ata4.00: failed command: READ DMA EXT
ata4.00: cmd 25/00:00:3f:d3:0e/00:02:13:00:00/e0 tag 0 dma 262144 in
         res 40/00:64:00:00:00/00:64:00:00:00/64 Emask 0x4 (timeout)
ata4.00: status: { DRDY }
ata4: hard resetting link
ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
ata4.00: configured for UDMA/66
ata4: EH complete
ata4.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6
ata4.00: BMDMA2 stat 0x6d0009
ata4.00: failed command: READ DMA EXT
ata4.00: cmd 25/00:00:3f:67:31/00:04:13:00:00/e0 tag 0 dma 524288 in
         res 00/00:64:00:00:00/00:64:00:00:00/64 Emask 0x2 (HSM violation)
ata4: hard resetting link
ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
ata4.00: configured for UDMA/66
ata4: EH complete
ata4: lost interrupt (Status 0x60)
ata4.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
ata4.00: failed command: READ DMA EXT
ata4.00: cmd 25/00:00:3f:ce:a6/00:04:14:00:00/e0 tag 0 dma 524288 in
         res 40/00:64:00:00:00/00:64:00:00:00/64 Emask 0x4 (timeout)
ata4.00: status: { DRDY }
ata4: hard resetting link
ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
ata4.00: configured for UDMA/66
ata4: EH complete
ata4.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata4.00: BMDMA2 stat 0x6d0009
ata4.00: failed command: READ DMA EXT
ata4.00: cmd 25/00:00:3f:75:9e/00:01:17:00:00/e0 tag 0 dma 131072 in
         res 51/04:cf:70:75:9e/00:00:17:00:00/e0 Emask 0x1 (device error)
ata4.00: status: { DRDY ERR }
ata4.00: error: { ABRT }
ata4.00: configured for UDMA/66
ata4: EH complete
ata4.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata4.00: BMDMA2 stat 0x6d0009
ata4.00: failed command: READ DMA EXT
ata4.00: cmd 25/00:00:3f:0a:b4/00:04:19:00:00/e0 tag 0 dma 524288 in
         res 51/04:cf:70:0b:b4/00:02:19:00:00/e0 Emask 0x1 (device error)
ata4.00: status: { DRDY ERR }
ata4.00: error: { ABRT }
ata4.00: configured for UDMA/66
ata4: EH complete
ata4: lost interrupt (Status 0x60)
ata4.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
ata4.00: failed command: READ DMA EXT
ata4.00: cmd 25/00:00:3f:ad:cf/00:02:1a:00:00/e0 tag 0 dma 262144 in
         res 40/00:00:01:4f:c2/00:02:19:00:00/00 Emask 0x4 (timeout)
ata4.00: status: { DRDY }
ata4: hard resetting link
ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
ata4.00: configured for UDMA/66
ata4: EH complete