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SubjectRe: Spurious completions during NCQ
Hugo Mills wrote:
> On Fri, Feb 15, 2008 at 10:00:00AM -0500, Calvin Walton wrote:
>> On Fri, 2008-02-15 at 13:46 +0000, Hugo Mills wrote:
>>> I'm getting these on my Dell Latitude D830:
>>>
>>> Feb 15 13:06:00 willow kernel: ata1.00: exception Emask 0x2 SAct 0x4 SErr 0x0 action 0x2 frozen
>>> Feb 15 13:06:00 willow kernel: ata1.00: spurious completions during NCQ issue=0x0 SAct=0x4 FIS=004040a1:00000002
>>> In some cases, there are several cmd/res lines listed. It's
>>> happening about once an hour or so (not correlated with any other
>>> event that I can see). It doesn't seem to be affecting operation of
>>> the machine, but it's making me nervous.

JFYI: Most probably it is correlated with smartd asking
the device for it's SMART status.

/mjt


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