<6>[ 94.360932] Console: switching to colour dummy device 80x25 <7>[ 94.361523] [IGT] gem_ctx_isolation: executing <7>[ 94.391907] i915 0000:00:02.0: [drm:i915_gem_open [i915]] <7>[ 94.394468] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x000001dc [0x000001dc] <7>[ 94.396641] i915 0000:00:02.0: [drm:i915_gem_open [i915]] <7>[ 94.398520] i915 0000:00:02.0: [drm:i915_gem_open [i915]] <7>[ 94.430574] [IGT] gem_ctx_isolation: starting subtest preservation-S3 <7>[ 94.431746] [IGT] gem_ctx_isolation: starting dynamic subtest rcs0 <7>[ 94.432199] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x0000005c [0x0000005c] <6>[ 94.799674] PM: