From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755165AbcINJR7 (ORCPT ); Wed, 14 Sep 2016 05:17:59 -0400 Received: from mga01.intel.com ([192.55.52.88]:34917 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750975AbcINJR4 (ORCPT ); Wed, 14 Sep 2016 05:17:56 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.30,333,1470726000"; d="scan'208";a="1055766268" From: Jani Nikula To: Pavel Machek , Martin Steigerwald Cc: kernel list , daniel.vetter@intel.com, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, "Rafael J. Wysocki" Subject: Re: 4.8-rc1: it is now common that machine needs re-run of xrandr after resume In-Reply-To: <20160914075410.GA7540@amd> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20160913202350.GA30707@amd> <20160913210437.GA4097@amd> <87y42vrkwl.fsf@intel.com> <20160914075410.GA7540@amd> User-Agent: Notmuch/0.22.1+63~g648dcc7 (https://notmuchmail.org) Emacs/24.4.1 (x86_64-pc-linux-gnu) Date: Wed, 14 Sep 2016 12:17:53 +0300 Message-ID: <87h99isuv2.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 14 Sep 2016, Pavel Machek wrote: > For the "sometimes need xrandr after resume": I don't think I can > bisect that. It only happens sometimes :-(. But there's something > helpful in the logs: > [ 1856.218863] [drm:drm_edid_block_valid] *ERROR* EDID checksum is > invalid, remainder is 130 > [ 1856.218863] Raw EDID: > [ 1856.218863] 00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] [drm:drm_edid_block_valid] *ERROR* EDID checksum is > invalid, remainder is 130 > [ 1856.218863] Raw EDID: > [ 1856.218863] 00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] [drm:drm_edid_block_valid] *ERROR* EDID checksum is > invalid, remainder is 130 > [ 1856.218863] Raw EDID: > [ 1856.218863] 00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] [drm:drm_edid_block_valid] *ERROR* EDID checksum is > invalid, remainder is 130 > [ 1856.218863] Raw EDID: > [ 1856.218863] 00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > [ 1856.218863] i915 0000:00:02.0: HDMI-A-1: EDID block 0 invalid. Pavel, Martin, do you always see this when the display fails to resume? Is it HDMI/DVI for both of you? BR, Jani. -- Jani Nikula, Intel Open Source Technology Center