From owner-freebsd-current@FreeBSD.ORG Tue Feb 23 17:04:41 2010 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E0513106566B for ; Tue, 23 Feb 2010 17:04:41 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id AEB418FC13 for ; Tue, 23 Feb 2010 17:04:41 +0000 (UTC) Received: from bigwig.baldwin.cx (66.111.2.69.static.nyinternet.net [66.111.2.69]) by cyrus.watson.org (Postfix) with ESMTPSA id 54C5346B64; Tue, 23 Feb 2010 12:04:41 -0500 (EST) Received: from jhbbsd.localnet (smtp.hudson-trading.com [209.249.190.9]) by bigwig.baldwin.cx (Postfix) with ESMTPA id 69E508A01F; Tue, 23 Feb 2010 12:04:40 -0500 (EST) From: John Baldwin To: freebsd-current@freebsd.org Date: Tue, 23 Feb 2010 11:20:54 -0500 User-Agent: KMail/1.12.1 (FreeBSD/7.2-CBSD-20100120; KDE/4.3.1; amd64; ; ) References: <64aa03031002161803h667734cal4d668b9eb9c0a1a8@mail.gmail.com> <64aa03031002181921m2d00966cx6a3bb2c6e761970d@mail.gmail.com> <64aa03031002181938rb9355a3sae56e9d854bdcf78@mail.gmail.com> In-Reply-To: <64aa03031002181938rb9355a3sae56e9d854bdcf78@mail.gmail.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201002231120.54401.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0.1 (bigwig.baldwin.cx); Tue, 23 Feb 2010 12:04:40 -0500 (EST) X-Virus-Scanned: clamav-milter 0.95.1 at bigwig.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-1.3 required=4.2 tests=AWL,BAYES_00 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on bigwig.baldwin.cx Cc: Chris , Scot Hetzel , Pegasus Mc Cleaft , Matt Reimer Subject: Re: Seeing the dreaded "ZFS: i/o error - all block copies unavailable" on 9.0-CURRENT X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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, 23 Feb 2010 17:04:42 -0000 On Thursday 18 February 2010 10:38:38 pm Chris wrote: > > I'm seeing some difference in the bootloader output between using the > > F12 workaround or not: > > > > F12 workaround mode: > > > > FreeBSD/i386 boot > > Default: zroot:/boot/zfsloader > > boot: status > > config: > > > > NAME STATE > > zroot ONLINE > > gpt/disk0 ONLINE > > > > > > No F12 key pressed: > > > > FreeBSD/i386 boot > > Default: zroot:/boot/kernel/kernel > > config: > > > > NAME STATE > > zroot ONLINE > > gpt/disk0 ONLINE > > > > > > What's up with the differences between the Default boot setting? > > > > Sorry for the spam but I'm seeing something else very interesting.... > If I boot to Good Mode (F12) and break to the "boot:" prompt, the > system boots if I type /boot/zfsloader. However, if I type > /boot/kernel/kernel (as was seen in the Default setting when I didn't > hit F12), I get a crash that looks like the following: > ----------------------------------------- > FreeBSD/i386 boot > Default: zroot:/boot/zfsloader > boot: /boot/kernel/kernel > int=00000006 err=00000000 efl=00010882 eip=00200000 > eax=0018b070 ebx=ed7706bd ecx=c72e2ca8 edx=00000000 > esi=00000040 edi=000929d0 ebp=0009279c esp=00009401 > cs=0008 ds=0010 es=0010 fs=0010 gs=0010 ss=0010 > cs:eip=ff ff ff ff ff ff ff ff 7f-00 00 00 00 00 00 00 00 > 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 > ss:esp=36 80 0d 07 90 00 00 01-e9 c4 fc ff ff aa ac 84 > c0 0f 84 86 00 00 00 a8-80 74 f2 88 c5 b0 3d aa > BTX halted > ----------------------------------------- I'm not sure how well we support booting a kernel from boot2 anymore, much less from zfsboot. Using /boot/loader (or /boot/zfsloader) is probably the only tested (and realistically supported) case. -- John Baldwin