Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755422AbYHTIC2 (ORCPT ); Wed, 20 Aug 2008 04:02:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753053AbYHTICG (ORCPT ); Wed, 20 Aug 2008 04:02:06 -0400 Received: from rv-out-0506.google.com ([209.85.198.224]:53911 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752688AbYHTICD (ORCPT ); Wed, 20 Aug 2008 04:02:03 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=SLePh/8T+5q6ho3cWVKmejsQvKJBwtxJcB+P7EyAK9kPDUxYpgPfhGj7RogR5WJsZU RwNkzQfhpCRZTJEDn4cjPMjZxJtf38DYyoFkaHKXfN2bhWr0yda7x3Gcqowdv2fgCBCB cERpLtyJwRmMezLLDowhzgQ6gCZoyLzsFEVDY= Message-ID: <86802c440808200102n6487ae17ud790991b8ea30d16@mail.gmail.com> Date: Wed, 20 Aug 2008 01:02:02 -0700 From: "Yinghai Lu" To: "Bill Fink" Subject: Re: HPET regression in 2.6.26 versus 2.6.25 -- found another user with the same regression Cc: "David Witbrodt" , "Ingo Molnar" , linux-kernel@vger.kernel.org, "Paul E. McKenney" , "Peter Zijlstra" , "Thomas Gleixner" , "H. Peter Anvin" , netdev In-Reply-To: <20080820035130.38426b00.billfink@mindspring.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <109483.89278.qm@web82104.mail.mud.yahoo.com> <86802c440808192221s3ada5443qc3b9d8e26f252d03@mail.gmail.com> <20080820035130.38426b00.billfink@mindspring.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1405 Lines: 32 On Wed, Aug 20, 2008 at 12:51 AM, Bill Fink wrote: > On Tue, 19 Aug 2008, Yinghai Lu wrote: > >> On Tue, Aug 19, 2008 at 9:51 PM, David Witbrodt wrote: >> > While reading drivers/char/hpet.c and looking at the functions >> > used there, I discovered request_region(), and realized that it >> > would be difficult to compare the entire iomem_resource tree to >> > a dummy tree only containing resources added by insert_resource() >> > and request_resource(). It might be simpler to have my tiny >> > e820_reserve_resources() replacement add each resource to 3 trees >> > -- the real iomem_resource tree, and 2 dummy trees -- which could >> > then be compared for differences just before the kernel locks up. >> >> with reverting patch that change insert_resource to request_resource... >> 2.6.26 or 2.6.27-rcX still hange somewhere. > > This is true if he reverted just the 3def3d6d... commit, but if he > also reverts the similar, and immediately following, 1e934dda... > commit, then his 2.6.26 kernel runs fine. interesting, David, can you try only comment out late_initcall(lapic_insert_resource); 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/