From owner-freebsd-bugs@FreeBSD.ORG Tue Apr 13 09:10:20 2004 Return-Path: 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 AE33116A4CE for ; Tue, 13 Apr 2004 09:10:20 -0700 (PDT) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8EF8F43D1F for ; Tue, 13 Apr 2004 09:10:20 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) i3DGAKbv038390 for ; Tue, 13 Apr 2004 09:10:20 -0700 (PDT) (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.12.10/8.12.10/Submit) id i3DGAK8A038389; Tue, 13 Apr 2004 09:10:20 -0700 (PDT) (envelope-from gnats) Resent-Date: Tue, 13 Apr 2004 09:10:20 -0700 (PDT) Resent-Message-Id: <200404131610.i3DGAK8A038389@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, Sheshka Alexey Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 67F6F16A4CE for ; Tue, 13 Apr 2004 09:07:45 -0700 (PDT) Received: from www.freebsd.org (www.freebsd.org [216.136.204.117]) by mx1.FreeBSD.org (Postfix) with ESMTP id 623F243D5D for ; Tue, 13 Apr 2004 09:07:45 -0700 (PDT) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.12.10/8.12.10) with ESMTP id i3DG7j72078919 for ; Tue, 13 Apr 2004 09:07:45 -0700 (PDT) (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.12.10/8.12.10/Submit) id i3DG7jtw078918; Tue, 13 Apr 2004 09:07:45 -0700 (PDT) (envelope-from nobody) Message-Id: <200404131607.i3DG7jtw078918@www.freebsd.org> Date: Tue, 13 Apr 2004 09:07:45 -0700 (PDT) From: Sheshka Alexey To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-2.3 Subject: misc/65494: dd bs size _MUST_ be N*512 - bug or feature X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 13 Apr 2004 16:10:20 -0000 >Number: 65494 >Category: misc >Synopsis: dd bs size _MUST_ be N*512 - bug or feature >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: Tue Apr 13 09:10:20 PDT 2004 >Closed-Date: >Last-Modified: >Originator: Sheshka Alexey >Release: 5.2.1 >Organization: >Environment: FreeBSD service.extmedia.com 5.2.1-RELEASE-p4 FreeBSD 5.2.1-RELEASE-p4 #0: Mon Apr 5 04:54:55 EEST 2004 root@service.extmedia.com:/usr/obj/usr/src/sys/SERVICE i386 >Description: While I'm making root@service.extmedia.com [~] # dd if=/dev/ad0 of=/dev/null bs=1000 count=10 dd: /dev/ad0: Invalid argument 0+0 records in 0+0 records out 0 bytes transferred in 0.000544 secs (0 bytes/sec) it produse error, but root@service.extmedia.com [~] # dd if=/dev/ad0 of=/dev/null bs=4096 count=10 10+0 records in 10+0 records out 40960 bytes transferred in 0.013014 secs (3147361 bytes/sec) all good. On OpenBSD and Linux all woks fine with _ANY_ value of bs ... Is it bug or feature in FreeBSD ? If it is feature , I think this information must presents on it. >How-To-Repeat: dd if=/dev/ad0 of=/dev/null bs=1000 count=10 >Fix: >Release-Note: >Audit-Trail: >Unformatted: