<6>[   66.473016] Console: switching to colour dummy device 80x25
<7>[   66.473081] [IGT] gem_exec_suspend: executing
<7>[   66.487660] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7>[   66.488344] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x000001dc [0x000001dc]
<7>[   66.488614] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7>[   66.489068] i915 0000:00:02.0: [drm:i915_gem_open [i915]] 
<7>[   66.497746] [IGT] gem_exec_suspend: starting subtest basic-S3
<7>[   66.497939] [IGT] gem_exec_suspend: starting dynamic subtest smem
<7>[   66.498138] [drm:eb_validate_vma [i915]] EINVAL at eb_validate_vma:509
<7>[   66.499681] [drm:eb_validate_vma [i915]] EINVAL at eb_validate_vma:509
<7>[   66.499953] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x0000005c [0x0000005c]
<7>[   66.968656] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x0000005c [0x0000005c]
<7>[   66.983190] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x0000005c [0x0000005c]
<6>[   67.725858] PM: suspend                                            