Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756858AbYGYVOS (ORCPT ); Fri, 25 Jul 2008 17:14:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751330AbYGYVOD (ORCPT ); Fri, 25 Jul 2008 17:14:03 -0400 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:44376 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751289AbYGYVOB (ORCPT ); Fri, 25 Jul 2008 17:14:01 -0400 Date: Sat, 26 Jul 2008 06:13:52 +0900 From: KOSAKI Motohiro To: Udo van den Heuvel Subject: Re: What to do with `kswapd0: page allocation failure. ` ? Cc: kosaki.motohiro@jp.fujitsu.com, LKML In-Reply-To: <4889D471.2050301@xs4all.nl> References: <4889D471.2050301@xs4all.nl> Message-Id: <20080726060755.0D2A.KOSAKI.MOTOHIRO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.42 [ja] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 656 Lines: 28 > > Hello, > > Found a few of these logged. See below. > What are they? Harmfull? Bug? no bug. this stack trace speak to 1. memory pressure increased 2. kswapd ran 3. network packet received 4. interrupt for network happend 5. but can't allocate memory for network buffer(skb). 6. Then, packet dropped 7. Then, warning happend. your network peer may resend the same packet after few times. no problem. -- 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/