<6>[ 98.039383] Console: switching to colour dummy device 80x25 <7>[ 98.039744] [IGT] gem_ctx_isolation: executing <7>[ 98.355139] i915 0000:00:02.0: [drm:i915_gem_open [i915]] <7>[ 98.357562] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x000001dc [0x000001dc] <7>[ 98.358297] i915 0000:00:02.0: [drm:i915_gem_open [i915]] <7>[ 98.359112] i915 0000:00:02.0: [drm:i915_gem_open [i915]] <7>[ 98.391576] [IGT] gem_ctx_isolation: starting subtest preservation-S3 <7>[ 98.392342] [IGT] gem_ctx_isolation: starting dynamic subtest rcs0 <7>[ 98.392671] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x0000005c [0x0000005c]