Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759705AbZLOK5R (ORCPT ); Tue, 15 Dec 2009 05:57:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759685AbZLOK5M (ORCPT ); Tue, 15 Dec 2009 05:57:12 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:43363 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759579AbZLOK5K (ORCPT ); Tue, 15 Dec 2009 05:57:10 -0500 Date: Tue, 15 Dec 2009 11:56:50 +0100 From: Ingo Molnar To: FUJITA Tomonori Cc: yinghai@kernel.org, rdreier@cisco.com, linux-kernel@vger.kernel.org Subject: Re: bisected crash due to "x86: Move swiotlb initialization before dma32_free_bootmem" Message-ID: <20091215105650.GA13214@elte.hu> References: <20091215175439V.fujita.tomonori@lab.ntt.co.jp> <4B2752A9.10903@kernel.org> <20091215182243R.fujita.tomonori@lab.ntt.co.jp> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20091215182243R.fujita.tomonori@lab.ntt.co.jp> User-Agent: Mutt/1.5.20 (2009-08-17) X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.5 -2.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 644 Lines: 18 * FUJITA Tomonori wrote: > There are a few people who hit this. How many people use a box with over > 256GB memory? > > And you can work around this with "dma32_size" kernel boot option. Well, since the kernel has not crashed before this change there's really just two options as per upstream kernel regression policy: either we fix it or we revert it. Ingo -- 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/