333 		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()
1345 		DMERR("Cancelling snapshot handover.");  in snapshot_dtr()
1438 		DMERR("Invalidating snapshot: Error reading/writing.");  in __invalidate_snapshot()
1440 		DMERR("Invalidating snapshot: Unable to allocate exception.");  in __invalidate_snapshot()
1744 					DMERR("Snapshot overflowed: Unable to allocate exception.");  in snapshot_map()
1885 			DMERR("Unable to resume snapshot source until "  in snapshot_preresume()
1889 			DMERR("Unable to perform snapshot handover until "  in snapshot_preresume()
2404 		DMERR("Failed to initialize exception stores");  in dm_snapshot_init()
2410 		DMERR("snapshot target register failed %d", r);  in dm_snapshot_init()
2416 		DMERR("Origin target register failed %d", r);  in dm_snapshot_init()
2422 		DMERR("Merge target register failed %d", r);  in dm_snapshot_init()
2428 		DMERR("init_origin_hash failed.");  in dm_snapshot_init()
2434 		DMERR("Couldn't create exception cache.");  in dm_snapshot_init()
2441 		DMERR("Couldn't create pending cache.");  in dm_snapshot_init()