LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Michael Tokarev <mjt@tls.msk.ru>
To: Hugo Mills <hugo@carfax.org.uk>,
	linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: Spurious completions during NCQ
Date: Fri, 15 Feb 2008 18:37:00 +0300	[thread overview]
Message-ID: <47B5B19C.9020801@msgid.tls.msk.ru> (raw)
In-Reply-To: <20080215150449.GC27745@vlad.carfax.org.uk>

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

  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=47B5B19C.9020801@msgid.tls.msk.ru \
    --to=mjt@tls.msk.ru \
    --cc=hugo@carfax.org.uk \
    --cc=linux-ide@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --subject='Re: Spurious completions during NCQ' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).