Re: [2.6.23-rc3] Regression: "spurious completions during NCQ"

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Frans Pop wrote:
> Hi,
> 
> I've been running 2.6.23-rc2 without problems. Today I compiled 2.6.23-rc3
> and shortly after boot got the following messages in my logs:
> 
> kernel: ata1.00: spurious completions during NCQ issue=0x0 SAct=0x7ffc7 FIS=005040a1:00000020
> kernel: ata1.00: cmd 61/30:00:73:96:db/00:00:04:00:00/40 tag 0 cdb 0x0 data 24576 out
> kernel:          res 50/00:08:7b:97:db/00:00:04:00:00/40 Emask 0x2 (HSM violation)
> [...]
> kernel: ata1: soft resetting port
> kernel: ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> kernel: ata1.00: configured for UDMA/133
> kernel: ata1: EH complete
> kernel: sd 0:0:0:0: [sda] 321672960 512-byte hardware sectors (164697 MB)
> kernel: sd 0:0:0:0: [sda] Write Protect is off
> kernel: sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
> kernel: sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
> 
> A grep in the logs shows that the first error has never occurred before.
> I was doing nothing special at the time (SVN checkout, not even running X).
> 
> Full kern.log for that boot and lsmod attached.
> My system is Debian unstable with 2.6.23 built from Linus' git tree.

How reproducible is the problem?

-- 
tejun
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