From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.71) id 1XXnVx-00049U-84 for mharc-grub-devel@gnu.org; Sat, 27 Sep 2014 04:38:01 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52836) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XXnVv-00049O-6p for grub-devel@gnu.org; Sat, 27 Sep 2014 04:38:00 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XXnVs-0001yq-EL for grub-devel@gnu.org; Sat, 27 Sep 2014 04:37:59 -0400 Received: from a.painless.aa.net.uk ([2001:8b0:0:30::51bb:1e33]:41967 helo=b.a.painless.aa.net.uk) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XXnVs-0001yC-8L for grub-devel@gnu.org; Sat, 27 Sep 2014 04:37:56 -0400 Received: from 3.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.1.b.e.2.f.f.b.0.b.8.0.1.0.0.2.ip6.arpa ([2001:8b0:bff2:eb14::3] helo=riva.pelham.vpn.ucam.org) by a.painless.aa.net.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1XXnVb-0008PJ-QS for grub-devel@gnu.org; Sat, 27 Sep 2014 09:37:49 +0100 Received: from ns1.pelham.vpn.ucam.org ([172.20.153.2] helo=riva.ucam.org) by riva.pelham.vpn.ucam.org with esmtps (TLS1.2:DHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from ) id 1XXnVb-0003Yr-0X for grub-devel@gnu.org; Sat, 27 Sep 2014 09:37:39 +0100 Date: Sat, 27 Sep 2014 09:37:37 +0100 From: Colin Watson To: grub-devel@gnu.org Subject: Re: btrfs on Big Endian systems - anyone? Message-ID: <20140927083737.GA13683@riva.ucam.org> References: <20140927094820.59f68723@opensuse.site> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140927094820.59f68723@opensuse.site> User-Agent: Mutt/1.5.21 (2010-09-15) X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:8b0:0:30::51bb:1e33 X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: The development of GNU GRUB List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 27 Sep 2014 08:38:00 -0000 On Sat, Sep 27, 2014 at 09:48:20AM +0400, Andrei Borzenkov wrote: > I am not able to access btrfs on PowerPC. I did not test all of them, > but other filesystems I tried are OK. Looking at platforms, PPC seems > to be the only BE platform widely used for Linux; there are SPARC and > MIPS but I doubt they use btrfs often. > > It sounds like missing endian conversion somewhere; any idea how it can > be found without learning btrfs by heart? :) Can you reproduce it in grub-fstest from userspace? That would let you use gdb et al. -- Colin Watson [cjwatson@ubuntu.com]