From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: 4.8-rc1: it is now common that machine needs re-run of xrandr after resume Date: Wed, 14 Sep 2016 12:17:53 +0300 Message-ID: <87h99isuv2.fsf@intel.com> References: <20160913202350.GA30707@amd> <20160913210437.GA4097@amd> <87y42vrkwl.fsf@intel.com> <20160914075410.GA7540@amd> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20160914075410.GA7540@amd> Sender: linux-kernel-owner@vger.kernel.org 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" List-Id: intel-gfx@lists.freedesktop.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