<6>[ 93.105412] Console: switching to colour dummy device 80x25 <7>[ 93.105607] [IGT] gem_ctx_isolation: executing <7>[ 93.131938] i915 0000:00:02.0: [drm:i915_gem_open [i915]] <7>[ 93.133626] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x000001dc [0x000001dc] <7>[ 93.134874] i915 0000:00:02.0: [drm:i915_gem_open [i915]] <7>[ 93.135833] i915 0000:00:02.0: [drm:i915_gem_open [i915]] <7>[ 93.163968] [IGT] gem_ctx_isolation: starting subtest preservation-S3 <7>[ 93.165036] [IGT] gem_ctx_isolation: starting dynamic subtest rcs0 <7>[ 93.165502] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x0000005c [0x0000005c] <6>[ 93.515956] PM: suspend entry (deep)