From owner-freebsd-bugs@FreeBSD.ORG Tue Sep 21 12:00:44 2004 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7EB0416A4CE for ; Tue, 21 Sep 2004 12:00:44 +0000 (GMT) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 53FA043D58 for ; Tue, 21 Sep 2004 12:00:44 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.12.11/8.12.11) with ESMTP id i8LC0hEI049358 for ; Tue, 21 Sep 2004 12:00:43 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.12.11/8.12.11/Submit) id i8LC0h3B049355; Tue, 21 Sep 2004 12:00:43 GMT (envelope-from gnats) Resent-Date: Tue, 21 Sep 2004 12:00:43 GMT Resent-Message-Id: <200409211200.i8LC0h3B049355@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, walter@pelissero.de Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7C08516A4CE for ; Tue, 21 Sep 2004 11:53:49 +0000 (GMT) Received: from webmail.tiscali.de (relay1.tiscali.de [62.26.116.129]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9BF6143D46 for ; Tue, 21 Sep 2004 11:53:48 +0000 (GMT) (envelope-from wcp@pelissero.de) Received: from hyde.home.loc (62.246.36.96) by webmail.tiscali.de (6.7.019) id 40FB89A0015B7842 for FreeBSD-gnats-submit@freebsd.org; Tue, 21 Sep 2004 13:53:47 +0200 Received: from hyde.home.loc (localhost [IPv6:::1]) by hyde.home.loc (8.12.10/8.12.10) with ESMTP id i8LBsDZx000923 for ; Tue, 21 Sep 2004 13:54:13 +0200 (CEST) (envelope-from wcp@hyde.home.loc) Received: (from wcp@localhost) by hyde.home.loc (8.12.10/8.12.6/Submit) id i8LBr8qh000891; Tue, 21 Sep 2004 13:53:08 +0200 (CEST) (envelope-from wcp) Message-Id: <200409211153.i8LBr8qh000891@hyde.home.loc> Date: Tue, 21 Sep 2004 13:53:08 +0200 (CEST) From: "Walter C. Pelissero" To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Subject: kern/71968: USB disk triggers swap activity X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: walter@pelissero.de List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 21 Sep 2004 12:00:44 -0000 >Number: 71968 >Category: kern >Synopsis: USB disk triggers swap activity >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Sep 21 12:00:42 GMT 2004 >Closed-Date: >Last-Modified: >Originator: Walter C. Pelissero >Release: FreeBSD 5.2.1-RELEASE-p9 i386 >Organization: >Environment: System: FreeBSD hyde.home.loc 5.2.1-RELEASE-p9 FreeBSD 5.2.1-RELEASE-p9 #1: Tue Aug 24 10:06:14 CEST 2004 root@hyde.home.loc:/usr/src/sys/i386/compile/PCG-XG9 i386 Sony Vaio PCG-XG9, LaCie 160G USB2 disk with UFS2 filesystem mounted automatically by amd. >Description: When I do a substantial activity on a 160G USB2 disk the system starts an heavy ATA disk activity that looks like swapping because, even though there is still 50MB RAM available, the swap usage jumps up to 14% and then slowly reaches 17%. Soon, one by one, the programs become irresponsive and the system grinds to a halt (but the ATA activity). If I don't try it immediately, ssh from another node yields a connection timeout. Needless to say the USB keyboard and mouse die immediately, while I can still use the trackpad on the laptop. >How-To-Repeat: dd if=/dev/zero of=/path/to/the/usb/filesystem >Fix: >Release-Note: >Audit-Trail: >Unformatted: