[glux] Disco andato?

Carlo Stemberger carlo.stemberger@gmail.com
Mar 12 Ago 2008 18:11:59 CEST


Sono alcuni giorni che sbatto la testa senza capire bene di che problema 
si tratti.

In breve, in fase di boot tutto ok, poi quando parte gdm compare la 
rotellina del mouse ma continua a ruotare all'infinito, senza che arrivi 
il riquadro per il login. Passando ad un terminale testuale 
(Alt-Ctrl-Fx) all'incirca ogni secondo arriva una serie di righe di 
errori legati al disco (credo), e non è possibile fare niente (il 
terminale non risponde), l'unica è spegnere la macchina brutalmente.

Il blocco di righe (saranno circa una decina) contiene quasi sempre 
anche queste:

ata1.00: status: { DRDY ERR }
ata1.00: error: { UNC }

Questo con i kernel più recenti (2.6.25 e 2.6.24), invece con il 2.6.22 
o il 2.6.18 la schermata di gdm viene interrotta dopo alcuni secondi 
(crasha), si riapre, stessa cosa, poi dopo 6 tentativi una schermata blu 
testuale dice che probabilmente c'è qualche problema e che il server X 
verrà riavviato dopo 2 minuti. A questo punto è possibile entrare in un 
terminale testuale, effettuare il login, spegnere gdm (/etc/init.d/gdm 
stop) e lavorare tranquillamente.

Ecco il dmesg, col kernel 2.6.22:
------------------------------------------------------------------------
onfigured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
sd 0:0:0:0: [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
sd 0:0:0:0: [sda] Sense Key : Medium Error [current] [descriptor]
Descriptor sense data with sense descriptors (in hex):
        72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
        00 82 93 6d
sd 0:0:0:0: [sda] Add. Sense: Unrecovered read error - auto reallocate 
failed
end_request: I/O error, dev sda, sector 8557421
ata1: EH complete
sd 0:0:0:0: [sda] 78242976 512-byte hardware sectors (40060 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:1:0: [sdb] 20015856 512-byte hardware sectors (10248 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:0:0: [sda] 78242976 512-byte hardware sectors (40060 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:1:0: [sdb] 20015856 512-byte hardware sectors (10248 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
sd 0:0:0:0: [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
sd 0:0:0:0: [sda] Sense Key : Medium Error [current] [descriptor]
Descriptor sense data with sense descriptors (in hex):
        72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
        00 82 93 6d
sd 0:0:0:0: [sda] Add. Sense: Unrecovered read error - auto reallocate 
failed
end_request: I/O error, dev sda, sector 8557421
ata1: EH complete
sd 0:0:0:0: [sda] 78242976 512-byte hardware sectors (40060 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:1:0: [sdb] 20015856 512-byte hardware sectors (10248 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:0:0: [sda] 78242976 512-byte hardware sectors (40060 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:1:0: [sdb] 20015856 512-byte hardware sectors (10248 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
sd 0:0:0:0: [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
sd 0:0:0:0: [sda] Sense Key : Medium Error [current] [descriptor]
Descriptor sense data with sense descriptors (in hex):
        72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
        00 82 93 6d
sd 0:0:0:0: [sda] Add. Sense: Unrecovered read error - auto reallocate 
failed
end_request: I/O error, dev sda, sector 8557421
ata1: EH complete
sd 0:0:0:0: [sda] 78242976 512-byte hardware sectors (40060 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:1:0: [sdb] 20015856 512-byte hardware sectors (10248 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:0:0: [sda] 78242976 512-byte hardware sectors (40060 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:1:0: [sdb] 20015856 512-byte hardware sectors (10248 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
sd 0:0:0:0: [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
sd 0:0:0:0: [sda] Sense Key : Medium Error [current] [descriptor]
Descriptor sense data with sense descriptors (in hex):
        72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
        00 82 93 6d
sd 0:0:0:0: [sda] Add. Sense: Unrecovered read error - auto reallocate 
failed
end_request: I/O error, dev sda, sector 8557421
ata1: EH complete
sd 0:0:0:0: [sda] 78242976 512-byte hardware sectors (40060 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:1:0: [sdb] 20015856 512-byte hardware sectors (10248 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:0:0: [sda] 78242976 512-byte hardware sectors (40060 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:1:0: [sdb] 20015856 512-byte hardware sectors (10248 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
sd 0:0:0:0: [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
sd 0:0:0:0: [sda] Sense Key : Medium Error [current] [descriptor]
Descriptor sense data with sense descriptors (in hex):
        72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
        00 82 93 6d
sd 0:0:0:0: [sda] Add. Sense: Unrecovered read error - auto reallocate 
failed
end_request: I/O error, dev sda, sector 8557421
ata1: EH complete
sd 0:0:0:0: [sda] 78242976 512-byte hardware sectors (40060 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:1:0: [sdb] 20015856 512-byte hardware sectors (10248 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:0:0: [sda] 78242976 512-byte hardware sectors (40060 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:1:0: [sdb] 20015856 512-byte hardware sectors (10248 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
sd 0:0:0:0: [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
sd 0:0:0:0: [sda] Sense Key : Medium Error [current] [descriptor]
Descriptor sense data with sense descriptors (in hex):
        72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
        00 82 93 6d
sd 0:0:0:0: [sda] Add. Sense: Unrecovered read error - auto reallocate 
failed
end_request: I/O error, dev sda, sector 8557421
ata1: EH complete
sd 0:0:0:0: [sda] 78242976 512-byte hardware sectors (40060 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:1:0: [sdb] 20015856 512-byte hardware sectors (10248 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:0:0: [sda] 78242976 512-byte hardware sectors (40060 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:1:0: [sdb] 20015856 512-byte hardware sectors (10248 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
sd 0:0:0:0: [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
sd 0:0:0:0: [sda] Sense Key : Medium Error [current] [descriptor]
Descriptor sense data with sense descriptors (in hex):
        72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
        00 82 93 6d
sd 0:0:0:0: [sda] Add. Sense: Unrecovered read error - auto reallocate 
failed
end_request: I/O error, dev sda, sector 8557421
ata1: EH complete
sd 0:0:0:0: [sda] 78242976 512-byte hardware sectors (40060 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:1:0: [sdb] 20015856 512-byte hardware sectors (10248 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:0:0: [sda] 78242976 512-byte hardware sectors (40060 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:1:0: [sdb] 20015856 512-byte hardware sectors (10248 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
sd 0:0:0:0: [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
sd 0:0:0:0: [sda] Sense Key : Medium Error [current] [descriptor]
Descriptor sense data with sense descriptors (in hex):
        72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
        00 82 93 6d
sd 0:0:0:0: [sda] Add. Sense: Unrecovered read error - auto reallocate 
failed
end_request: I/O error, dev sda, sector 8557421
ata1: EH complete
sd 0:0:0:0: [sda] 78242976 512-byte hardware sectors (40060 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:1:0: [sdb] 20015856 512-byte hardware sectors (10248 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:0:0: [sda] 78242976 512-byte hardware sectors (40060 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
sd 0:0:0:0: [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
sd 0:0:0:0: [sda] Sense Key : Medium Error [current] [descriptor]
Descriptor sense data with sense descriptors (in hex):
        72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
        00 82 93 6d
sd 0:0:0:0: [sda] Add. Sense: Unrecovered read error - auto reallocate 
failed
end_request: I/O error, dev sda, sector 8557421
ata1: EH complete
sd 0:0:1:0: [sdb] 20015856 512-byte hardware sectors (10248 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:0:0: [sda] 78242976 512-byte hardware sectors (40060 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:1:0: [sdb] 20015856 512-byte hardware sectors (10248 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
ata1: EH complete
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: (BMDMA stat 0x65)
ata1.00: cmd c8/00:08:67:93:82/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
         res 51/40:02:6d:93:82/00:00:00:00:00/e0 Emask 0x9 (media error)
ata1.00: configured for UDMA/100
ata1.01: configured for UDMA/66
sd 0:0:0:0: [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
sd 0:0:0:0: [sda] Sense Key : Medium Error [current] [descriptor]
Descriptor sense data with sense descriptors (in hex):
        72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
        00 82 93 6d
sd 0:0:0:0: [sda] Add. Sense: Unrecovered read error - auto reallocate 
failed
end_request: I/O error, dev sda, sector 8557421
ata1: EH complete
sd 0:0:0:0: [sda] 78242976 512-byte hardware sectors (40060 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:1:0: [sdb] 20015856 512-byte hardware sectors (10248 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:0:0: [sda] 78242976 512-byte hardware sectors (40060 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
sd 0:0:1:0: [sdb] 20015856 512-byte hardware sectors (10248 MB)
sd 0:0:1:0: [sdb] Write Protect is off
sd 0:0:1:0: [sdb] Mode Sense: 00 3a 00 00
sd 0:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
kjournald starting.  Commit interval 5 seconds
EXT3-fs warning: maximal mount count reached, running e2fsck is recommended
EXT3 FS on sdc1, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
------------------------------------------------------------------------
Infine segnalo che entrando in modalità singolo utente (root, testule), 
con qualsiasi versione del kernel, tutto funziona bene e non rivelo 
alcun problema.

Ho cercato in giro, e di segnalazioni simili ne ho viste diverse, ma non 
ho trovato neppure una soluzione e, soprattutto, non sono neanche 
riuscito a capire bene quale sia i problema.

Riuscite a capirci qualcosa? Cosa posso provare a fare?

Grazie!

-- 
 .'  `.   | Registered Linux User #443882
 |a_a  |  | http://counter.li.org/                      .''`.
 \<_)__/  +---                                         : :'  :
 /(   )\                                          ---+ `. `'`
|\`> < /\                  Registered Debian User #9 |   `-
\_|=='|_/       http://debiancounter.altervista.org/ |



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