При каждой загрузке вываливается ошибка (взято с /var/log/syslog):
Jan 9 09:11:19 morgan-desktop kernel: [ 7.649677] ata4.00: exception Emask 0x100 SAct 0x0 SErr 0x0 action 0x6
Jan 9 09:11:19 morgan-desktop kernel: [ 7.649743] ata4.00: failed command: SET FEATURES
Jan 9 09:11:19 morgan-desktop kernel: [ 7.649798] ata4.00: cmd ef/05:fe:00:00:00/00:00:00:00:00/40 tag 0
Jan 9 09:11:19 morgan-desktop kernel: [ 7.649801] res 51/04:fe:00:00:00/00:00:00:00:00/40 Emask 0x1 (device error)
Jan 9 09:11:19 morgan-desktop kernel: [ 7.649904] ata4.00: status: { DRDY ERR }
Jan 9 09:11:19 morgan-desktop kernel: [ 7.649949] ata4.00: error: { ABRT }
Jan 9 09:11:19 morgan-desktop kernel: [ 7.650005] ata4: hard resetting link
Jan 9 09:11:19 morgan-desktop kernel: [ 7.968078] ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 3F0)
Jan 9 09:11:19 morgan-desktop kernel: [ 7.984713] ata4.00: configured for UDMA/133
Jan 9 09:11:19 morgan-desktop kernel: [ 7.984753] ata4: EH complete
Еще выписка из syslog
Jan 9 09:11:19 morgan-desktop kernel: [ 2.831032] ata3: SATA max UDMA/133 cmd 0xe900 ctl 0xea00 bmdma 0xed00 irq 17
Jan 9 09:11:19 morgan-desktop kernel: [ 2.831044] ata4: SATA max UDMA/133 cmd 0xeb00 ctl 0xec00 bmdma 0xed08 irq 17
...
Jan 9 09:11:19 morgan-desktop kernel: [ 3.476728] ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 3F0)
...
Jan 9 09:11:19 morgan-desktop kernel: [ 3.506972] ata4.00: ATA-8: WDC WD5000AAKS-00E4A0, 05.01D05, max UDMA/133
Jan 9 09:11:19 morgan-desktop kernel: [ 3.506979] ata4.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 0/32)
Jan 9 09:11:19 morgan-desktop kernel: [ 3.513709] ata4.00: configured for UDMA/133