Я вот когда выключаю жесткий диск (сейчас провел опыт), то система не реагирует никак. А на fdisk -l тот очень очень долго думает и выдает список без того жесткого диска.
А dmesg говорит тогда:
[17978.000044] ata4.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[17978.000051] ata4.00: cmd c8/00:20:00:00:00/00:00:00:00:00/e0 tag 0 dma 16384 in
[17978.000052] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[17978.000055] ata4.00: status: { DRDY }
[17983.052511] ata4: link is slow to respond, please be patient (ready=0)
[17988.044014] ata4: device not ready (errno=-16), forcing hardreset
[17988.044021] ata4: soft resetting link
[17993.344018] ata4: link is slow to respond, please be patient (ready=0)
[17998.048517] ata4: SRST failed (errno=-16)
[17998.048523] ata4: soft resetting link
[18003.344013] ata4: link is slow to respond, please be patient (ready=0)
[18008.052510] ata4: SRST failed (errno=-16)
[18008.052517] ata4: soft resetting link
[18013.348011] ata4: link is slow to respond, please be patient (ready=0)
[18043.096510] ata4: SRST failed (errno=-16)
[18043.096517] ata4: soft resetting link
[18043.115246] hda-intel: IRQ timing workaround is activated for card #0. Suggest a bigger bdl_pos_adj.
[18048.116011] ata4: SRST failed (errno=-16)
[18048.116015] ata4: reset failed, giving up
[18048.116018] ata4.00: disabled
[18048.116022] ata4.00: device reported invalid CHS sector 0
[18048.116034] ata4: EH complete
[18048.116051] sd 3:0:0:0: [sdb] Unhandled error code
[18048.116054] sd 3:0:0:0: [sdb] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[18048.116057] end_request: I/O error, dev sdb, sector 0
[18048.116066] Buffer I/O error on device sdb, logical block 0
[18048.116077] Buffer I/O error on device sdb, logical block 1
[18048.116080] Buffer I/O error on device sdb, logical block 2
[18048.116082] Buffer I/O error on device sdb, logical block 3
[18048.116126] sd 3:0:0:0: [sdb] Unhandled error code
[18048.116130] sd 3:0:0:0: [sdb] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[18048.116133] end_request: I/O error, dev sdb, sector 0
[18048.116136] Buffer I/O error on device sdb, logical block 0
[18048.116176] sd 3:0:0:0: [sdb] Unhandled error code
[18048.116178] sd 3:0:0:0: [sdb] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[18048.116180] end_request: I/O error, dev sdb, sector 2930277160
[18048.116182] Buffer I/O error on device sdb, logical block 366284645
[18048.116195] sd 3:0:0:0: [sdb] Unhandled error code
[18048.116196] sd 3:0:0:0: [sdb] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[18048.116199] end_request: I/O error, dev sdb, sector 2930277160
[18048.116201] Buffer I/O error on device sdb, logical block 366284645
[18048.116279] sd 3:0:0:0: [sdb] Unhandled error code
[18048.116281] sd 3:0:0:0: [sdb] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[18048.116283] end_request: I/O error, dev sdb, sector 0
[18048.116285] Buffer I/O error on device sdb, logical block 0
[18048.116288] Buffer I/O error on device sdb, logical block 1
[18048.116291] Buffer I/O error on device sdb, logical block 2
[18048.116302] sd 3:0:0:0: [sdb] Unhandled error code
[18048.116304] sd 3:0:0:0: [sdb] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[18048.116307] end_request: I/O error, dev sdb, sector 0
Получает значить все дело в материнской плате, да?