Created attachment 120438 [details] Dmesg log The following test on IGT are failing: drv_hangman@error-state-caputure-bsd drv_hangman@error-state-caputure-render Test Enviroment: Linux distribution: Ubuntu 15.10 LTS 64 bits Kernel: 4.3 mainline from https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/?id=refs/tags/v4.3 Bios (BSW: BRAS.X64.B084.R00.1508310642, SKL: SKLSE2R1.R00.B104.B01.1511110114) xorg-server-1.18.0 from http://cgit.freedesktop.org/xorg/xserver libdrm-2.4.65 from http://cgit.freedesktop.org/mesa/drm/ xf86-video-intel 2.99.917 from http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/ mesa-11.0.4 from http://cgit.freedesktop.org/mesa/mesa/ libva-1.6.2.pre1 from http://cgit.freedesktop.org/libva/ vaapi-intel-driver 1.6.2.pre1 from http://cgit.freedesktop.org/vaapi/intel-driver cairo 1.14.4 from http://cgit.freedesktop.org/cairo Steps to reproduce: Install graphic stack following mentioned components Install IGT Execute: ./run-test.sh -t drv_hangman@error-state-caputure-bsd -t drv_hangman@error-state-caputure-render drv_hangman: starting subtest error-state-capture-bsd [ 226.430100] [drm:i915_error_state_write] Resetting error state [ 226.430109] [drm:i915_gem_open] [ 226.430460] [drm:i915_gem_open] [ 226.430533] [drm:i915_ring_stop_set] Stopping rings 0x00000002 [ 232.762320] [drm] stuck on bsd ring [ 232.763324] [drm] GPU HANG: ecode 8:1:0xfffffffe, in drv_hangman [1373], reason: Ring hung, action: reset [ 232.763326] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [ 232.763327] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [ 232.763327] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [ 232.763328] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [ 232.763329] [drm] GPU crash dump saved to /sys/class/drm/card0/error [ 232.763355] [drm:i915_reset_and_wakeup] resetting chip [ 232.765437] [drm] Simulated gpu hang, resetting stop_rings [ 232.765440] drm/i915: Resetting chip after gpu hang [ 232.765516] [drm:gen8_init_common_ring] Execlists enabled for render ring [ 232.765522] [drm:gen8_init_common_ring] Execlists enabled for bsd ring [ 232.765526] [drm:gen8_init_common_ring] Execlists enabled for blitter ring [ 232.765530] [drm:gen8_init_common_ring] Execlists enabled for video enhancement ring [ 232.765536] [drm:gen8_init_common_ring] Execlists enabled for bds2 ring [ 234.763758] [drm:intel_print_rc6_info] Enabling RC6 states: RC6 on [ 238.744444] drv_hangman: exiting, ret=99
please check : https://bugs.freedesktop.org/show_bug.cgi?id=91638 As reference
*** This bug has been marked as a duplicate of bug 91638 ***
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