From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C5F66C433DB for ; Thu, 28 Jan 2021 21:02:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 85B1D64DE0 for ; Thu, 28 Jan 2021 21:02:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231284AbhA1VCS (ORCPT ); Thu, 28 Jan 2021 16:02:18 -0500 Received: from jabberwock.ucw.cz ([46.255.230.98]:39794 "EHLO jabberwock.ucw.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229596AbhA1VBy (ORCPT ); Thu, 28 Jan 2021 16:01:54 -0500 Received: by jabberwock.ucw.cz (Postfix, from userid 1017) id 315D81C0B77; Thu, 28 Jan 2021 22:00:54 +0100 (CET) Date: Thu, 28 Jan 2021 22:00:53 +0100 From: Pavel Machek To: Chris Wilson Cc: Mike Rapoport , Linus Torvalds , Andrew Morton , Linux Kernel Mailing List Subject: Re: Linux 5.11-rc5 Message-ID: <20210128210053.GA6722@duo.ucw.cz> References: <161160687463.28991.354987542182281928@build.alporthouse.com> <20210125210456.GA196782@linux.ibm.com> <161160923954.29150.8571056944016500691@build.alporthouse.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="AhhlLboLdkugWU4S" Content-Disposition: inline In-Reply-To: <161160923954.29150.8571056944016500691@build.alporthouse.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --AhhlLboLdkugWU4S Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! /-/blob/master/kconfig/debug > > >=20 > > > Here's a boot dmesg from some affected machines from just before the = merge > > > with rc5: > > > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9676/shard-skl1/boot1= 8.txt > > > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9676/fi-skl-6600u/boo= t.html > > > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9676/fi-bsw-cyan/boot= =2Ehtml > > > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9676/fi-bdw-samus/boo= t.html > >=20 > > Is there any way to get early console from these machines? >=20 > 12:16 tsa : none of those have good hook for serial >=20 > Nothing on the console and no serial console option, and panics before > netconsole. In some experiments I was successful with console=3DttyUSB kind of setup... =2E..and I kind of wonder if we should work on getting it workig on more machines, at that seems to be only reasonable way. Umm... Actually, we still have VGA and can put console on that, no? early_printk option should really work quite early on PC. Best regards, Pavel --=20 http://www.livejournal.com/~pavelmachek --AhhlLboLdkugWU4S Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQRPfPO7r0eAhk010v0w5/Bqldv68gUCYBMmBQAKCRAw5/Bqldv6 8qs3AKCYdBVDEdZN/s3T2Fwo0iL2X0u4YACeJKEH/7SPSIdQblxqmeABu0wS3dc= =2OAd -----END PGP SIGNATURE----- --AhhlLboLdkugWU4S--