On Sat, 30 Jun 2007, Jeff Garzik wrote:
Daniel Schroeder wrote:
hello list,
i do not know, what this could mean, but i have never seen it before.
System is 2.6.22-rc6, sil3132, samsung hd501lj (new hd under 10 power on
hours)
time line:
1: power on (single esata enclosure)
2: system recognizes and configures the disk
3: mount disk
4: use disk
5: device error via SDB FIS
6: mount is still there, everything looks good except of this entry in logs
<quote>
ata3: exception Emask 0x10 SAct 0x0 SErr 0x80000 action 0x2 frozen
ata3: (irq_stat 0x01140010, PHY RDY changed)
ata3: soft resetting port
ata3: SATA link down (SStatus 0 SControl 300)
ata3: EH complete
ata3: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0x2 frozen
ata3: (irq_stat 0x00b00090, PHY RDY changed)
ata3: soft resetting port
ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata3.00: ata_hpa_resize 1: sectors = 976773168, hpa_sectors = 976773168
ata3.00: ATA-8: SAMSUNG HD501LJ, CR100-10, max UDMA7
ata3.00: 976773168 sectors, multi 0: LBA48 NCQ (depth 31/32)
ata3.00: ata_hpa_resize 1: sectors = 976773168, hpa_sectors = 976773168
ata3.00: configured for UDMA/100
ata3: EH complete
scsi 2:0:0:0: Direct-Access ATA SAMSUNG HD501LJ CR10 PQ: 0 ANSI:
5
sd 2:0:0:0: [sdc] 976773168 512-byte hardware sectors (500108 MB)
sd 2:0:0:0: [sdc] Write Protect is off
sd 2:0:0:0: [sdc] Mode Sense: 00 3a 00 00
sd 2:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
sd 2:0:0:0: [sdc] 976773168 512-byte hardware sectors (500108 MB)
sd 2:0:0:0: [sdc] Write Protect is off
sd 2:0:0:0: [sdc] Mode Sense: 00 3a 00 00
sd 2:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
sdc: sdc1
sd 2:0:0:0: [sdc] Attached SCSI disk
sd 2:0:0:0: Attached scsi generic sg2 type 0
kjournald starting. Commit interval 5 seconds
EXT3 FS on dm-4, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
ata3.00: exception Emask 0x0 SAct 0x2ef SErr 0x0 action 0x0
ata3.00: (irq_stat 0x00020002, device error via SDB FIS)
ata3.00: cmd 61/28:30:17:83:68/00:00:1f:00:00/40 tag 6 cdb 0x0 data 20480
out
res 51/04:30:17:83:68/50:04:1f:00:00/40 Emask 0x1 (device error)
Command 0x61 is FPDMA WRITE (NCQ WRITE).
Error 0x04 is 'command aborted'.
Not much the driver can do but follow what the device is telling us...
If you disable NCQ, presumably this should go away.
Jeff
To do that:
echo 1 > /sys/block/sda/device/queue_depth
Or jumper your HDD to turn off NCQ/3.0Gbps (limit to 1.5) s and see if
that fixes it.
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