From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Denys Fedoryshchenko" Subject: Re: page allocation failure Date: Sun, 15 Jun 2008 00:02:16 +0300 Message-ID: <20080614205958.M55299@visp.net.lb> References: <20080614022451.M72462@visp.net.lb> <20080614065845.GB32585@2ka.mipt.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=koi8-r Cc: netdev@vger.kernel.org To: Evgeniy Polyakov Return-path: Received: from usermail.globalproof.net ([194.146.153.18]:39201 "EHLO usermail.globalproof.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754601AbYFNVCe (ORCPT ); Sat, 14 Jun 2008 17:02:34 -0400 In-Reply-To: <20080614065845.GB32585@2ka.mipt.ru> Sender: netdev-owner@vger.kernel.org List-ID: There is no jumbo frames in this particular setup. Probably it is getting out of memory (rtorrent using almost all for fs caching maybe). Yes, it seems harmless and seems even useless. I will ignore it from now on :-) Thanks for info. On Sat, 14 Jun 2008 10:58:45 +0400, Evgeniy Polyakov wrote > On Sat, Jun 14, 2008 at 05:25:59AM +0300, Denys Fedoryshchenko > (denys@visp.net.lb) wrote: > > I am not sure it is error, but this message appearing on loaded PC routers. > > (about 100-150Mbit/s passing there, and rtorrent also running, 1G of ram) > > > > For example: > > [1407075.519722] swapper: page allocation failure. order:3, mode:0x4020 > > [1407075.519722] Pid: 0, comm: swapper Not tainted 2.6.25.4-devel2 #1 > > [1407075.519722] [] __alloc_pages+0x2a9/0x2bd > > [1407075.519722] [] __slab_alloc+0x14a/0x45e > > [1407075.519722] [] __kmalloc_track_caller+0x72/0xb9 > > [1407075.519722] [] __netdev_alloc_skb+0x14/0x2d > > [1407075.519722] [] __netdev_alloc_skb+0x14/0x2d > > [1407075.519722] [] __alloc_skb+0x4d/0xf9 > > [1407075.519722] [] __netdev_alloc_skb+0x14/0x2d > > [1407075.519722] [] bnx2_poll+0x58f/0xd0c [bnx2] > > It should be harmless. It means that bnx2 does not support jumbo frames > separated into multiple pages and tries to allocate single huge area. > > -- > Evgeniy Polyakov -- Denys Fedoryshchenko Technical Manager Virtual ISP S.A.L.