Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755969AbXKYBso (ORCPT ); Sat, 24 Nov 2007 20:48:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753549AbXKYBsf (ORCPT ); Sat, 24 Nov 2007 20:48:35 -0500 Received: from smtp1.betherenow.co.uk ([87.194.0.68]:34701 "EHLO smtp1.bethere.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753464AbXKYBse (ORCPT ); Sat, 24 Nov 2007 20:48:34 -0500 From: Alistair John Strachan To: Francois Romieu Subject: Re: 2.6.24-rc3, 4GB RAM, swiotlb, r8169, out of space Date: Sun, 25 Nov 2007 01:48:31 +0000 User-Agent: KMail/1.9.7 Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org References: <200711242344.49958.alistair@devzero.co.uk> <20071125002510.GA30759@electric-eye.fr.zoreil.com> In-Reply-To: <20071125002510.GA30759@electric-eye.fr.zoreil.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200711250148.31695.alistair@devzero.co.uk> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 836 Lines: 24 On Sunday 25 November 2007 00:25:10 Francois Romieu wrote: > Alistair John Strachan : > [...] > > > The "choke" affects other devices on the system too, notably libata, > > which does not recover gracefully. In my logs, I see a stream of: > > > > DMA: Out of SW-IOMMU space for 7222 bytes at device 0000:04:00.0 > > DMA: Out of SW-IOMMU space for 7222 bytes at device 0000:04:00.0 > > You are using jumbo frames, aren't you ? Yes, 7200 byte frames. I'll certainly try out your patch and report back. -- Cheers, Alistair. 137/1 Warrender Park Road, Edinburgh, UK. - 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/