Заметил в messages такие сообщения:
Apr 5 21:30:49 schultz kernel: ata1.00: exception Emask 0x10 SAct 0x1 SErr 0x4010000 action 0xe frozen
Apr 5 21:30:49 schultz kernel: ata1.00: irq_stat 0x00400040, connection status changed
Apr 5 21:30:49 schultz kernel: ata1: SError: { PHYRdyChg DevExch }
Apr 5 21:30:49 schultz kernel: ata1.00: failed command: READ FPDMA QUEUED
Apr 5 21:30:49 schultz kernel: ata1.00: cmd 60/20:00:07:ee:e2/00:00:02:00:00/40 tag 0 ncq 16384 in
Apr 5 21:30:49 schultz kernel: res 40/00:04:07:ee:e2/00:00:02:00:00/40 Emask 0x10 (ATA bus error)
Apr 5 21:30:49 schultz kernel: ata1.00: status: { DRDY }
Apr 5 21:30:49 schultz kernel: ata1: hard resetting link
Apr 5 21:30:55 schultz kernel: ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
Apr 5 21:30:55 schultz kernel: ata1.00: configured for UDMA/133
Apr 5 21:30:55 schultz kernel: ata1: EH complete
Apr 5 21:30:56 schultz kernel: ata1.00: exception Emask 0x10 SAct 0x1 SErr 0x4010000 action 0xe frozen
Apr 5 21:30:56 schultz kernel: ata1.00: irq_stat 0x00400040, connection status changed
Apr 5 21:30:56 schultz kernel: ata1: SError: { PHYRdyChg DevExch }
Apr 5 21:30:56 schultz kernel: ata1.00: failed command: READ FPDMA QUEUED
Apr 5 21:30:56 schultz kernel: ata1.00: cmd 60/08:00:d7:f4:e1/00:00:02:00:00/40 tag 0 ncq 4096 in
Apr 5 21:30:56 schultz kernel: res 40/00:04:d7:f4:e1/00:00:02:00:00/40 Emask 0x10 (ATA bus error)
Apr 5 21:30:56 schultz kernel: ata1.00: status: { DRDY }
Apr 5 21:30:56 schultz kernel: ata1: hard resetting link
Apr 5 21:31:02 schultz kernel: ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
Apr 5 21:31:02 schultz kernel: ata1.00: configured for UDMA/133
Apr 5 21:31:02 schultz kernel: ata1: EH complete
Это жесткий диск или контроллер глючит?