Intel-GFX-CI hosts are starting to run i915 selftests, and this bug is part of the series "Initial findings" On old platforms the selftest drv_selftest@live_requests fails with: [ 923.405531] Setting dangerous option live_selftests - tainting kernel [ 931.788135] i915 0000:00:02.0: Resetting chip for hang on rcs0 [ 931.793257] live_all_engines(): GPU was reset 1 times! [ 931.793706] i915/i915_request_live_selftests: live_all_engines failed with error -5 [ 931.903141] i915: probe of 0000:00:02.0 failed with error -5 Full traces available at: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4432/fi-pnv-d510/igt@drv_selftest@live_requests.html https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4433/fi-gdg-551/igt@drv_selftest@live_requests.html https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4433/fi-blb-e6850/igt@drv_selftest@live_requests.html
commit bb9e8755a4259a306cd1691b4e17c4c485d81c9e (HEAD -> drm-intel-next-queued, drm-intel/for-linux-next, drm-intel/drm-intel-next-queued) Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Thu Jul 5 16:47:56 2018 +0100 drm/i915/selftests: Fixup recursive MI_BB_START for gen3 There's no magic bit0 in MI_BB_START for gen3, it's the same dword length parameter as elsewhere and needs to be zero. v2: Same bug in both live_requests and live_hanghcheck. References: https://bugs.freedesktop.org/show_bug.cgi?id=107132 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20180705154756.5533-1-chris@chris-wilson.co.uk Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Seems fixed, thanks!
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