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Date:      Wed, 17 Mar 2010 22:21:38 -0300 (BRT)
From:      "Nenhum_de_Nos" <matheus@eternamente.info>
To:        freebsd-stable@freebsd.org
Subject:   Re: ahci errors on 8-stable
Message-ID:  <8e44fe1b34b8107348d2ec5d86f4d7bf.squirrel@lamneth>
In-Reply-To: <4BA08DCD.1060009@omnilan.de>
References:  <80587c73d8c5ee56d8890d04179024b8.squirrel@cygnus.homeunix.com> <20100308222653.GA87837@icarus.home.lan> <20100308204458.9e0d51a8.matheus@eternamente.info> <4B9E6C82.8050403@omnilan.de> <cb96e5149e2c0b9a321325280d488b3e.squirrel@lamneth> <4BA08DCD.1060009@omnilan.de>

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On Wed, March 17, 2010 05:07, Harald Schmalzbauer wrote:
> Nenhum_de_Nos schrieb am 16.03.2010 02:01 (localtime):
>> On Mon, March 15, 2010 14:21, Harald Schmalzbauer wrote:
>>> Nenhum_de_Nos schrieb am 09.03.2010 00:44 (localtime):
>>>> On Mon, 8 Mar 2010 14:26:53 -0800
>>>> Jeremy Chadwick <freebsd@jdc.parodius.com> wrote:
>>>>
>>>>> On Mon, Mar 08, 2010 at 06:38:02PM -0300, Nenhum_de_Nos wrote:
>>>>>> I've seen these errors in a production machine in deep disk load
>>>>>> (scp
>>>>>> and
>>>>>> bsdtar in heavy use):
>>>>> Please provide the output from the following commands:
>>>> As I had huge disk activity when those messages appeared, I did reboot
>>>> after and now no more are there. I think the vmstat command should be
>>>> issued when the problem was happening right ? (if so I can run the
>>>> backup tar's and see what happens).
>>> What disks do you use?
>>> I have similar timeouts and mav has the hd firmware in mind to be the
>>> culprit
>>> http://unix.derkeiler.com/Mailing-Lists/FreeBSD/stable/2010-02/msg00737.html
>>>
>>> In my case it's the samsung EcoGreen SpinPouint F2 1.5TB, Firmware
>>> 1AG01113 and 1AG01118. The disk on ahcich2 (where the timeouts appear)
>>> has the newer firmware.
>>
>> 2 Seagate 1TB disks:
>>
>> Mar  8 13:49:45 optimus kernel: ada1 at ahcich1 bus 0 scbus1 target 0
>> lun 0
>> Mar  8 13:49:45 optimus kernel: ada1: <ST31000528AS CC38> ATA-8 SATA 2.x
>> device
>> Mar  8 13:49:45 optimus kernel: ada1: 300.000MB/s transfers (SATA 2.x,
>> UDMA6, PIO size 8192bytes)
>> Mar  8 13:49:45 optimus kernel: ada1: Command Queueing enabled
>> Mar  8 13:49:45 optimus kernel: ada1: 953869MB (1953525168 512 byte
>> sectors: 16H 63S/T 16383C)
>> Mar  8 13:49:45 optimus kernel: ada2 at ahcich3 bus 0 scbus3 target 0
>> lun 0
>> Mar  8 13:49:45 optimus kernel: ada2: <ST31000528AS CC38> ATA-8 SATA 2.x
>> device
>> Mar  8 13:49:45 optimus kernel: ada2: 300.000MB/s transfers (SATA 2.x,
>> UDMA6, PIO size 8192bytes)
>> Mar  8 13:49:45 optimus kernel: ada2: Command Queueing enabled
>> Mar  8 13:49:45 optimus kernel: ada2: 953869MB (1953525168 512 byte
>> sectors: 16H 63S/T 16383C)
>>
>> those are known to be bad ?
>
> In my experience, these are reliable drives. And completely different to
> mine. So I think it's not liklely to be a firmware bug.
> I hope the problem can be pointed out. If there's anything I can help,
> please let me know.
>
> Thanks,
>
> -Harry

thanks. but it was caused by a disk intensive script that was running to
much (a cron line that said * on minute and */4 on hour). so disks were
never idle. when I corrected it no more of those showed up.

if needed more tests can be done :)

thanks all,

matheus

-- 
We will call you cygnus,
The God of balance you shall be

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?

http://en.wikipedia.org/wiki/Posting_style



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