From owner-freebsd-current@FreeBSD.ORG Mon Apr 23 07:40:31 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 1D03F16A400 for ; Mon, 23 Apr 2007 07:40:31 +0000 (UTC) (envelope-from garyj@jennejohn.org) Received: from mail08c.verio.de (mail08c.verio.de [213.198.55.118]) by mx1.freebsd.org (Postfix) with SMTP id 70C0113C480 for ; Mon, 23 Apr 2007 07:40:30 +0000 (UTC) (envelope-from garyj@jennejohn.org) Received: from mx111.stngva01.us.mxservers.net (198.173.112.17) by mail08c.verio.de (RS ver 1.0.95vs) with SMTP id 2-034254027 for ; Mon, 23 Apr 2007 03:40:28 -0400 (EDT) Received: from mmm808.verio.de [213.198.55.120] (EHLO mmm808.verio.de) by mx111.stngva01.us.mxservers.net (mxl_mta-1.3.8-10p4) with ESMTP id 1a92c264.26443.393.mx111.stngva01.us.mxservers.net; Sun, 22 Apr 2007 23:36:01 -0400 (EDT) Received: (qmail 61145 invoked from network); 23 Apr 2007 07:40:26 -0000 Received: from unknown (HELO peedub.jennejohn.org) (89.49.185.212) by with SMTP; 23 Apr 2007 07:40:26 -0000 Received: from jennejohn.org (localhost [127.0.0.1]) by peedub.jennejohn.org (8.14.1/8.14.1) with ESMTP id l3N7ePYY002460; Mon, 23 Apr 2007 09:40:25 +0200 (CEST) (envelope-from garyj@jennejohn.org) Message-Id: <200704230740.l3N7ePYY002460@peedub.jennejohn.org> X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.0.4 To: Pawel Jakub Dawidek In-Reply-To: Message from Pawel Jakub Dawidek of "Sun, 22 Apr 2007 23:22:13 +0200." <20070422212213.GK52622@garage.freebsd.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Mon, 23 Apr 2007 09:40:25 +0200 From: Gary Jennejohn X-Spam: [F=0.4999659431; heur=0.500(-19800); stat=0.489; spamtraq-heur=0.510(2007022501)] X-MAIL-FROM: X-SOURCE-IP: [213.198.55.120] X-SF-Loop: 1 Cc: freebsd-current@FreeBSD.org Subject: Re: Problem with ZFS and devices 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: Mon, 23 Apr 2007 07:40:31 -0000 Pawel Jakub Dawidek writes: > On Sun, Apr 22, 2007 at 01:11:43PM +0200, Gary Jennejohn wrote: > > I have a really strange problem with ZFS. > > > > I have a filesystem (mypool/scr mounted on /scr) which contains root file > > systems for various embedded boards (arm, ppc, mips). The file systems > > naturally contain a /dev directory. > > > > I have: > > mypool/scr devices on default > >=20 > > The device numbers a _totally_ fubar on ZFS! > > > > I used a tarball called dev.tar to move dev from a Linux box to my FreeBSD > > box. > > > > When I unpack dev.tar under ZFS I see totally screwd up values: > > > > crw-r--r-- 1 root bin 5, 0xc11b0020 Feb 3 22:06 ttyCPM0 > > crw-r--r-- 1 root bin 0, 0 Feb 3 22:06 ttyCPM1 > > crw-r--r-- 1 root bin 69, 0xc11a0008 Feb 3 22:06 ttyCPM2 > > crw-r--r-- 1 root bin 0, 0 Feb 3 22:06 ttyCPM3 > > crw-r--r-- 1 root bin 0, 0 Feb 3 22:06 ttyCPM4 > > crw-r--r-- 1 root bin 69, 0xc11a0008 Feb 3 22:06 ttyCPM5 > > > > If I unpack dev.tar under UFS (/tmp) then all device numbers are correct: > > > > crw-r--r-- 1 root bin 204, 46 Feb 3 22:06 ttyCPM0 > > crw-r--r-- 1 root bin 204, 47 Feb 3 22:06 ttyCPM1 > > crw-r--r-- 1 root bin 204, 48 Feb 3 22:06 ttyCPM2 > > crw-r--r-- 1 root bin 204, 49 Feb 3 22:06 ttyCPM3 > > crw-r--r-- 1 root bin 204, 50 Feb 3 22:06 ttyCPM4 > > crw-r--r-- 1 root bin 204, 51 Feb 3 22:06 ttyCPM5 > > > > The screwed up device numbers prevent me from using my FreeBSD box as the > > server for my embedded boards. > > > > Even weirder: > > > > root:peedub:~:bash:1> cd /scr/eldk-4.1/arm/arm/dev > > root:peedub:dev:bash:2> mknod ttyCPM0 c 204 46 > > root:peedub:dev:bash:3> ls -l > > total 1 > > crw-r--r-- 1 root bin 0, 0 Apr 22 13:02 ttyCPM0 > > > > Any ideas WTF is going here? Is this a pathological problem with ZFS? > > I just committed a fix. Can you update and confirm it works for you? > > PS. Thanks for the kind bug report. > I'll check it out ASAP. Thanks for the quick fix. I was just very surprised to discover that the entries in dev were so weird and I guess I got a little carried away with the email. Hope I didn't offend you. --- Gary Jennejohn / garyjATjennejohnDOTorg gjATfreebsdDOTorg garyjATdenxDOTde