[mythtv-users] OT: nForce2_smbus problem

Frank Phillips frankalso at gmail.com
Fri Nov 4 20:55:19 UTC 2011


On Fri, Nov 4, 2011 at 2:53 PM, David Watkins <watkinshome at gmail.com> wrote:
> On 4 November 2011 16:26, Josu Lazkano <josu.lazkano at gmail.com> wrote:
>> 2011/10/31 Josu Lazkano <josu.lazkano at gmail.com>:
>>> Hello list, this is not related to MythTV, but I have 2 HTPC with
>>> Nvidia ION boards and I am getting this on machine boot:
>>>
>>> Waiting for /dev to be fully populated...[   5.484940] ACPI: I/O
>>> resource nForce2_smbus [0x4e00-0x4e3f] conflicts with ACPI region SM00
>>> [0x4e00-0x4e3f] [    5.485024] nForce2_smbus 000:00:03:2: Error
>>> probing SMB2.
>>>
>>> It looks like the board I2C bus has a problem, is this important? Must
>>> I change some configuration (drivers, BIOS...)?
>>>
>>> Best regards.
>>>
>>> --
>>> Josu Lazkano
>>>
>>
>> Hello, I solved this way:
>>
>> 1. Edit /etc/default/grub:
>>
>> GRUB_CMDLINE_LINUX="acpi_enforce_resources=lax"
>>
>> 2. Update grub2:
>>
>> update-grub2
>>
>> Hope this help someone.
>
> I see the same error on my Ion board,
>
> Is there actually a problem associated with it though?  My
> interpretation of the solution was that it suppresses the error
> message rather than fix anything - or am I wrong?
>
> D

Here is the background on this (old) issue:
http://www.lm-sensors.org/wiki/FAQ/Chapter3#Mysensorshavestoppedworkinginkernel2.6.31


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