From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750901AbcEHLpE (ORCPT ); Sun, 8 May 2016 07:45:04 -0400 Received: from einhorn.in-berlin.de ([192.109.42.8]:37673 "EHLO einhorn.in-berlin.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750713AbcEHLpC (ORCPT ); Sun, 8 May 2016 07:45:02 -0400 X-Envelope-From: stefanr@s5r6.in-berlin.de Date: Sun, 8 May 2016 13:44:49 +0200 From: Stefan Richter To: Daniel Vetter Cc: Paulo Zanoni , Daniel Vetter , intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Dave Airlie Subject: Re: Regression of v4.6-rc vs. v4.5 bisected: a98ee79317b4 "drm/i915/fbc: enable FBC by default on HSW and BDW" Message-ID: <20160508134449.2a7e65c5@kant> In-Reply-To: <20160506063714.GR1286@phenom.ffwll.local> References: <20160426210008.2f79fcdf@kant> <20160429100741.6be95385@kant> <20160430155154.597829ca@kant> <20160505194506.63b9c113@kant> <20160505224531.07474445@kant> <20160506063714.GR1286@phenom.ffwll.local> X-Mailer: Claws Mail 3.13.2 (GTK+ 2.24.29; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On May 06 Daniel Vetter wrote: > On Thu, May 05, 2016 at 10:45:31PM +0200, Stefan Richter wrote: [...] > > Subtest fbc-1p-primscrn-spr-indfb-fullscreen: FAIL (5.876s) > > This one failed in both runs. Can you please retest with just that using > > # kms_frontbuffer_tracking --run-subtest fbc-1p-primscrn-spr-indfb-fullscreen > > Also please boot with drm.debug=0xe and grab the full dmesg of just that > single subtest. There's definitely something going wrong here. I performed this test with - plain v4.6-rc6, - v4.6-rc6 patched with drm-intel-nightly (2016y-05m-06d-14h-29m-58s). On v4.6-rc6, the test failed thus: -------- 8< -------- Subtest fbc-1p-primscrn-spr-indfb-fullscreen failed. **** DEBUG **** (kms_frontbuffer_tracking:1914) DEBUG: Test requirement passed: fbc.can_test (kms_frontbuffer_tracking:1914) drmtest-DEBUG: Test requirement passed: is_i915_device(fd) && has_known_intel_chipset(fd) (kms_frontbuffer_tracking:1914) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=2560, height=1440, format=0x34325258, tiling=0x100000000000001, size=14745600) (kms_frontbuffer_tracking:1914) drmtest-DEBUG: Test requirement passed: is_i915_device(fd) && has_known_intel_chipset(fd) (kms_frontbuffer_tracking:1914) drmtest-DEBUG: Test requirement passed: is_i915_device(fd) && has_known_intel_chipset(fd) (kms_frontbuffer_tracking:1914) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=6, pitch=10240) (kms_frontbuffer_tracking:1914) DEBUG: Blue CRC: pipe:[2ca73d01 00000000 00000000 00000000 00000000] sink:[unsupported!] (kms_frontbuffer_tracking:1914) drmtest-DEBUG: Test requirement passed: is_i915_device(fd) && has_known_intel_chipset(fd) (kms_frontbuffer_tracking:1914) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=2560, height=1440, format=0x34325258, tiling=0x100000000000001, size=14745600) (kms_frontbuffer_tracking:1914) drmtest-DEBUG: Test requirement passed: is_i915_device(fd) && has_known_intel_chipset(fd) (kms_frontbuffer_tracking:1914) drmtest-DEBUG: Test requirement passed: is_i915_device(fd) && has_known_intel_chipset(fd) (kms_frontbuffer_tracking:1914) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=6, pitch=10240) (kms_frontbuffer_tracking:1914) igt-draw-DEBUG: Test requirement passed: intel_gen(intel_get_drm_devid(fd)) >= 5 (kms_frontbuffer_tracking:1914) DEBUG: Rect 0 CRC: pipe:[febb8b20 00000000 00000000 00000000 00000000] sink:[unsupported!] (kms_frontbuffer_tracking:1914) igt-draw-DEBUG: Test requirement passed: intel_gen(intel_get_drm_devid(fd)) >= 5 (kms_frontbuffer_tracking:1914) DEBUG: Calculated CRC: pipe:[2ca73d01 00000000 00000000 00000000 00000000] sink:[unsupported!] (kms_frontbuffer_tracking:1914) DEBUG: Test requirement passed: !fbc_not_enough_stolen() (kms_frontbuffer_tracking:1914) DEBUG: Calculated CRC: pipe:[2ca73d01 00000000 00000000 00000000 00000000] sink:[unsupported!] (kms_frontbuffer_tracking:1914) igt-draw-DEBUG: Test requirement passed: intel_gen(intel_get_drm_devid(fd)) >= 5 (kms_frontbuffer_tracking:1914) DEBUG: Calculated CRC: pipe:[2ca73d01 00000000 00000000 00000000 00000000] sink:[unsupported!] (kms_frontbuffer_tracking:1914) DEBUG: Test requirement passed: !fbc_not_enough_stolen() (kms_frontbuffer_tracking:1914) DEBUG: Calculated CRC: pipe:[2ca73d01 00000000 00000000 00000000 00000000] sink:[unsupported!] (kms_frontbuffer_tracking:1914) drmtest-DEBUG: Test requirement passed: is_i915_device(fd) && has_known_intel_chipset(fd) (kms_frontbuffer_tracking:1914) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=2560, height=1440, format=0x34325258, tiling=0x100000000000001, size=14745600) (kms_frontbuffer_tracking:1914) drmtest-DEBUG: Test requirement passed: is_i915_device(fd) && has_known_intel_chipset(fd) (kms_frontbuffer_tracking:1914) drmtest-DEBUG: Test requirement passed: is_i915_device(fd) && has_known_intel_chipset(fd) (kms_frontbuffer_tracking:1914) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=6, pitch=10240) (kms_frontbuffer_tracking:1914) DEBUG: Calculated CRC: pipe:[febb8b20 00000000 00000000 00000000 00000000] sink:[unsupported!] (kms_frontbuffer_tracking:1914) DEBUG: Test requirement passed: !fbc_not_enough_stolen() (kms_frontbuffer_tracking:1914) DEBUG: Calculated CRC: pipe:[febb8b20 00000000 00000000 00000000 00000000] sink:[unsupported!] (kms_frontbuffer_tracking:1914) igt-core-INFO: Timed out: CRC reading **** END **** IGT-Version: 1.14-gc03a8ae6bf2f (x86_64) (Linux: 4.6.0-rc6 x86_64) Primary screen: DP 2560x1440, crtc 26 FBC last action not supported Can't test PSR: no usable eDP screen. Sink CRC not supported: primary screen is not eDP Timed out: CRC reading Subtest fbc-1p-primscrn-spr-indfb-fullscreen: FAIL (5.806s) -------- >8 -------- On v4.6-rc6 plus drm-intel-nightly, the test apparently passed: -------- 8< -------- IGT-Version: 1.14-gc03a8ae6bf2f (x86_64) (Linux: 4.6.0-rc6+intel-drm-nightly x86_64) Primary screen: DP 2560x1440, crtc 26 FBC last action not supported Can't test PSR: no usable eDP screen. Sink CRC not supported: primary screen is not eDP Subtest fbc-1p-primscrn-spr-indfb-fullscreen: SUCCESS (1.018s) -------- >8 -------- I will send the kernel messages from each of these two tests in a reply to intel-gfx@lists.freedesktop.org only. -- Stefan Richter -======----- -=-= -=--- http://arcgraph.de/sr/