<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [SKL] vblank not available on crtc 0, ret=-22 (makes X freeze)" href="https://bugs.freedesktop.org/show_bug.cgi?id=96419#c18">Comment # 18</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [SKL] vblank not available on crtc 0, ret=-22 (makes X freeze)" href="https://bugs.freedesktop.org/show_bug.cgi?id=96419">bug 96419</a> from <a class="email" href="mailto:christophe.prigent@intel.com" title="cprigent <christophe.prigent@intel.com>"> cprigent</a> <pre>Created <a href="attachment.cgi?id=125877" name="attach_125877" title="SKL-kms_rotation_crc-patch-104497-kern.log">attachment 125877</a> <a href="attachment.cgi?id=125877&action=edit" title="SKL-kms_rotation_crc-patch-104497-kern.log">[details]</a> SKL-kms_rotation_crc-patch-104497-kern.log By executing IGT test kms_rotation_crc, I'm reproducing: - vblank not available on crtc 0, ret=-22 - ERROR CPU pipe A FIFO underrun - a GPU hang I confirm it needs 2 external screens to reproduce it. I applied version 12: <a href="https://lists.freedesktop.org/archives/intel-gfx/2016-August/104497.html">https://lists.freedesktop.org/archives/intel-gfx/2016-August/104497.html</a> I now see: [ 150.340992] [drm:verify_wm_state.isra.103 [i915]] *ERROR* mismatch in DDB state pipe A plane 2 (expected (0,0), found (430,860)) [ 155.163585] WARNING: CPU: 3 PID: 3758 at drivers/gpu/drm/i915/intel_display.c:3249 intel_fb_gtt_offset+0x6d/0x80 [i915] [ 155.163588] ggtt vma for display object not found! (view=1) [ 155.194432] [drm:gen8_irq_handler [i915]] *ERROR* Fault errors on pipe A [ 164.832451] [drm] GPU crash dump saved to /sys/class/drm/card0/error Platform: NUC6i3SYB CPU: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHZ (family 6, model 78, stepping 3) Motherboard version: H81132-502 GPU: Intel® HD Graphics 520 - Intel Corporation Sky Lake Integrated Graphics (rev 07) Memory: one 8GB card Kingston KVR21S15D8/8 SSD: Samsung 850 EVO M.2 120 Go Software Bios: SYSKLi35.86A.0045.2016.0527.1055 from <a href="https://downloadcenter.intel.com/downloads/eula/26097/BIOS-Update-SYSKLi35-86A-?httpDown=https%3A%2F%2Fdownloadmirror.intel.com%2F26097%2Feng%2FSY0045.bio">https://downloadcenter.intel.com/downloads/eula/26097/BIOS-Update-SYSKLi35-86A-?httpDown=https%3A%2F%2Fdownloadmirror.intel.com%2F26097%2Feng%2FSY0045.bio</a> Linux distribution: Ubuntu 16.04 64 bits Kernel: 4.8.0-rc2 e4ec788 from <a href="http://cgit.freedesktop.org/drm-intel/">http://cgit.freedesktop.org/drm-intel/</a> commit e4ec788166b13fc8b5b7e188c522d4cf07ba53eb Author: Sumit Semwal <<a href="mailto:sumit.semwal@linaro.org">sumit.semwal@linaro.org</a>> Date: Tue Aug 16 12:36:30 2016 +0530 drm-intel-nightly: 2016y-08m-16d-07h-06m-09s UTC integration manifest with <a href="https://lists.freedesktop.org/archives/intel-gfx/2016-August/104497.html">https://lists.freedesktop.org/archives/intel-gfx/2016-August/104497.html</a> and <a href="https://patchwork.freedesktop.org/series/11157/">https://patchwork.freedesktop.org/series/11157/</a> applied libdrm-2.4.70-2 b214b05 from git://anongit.freedesktop.org/mesa/drm mesa: mesa-11.2.2 3a9f628from git://anongit.freedesktop.org/mesa/mesa cairo 1.15.2 db8a7f1 from git://anongit.freedesktop.org/cairo xorg-server-1.18.0-525 de5291c from git://git.freedesktop.org/git/xorg/xserver xf86-video-intel 2.99.917-695 c8fc7f5 from git://git.freedesktop.org/git/xorg/driver/xf86-video-intel libva-1.7.0-45 b27feb9 from git://git.freedesktop.org/git/vaapi/libva vaapi-intel-driver: 1.7.0-82 98555d2 from git://git.freedesktop.org/git/vaapi/intel-driver DMC 1.26 from <a href="https://01.org/sites/default/files/downloads/intelr-graphics-linux/skldmcver126.tar_1.bz2">https://01.org/sites/default/files/downloads/intelr-graphics-linux/skldmcver126.tar_1.bz2</a> GUC 6.1 from <a href="https://01.org/sites/default/files/downloads/intelr-graphics-linux/sklgucver61.tar.bz2">https://01.org/sites/default/files/downloads/intelr-graphics-linux/sklgucver61.tar.bz2</a> Intel-Gpu-Tools 1.15 a147ef2 from <a href="http://anongit.freedesktop.org/git/xorg/app/intel-gpu-tools.git">http://anongit.freedesktop.org/git/xorg/app/intel-gpu-tools.git</a> External screens: DP: LG 23MB35PYI, HDMI: CTL IP2152</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>