From owner-freebsd-bugs@FreeBSD.ORG Mon Jan 11 19:10:08 2010 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3BAB21065692 for ; Mon, 11 Jan 2010 19:10:08 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id F21298FC32 for ; Mon, 11 Jan 2010 19:10:07 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id o0BJA7qL053663 for ; Mon, 11 Jan 2010 19:10:07 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.3/8.14.3/Submit) id o0BJA7ef053662; Mon, 11 Jan 2010 19:10:07 GMT (envelope-from gnats) Resent-Date: Mon, 11 Jan 2010 19:10:07 GMT Resent-Message-Id: <201001111910.o0BJA7ef053662@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, pluknet Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E4AE41065679 for ; Mon, 11 Jan 2010 19:04:13 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id D351A8FC16 for ; Mon, 11 Jan 2010 19:04:13 +0000 (UTC) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.3/8.14.3) with ESMTP id o0BJ4D0X019954 for ; Mon, 11 Jan 2010 19:04:13 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.3/8.14.3/Submit) id o0BJ4DqP019953; Mon, 11 Jan 2010 19:04:13 GMT (envelope-from nobody) Message-Id: <201001111904.o0BJ4DqP019953@www.freebsd.org> Date: Mon, 11 Jan 2010 19:04:13 GMT From: pluknet To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: kern/142724: [ada] camcontrol readcap shows inadequately high numbers in VBox X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Jan 2010 19:10:08 -0000 >Number: 142724 >Category: kern >Synopsis: [ada] camcontrol readcap shows inadequately high numbers in VBox >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Jan 11 19:10:07 UTC 2010 >Closed-Date: >Last-Modified: >Originator: pluknet >Release: 8.0-STABLE, 9.0-CURRENT >Organization: >Environment: c8-vb.h3 8.0-STABLE #0: Web Dec 30 c9-vb.h3 9.0-CURRENT #0: Sat Jan 9 >Description: camcontrol readcap shows inadequately high numbers in VirtualBox when using with ada disks. dmesg shows correct disk size: c9-vb# camcontrol readcap ada0 Last Block: 539522796, Block Length: 3216968941 bytes c9-vb# dmesg | grep ada ada0 at ahcich0 bus 0 scbus0 target 0 lun 0 ada0: ATA-6 SATA 2.x device ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO size 8192bytes) ada0: Command Queueing enabled ada0: 10240MB (20971520 512 byte sectors: 16H 63S/T 16383C) Though, if running without ahci driver (in legacy ata mode, where ada0 became ad4), a similar atacontrol command prints correct (it equals to detected disk size above for ada0): c8-vb# atacontrol cap ad4 | grep sectors$ lba supported 20971520 sectors lba48 supported 20971520 sectors The behavior is identical on both 8.0-STABLE and current. >How-To-Repeat: VBox guest with installed FreeBSD 8.0 or above camcontrol readcap ada0 >Fix: >Release-Note: >Audit-Trail: >Unformatted: