From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.71) id 1Up16i-0007tV-Mj for mharc-grub-devel@gnu.org; Tue, 18 Jun 2013 14:58:20 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58625) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Up16g-0007r2-5K for grub-devel@gnu.org; Tue, 18 Jun 2013 14:58:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Up15W-0006PR-Gg for grub-devel@gnu.org; Tue, 18 Jun 2013 14:57:20 -0400 Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120]:58009) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Up15W-0006Oy-AE for grub-devel@gnu.org; Tue, 18 Jun 2013 14:57:06 -0400 X-Authority-Analysis: v=2.0 cv=f9nK9ZOM c=1 sm=0 a=/DbS/tiKggfTkRRHPZEB4g==:17 a=Qsx_du5GiBkA:10 a=bfzWQn4VrGAA:10 a=S1A5HrydsesA:10 a=8nJEP1OIZ-IA:10 a=fxJcL_dCAAAA:8 a=KGjhK52YXX0A:10 a=TkxFCGUkWWEA:10 a=QfKxxUxMAAAA:8 a=28sGBZRNY2Tq6CXygkwA:9 a=wPNLvfGTeEIA:10 a=/DbS/tiKggfTkRRHPZEB4g==:117 X-Cloudmark-Score: 0 X-Authenticated-User: X-Originating-IP: 67.78.168.186 Received: from [67.78.168.186] ([67.78.168.186:52820] helo=[10.1.1.236]) by cdptpa-oedge03.mail.rr.com (envelope-from ) (ecelerity 2.2.3.46 r()) with ESMTP id 7B/99-05415-18DA0C15; Tue, 18 Jun 2013 18:57:05 +0000 Message-ID: <51C0AD80.9010606@ubuntu.com> Date: Tue, 18 Jun 2013 14:57:04 -0400 From: Phillip Susi User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130509 Thunderbird/17.0.6 MIME-Version: 1.0 To: The development of GNU GRUB Subject: Re: grubenv vs. diskfilter References: <20130603084818.74125432@opensuse.site> In-Reply-To: <20130603084818.74125432@opensuse.site> X-Enigmail-Version: 1.5.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 75.180.132.120 Cc: Andrey Borzenkov 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: Tue, 18 Jun 2013 18:58:19 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 6/3/2013 12:48 AM, Andrey Borzenkov wrote: > While grub itself can be installed on diskfilter devices (LVM, > Linux MD, ...), diskfilter devices are read-only. As grubenv is > automatically assumed to be in /boot/grub, this makes it impossible > to set variables from within grub. So grub cannot reset boot once > indicator, cannot save currently selected menu entry etc. I've been kicking around the thought that grub-pc should just put grubenv in the embed area attached to the core img, and grub-efi should put it in the ESP. That would solve grubenv not working on btrfs too. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (MingW32) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBAgAGBQJRwK2AAAoJEJrBOlT6nu758j8H/iQGytxyoqnlaMmesaDSc40Y yRcG4jDIpbkRuo0jM+Hh+hQKYXU2P3yvQOM38BAzaPsdL5we6oqjQsJcjGchsdhu 7JhOrM7uxFsInJ03FS1obOeOjR89iXoGXuR8bEcq2RMq4aLF5Enh6XK7Sm7Hq/od Zm4/k0H+notE2R3GBaFO7eyrQiHUKR5trJBkuBjOshCv2mXFO6nP9/bKooq8y1de xVJNrXaZDNs9quICLVWkRZfI259lrzQFXI3dZtSVpE2sBISGu132nzIB56m6nMVL efE6sMl2YZTs+X3G62caYboeTlN9QH4py/NaleDQgwMdJqqNoo9D3GDs5uJ4kCE= =eRAC -----END PGP SIGNATURE-----