SATA HDD 400Gb

SlackWare-12, ядро 2.6.21.5-smp
сабжевый винт стал переодически выпадать в r/o. После перезагрузки системы всё востанавливается часа на 4-5, потом опять r/o :(
Пока глобальных мер не предпринимаю, ибо логи смущают:

messages

kernel: ata4: soft resetting port
kernel: ata4: soft resetting port
kernel: ata4: soft resetting port

syslog

kernel: ata4.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
kernel: ata4.00: cmd ca/00:10:f7:c3:00/00:00:00:00:00/e0 tag 0 cdb 0x0 data 8192 out
kernel: res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
kernel: ata4: port is slow to respond, please be patient (Status 0xd0)
kernel: ata4: port failed to respond (30 secs, Status 0xd0)
kernel: ATA: abnormal status 0xD0 on port 0x0001fe67
last message repeated 4 times
kernel: ata4.00: qc timeout (cmd 0xec)
kernel: ata4.00: failed to IDENTIFY (I/O error, err_mask=0x4)
kernel: ata4.00: revalidation failed (errno=-5)
kernel: ata4: failed to recover some devices, retrying in 5 secs
kernel: ata4: port is slow to respond, please be patient (Status 0xd0)
kernel: ata4: port failed to respond (30 secs, Status 0xd0)
kernel: ATA: abnormal status 0xD0 on port 0x0001fe67
last message repeated 4 times
kernel: ata4.00: qc timeout (cmd 0xec)
kernel: ata4.00: failed to IDENTIFY (I/O error, err_mask=0x4)
kernel: ata4.00: revalidation failed (errno=-5)
kernel: ata4.00: limiting speed to UDMA/133:PIO3
kernel: ata4: failed to recover some devices, retrying in 5 secs
kernel: ata4: port is slow to respond, please be patient (Status 0xd0)
kernel: ata4: port failed to respond (30 secs, Status 0xd0)
kernel: ATA: abnormal status 0xD0 on port 0x0001fe67
last message repeated 4 times
kernel: ata4.00: qc timeout (cmd 0xec)
kernel: ata4.00: failed to IDENTIFY (I/O error, err_mask=0x4)
kernel: ata4.00: revalidation failed (errno=-5)
kernel: ata4.00: disabled
kernel: end_request: I/O error, dev sdb, sector 50167
kernel: Buffer I/O error on device sdb1, logical block 6263
kernel: lost page write due to I/O error on sdb1
kernel: Buffer I/O error on device sdb1, logical block 6264
kernel: lost page write due to I/O error on sdb1
kernel: REISERFS: abort (device sdb1): Journal write error in flush_commit_list
kernel: REISERFS: Aborting journal for filesystem on sdb1
kernel: end_request: I/O error, dev sdb, sector 50191
kernel: Buffer I/O error on device sdb1, logical block 6266
kernel: lost page write due to I/O error on sdb1

в dmesg всё пучком

ReiserFS: sdb1: found reiserfs format "3.6" with standard journal
ReiserFS: sdb1: using ordered data mode
ReiserFS: sdb1: journal params: device sdb1, size 8192, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30
ReiserFS: sdb1: checking transaction log (sdb1)
ReiserFS: sdb1: Using r5 hash to sort names

у меня винт умерает или через чур быстрый?