Сидиром

Нечто периодически обращается к сидирому, выхлоп журнала:

Sep 20 19:01:15 dhoine-desktop kernel: [27120.757595] ata5.00: configured for PIO0
Sep 20 19:01:15 dhoine-desktop kernel: [27120.871561] ata5: EH complete
Sep 20 19:10:04 dhoine-desktop kernel: [27650.040459] sr 4:0:0:0: CDB: Test Unit Ready: 00 00 00 00 00 00
Sep 20 19:10:04 dhoine-desktop kernel: [27650.040502] ata5: hard resetting link
Sep 20 19:10:05 dhoine-desktop kernel: [27650.570431] ata5: applying SB600 PMP SRST workaround and retrying
Sep 20 19:10:05 dhoine-desktop kernel: [27650.750436] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
Sep 20 19:10:05 dhoine-desktop kernel: [27650.753430] ata5.00: SB600 AHCI: limiting to 255 sectors per cmd
Sep 20 19:10:05 dhoine-desktop kernel: [27650.758085] ata5.00: SB600 AHCI: limiting to 255 sectors per cmd
Sep 20 19:10:05 dhoine-desktop kernel: [27650.758095] ata5.00: configured for PIO0
Sep 20 19:10:05 dhoine-desktop kernel: [27650.872235] ata5: EH complete
Sep 20 19:10:55 dhoine-desktop kernel: [27701.010498] sr 4:0:0:0: CDB: Test Unit Ready: 00 00 00 00 00 00
Sep 20 19:10:55 dhoine-desktop kernel: [27701.010541] ata5: hard resetting link
Sep 20 19:10:56 dhoine-desktop kernel: [27701.540445] ata5: applying SB600 PMP SRST workaround and retrying
Sep 20 19:10:56 dhoine-desktop kernel: [27701.720431] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
Sep 20 19:10:56 dhoine-desktop kernel: [27701.723424] ata5.00: SB600 AHCI: limiting to 255 sectors per cmd
Sep 20 19:10:56 dhoine-desktop kernel: [27701.728053] ata5.00: SB600 AHCI: limiting to 255 sectors per cmd
Sep 20 19:10:56 dhoine-desktop kernel: [27701.728062] ata5.00: configured for PIO0
Sep 20 19:10:56 dhoine-desktop kernel: [27701.842319] ata5: EH complete

Чито с ним?