Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751869Ab0HWBbt (ORCPT ); Sun, 22 Aug 2010 21:31:49 -0400 Received: from terminus.zytor.com ([198.137.202.10]:44945 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751455Ab0HWBbr (ORCPT ); Sun, 22 Aug 2010 21:31:47 -0400 Message-ID: <4C71CF5B.3090505@zytor.com> Date: Sun, 22 Aug 2010 18:31:07 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.7) Gecko/20100720 Fedora/3.1.1-1.fc13 Thunderbird/3.1.1 MIME-Version: 1.0 To: Mark Stanovich CC: torvalds@linux-foundation.org, gregkh@suse.de, linux-kernel@vger.kernel.org Subject: Re: Linux 2.6.35.3 References: <4C6F4BBB.5040207@zytor.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1663 Lines: 47 On 08/20/2010 09:06 PM, Mark Stanovich wrote: >>> >>> I noticed that the latest version pulled from Linus's git tree did not >>> have the problem. After looking at the changes to >>> arch/x86/include/asm/cmpxchg_32.h, I cherry-picked two patches from >>> Linus's tree that seemed to make a difference, namely: >>> >>> 69309a05907546fb686b251d4ab041c26afe1e1d >>> 4532b305e8f0c238dd73048068ff8a6dd1380291 >>> >>> Applying these patches solved the rebooting problem on 2.6.35.3 >>> >>> I believe the same problem also happens for the latest stable version of >>> 2.6.34, but did not verify the fix worked for the 2.6.34 stable releases. >>> >>> I don't know if this is helpful, but I thought I would let you know in >>> case someone else is having the same problem. >>> >>> If you need any further information, just let me know. >>> >> >> Yes, as a matter of fact, we have been trying to root-cause this >> problem; please see: >> >> https://bugzilla.kernel.org/show_bug.cgi?id=16612 >> >> If you could try the one-liner in there and see if it solves your >> problem, it would be great. > > The patch for __set_64bit on top of 2.6.35.3 solves the rebooting problem! > > By the way, I think only 69309a05907546fb686b251d4ab041c26afe1e1d should solve the problem. Mark, could you try only this patch? -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- 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/