From owner-freebsd-current@FreeBSD.ORG Tue Nov 5 07:06:15 2013 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id EC1CE99; Tue, 5 Nov 2013 07:06:15 +0000 (UTC) (envelope-from glebius@FreeBSD.org) Received: from cell.glebius.int.ru (glebius.int.ru [81.19.69.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 671F820DB; Tue, 5 Nov 2013 07:06:14 +0000 (UTC) Received: from cell.glebius.int.ru (localhost [127.0.0.1]) by cell.glebius.int.ru (8.14.7/8.14.7) with ESMTP id rA5769Nf005556 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 5 Nov 2013 11:06:09 +0400 (MSK) (envelope-from glebius@FreeBSD.org) Received: (from glebius@localhost) by cell.glebius.int.ru (8.14.7/8.14.7/Submit) id rA5769OH005555; Tue, 5 Nov 2013 11:06:09 +0400 (MSK) (envelope-from glebius@FreeBSD.org) X-Authentication-Warning: cell.glebius.int.ru: glebius set sender to glebius@FreeBSD.org using -f Date: Tue, 5 Nov 2013 11:06:09 +0400 From: Gleb Smirnoff To: Konstantin Belousov Subject: Re: 10.0-BETA1 i386 on VirtualBox Message-ID: <20131105070608.GI1467@glebius.int.ru> References: <526939BF.4030306@dat.pl> <201311021106.17222.breton@cynicmansion.ru> <52761D4C.8030404@dat.pl> <201311031629.20378.breton@cynicmansion.ru> <20131103134601.GN52889@glebius.int.ru> <20131103144131.GG59496@kib.kiev.ua> <52778541.3090803@dat.pl> <20131104163825.GS59496@kib.kiev.ua> <20131104165341.GK52889@glebius.int.ru> <20131105070222.GW59496@kib.kiev.ua> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20131105070222.GW59496@kib.kiev.ua> User-Agent: Mutt/1.5.22 (2013-10-16) Cc: Boris Bobrov , Glen Barber , "freebsd-current@freebsd.org" , Maciej Milewski X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Nov 2013 07:06:16 -0000 On Tue, Nov 05, 2013 at 09:02:22AM +0200, Konstantin Belousov wrote: K> First, all reported instances have ata attachment for the ada0, except K> of milu (possibly). So this means that kernel does transient remapping, K> and very different code path is executed comparing with what I thought K> initially. The path is simpler than the pure unmapped i/o. K> K> Second, I use QEMU with the ata0 attachment for the disks regularly, and K> I do not have an issue. I also did not see a report from the real h/w. K> K> Third point is that all reports are i386. Is there anybody with amd64, K> vbox, ata and the same corruption hiddent by disabling unmapped i/o ? K> K> In what way the non-working images were installed ? Is it possible to K> produce the problematic installs by doing it one way, and non-problematic K> by another ? The only known way to get FreeBSD working is to turn off unmapped io in loader. Any tweaking of "hardware" in VB or changes in the install process do not affect. -- Totus tuus, Glebius.