[hdd]Странные ошибки

[  251.346397] ata7.00: status: { DRDY }
[  251.346401] ata7: hard resetting link
[  255.590152] ata7: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[  255.667307] ata7.00: configured for UDMA/133
[  255.667320] ata7: EH complete
[  255.686743] ata7.00: exception Emask 0x10 SAct 0x1 SErr 0x990000 action 0xe frozen
[  255.701781] ata7.00: irq_stat 0x00400000, PHY RDY changed
[  255.716768] ata7: SError: { PHYRdyChg 10B8B Dispar LinkSeq }
[  255.731957] ata7.00: failed command: READ FPDMA QUEUED
[  255.747245] ata7.00: cmd 60/68:00:e8:a6:36/00:00:04:00:00/40 tag 0 ncq 53248 in
[  255.747246]          res 40/00:00:e8:a6:36/00:00:04:00:00/40 Emask 0x10 (ATA bus error)
[  255.777719] ata7.00: status: { DRDY }
[  255.792698] ata7: hard resetting link
[  259.983562] ata7: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[  260.060448] ata7.00: configured for UDMA/133
[  260.060463] ata7: EH complete
[  260.079886] ata7.00: limiting speed to UDMA/100:PIO4
[  260.079890] ata7.00: exception Emask 0x10 SAct 0x1 SErr 0x990000 action 0xe frozen
[  260.095056] ata7.00: irq_stat 0x00400000, PHY RDY changed
[  260.110178] ata7: SError: { PHYRdyChg 10B8B Dispar LinkSeq }
[  260.125185] ata7.00: failed command: READ FPDMA QUEUED
[  260.140080] ata7.00: cmd 60/68:00:e8:a6:36/00:00:04:00:00/40 tag 0 ncq 53248 in
[  260.140081]          res 40/00:00:e8:a6:36/00:00:04:00:00/40 Emask 0x10 (ATA bus error)
[  260.169963] ata7.00: status: { DRDY }
[  260.184648] ata7: hard resetting link
[  264.376796] ata7: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[  264.470161] ata7.00: configured for UDMA/100
[  264.470172] sd 6:0:0:0: [sda]  Result: hostbyte=0x00 driverbyte=0x08
[  264.470177] sd 6:0:0:0: [sda]  Sense Key : 0xb [current] [descriptor]
[  264.470182] Descriptor sense data with sense descriptors (in hex):
[  264.470184]         72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00 
[  264.470196]         04 36 a6 e8 
[  264.470201] sd 6:0:0:0: [sda]  ASC=0x0 ASCQ=0x0
[  264.470205] sd 6:0:0:0: [sda] CDB: cdb[0]=0x28: 28 00 04 36 a6 e8 00 00 68 00
[  264.470216] end_request: I/O error, dev sda, sector 70690536
[  264.484626] ata7: EH complete

ata7: SError: { PHYRdyChg 10B8B Dispar LinkSeq }