From owner-freebsd-bugs@FreeBSD.ORG Wed Oct 11 08:50:21 2006 Return-Path: X-Original-To: freebsd-bugs@hub.freebsd.org 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 877BC16A494 for ; Wed, 11 Oct 2006 08:50:21 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id C4E7B43D67 for ; Wed, 11 Oct 2006 08:50:19 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.4/8.13.4) with ESMTP id k9B8oJqQ039269 for ; Wed, 11 Oct 2006 08:50:19 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.13.4/8.13.4/Submit) id k9B8oJR4039268; Wed, 11 Oct 2006 08:50:19 GMT (envelope-from gnats) Resent-Date: Wed, 11 Oct 2006 08:50:19 GMT Resent-Message-Id: <200610110850.k9B8oJR4039268@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, Gergely CZUCZY Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A0E9A16A40F for ; Wed, 11 Oct 2006 08:44:56 +0000 (UTC) (envelope-from phoemix@marvin.harmless.hu) Received: from marvin.harmless.hu (marvin.harmless.hu [195.56.55.204]) by mx1.FreeBSD.org (Postfix) with ESMTP id 57A4543D99 for ; Wed, 11 Oct 2006 08:44:26 +0000 (GMT) (envelope-from phoemix@marvin.harmless.hu) Received: from localhost (marvin-mail [192.168.0.2]) by marvin (Postfix) with ESMTP id B956A7BFF41 for ; Wed, 11 Oct 2006 10:44:24 +0200 (CEST) Received: from marvin.harmless.hu ([192.168.0.2]) by localhost (marvin.harmless.hu [192.168.0.2]) (amavisd-new, port 10024) with ESMTP id 5GfciKJ122Pu for ; Wed, 11 Oct 2006 10:44:19 +0200 (CEST) Received: from marvin.harmless.hu (localhost [127.0.0.1]) by marvin (Postfix) with ESMTP id 4473C7BFF36 for ; Wed, 11 Oct 2006 10:44:18 +0200 (CEST) Received: (from phoemix@localhost) by marvin.harmless.hu (8.13.6/8.13.6/Submit) id k9B8iIKi031382; Wed, 11 Oct 2006 10:44:18 +0200 (CEST) (envelope-from phoemix) Message-Id: <200610110844.k9B8iIKi031382@marvin.harmless.hu> Date: Wed, 11 Oct 2006 10:44:18 +0200 (CEST) From: Gergely CZUCZY To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Cc: Subject: kern/104292: system lockup on forced umount of usb-storage device X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Gergely CZUCZY List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Oct 2006 08:50:21 -0000 >Number: 104292 >Category: kern >Synopsis: system lockup on forced umount of usb-storage device >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Oct 11 08:50:18 GMT 2006 >Closed-Date: >Last-Modified: >Originator: Gergely CZUCZY >Release: FreeBSD 6.2-PRERELEASE i386 >Organization: Harmless Digital Ltd >Environment: System: FreeBSD kign.harmless.lan 6.2-PRERELEASE FreeBSD 6.2-PRERELEASE #0: Thu Oct 5 12:49:04 CEST 2006 root@kign.harmless.lan:/usr/obj/usr/src/sys/KIGN i386 >Description: When trying to force-umount a previously mounted USB mass-storage filesystem after unplugging the device, the system locks up and reboots. here, it happened with this device: umass0: Sony Sony DSC, rev 1.00/2.10, addr 5 da0 at umass-sim0 bus 0 target 0 lun 0 da0: Removable Direct Access SCSI-0 device da0: 1.000MB/s transfers da0: 123MB (253696 512 byte sectors: 64H 32S/T 123C) >How-To-Repeat: 1) connect an USB mass-storage device 2) mount it like mount_msdosfs /dev/device /mnt/point 3) unplug the device (without umounting) 4) umount -f /mnt/point <-- here, the system will freeze and reboot. >Fix: N/A >Release-Note: >Audit-Trail: >Unformatted: