Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755118Ab0A1W42 (ORCPT ); Thu, 28 Jan 2010 17:56:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753577Ab0A1W42 (ORCPT ); Thu, 28 Jan 2010 17:56:28 -0500 Received: from fg-out-1718.google.com ([72.14.220.157]:52944 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753456Ab0A1W41 (ORCPT ); Thu, 28 Jan 2010 17:56:27 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=OzniiB+E7yhkweRpfI93V+3D7wAyHcfcXNZYBzBB0wehZC9S4qs2xZTg04GFFj3PCQ SuHPXEIr1xWszeVKHZ19+O9N80xYARIgWv0G2WIcDznnE8A3oiNOZCtvPXc6XSYi0pIy oh7qtxeNIszMwLY7s6QfUTr/RsZqRU9BHyW9I= Date: Thu, 28 Jan 2010 23:56:21 +0100 From: Jarek Poplawski To: Michael Breuer 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 Subject: Re: Hang: 2.6.32.4 sky2/DMAR (was [PATCH] sky2: Fix WARNING: at lib/dma-debug.c:902 check_sync) Message-ID: <20100128225621.GD3109@del.dom.local> 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4B621316.8070308@majjas.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 842 Lines: 17 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. -- 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/