008 -0700 > | > | x86: introduce init_memory_mapping for 32bit > > so if you see something like that it's probably not a bug introduced by > your changes. (and maybe you'll see why the above commit is buggy, i > havent figured it out yet) Well, on a non-PSE system find_early_table_space() will not allocate enough memory for ptes. But I posted the fix for that, and it's likely you're using PSE anyway. Nothing pops out from a quick re-read, but it could easily be mis-reserving the ramdisk memory or something. J