Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755425Ab0A1W66 (ORCPT ); Thu, 28 Jan 2010 17:58:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753653Ab0A1W65 (ORCPT ); Thu, 28 Jan 2010 17:58:57 -0500 Received: from mta2.srv.hcvlny.cv.net ([167.206.4.197]:42588 "EHLO mta2.srv.hcvlny.cv.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753613Ab0A1W64 (ORCPT ); Thu, 28 Jan 2010 17:58:56 -0500 Date: Thu, 28 Jan 2010 17:59:05 -0500 From: Michael Breuer Subject: Re: Hang: 2.6.32.4 sky2/DMAR (was [PATCH] sky2: Fix WARNING: at lib/dma-debug.c:902 check_sync) In-reply-to: <20100128225621.GD3109@del.dom.local> To: Jarek Poplawski Cc: Stephen Hemminger , David Miller , akpm@linux-foundation.org, flyboy@gmail.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Michael Chan , Don Fry , Francois Romieu , Matt Carlson Message-id: <4B6216B9.1010802@majjas.com> MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 7BIT References: <4B60707F.1000608@majjas.com> <20100127095614.14313677@nehalam> <4B608128.7090607@majjas.com> <4B6089C7.4010803@majjas.com> <4B61ADF1.7060705@majjas.com> <4B61BEA4.1030905@majjas.com> <20100128090835.0d93e53a@nehalam> <4B61DB79.4080703@majjas.com> <20100128223447.GC3109@del.dom.local> <4B621316.8070308@majjas.com> <20100128225621.GD3109@del.dom.local> User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.7) Gecko/20100111 Lightning/1.0b2pre Thunderbird/3.0.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 977 Lines: 21 On 1/28/2010 5:56 PM, Jarek Poplawski wrote: > On Thu, Jan 28, 2010 at 05:43:34PM -0500, Michael Breuer wrote: > >> This is with the pci_unmap_len patch as well as the dma-debug patch. >> I'm not getting any warnings - but dma-debug num-free-entries drops >> until zero and then debugging is disabled. I started with 8,000,000 >> about three hours ago - without load I'm already down to less than >> half that. Again - only looking at sky2. Looks like the dma-debug >> hash table is reducing one entry for every packet, but never >> increasing the num_entries (no unmap perhaps). >> > OK, then, until there is some new fix you better turn it off. > > Jarek P. > :( any further suggestions for helping track this down? -- 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/