Недавно "переехал" на небольшом домашнем сервере с 16.04 на 18.04. Обратил внимание, что в syslog каждый час идёт вот такая серия сообщений:
Feb 5 09:23:23 fs kernel: [220360.568373] ata5.00: exception Emask 0x10 SAct 0x20000 SErr 0x4090000 action 0xe frozen
Feb 5 09:23:23 fs kernel: [220360.570409] ata5.00: irq_stat 0x00400040, connection status changed
Feb 5 09:23:23 fs kernel: [220360.572458] ata5: SError: { PHYRdyChg 10B8B DevExch }
Feb 5 09:23:23 fs kernel: [220360.573948] ata5.00: failed command: READ FPDMA QUEUED
Feb 5 09:23:23 fs kernel: [220360.575407] ata5.00: cmd 60/08:88:50:c1:bc/04:00:08:00:00/40 tag 17 ncq dma 528384 in
Feb 5 09:23:23 fs kernel: [220360.575407] res 40/00:88:50:c1:bc/00:00:08:00:00/40 Emask 0x10 (ATA bus error)
Feb 5 09:23:23 fs kernel: [220360.578343] ata5.00: status: { DRDY }
Feb 5 09:23:23 fs kernel: [220360.579824] ata5: hard resetting link
Feb 5 09:23:24 fs kernel: [220361.292401] ata5: SATA link down (SStatus 0 SControl 310)
Feb 5 09:23:29 fs kernel: [220366.540333] ata5: hard resetting link
Feb 5 09:23:35 fs kernel: [220371.896388] ata5: link is slow to respond, please be patient (ready=0)
Feb 5 09:23:36 fs kernel: [220373.276400] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
Feb 5 09:23:36 fs kernel: [220373.277695] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20170831/psargs-364)
Feb 5 09:23:36 fs kernel: [220373.280743] No Local Variables are initialized for Method [_GTF]
Feb 5 09:23:36 fs kernel: [220373.280748] No Arguments are initialized for method [_GTF]
Feb 5 09:23:36 fs kernel: [220373.280764] ACPI Error: Method parse/execution failed \_SB.PCI0.SAT0.SPT4._GTF, AE_NOT_FOUND (20170831/psparse-550)
Feb 5 09:23:36 fs kernel: [220373.336772] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20170831/psargs-364)
Feb 5 09:23:36 fs kernel: [220373.338410] No Local Variables are initialized for Method [_GTF]
Feb 5 09:23:36 fs kernel: [220373.338412] No Arguments are initialized for method [_GTF]
Feb 5 09:23:36 fs kernel: [220373.338415] ACPI Error: Method parse/execution failed \_SB.PCI0.SAT0.SPT4._GTF, AE_NOT_FOUND (20170831/psparse-550)
Feb 5 09:23:36 fs kernel: [220373.486034] ata5.00: configured for UDMA/133
Feb 5 09:23:36 fs kernel: [220373.486048] ata5: EH complete
Может мне кто-нибудь объяснить что это такое?