326 		DMERR("unable to allocate memory for _origins");  in init_origin_hash()
335 		DMERR("unable to allocate memory for _dm_origins");  in init_origin_hash()
856 		DMERR("Corruption detected: exception for block %llu is "  in __remove_single_exception_chunk()
884 		DMERR("Attempt to merge block %llu from the "  in __remove_single_exception_chunk()
970 		DMERR("Snapshot is invalid: can't merge");  in snapshot_merge_next_chunks()
978 			DMERR("Read error in exception store: "  in snapshot_merge_next_chunks()
1048 			DMERR("Read error: shutting down merge.");  in merge_callback()
1050 			DMERR("Write error: shutting down merge.");  in merge_callback()
1056 		DMERR("Write error in exception store: shutting down merge");  in merge_callback()
1326 		DMERR("Cancelling snapshot handover.");  in snapshot_dtr()
1419 		DMERR("Invalidating snapshot: Error reading/writing.");  in __invalidate_snapshot()
1421 		DMERR("Invalidating snapshot: Unable to allocate exception.");  in __invalidate_snapshot()
1863 			DMERR("Unable to resume snapshot source until "  in snapshot_preresume()
1867 			DMERR("Unable to perform snapshot handover until "  in snapshot_preresume()
2395 		DMERR("Failed to initialize exception stores");  in dm_snapshot_init()
2401 		DMERR("snapshot target register failed %d", r);  in dm_snapshot_init()
2407 		DMERR("Origin target register failed %d", r);  in dm_snapshot_init()
2413 		DMERR("Merge target register failed %d", r);  in dm_snapshot_init()
2419 		DMERR("init_origin_hash failed.");  in dm_snapshot_init()
2425 		DMERR("Couldn't create exception cache.");  in dm_snapshot_init()
2432 		DMERR("Couldn't create pending cache.");  in dm_snapshot_init()