Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 10 Apr 2001 18:03:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 10 Apr 2001 18:03:20 -0400 Received: from router-100M.swansea.linux.org.uk ([194.168.151.17]:61192 "EHLO the-village.bc.nu") by vger.kernel.org with ESMTP id ; Tue, 10 Apr 2001 18:03:04 -0400 Subject: Re: kswapd, kupdated, and bdflush at 99% under intense IO To: phil@theoesters.com (Phil Oester) Date: Tue, 10 Apr 2001 23:05:05 +0100 (BST) Cc: Jeff.Lessem@Colorado.EDU (Jeff Lessem), linux-kernel@vger.kernel.org In-Reply-To: from "Phil Oester" at Apr 10, 2001 01:25:06 PM X-Mailer: ELM [version 2.5 PL1] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: From: Alan Cox Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > Any time I start injecting lots of mail into the qmail queue, *one* of the > two processors gets pegged at 99%, and it takes forever for anything typed > at the console to actually appear (just as you describe). But I don't see Yes I've seen this case. Its partially still a mystery > Upon powercycling, the qmail partition is loaded with thousands of errors - > which could be caused by the power cycling, or by something kernel related. Under heavy I/O loads the cerberus test suite has been showing real disk corruption on all current trees until Ingo's patch today to fix the ext2 and minix problems combined with the earlier fixes for other races In your case I suspect its the qmail thousands of files being created/deleted not the corruption but its hard to be sure - 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/