From mboxrd@z Thu Jan 1 00:00:00 1970 From: Danny Milosavljevic Subject: Re: GRUB and installer invisible on serial console Date: Sat, 21 Dec 2019 20:06:07 +0100 Message-ID: <20191221200607.02876f62@scratchpost.org> References: <87lfr5pou4.fsf@elephly.net> <20191221200040.16d49dc3@scratchpost.org> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/NkSZVmHr/HnFVXVboxkRjQc"; protocol="application/pgp-signature"; micalg=pgp-sha256 Return-path: Received: from eggs.gnu.org ([2001:470:142:3::10]:38832) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iik4s-0002vm-GM for guix-devel@gnu.org; Sat, 21 Dec 2019 14:06:15 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iik4r-0006EH-4T for guix-devel@gnu.org; Sat, 21 Dec 2019 14:06:14 -0500 Received: from dd26836.kasserver.com ([85.13.145.193]:49282) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iik4p-0006AH-Fy for guix-devel@gnu.org; Sat, 21 Dec 2019 14:06:12 -0500 In-Reply-To: <20191221200040.16d49dc3@scratchpost.org> List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org Sender: "Guix-devel" To: Ricardo Wurmus Cc: guix-devel@gnu.org --Sig_/NkSZVmHr/HnFVXVboxkRjQc Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Also, the Linux kernel console is something independent from grub. To test that, try adding "console=3DttyS0,115200" to the operating-system's kernel-arguments. Currently, Guix automatically set up a getty if it detects the "console=3DttyS0" argument in /proc/cmdline . That is supposed to ensure some reasonable console continuity, so as soon as the Linux kernel has a console, the userspace is also supposed to use it automaticall= y. It might make sense to make our grub automatically add "console=3DttyS0,115= 200" to the Linux command line that it already emits. --Sig_/NkSZVmHr/HnFVXVboxkRjQc Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEds7GsXJ0tGXALbPZ5xo1VCwwuqUFAl3+bR8ACgkQ5xo1VCww uqXPtwf8CLkxcVqIUEO0Orx7F97jytFsTqeosvscZ9sXf1Hk7BEKD3R8euPs1XDR 2IKIaTpCn8aqmigglCPvjU1s7Rc+3YWsyoNV7bXcBrC2xy29xExln/VV8vCKAVKw PgSUfS4jlByDpszt7E53+eZaz5Kpyscab1m3GYEopggJNyKWWZg6iaPAYr+dOuFM YSP5GZRV7CZw+c3MDdSbKabiI6nMgmvtlmsvFOdvHHNaMxjTbUk8UtO3jaE+2gDW D0v3/I04Y0srhSrkrlCUksMbg/2iceFTK/MzStBqzpQ7p1iw4YdXf1rxelx4BYkP qzNYLxlJNXnC99CD8r757jMN1iklkA== =m/7Z -----END PGP SIGNATURE----- --Sig_/NkSZVmHr/HnFVXVboxkRjQc--