From mboxrd@z Thu Jan  1 00:00:00 1970
From: Guenter Roeck <linux@roeck-us.net>
Date: Thu, 13 Feb 2014 07:26:20 +0000
Subject: Re: [lm-sensors] Kernel errors for dme1737
Message-Id: <52FC739C.2020201@roeck-us.net>
List-Id: <lm-sensors.vger.kernel.org>
References: <CADLDEKtzZeoOyyUGe7Rug8n-c0oZ_n8Cqd=HFpPZdZWgYmJARg@mail.gmail.com>
In-Reply-To: <CADLDEKtzZeoOyyUGe7Rug8n-c0oZ_n8Cqd=HFpPZdZWgYmJARg@mail.gmail.com>
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To: lm-sensors@vger.kernel.org

On 02/12/2014 10:39 PM, J=FCrgen Fuchsberger wrote:
>
>
> On 02/12/2014 03:24 PM, Guenter Roeck wrote:
>> On 02/12/2014 04:05 AM, Jean Delvare wrote:
>>> On Wed, 12 Feb 2014 03:54:44 -0800, Guenter Roeck wrote:
>>>> On 02/12/2014 03:07 AM, J=FCrgen Fuchsberger wrote:
>>>>> i2cdump.txt
>>>>>
>>>>>
>>>>>         0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
>>>>> 0123456789abcdef
>>>>> 00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ..............=
..
>>>>> 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ..............=
..
>>>>> 20: 36 00 c0 3a c4 80 27 80 ff ff ff ff ff ff ff ff    6.?:??'?......=
..
>>>>> 30: ff ff ff 00 00 00 00 00 00 00 00 00 00 00 5c 8a    ..............=
\?
>>>>> 40: 0f db c0 20 ad d3 00 ff ad d3 ad d3 ad d3 81 7f    ??? ??..??????=
??
>>>>> 50: 81 7f 81 7f ff ff ff ff ff ff ff ff 62 62 62 cb    ????........bb=
b?
>>>>> 60: cb cb e0 00 80 80 80 80 80 80 64 64 64 44 40 00    ???.??????dddD=
@.
>>>>> 70: ff ff ff 09 09 09 09 09 09 00 00 00 40 00 ec 10    ...??????...@.=
??
>>>>> 80: 7e a4 0e 00 d3 00 87 74 e0 00 4d 4d 0b 0b 0d 00    ~??.?.?t?.MM??=
?.
>>>>> 90: 04 04 04 04 0c 0c 0c 5a f1 c0 af ad d3 9d c0 00    ???????Z??????=
?.
>>>>> a0: 00 00 0c 00 02 ff ff 0b 0b fe ff fe ff ff ff ff    ..?.?..???.?..=
..
>>>>> b0: ff 00 00 00 00 00 28 28 0e 0e 0f 0f 00 00 00 00    ......((????..=
..
>>>>> c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ..............=
..
>>>>> d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ..............=
..
>>>>> e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ..............=
..
>>>>> f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ..............=
..
>>>>
>>>> That looks normal for the chip as far as I can see, and there are
>>>> no errors.
>>>
>>> The board supports IPMI. I would guess that the errors happen when the
>>> native driver and IPMI attempt to access the SMBus at the same time.
>>>
>> Yes, that would explanin the problem.
>>
>>> As usual, my recommendation is to either use IPMI or native drivers but
>>> not mix.
>>>
>> Agreed.
>>
> OK, how can I choose which driver to use?
>

Good question. Maybe Jean knows; I am just guessing.

Do you have any IPMI packages installed ?
Can you disable IPMI in the BIOS ?

Guenter


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