Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751973Ab0FREng (ORCPT ); Fri, 18 Jun 2010 00:43:36 -0400 Received: from cobra.newdream.net ([66.33.216.30]:44068 "EHLO cobra.newdream.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751419Ab0FREnf (ORCPT ); Fri, 18 Jun 2010 00:43:35 -0400 Date: Thu, 17 Jun 2010 21:44:27 -0700 (PDT) From: Sage Weil To: Neil Brown cc: Andrew Morton , Alexey Dobriyan , Tejun Heo , linux-kernel@vger.kernel.org, hch@lst.de, bfields@citi.umich.edu Subject: Re: weird umem vs nfsd regression In-Reply-To: Message-ID: References: <20100617134706.6c5ad7f1.akpm@linux-foundation.org> <20100618125420.46fda9d6@notabene.brown> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 449 Lines: 12 On Thu, 17 Jun 2010, Sage Weil wrote: > I guess at this point I'll walk through those options one by one to see > which one changes the behavior. Hmm, CONFIG_IOMMU_DEBUG=y makes the hang go away. sage -- 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/