From owner-freebsd-questions Thu Jan 4 0:52:51 2001 From owner-freebsd-questions@FreeBSD.ORG Thu Jan 4 00:52:48 2001 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from rucus.ru.ac.za (rucus.ru.ac.za [146.231.29.2]) by hub.freebsd.org (Postfix) with SMTP id 892EE37B400 for ; Thu, 4 Jan 2001 00:52:44 -0800 (PST) Received: (qmail 667 invoked by uid 1003); 4 Jan 2001 08:52:38 -0000 Date: Thu, 4 Jan 2001 10:52:38 +0200 From: Neil Blakey-Milner To: jean MAULEON Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Problem when trying to access linux partition Message-ID: <20010104105238.A99237@mithrandr.moria.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from newjem@hotmail.com on Thu, Jan 04, 2001 at 09:32:37AM +0100 X-Operating-System: FreeBSD 4.1-STABLE i386 X-URL: http://mithrandr.moria.org/nbm/ Sender: nbm@rucus.ru.ac.za Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thu 2001-01-04 (09:32), jean MAULEON wrote: > Hi, > > I recompile my kernel with adding > options EXT2FS, > > when booting I got an error saying > /kernel ext2fs: #ad /0x80002: wrong magic number 0xffff (expected 0xef53) > ... > ... > ... > Warning R/W mount at #0x... denied due to unsupported optional features > > > > > When I type > mount -t ext2fs /dev/ad0s7 /mnt => wrong magic number .... > > On my system I have the following configuration > > Master disk : 3 partitions > - windows 5 Go (fat32) > - data 5Go (fat32) > - linux 5G0 (ext2fs) including 3 Mount points > Slave disk : FreeBsd > > Wahen i type > mount -t msdos /dev/ad0s1 /mnt => that works > > but it's impossible to mount any linux partition. > > What can I check? Your Linux partition is tuned to use the non-backwards-compatible (for writing) "sparse superblocks" option. To fix it, boot Linux, and look at the tune2fs man page for options on how to disable it. You can then use it on your FreeBSD system. Neil -- Neil Blakey-Milner nbm@mithrandr.moria.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message