274  * Handle data overrun between cu and drive. The channel speed might
298 		 * cu detected incorrect block-id sequence on tape.  in tape_34xx_erp_sequence()
420 				// cu-recovery, so this should *never* happen.  in tape_34xx_unit_check()
424 			/* data check is permanent, CU recovery has failed */  in tape_34xx_unit_check()
434 				// cu-recovery, so this should *never* happen.  in tape_34xx_unit_check()
438 			// data check is permanent, cu-recovery has failed  in tape_34xx_unit_check()
483 		 * Data streaming not operational. CU will switch to  in tape_34xx_unit_check()
515 		 * subsystem func is issued and the CU is not on-line.  in tape_34xx_unit_check()
538 		 * Permanent equipment check. CU has tried recovery, but  in tape_34xx_unit_check()
589 		 * - cu cannot recover from a drive detected error  in tape_34xx_unit_check()
681 		/* Volume fenced. CU reports volume integrity is lost. */  in tape_34xx_unit_check()
701 		 * CU and drive incompatible. The drive requests micro-program  in tape_34xx_unit_check()
702 		 * patches, which are not available on the CU.  in tape_34xx_unit_check()
709 		 * Recovered Check-One failure. Cu develops a hardware error,  in tape_34xx_unit_check()
738 		 * Read buffered log (Overflow). CU is running in extended  in tape_34xx_unit_check()
747 		 * CU is in extended buffered log mode. This should never  in tape_34xx_unit_check()