From owner-freebsd-questions@FreeBSD.ORG Thu Dec 17 00:56:14 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 054D0106566B for ; Thu, 17 Dec 2009 00:56:14 +0000 (UTC) (envelope-from wblock@wonkity.com) Received: from wonkity.com (wonkity.com [67.158.26.137]) by mx1.freebsd.org (Postfix) with ESMTP id B2C648FC0C for ; Thu, 17 Dec 2009 00:56:13 +0000 (UTC) Received: from wonkity.com (localhost [127.0.0.1]) by wonkity.com (8.14.3/8.14.3) with ESMTP id nBH0uCVf098216; Wed, 16 Dec 2009 17:56:12 -0700 (MST) (envelope-from wblock@wonkity.com) Received: from localhost (wblock@localhost) by wonkity.com (8.14.3/8.14.3/Submit) with ESMTP id nBH0uCPw098213; Wed, 16 Dec 2009 17:56:12 -0700 (MST) (envelope-from wblock@wonkity.com) Date: Wed, 16 Dec 2009 17:56:12 -0700 (MST) From: Warren Block To: David Naylor In-Reply-To: <200912162359.44675.naylor.b.david@gmail.com> Message-ID: References: <200912162359.44675.naylor.b.david@gmail.com> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (wonkity.com [127.0.0.1]); Wed, 16 Dec 2009 17:56:12 -0700 (MST) Cc: freebsd-questions@freebsd.org Subject: Re: Device not configured X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Dec 2009 00:56:14 -0000 On Wed, 16 Dec 2009, David Naylor wrote: > I booted into single user mode (running FreeBSD 8 RC2) and did: > > # dd if=/dev/ad8 of=/dev/ad8 bs=1024k That command copies the hard drive... over itself. What were you trying to do? > After waiting a few hours the command completed without problem (ad8 is the > HDD that has FreeBSD). After that I got the following: > > # reboot > reboot: device not configured > # ls > vnode_pager_getpages: I/O read error > ls: device not configured Not good. Maybe trying to swap back in from swap that was just overwritten? > Pressing the boxes power button results in the above vnode message to spam the > screen. The only way to reset the system was to do a hard reset (root was ro > :-) ). Did it come back up? > Is this expected behaviour or something wrong with the HDD? Not expected, exactly, but not surprising. The hardware should be fine. > I have been having issues with VirtualBox where doing IO (network and HDD) > causes DMA problems resulting in the system panicing and rebooting. Could > this be related? That sounds like a separate problem. -Warren Block * Rapid City, South Dakota USA