<6>[ 86.144996] Console: switching to colour dummy device 80x25 <7>[ 86.146036] [IGT] gem_ctx_isolation: executing <7>[ 86.165745] i915 0000:00:02.0: [drm:i915_gem_open [i915]] <7>[ 86.168186] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x000001dc [0x000001dc] <7>[ 86.169229] i915 0000:00:02.0: [drm:i915_gem_open [i915]] <7>[ 86.170291] i915 0000:00:02.0: [drm:i915_gem_open [i915]] <7>[ 86.199153] [IGT] gem_ctx_isolation: starting subtest preservation-S3 <7>[ 86.199602] [IGT] gem_ctx_isolation: starting dynamic subtest rcs0 <7>[ 86.199876] i915 0000:00:02.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x0000005c [0x0000005c] <6>[ 86.544017] PM: suspend entry (deep)