332 		DMERR("unable to allocate memory for _origins");  in init_origin_hash()
342 		DMERR("unable to allocate memory for _dm_origins");  in init_origin_hash()
863 		DMERR("Corruption detected: exception for block %llu is "  in __remove_single_exception_chunk()
891 		DMERR("Attempt to merge block %llu from the "  in __remove_single_exception_chunk()
977 		DMERR("Snapshot is invalid: can't merge");  in snapshot_merge_next_chunks()
985 			DMERR("Read error in exception store: "  in snapshot_merge_next_chunks()
1055 			DMERR("Read error: shutting down merge.");  in merge_callback()
1057 			DMERR("Write error: shutting down merge.");  in merge_callback()
1063 		DMERR("Write error in exception store: shutting down merge");  in merge_callback()
1344 		DMERR("Cancelling snapshot handover.");  in snapshot_dtr()
1439 		DMERR("Invalidating snapshot: Error reading/writing.");  in __invalidate_snapshot()
1441 		DMERR("Invalidating snapshot: Unable to allocate exception.");  in __invalidate_snapshot()
1754 					DMERR("Snapshot overflowed: Unable to allocate exception.");  in snapshot_map()
1896 			DMERR("Unable to resume snapshot source until "  in snapshot_preresume()
1900 			DMERR("Unable to perform snapshot handover until "  in snapshot_preresume()
2423 		DMERR("Failed to initialize exception stores");  in dm_snapshot_init()
2429 		DMERR("init_origin_hash failed.");  in dm_snapshot_init()
2435 		DMERR("Couldn't create exception cache.");  in dm_snapshot_init()
2442 		DMERR("Couldn't create pending cache.");  in dm_snapshot_init()
2449 		DMERR("snapshot target register failed %d", r);  in dm_snapshot_init()
2455 		DMERR("Origin target register failed %d", r);  in dm_snapshot_init()
2461 		DMERR("Merge target register failed %d", r);  in dm_snapshot_init()