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Date:      Tue, 15 Feb 2011 21:50:12 -0500
From:      "illoai@gmail.com" <illoai@gmail.com>
To:        freebsd-stable@freebsd.org
Subject:   Re: 8.2-PRERELEASE generating warnings re my hard drive
Message-ID:  <AANLkTikoYYDoP%2BHurjNkWxN940K5wZeukBZepVsn37Gk@mail.gmail.com>
In-Reply-To: <20110215221417.GC2049@comcast.net>
References:  <20110214003704.GA2049@comcast.net> <20110215221417.GC2049@comcast.net>

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On 15 February 2011 17:14, Charlie Kester <corky1951@comcast.net> wrote:
> On Sun 13 Feb 2011 at 16:37:04 PST Charlie Kester wrote:
>>
>> I'm running 8-STABLE, i386 architecture, and yesterday I updated to the
>> latest version with cvsup.
>>
>> After installing the kernel and rebooting, I see the following messages =
on
>> the console:
>>
>> ad4: WARNING - SETFEATURES SET TRANSFER MODE requeued due to channel res=
et
>> =A0ad4: interrupt on idle channel ignored
>> ad4: WARNING - SETFEATURES SET TRANSFER MODE requeued due to channel res=
et
>> ad4: interrupt on idle channel ignored
>>
>> (repeated several times, and then the following:)
>> ad4: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout -
>> completing request directly ad4: 238475MB <Seagate ST3250410AS 3.AAF> at
>> ata2-master UDMA100 SATA 1.5Gb/s
>>
>> (shortly afterwards, I see this:)
>>
>> Trying to mount root from ufs:/dev/ad4s1a
>> ad4: WARNING - READ_DMA requeued due to channel reset LBA=3D33963227
>> ata2: FAILURE - already active DMA on this device
>> ata2: setting up DMA failed
>> g_vfs_done():ad4s1f[READ(offset=3D12103825408, length=3D2048)]error =3D =
5
>> ad4: WARNING - READ_DMA requeued due to channel reset LBA=3D705199
>> ata2: FAILURE - already active DMA on this device
>> ata2: setting up DMA failed
>>
>> (which then repeats many times with different LBA and offset values.)
>>
>> Similar messages appear after bootup is completed and I've logged in.
>> They seem to appear whenever any process accesses the hard drive.
>>
>> I reverted back to my previous build of the kernel, dated 3 Feb 2011,
>> and these messages no longer appear.
>>
>> smartctl reports that the drive is running without any errors or
>> incipient failures.
>>
>> So my question is, what's going on here? =A0Is this something I should
>> worry about? =A0If it's a problem with my kernel config, what parameters
>> should I be looking at?
>>
>> Motherboard: Intel D510MO with builtin IDE controller (NM10).
>
> Anyone?
>
> If this isn't the best forum for this question, I'd appreciate a
> redirection.

This looks like the only change under ATA since your
Feb 3rd kernel:
http://svn.freebsd.org/viewvc/base/stable/8/sys/dev/ata/chipsets/ata-intel.=
c?r1=3D215512&r2=3D218347

I have no idea what it means, though.

--=20
--



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