Created attachment 114907 [details] dmesg ==System Environment== -------------------------- Regression: not sure Non-working platforms: SKL ==kernel== -------------------------- drm-intel-nightly/333cf6eed7cae0ee2d6bb1b4c4d421b94f84fc13 commit 333cf6eed7cae0ee2d6bb1b4c4d421b94f84fc13 Author: Jani Nikula <jani.nikula@intel.com> Date: Thu Apr 2 11:38:12 2015 +0300 drm-intel-nightly: 2015y-04m-02d-08h-37m-57s UTC integration manifest ==Bug detailed description== ----------------------------- Run 3 rounds, it happens 1 round. kms_flip@flip-vs-modeset-vs-hang-interruptible kms_flip@flip-vs-panning-vs-hang-interruptible kms_flip@vblank-vs-hang-interruptible kms_flip@wf_vblank output: IGT-Version: 1.10-g43a1f64 (x86_64) (Linux: 4.0.0-rc6_drm-intel-nightly_333cf6_20150403+ x86_64) Using monotonic timestamps Beginning absolute-wf_vblank on crtc 20, connector 34 3200x1800 60 3200 3248 3280 3316 1800 1802 1807 1816 0xa 0x48 361310 ............................................................ absolute-wf_vblank on crtc 20, connector 34: PASSED Beginning absolute-wf_vblank on crtc 25, connector 34 3200x1800 60 3200 3248 3280 3316 1800 1802 1807 1816 0xa 0x48 361310 ............................................................. absolute-wf_vblank on crtc 25, connector 34: PASSED Beginning absolute-wf_vblank on crtc 30, connector 34 3200x1800 60 3200 3248 3280 3316 1800 1802 1807 1816 0xa 0x48 361310 ............................................................. absolute-wf_vblank on crtc 30, connector 34: PASSED Subtest absolute-wf_vblank: SUCCESS (34.163s) [ 45.191531] WARNING: CPU: 2 PID: 0 at drivers/gpu/drm/i915/intel_display.c:10177 intel_check_page_flip+0xa6/0xc1 [i915]() [ 45.191536] Kicking stuck page flip: queued at 1, now 5 [ 45.191539] Modules linked in: dm_mod snd_hda_codec_realtek snd_hda_codec_generic ppdev snd_hda_intel snd_hda_controller snd_hda_codec snd_hda_core snd_hwdep pcspkr snd_pcm s nd_timer snd soundcore i2c_i801 wmi battery parport_pc parport ac acpi_cpufreq i915 button video drm_kms_helper drm [ 45.191576] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 4.0.0-rc6_drm-intel-nightly_333cf6_20150403+ #196 [ 45.191580] Hardware name: Intel Corporation Skylake Client platform/Skylake Y LPDDR3 RVP3, BIOS SKLSE2R1.86C.B067.R00.1412310711 12/31/2014 [ 45.191584] 0000000000000000 0000000000000009 ffffffff817950c6 ffff88014e483e18 [ 45.191591] ffffffff8103bcf8 ffff88014427c9a0 ffffffffa00d44f1 0000000000000002 [ 45.191596] ffff88014427c800 ffff88009baed000 0000000000000001 0000000000000001 [ 45.191602] Call Trace: [ 45.191606] <IRQ> [<ffffffff817950c6>] ? dump_stack+0x40/0x50 [ 45.191626] [<ffffffff8103bcf8>] ? warn_slowpath_common+0x98/0xb0 [ 45.191659] [<ffffffffa00d44f1>] ? intel_check_page_flip+0xa6/0xc1 [i915] [ 45.191667] [<ffffffff8103bd55>] ? warn_slowpath_fmt+0x45/0x4a [ 45.191703] [<ffffffffa00c4b2d>] ? __intel_pageflip_stall_check+0xaf/0xd8 [i915] [ 45.191734] [<ffffffffa00d44f1>] ? intel_check_page_flip+0xa6/0xc1 [i915] [ 45.191771] [<ffffffffa00ab610>] ? gen8_irq_handler+0x1fb/0x345 [i915] [ 45.191778] [<ffffffff81071d29>] ? handle_irq_event_percpu+0x34/0x15b [ 45.191784] [<ffffffff81081f22>] ? update_wall_time+0x524/0x53d [ 45.191790] [<ffffffff81071e7e>] ? handle_irq_event+0x2e/0x4c [ 45.191796] [<ffffffff810743c7>] ? handle_edge_irq+0xba/0xcf [ 45.191802] [<ffffffff810042f8>] ? handle_irq+0x15/0x1d [ 45.191808] [<ffffffff81003dbc>] ? do_IRQ+0x41/0xc0 [ 45.191814] [<ffffffff8179b42a>] ? common_interrupt+0x6a/0x6a [ 45.191816] <EOI> [<ffffffff816aded8>] ? cpuidle_enter_state+0x71/0x11e [ 45.191869] [<ffffffff816adebc>] ? cpuidle_enter_state+0x55/0x11e [ 45.191879] [<ffffffff81065324>] ? cpu_startup_entry+0x1f7/0x34d [ 45.191884] ---[ end trace abc623aeca530d81 ]--- ==Reproduce steps== ---------------------------- 1. dmesg -r|egrep "<[1-4]>"|grep drm
Created attachment 116695 [details] [review] Perform stall check after handling flip done interrupt Could you please give this patch a try?
Christophe, Would you please test this patch.
Assigned to me.
Created attachment 123097 [details] piglit json results This test keeps failing on skl with the latest configuration : Software configuration ======================= Linux distribution: Ubuntu 15.10 64 bits Kernel: drm-intel-nightly 4.6.0-rc3_d9131d6 from http://cgit.freedesktop.org/drm-intel/ commit d9131d62d18ba94fb3ca019f1156c22b5f4ce23c Author: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Date: Fri Apr 15 14:54:26 2016 +0100 drm-intel-nightly: 2016y-04m-15d-13h-53m-44s UTC integration manifestdrm: tag libdrm-2.4.66-33-gf884af9 libdrm 2.4.67-25 cc9a53f from git://git.freedesktop.org/git/mesa/drm mesa 11.1.2 7bcd827 from git://git.freedesktop.org/git/mesa/mesa cairo 1.15.2 db8a7f1 from git://git.freedesktop.org/git/cairo xorg/xserver 1.18.0-274 8437955 from git://git.freedesktop.org/git/xorg/xserver xf86-video-intel 2.99.917-634 81029be from git://git.freedesktop.org/git/xorg/driver/xf86-video-intel vaapi/libva 1.7.0-1 2339d10 from git://git.freedesktop.org/git/vaapi/libva vaapi/intel-driver 1.7.0-8 2c1bec0 from git://git.freedesktop.org/git/vaapi/intel-driver intel-gpu-tool 1.14 7bd2ac6 from http://anongit.freedesktop.org/git/xorg/app/intel-gpu-tools.git rendercheck master 44032a7 from http://anongit.freedesktop.org/git/xorg/app/rendercheck.git test output ============== igt@kms_flip@wf_vblank --------------------------------> dmesg-warn igt@kms_flip@wf_vblank-interruptible -------------------> dmesg-warn igt@kms_flip@wf_vblank-ts-check-interruptible-----------> dmesg-warn igt@kms_flip@flip-vs-modeset-vs-hang-interruptible------> dmesg-fail igt@kms_flip@wf_vblank-vs-modeset-interruptible---------> dmesg-warn igt@kms_flip@wf_vblank-vs-dpms--------------------------> dmesg-warn igt@kms_flip@wf_vblank-vs-dpms-interruptible------------> dmesg-warn igt@kms_flip@wf_vblank-vs-modeset-----------------------> dmesg-warn igt@kms_flip@flip-vs-panning-vs-hang-interruptible------> dmesg-fail igt@kms_flip@vblank-vs-hang-interruptible---------------> dmesg-fail igt@kms_flip@wf_vblank-ts-check-------------------------> dmesg-warn Attached json file with piglit results.
I don't reproduce it. Kernel log does not show "WARNING: CPU: 2 PID: 0 at drivers/gpu/drm/i915/intel_display.c:10177 intel_check_page_flip+0xa6/0xc1" Platform SKL Skull Canyon: NUC6i7KYK CPU: Intel® Core(TM) i7-6770HQ CPU @ 2.6GHz (family 6, model 94, stepping 3) GPU: Intel® IrisTM Pro Graphics 580 - Intel Corporation Sky Lake Integrated Graphics (rev 09) Motherboard version: H90766-405 Memory: 2 x 4GB card Kingston KVR21S15S8/4 Software Bios: KYSKLi70.86A.0041.2016.0817.1130 from https://downloadcenter.intel.com/downloads/eula/26210/BIOS-Update-KYSKLi70-86A-?httpDown=https%3A%2F%2Fdownloadmirror.intel.com%2F26210%2Feng%2FKY0041.bio Linux distribution: Ubuntu 16.04 64 bits DMC 1.26 from https://01.org/sites/default/files/downloads/intelr-graphics-linux/skldmcver126.tar_1.bz2 GUC 6.1 from https://01.org/sites/default/files/downloads/intelr-graphics-linux/sklgucver61.tar.bz2 External screens: ASUS PB287Q (DP), DELL P2715Qt (HDMI) Kernel: 4.8.0 f35ed31 from http://cgit.freedesktop.org/drm-intel/ commit f35ed31aea66b3230c366fcba5f3456ae2cb956e Author: Jani Nikula <jani.nikula@intel.com> Date: Mon Oct 10 14:29:09 2016 +0300 drm-intel-nightly: 2016y-10m-10d-11h-28m-51s UTC integration manifest libdrm-2.4.71 a44c9c3 from git://anongit.freedesktop.org/mesa/drm mesa: mesa-12.0.0 8b06176 from git://anongit.freedesktop.org/mesa/mesa cairo 1.15.2 db8a7f1 from git://anongit.freedesktop.org/cairo xorg-server-1.18.99.901-76 97a8353 from git://git.freedesktop.org/git/xorg/xserver xf86-video-intel 2.99.917-712 696f58f from git://git.freedesktop.org/git/xorg/driver/xf86-video-intel libva-1.7.2-38 3b7e499 from git://git.freedesktop.org/git/vaapi/libva vaapi-intel-driver: 1.7.2-133 dd73514 from git://git.freedesktop.org/git/vaapi/intel-driver IGT: intel-gpu-tools-1.16-59 48a9e1e from http://anongit.freedesktop.org/git/xorg/app/intel-gpu-tools.git
So closed
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