spurious completions during NCQ

Neal Becker ndbecker2 at gmail.com
Sun Nov 18 12:14:11 UTC 2007


I keep getting messages like:

Nov 18 06:59:04 nbecker1 kernel: ata3.00: exception Emask 0x2 SAct 0x4 SErr 0x0 action 0x2 frozen
Nov 18 06:59:04 nbecker1 kernel: ata3.00: spurious completions during NCQ issue=0x0 SAct=0x4 FIS=005040a1:00000008
Nov 18 06:59:04 nbecker1 kernel: ata3.00: cmd 60/b0:10:3f:38:64/03:00:0b:00:00/40 tag 2 cdb 0x0 data 483328 in
Nov 18 06:59:04 nbecker1 kernel:          res 50/00:b0:3f:38:64/00:03:0b:00:00/40 Emask 0x2 (HSM violation)
Nov 18 06:59:05 nbecker1 kernel: ata3: soft resetting port
Nov 18 06:59:05 nbecker1 kernel: ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
Nov 18 06:59:05 nbecker1 kernel: ata3.00: configured for UDMA/133
Nov 18 06:59:05 nbecker1 kernel: ata3: EH complete
Nov 18 06:59:05 nbecker1 kernel: sd 2:0:0:0: [sdb] 195371568 512-byte hardware sectors (100030 MB)
Nov 18 06:59:05 nbecker1 kernel: sd 2:0:0:0: [sdb] Write Protect is off
Nov 18 06:59:05 nbecker1 kernel: sd 2:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA

2.6.23.1-49.fc8 #1 SMP Thu Nov 8 22:14:09 EST 2007 x86_64
Disk is 
ata3.00: ATA-8: Hitachi HTS722010K9SA00, DC2OC54P, max UDMA/133
ata3.00: 195371568 sectors, multi 16: LBA48 NCQ (depth 31/32)
ata3.00: configured for UDMA/133





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