[lm-sensors] unknown VRM version

David Balnaves david at utopia.cable.nu
Mon Sep 22 13:27:56 CEST 2008


Hi Jean,

Thanks for the help.

I found that /etc/init.d/lm-sensors was a convenient place to put the 
modification.

-- 
David Balnaves
URSYS Pty. Ltd
13 Burwood Rd. Burwood NSW 2134 Australia
Ph 02 8745 2832 Fax 02 8745 2828
david.balnaves at ursys.com.au
----- Original Message ----- 
From: "Jean Delvare" <khali at linux-fr.org>
To: "David Balnaves" <david at utopia.cable.nu>
Cc: <lm-sensors at lm-sensors.org>
Sent: Monday, September 22, 2008 6:33 PM
Subject: Re: [lm-sensors] unknown VRM version


> Hi David,
>
> On Mon, 22 Sep 2008 13:54:50 +1000, David Balnaves wrote:
>> Thanks for the reply.
>>
>> wintermute:~# uname -r
>> 2.6.20.3-ubuntu1
>>
>> wintermute:~# cat /proc/cpuinfo
>> processor : 0
>> vendor_id : Geode by NSC
>> cpu family      : 5
>> model   : 9
>> model name      : Unknown
>> stepping  : 1
>> cpu MHz   : 266.648
>> fdiv_bug  : no
>> hlt_bug   : no
>> f00f_bug  : no
>> coma_bug  : no
>> fpu    : yes
>> fpu_exception   : yes
>> cpuid level     : 2
>> wp     : yes
>> flags   : fpu tsc msr cx8 cmov mmx cxmmx
>> bogomips  : 533.87
>> clflush size    : 32
>
> I am reasonably certain that the Geode CPUs have no VID pins, so it is
> expected that this particular feature of the PC87366 isn't used on your
> system.
>
> The annoying "Requested unsupported VRM version" message that fills
> your logs has been fixed in kernel 2.6.22. For earlier kernel versions,
> there is no direct way to disable this warning message, but the
> following workaround should work:
>
> * Search for the "vrm" file under /sys. It should be reachable as
>  either /sys/devices/platform/pc87366.26144/vrm
>  or /sys/class/hwmon/hwmon0/device/vrm.
>
> * Write value 90 to that file:
>  echo 90 > /sys/devices/platform/pc87366.26144/vrm
>
> After doing that, the warning message should no longer be logged.
> You'll have to reiterate the operation after each reboot so you
> probably want to add the command in some local boot script.
>
> -- 
> Jean Delvare
> 





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