355 		DMERR("unable to allocate memory for _origins");  in init_origin_hash()
365 		DMERR("unable to allocate memory for _dm_origins");  in init_origin_hash()
946 		DMERR("Corruption detected: exception for block %llu is on disk but not in memory",  in __remove_single_exception_chunk()
973 		DMERR("Attempt to merge block %llu from the middle of a chunk range [%llu - %llu]",  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: shutting down merge");  in snapshot_merge_next_chunks()
1135 			DMERR("Read error: shutting down merge.");  in merge_callback()
1137 			DMERR("Write error: shutting down merge.");  in merge_callback()
1142 		DMERR("Flush after merge failed: shutting down merge");  in merge_callback()
1148 		DMERR("Write error in exception store: shutting down merge");  in merge_callback()
1483 		DMERR("Cancelling snapshot handover.");  in snapshot_dtr()
1624 		DMERR("Invalidating snapshot: Error reading/writing.");  in __invalidate_snapshot()
1626 		DMERR("Invalidating snapshot: Unable to allocate exception.");  in __invalidate_snapshot()
2055 						DMERR("Snapshot overflowed: Unable to allocate exception.");  in snapshot_map()
2211 			DMERR("Unable to resume snapshot source until handover completes.");  in snapshot_preresume()
2214 			DMERR("Unable to perform snapshot handover until source is suspended.");  in snapshot_preresume()
2791 		DMERR("Failed to initialize exception stores");  in dm_snapshot_init()
2797 		DMERR("init_origin_hash failed.");  in dm_snapshot_init()
2803 		DMERR("Couldn't create exception cache.");  in dm_snapshot_init()
2810 		DMERR("Couldn't create pending cache.");  in dm_snapshot_init()