Tomasz Chmielewski wrote:
This are the log entries I saw as I started e2fsck on a 5-disk Linux
RAID-5 array; all disks connected to a sata_mv controller:
ata6.00: exception Emask 0x1 SAct 0x0 SErr 0x100000 action 0x6 frozen
ata6.00: edma_err 0x00000084, EDMA self-disable
..
Translation:
"The port had a link CRC error, which caused it to drop out of host-queuing mode."
ata6.00: cmd 25/00:00:bf:09:24/00:02:1c:00:00/e0 tag 0 cdb 0x0 data 262144 in
res 51/84:00:bf:09:24/84:02:1c:00:00/e0 Emask 0x10 (ATA bus error)
ata6: hard resetting port
ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata6.00: configured for UDMA/133
ata6: EH complete
sd 5:0:0:0: [sde] 781422768 512-byte hardware sectors (400088 MB)
sd 5:0:0:0: [sde] Write Protect is off
sd 5:0:0:0: [sde] Mode Sense: 00 3a 00 00
sd 5:0:0:0: [sde] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
ata6: exception Emask 0x10 SAct 0x0 SErr 0x180000 action 0x6 frozen
ata6: edma_err 0x00000020
ata6: hard resetting port
ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata6.00: configured for UDMA/133
ata6: EH pending after completion, repeating EH (cnt=4)
ata6: exception Emask 0x10 SAct 0x0 SErr 0x4010000 action 0x7
ata6: edma_err 0x00000010, dev connect
ata6: hard resetting port
ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata6.00: configured for UDMA/133
ata6: EH complete
sd 5:0:0:0: [sde] 781422768 512-byte hardware sectors (400088 MB)
sd 5:0:0:0: [sde] Write Protect is off
sd 5:0:0:0: [sde] Mode Sense: 00 3a 00 00
sd 5:0:0:0: [sde] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
sd 5:0:0:0: [sde] 781422768 512-byte hardware sectors (400088 MB)
sd 5:0:0:0: [sde] Write Protect is off
sd 5:0:0:0: [sde] Mode Sense: 00 3a 00 00
sd 5:0:0:0: [sde] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
..
Translation:
"libata reset the link, and everything appeared okay,
so it reissued the failed command and continued.
No data loss."
That's the Marvell controller:
01:00.0 SCSI storage controller: Marvell Technology Group Ltd.
MV88SX6081 8-port SATA II PCI-X Controller (rev 09)
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