Jul 14 20:11:16 darwin kernel: [ 8620.906886] ata5: exception Emask 0x10 SAct 0x0 SErr 0x90202 action 0xe frozen
Jul 14 20:11:16 darwin kernel: [ 8620.911473] ata5: irq_stat 0x00400000, PHY RDY changed
Jul 14 20:11:16 darwin kernel: [ 8620.914245] ata5: SError: { RecovComm Persist PHYRdyChg 10B8B }
Jul 14 20:11:16 darwin kernel: [ 8620.917165] ata5: hard resetting link
Jul 14 20:11:17 darwin kernel: [ 8621.661987] ata5: SATA link down (SStatus 0 SControl 300)
Jul 14 20:11:22 darwin kernel: [ 8626.670042] ata5: hard resetting link
Jul 14 20:11:22 darwin kernel: [ 8627.020088] ata5: SATA link down (SStatus 0 SControl 300)
Jul 14 20:11:22 darwin kernel: [ 8627.020106] ata5: limiting SATA link speed to 1.5 Gbps
Jul 14 20:11:27 darwin kernel: [ 8632.030066] ata5: hard resetting link
Jul 14 20:11:28 darwin kernel: [ 8632.370093] ata5: SATA link down (SStatus 0 SControl 310)
Jul 14 20:11:28 darwin kernel: [ 8632.370112] ata5.00: disabled
Jul 14 20:11:28 darwin kernel: [ 8632.370138] ata5: EH complete
Jul 14 20:11:28 darwin kernel: [ 8632.370170] ata5.00: detaching (SCSI 4:0:0:0)
Jul 14 20:11:28 darwin kernel: [ 8632.492889] sd 4:0:0:0: [sdf] Synchronizing SCSI cache
Jul 14 20:11:28 darwin kernel: [ 8632.492974] sd 4:0:0:0: [sdf] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
Jul 14 20:11:28 darwin kernel: [ 8632.492984] sd 4:0:0:0: [sdf] Stopping disk
Jul 14 20:11:28 darwin kernel: [ 8632.493002] sd 4:0:0:0: [sdf] START_STOP FAILED
Jul 14 20:11:28 darwin kernel: [ 8632.493006] sd 4:0:0:0: [sdf] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK