Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751118AbVJXW2b (ORCPT ); Mon, 24 Oct 2005 18:28:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751137AbVJXW2b (ORCPT ); Mon, 24 Oct 2005 18:28:31 -0400 Received: from xproxy.gmail.com ([66.249.82.194]:32636 "EHLO xproxy.gmail.com") by vger.kernel.org with ESMTP id S1751118AbVJXW2a convert rfc822-to-8bit (ORCPT ); Mon, 24 Oct 2005 18:28:30 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=aNchn12xLqiWHOHejFuudhXv+/0oGZzhh3SoL8HbxEHvOWF4wJt57UR49hENS9D55pwZ8nno0kjYnlRd1/3wvxWRErXcDWEJp4dvNaURU4znetvgdvM2ZlgZWbLE9U0b1m3/ZWPgAbUTQ29ytqxGNozJ8P0IMyOf6F8xE5SRpdQ= Message-ID: <4807377b0510241528m6afc3501w9d98d66658a38973@mail.gmail.com> Date: Mon, 24 Oct 2005 15:28:29 -0700 From: Jesse Brandeburg To: Robert Hancock Subject: Re: 2.6.14-rc5 e1000 and page allocation failures.. still Cc: linux-kernel , Kernel Netdev Mailing List In-Reply-To: <435C2D66.6030708@shaw.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Content-Disposition: inline References: <50tDw-1FH-5@gated-at.bofh.it> <435C2D66.6030708@shaw.ca> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1222 Lines: 26 On 10/23/05, Robert Hancock wrote: > John B?ckstrand wrote: > > Im seeing a massive amount of page allocation failures with 2.6.14-rc5, > > and also earlier kernels, see "E1000 - page allocation failure - saga [snip] > It looks like you have enough memory free - the problem is that the > driver is allocating a block of memory with order 3, which is 8 pages. > Quite likely there are not enough contiguous free pages to satisfy that. > > That's an awful big buffer size for a packet - I assume you're using > jumbo frames or something? Ideally the driver and hardware should be > able to allocate a buffer for those packets in multiple chunks, but I > have no idea if this is possible. the latest e1000 driver (6.2.15) from http://sf.net/projects/e1000 fixes this by using multiple descriptors for jumbo frames, therefore only doing order 0 (single page) page allocations. let us know how it goes. BTW why is this so much more common with recent kernels? - 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/