From owner-freebsd-emulation@FreeBSD.ORG Thu Dec 16 19:49:20 2010 Return-Path: Delivered-To: freebsd-emulation@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 02DA81065673 for ; Thu, 16 Dec 2010 19:49:20 +0000 (UTC) (envelope-from amvandemore@gmail.com) Received: from mail-fx0-f49.google.com (mail-fx0-f49.google.com [209.85.161.49]) by mx1.freebsd.org (Postfix) with ESMTP id 881B08FC15 for ; Thu, 16 Dec 2010 19:49:19 +0000 (UTC) Received: by fxm19 with SMTP id 19so3643704fxm.36 for ; Thu, 16 Dec 2010 11:49:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:cc:content-type; bh=4K3fDIHymUlizbHv7Q0lHWCPxk09USVkwKkrjneQ2Vw=; b=tzghqUSXoFQVc9npvq9qgBHqnT5WIp4F5/WQ94RCsBsU99ep7m/UB39htkWJ6E9xX3 rJAsEXTYJCqTXIOJV1D3Wb5g0aBBEp3Phx3sJSgXTZPruLvZzCK2m/bAkgc0MegNPXni b1/w9Oj/cbPOdkG09RZ202deucvERHnW2OYgU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=bohwEFI/Gq75REMeX9n6wH/WN9bbP1CHfXyW2nU/JgGpCFxhP3cUWFt68uaKNi7+b6 5XeERHuazQiZ1UlFjA77W2UQ34r64p4gbrweKIvGrZaNibVqUVSw3bHkTlQr6LRs85j9 zhnX14qcLpX9iuwdqiyL3hIrb6uv535lfJYP4= MIME-Version: 1.0 Received: by 10.223.95.202 with SMTP id e10mr177591fan.32.1292527634336; Thu, 16 Dec 2010 11:27:14 -0800 (PST) Received: by 10.223.114.4 with HTTP; Thu, 16 Dec 2010 11:27:14 -0800 (PST) In-Reply-To: <201012161920.oBGJKBIK051717@freefall.freebsd.org> References: <201012161920.oBGJKBIK051717@freefall.freebsd.org> Date: Thu, 16 Dec 2010 13:27:14 -0600 Message-ID: From: Adam Vande More To: "Li-Lun Wang (Leland Wang)" Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-emulation@freebsd.org Subject: Re: kern/150186: [parallels] [panic] Parallels Desktop: CDROM disconnected leads to panic, eventually X-BeenThere: freebsd-emulation@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Development of Emulators of other operating systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Dec 2010 19:49:20 -0000 On Thu, Dec 16, 2010 at 1:20 PM, Li-Lun Wang (Leland Wang) wrote: > I think I may have stumbled upon the same issue after I updated my > installed ports, including hald. I run a FreeBSD 8.1-stable amd64 (not > the latest but a few months old) in virtual box on a windows 7 x64 > host. If I disable hald or the cdrom device in virtual box, or run the > same FreeBSD installation natively, the problem doesn't seem to occur. > When the problem does occur, I get the following messages (not > necessarily in any particular order): > > ata0: WARNING - unknown CMD (0x4a) read data overrun 18>8 > ata0: WARNING - READ_TOC read data overrun 18>12 > ata0: WARNING - PREVENT_ALLOW read data overrun 18>0 > ata0: WARNING - TEST_UNIT_READY read data overrun 18>0 > > These messages repeat seemingly at random for a few times. Eventually > the box might panic. > Interesting, I also found the same to be true. An additional point is that I tried with atapicam loaded and there were also some strange behavior. The VM takes a couple of minutes to recognize /dev/cd0. -- Adam Vande More