> Hi all,
>
> When running smartctl to get the attributes readout libata seems to get
> really confused on my system. After a timeout it recovers without apparent
> ill-effect, but the reported values are complete rubbish. Unfortunately I don't
> remember if this is a regression or it was always like this..
>
> I have attached some data below, but if more is needed just shout!
>
> Regards,
>
> Tvrtko
>
> root@sol:~# uname -a
> Linux sol 2.6.24.3 #4 SMP PREEMPT Sat Mar 8 12:57:56 GMT 2008 x86_64 GNU/Linux
>
> root@sol:~# smartctl -A /dev/sda
> smartctl version 5.37 [x86_64-unknown-linux-gnu] Copyright (C) 2002-6 Bruce Allen
> Home page is
http://smartmontools.sourceforge.net/
>
> === START OF READ SMART DATA SECTION ===
> SMART Attributes Data Structure revision number: 17018
> Vendor Specific SMART Attributes with Thresholds:
> ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
> 255 Unknown_Attribute 0x373f 200 016 063 Pre-fail Always In_the_past 69269232549888
> 45 Unknown_Attribute 0x4344 087 082 068 Old_age Offline - 61779704492097
> 51 Unknown_Attribute 0x0039 000 000 057 Pre-fail Offline FAILING_NOW 52987850404480
> 66 Unknown_Attribute 0x3231 048 068 049 Pre-fail Offline FAILING_NOW 55350388793431
> 48 Unknown_Attribute 0x4130 065 083 048 Old_age Offline - 71675860037707
> 32 Unknown_Attribute 0x2030 032 032 048 Old_age Offline FAILING_NOW 35322350018592
> 32 Unknown_Attribute 0x2020 032 032 032 Old_age Offline FAILING_NOW 550026354720
> 16 Unknown_Attribute 0x3f00 000 016 000 Old_age Offline FAILING_NOW 280379760114684
> 255 Unknown_Attribute 0x000f 000 007 015 Pre-fail Always FAILING_NOW 131943408599808
> 120 Unknown_Attribute 0x7800 000 000 000 Old_age Offline FAILING_NOW 0
> 64 Unknown_Attribute 0xfe00 001 000 000 Old_age Offline In_the_past 39030002838272
> 104 Unknown_Attribute 0x4174 188 035 116 Old_age Offline In_the_past 48379254046529
> 225 Load_Cycle_Count 0x484e 000 085 078 Old_age Always FAILING_NOW 86
> 144 Unknown_Attribute 0x0016 000 000 022 Old_age Always FAILING_NOW 0
>
>
>
> [ 7846.128079] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
> [ 7846.128086] ata2.00: cmd b0/da:00:00:4f:c2/00:00:00:00:00/00 tag 0
> [ 7846.128087] res 40/00:01:b4:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout)
> [ 7846.128090] ata2.00: status: { DRDY }
> [ 7846.128096] ata2: hard resetting link
> [ 7846.735912] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> [ 7846.760523] ata2.00: configured for UDMA/133
> [ 7846.760530] ata2: EH complete
> [ 7846.760546] sd 1:0:0:0: [sda] 625142448 512-byte hardware sectors (320073 MB)
> [ 7846.760556] sd 1:0:0:0: [sda] Write Protect is off
> [ 7846.760558] sd 1:0:0:0: [sda] Mode Sense: 00 3a 00 00
> [ 7846.760571] sd 1:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
> [ 7852.748405] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
> [ 7852.748412] ata2.00: cmd b0/d1:01:01:4f:c2/00:00:00:00:00/00 tag 0 pio 512 in
> [ 7852.748413] res 40/00:01:b4:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout)
> [ 7852.748416] ata2.00: status: { DRDY }
> [ 7852.748421] ata2: hard resetting link
> [ 7853.356244] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> [ 7853.378276] ata2.00: configured for UDMA/133
> [ 7853.378284] ata2: EH complete
> [ 7853.378416] sd 1:0:0:0: [sda] 625142448 512-byte hardware sectors (320073 MB)
> [ 7853.378519] sd 1:0:0:0: [sda] Write Protect is off
> [ 7853.378521] sd 1:0:0:0: [sda] Mode Sense: 00 3a 00 00
> [ 7853.378761] sd 1:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
>
> 00:0e.0 SATA controller: nVidia Corporation Unknown device 07f4 (rev a2) (prog-if 01 [AHCI 1.0])
> Subsystem: Giga-byte Technology Unknown device b002
> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
> Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
> Latency: 0 (750ns min, 250ns max)
> Interrupt: pin A routed to IRQ 316
> Region 0: I/O ports at 09f0 [size=8]
> Region 1: I/O ports at 0bf0 [size=4]
> Region 2: I/O ports at 0970 [size=8]
> Region 3: I/O ports at 0b70 [size=4]
> Region 4: I/O ports at dc00 [size=16]
> Region 5: Memory at e5104000 (32-bit, non-prefetchable) [size=8K]
> Capabilities: [44] Power Management version 2
> Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
> Status: D0 PME-Enable- DSel=0 DScale=0 PME-
> Capabilities: [8c] #12 [0010]
> Capabilities: [b0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/3 Enable+
> Address: 00000000fee0100c Data: 4181
>
> root@sol:~# lsscsi
> [1:0:0:0] disk ATA WDC WD3200AAKS-0 12.0 /dev/sda
> [2:0:0:0] cd/dvd TSSTcorp CDDVDW SH-S203N SB01 /dev/scd0
>
>
> root@sol:~# lsmod | grep -e "a[th][ac]"
> ahci 27524 8
> ata_generic 6404 0
> libata 152048 2 ahci,ata_generic
> scsi_mod 152752 5 firewire_sbp2,sg,sr_mod,sd_mod,libata
