From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754940AbdKAQy5 (ORCPT ); Wed, 1 Nov 2017 12:54:57 -0400 Received: from anholt.net ([50.246.234.109]:47604 "EHLO anholt.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751681AbdKAQy4 (ORCPT ); Wed, 1 Nov 2017 12:54:56 -0400 From: Eric Anholt To: Matt Hart , Florian Fainelli Cc: linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Stefan Wahren , bcm-kernel-feedback-list@broadcom.com, Loic Poulain , Marcel Holtmann Subject: Re: [GIT PULL 1/2] bcm2835-dt-fixes-2017-10-06 In-Reply-To: References: <20171006220504.7776-1-eric@anholt.net> User-Agent: Notmuch/0.22.2+1~gb0bcfaa (http://notmuchmail.org) Emacs/25.2.2 (x86_64-pc-linux-gnu) Date: Wed, 01 Nov 2017 09:54:53 -0700 Message-ID: <87wp3andlu.fsf@anholt.net> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-=-= Content-Type: text/plain Matt Hart writes: > On 6 October 2017 at 23:14, Florian Fainelli wrote: >> >> On 10/06/2017 03:05 PM, Eric Anholt wrote: >> > Hi Florian. Here's a patch that's gone through a couple of revisions >> > on the list, that seriously fixes up the default serial behavior -- >> > previously, without the right config.txt/cmdline bits, you'd often end >> > up with a hang with no output before booting completed. It would be >> > great to get it into 4.14. >> > >> > The following changes since commit 2bd6bf03f4c1c59381d62c61d03f6cc3fe71f66e: >> > >> > Linux 4.14-rc1 (2017-09-16 15:47:51 -0700) >> > >> > are available in the git repository at: >> > >> > git://github.com/anholt/linux tags/bcm2835-dt-fixes-2017-10-06 >> > >> > for you to fetch changes up to f08f58a2bf68900a84e782b8c7ad701c0654173c: >> > >> > ARM: dts: bcm283x: Fix console path on RPi3 (2017-10-06 13:04:56 -0700) >> > >> > ---------------------------------------------------------------- >> > This pull request brings in a fix for default serial console setup on >> > RPi3, so it now comes up with no config.txt/cmdline.txt settings in >> > the firmware. >> > >> > ---------------------------------------------------------------- >> >> Merged, thanks Eric >> >> -- >> Florian > > Hi all, > > I realise this patch has been in mainline for a more than a week, but > I've only recently had time to bisect broken rpi-3 boots in kernelci > and found f08f58a2bf68900a84e782b8c7ad701c0654173c as the cause. > > Kernelci boots the rpi3 using uboot, with console=ttyS0 in the command > line which now fails: > https://kernelci.org/boot/id/59f787f059b5147794ef1dcf/ > > Is there an alias I can use for both before and after this patch? > > Mainline boots fine if I use console=ttyS1 or drop the console arg > altogether, but as we don't currently support different boot args per > tree, and we don't have the manpower to track this patch in all the > trees we test, we will have to switch to only boot testing mainline > from now on. > > It seems to me the patch is doing the right thing, so this is just an > FYI, though I can imagine a few users getting caught by this. Yeah, this matches my experience basically. As far as I can tell, we were just doing things wrong before, thus needing these custom boot args that we can all now get rid of. I wish I had a better answer. --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE/JuuFDWp9/ZkuCBXtdYpNtH8nugFAln5/F0ACgkQtdYpNtH8 nujrOQ//cDVAfs2l+gn20NDl8Mz3pKMjHJNIml+xSm4e9dZuC+HXVg4gFvYbpD/a 21taNAXZjbTXTFd0mNE5gS3pwEuTvijIKGFhGSmwyWNmQQ4ZUsceYoMdJcoFTas+ hybAWOhD5Shv1SO3rzlazc9o3Dxkm1QeV5bTVgN/9JZFhEmbp0G3UUKNqeEmEz+4 eqR0i6r/czlZbi6Okv2gAjN3qogXHdXQuyox/LH/cHnRNiq1Rmqbd7qlZf88PxBk YGvSrTib+EQ/ixCGXcb5yJPfjbzGrQk2qORjFpLr1l3uQcaivSN8VgtN76nhvqKc jlNk+cqJbvZdeqFe4LA3IKiCJWBKp1pagHskV/Qi5SPyyOoR0/rAqXlNS2FQZTkH izjWI8OKItEBKEu4N1xTb+7lU7yC3rf2ndGP8/X+6uOGB/K4PjTlkX2zCncY7Z2o 4XNxPpJeX8uNEDgk+F+NQuc4WhcMWKZhg/aXFBad+aFto8heSr3+o9y0hUo+PC2o sJO0uEM2ACRGO68c1LHrN+H+ZUUJPLxNVcyu28iHLwiwAGy+AXKKYe8uYJWMNcV6 GqBGqa4T26LFyLNCWmCmwPeXnJK9e5gdIam3wuUg+Ua2ESgi06zU14bH7xc7lIUZ gO/YjkGQOMXAqNyhVkMGPi+97zNqUzM4elOdXqoX3CuIv0YeSS4= =lfAP -----END PGP SIGNATURE----- --=-=-=--