Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754398AbYGYSyT (ORCPT ); Fri, 25 Jul 2008 14:54:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751191AbYGYSyL (ORCPT ); Fri, 25 Jul 2008 14:54:11 -0400 Received: from idcmail-mo1so.shaw.ca ([24.71.223.10]:62208 "EHLO pd2mo1so-dmz.prod.shaw.ca" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750916AbYGYSyK (ORCPT ); Fri, 25 Jul 2008 14:54:10 -0400 X-Cloudmark-SP-Filtered: true X-Cloudmark-SP-Result: v=1.0 c=0 a=fVVHpIHWo-DTsCsL0RMA:9 a=BoiX-O4SB7XdSx7zASsA:7 a=-wCh8GUbplzI_yFPw2YLYuLd3gUA:4 a=5OxXCWZL5BMA:10 a=bwVuZ38C_bkA:10 Message-ID: <488A214C.3060605@shaw.ca> Date: Fri, 25 Jul 2008 12:54:04 -0600 From: Robert Hancock User-Agent: Thunderbird 2.0.0.16 (Windows/20080708) MIME-Version: 1.0 To: Udo van den Heuvel CC: LKML Subject: Re: What to do with `kswapd0: page allocation failure. ` ? References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 783 Lines: 23 Udo van den Heuvel wrote: > Hello, > > Found a few of these logged. See below. > What are they? Harmfull? Bug? > > Kind regards, > Udo > > Jul 20 18:39:03 testboard kernel: kswapd0: page allocation failure. > order:2, mode:0x20 It's not really harmful, it just means the kernel was momentarily unable to allocate memory to handle an incoming network packet. That packet will get dropped, but the system should recover. Not sure why it's allocating an order 2 chunk though, that is 16KB. Are you using jumbo frames on the network? -- 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/