[Bug 422858] Re: Atom N280 frequency scaling not supported

[summerfk]

This bug isn't invalid. It affects a whole range of machines, not just  
Lenovo.


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On 23 Dec 2009, at 02:57, rkagan <rkagan at mail.ru> wrote:

> On Tue, Dec 22, 2009 at 01:15:29PM -0000, Geralt wrote:
>> Is Lenovo aware of this problem? I've seen some links here to  
>> topics in
>> their forums, but no statement from Lenovo.
>
> Lenovo has no public issue tracker so you never can tell.
>
> I'm discussing the problem with their local support contact.  However
> it's dealt with at low priority because nobody but me complained so  
> far.
>
> Again: there's no bug in Ubuntu nor in Linux in general.  The MSI
> success story is yet another confirmation.  There's no point polluting
> Ubuntu bugspace with this.
>
> Let's close this bug as INVALID or whatever is appropriate, and let  
> the
> people complain to their vendors.
>
> -- 
> Atom N280 frequency scaling not supported
> https://bugs.launchpad.net/bugs/422858
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in “cpufreqd” package in Ubuntu: Confirmed
>
> Bug description:
> Seems like there's a few people out there with a common problem. I  
> can't get my Ubuntu 9.04 to manage the frequency of the Atom N280  
> CPU at 1,6 GHz on my Acer One D250 HD.
>
> A quick google with bing later I found that I could "sudo modprobe  
> acpi_cpufreq" except this returns "FATAL: Module acpi_cpufreq not  
> found". A "sudo dpkg-reconfigure gnome-applets" didn't cut it either.
>
> /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies  
> returns:
> 1333000 1066000 800000
>
> Which shouldn't be, as /proc/cpuinfo, as well as Windows 7, states  
> it's a 1,66GHz:
> model name    : Intel(R) Atom(TM) CPU N280   @ 1.66GHz
> stepping    : 2
> cpu MHz        : 1333.000
> power management:
>
> Though it seems the frequency is locked at 1,3GHz and that there's  
> no power management involved.
>
> Other peoples struggles with this:
> http://ubuntuforums.org/showthread.php?t=1201352&highlight=n280
> http://ubuntuforums.org/archive/index.php/t-1209082.html
>
> To unsubscribe from this bug, go to:
> https://bugs.launchpad.net/ubuntu/+source/cpufreqd/+bug/422858/+subscribe

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Atom N280 frequency scaling not supported
https://bugs.launchpad.net/bugs/422858
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