Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264696AbUD1GCY (ORCPT ); Wed, 28 Apr 2004 02:02:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264695AbUD1GCY (ORCPT ); Wed, 28 Apr 2004 02:02:24 -0400 Received: from fw.osdl.org ([65.172.181.6]:14735 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S264696AbUD1GCV (ORCPT ); Wed, 28 Apr 2004 02:02:21 -0400 Date: Tue, 27 Apr 2004 23:02:03 -0700 From: Andrew Morton To: busterbcook@yahoo.com Cc: linux-kernel@vger.kernel.org Subject: Re: pdflush eating a lot of CPU on heavy NFS I/O Message-Id: <20040427230203.1e4693ac.akpm@osdl.org> In-Reply-To: References: X-Mailer: Sylpheed version 0.9.7 (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 863 Lines: 24 Brent Cook wrote: > > Running any kernel from the 2.6.6-rc* series (and a few previous > -mm*'s), It's a shame this wasn't reported earlier. > the pdflush process starts using near 100% CPU indefinitely after > a few minutes of initial NFS traffic, as far as I can tell. Please confirm that the problem is observed on the NFS client and not the NFS server? I'll assume the client. What other filesystems are in use on the client? Please describe the NFS mount options and the number of CPUs and the amount of memory in the machine. And please send me your .config, off-list. Thanks. - 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/