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From: Michael Tokarev <>
To: Hugo Mills <>,,
Subject: Re: Spurious completions during NCQ
Date: Fri, 15 Feb 2008 18:37:00 +0300	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

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.


  reply	other threads:[~2008-02-15 15:37 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-15 13:46 Hugo Mills
2008-02-15 15:00 ` Calvin Walton
2008-02-15 15:04   ` Hugo Mills
2008-02-15 15:37     ` Michael Tokarev [this message]
2008-02-16 14:08 ` Mark Lord
2008-03-06  5:56   ` Tejun Heo
2008-03-06  6:05     ` Tejun Heo
  -- strict thread matches above, loose matches on Subject: below --
2007-10-13 13:12 Marco Lamberto
2007-09-07 17:57 Sumanth J.V

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