From owner-freebsd-hackers@FreeBSD.ORG Mon Dec 17 11:07:20 2007 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1993416A540 for ; Mon, 17 Dec 2007 11:07:20 +0000 (UTC) (envelope-from yuri@rawbw.com) Received: from mail0.rawbw.com (mail0.rawbw.com [198.144.192.41]) by mx1.freebsd.org (Postfix) with ESMTP id EAB4713C45A for ; Mon, 17 Dec 2007 11:07:19 +0000 (UTC) (envelope-from yuri@rawbw.com) Received: from mail0.rawbw.com (localhost [127.0.0.1]) by mail0.rawbw.com (8.13.8/8.13.8) with ESMTP id lBHB72Vu066406; Mon, 17 Dec 2007 03:07:02 -0800 (PST) Received: (from www@localhost) by mail0.rawbw.com (8.13.8/8.13.8/Submit) id lBHB72dj066404; Mon, 17 Dec 2007 03:07:02 -0800 (PST) X-Authentication-Warning: mail0.rawbw.com: www set sender to yuri@rawbw.com using -f Received: from ip224.carlyle.sfo.ygnition.net (ip224.carlyle.sfo.ygnition.net [24.219.144.224]) by webmail.rawbw.com (IMP) with HTTP for ; Mon, 17 Dec 2007 03:07:02 -0800 Message-ID: <1197889622.4766585626a92@webmail.rawbw.com> Date: Mon, 17 Dec 2007 03:07:02 -0800 From: Yuri To: freebsd-hackers@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit User-Agent: Internet Messaging Program (IMP) 3.2.1 X-Originating-IP: 24.219.144.224 X-Mailman-Approved-At: Mon, 17 Dec 2007 12:20:10 +0000 Subject: Stale mount on disconnected device: how to delete it? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Dec 2007 11:07:20 -0000 I had USB camera connected and recognized as umass0 and mounted as /mnt/camera on /dev/da0s1. Camera was disconnected while it was still mounted. Now 'mount' command shows: /dev/da0s1 on /mnt/camera (msdosfs, local) 'umount /dev/da0s1' command tells that device is not configured correctly. 'umount -f /dev/da0s1' causes the system to hang. And when I try to reconnect the camera it shows up as /dev/da1s1. How to delete stale mount and stale device? Should I file a PR for this system hang? I use 7.0-BETA4. Yuri