357 		DMERR("unable to allocate memory for _origins");  in init_origin_hash()
367 		DMERR("unable to allocate memory for _dm_origins");  in init_origin_hash()
944 		DMERR("Corruption detected: exception for block %llu is "  in __remove_single_exception_chunk()
972 		DMERR("Attempt to merge block %llu from the "  in __remove_single_exception_chunk()
1058 		DMERR("Snapshot is invalid: can't merge");  in snapshot_merge_next_chunks()
1066 			DMERR("Read error in exception store: "  in snapshot_merge_next_chunks()
1148 			DMERR("Read error: shutting down merge.");  in merge_callback()
1150 			DMERR("Write error: shutting down merge.");  in merge_callback()
1155 		DMERR("Flush after merge failed: shutting down merge");  in merge_callback()
1161 		DMERR("Write error in exception store: shutting down merge");  in merge_callback()
1501 		DMERR("Cancelling snapshot handover.");  in snapshot_dtr()
1643 		DMERR("Invalidating snapshot: Error reading/writing.");  in __invalidate_snapshot()
1645 		DMERR("Invalidating snapshot: Unable to allocate exception.");  in __invalidate_snapshot()
2074 						DMERR("Snapshot overflowed: Unable to allocate exception.");  in snapshot_map()
2230 			DMERR("Unable to resume snapshot source until "  in snapshot_preresume()
2234 			DMERR("Unable to perform snapshot handover until "  in snapshot_preresume()
2798 		DMERR("Failed to initialize exception stores");  in dm_snapshot_init()
2804 		DMERR("init_origin_hash failed.");  in dm_snapshot_init()
2810 		DMERR("Couldn't create exception cache.");  in dm_snapshot_init()
2817 		DMERR("Couldn't create pending cache.");  in dm_snapshot_init()
2824 		DMERR("snapshot target register failed %d", r);  in dm_snapshot_init()
2830 		DMERR("Origin target register failed %d", r);  in dm_snapshot_init()
2836 		DMERR("Merge target register failed %d", r);  in dm_snapshot_init()