Comment 3 for bug 398109

Hey swordfish,

A thought for a little more info for the Linux team. Since this
problem is in the BIOS programming. What brand bios do you have?
Phoenix? AMI? etc...

Neil

On 8/12/09, swordfish <email address hidden> wrote:
> I've got the same trouble with Asus M2N-MX SE motherboard.
> BIOS version number is 0602 (latest at this time), all settings is default.
> Ubuntu version is 9.04 with latest kernel.
>
> Best
>
> --
> powernow-k8: Your BIOS does not provide ACPI _PSS objects in a way that
> Linux understands
> https://bugs.launchpad.net/bugs/398109
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in “linux” package in Ubuntu: New
>
> Bug description:
> Description: Ubuntu 9.04
> Release: 9.04
> cpufrequtils:
> Installed: 004-2
> Candidate: 004-2
> Version table:
> *** 004-2 0
> 500 http://us.archive.ubuntu.com jaunty/universe Packages
> 100 /var/lib/dpkg/status
>
> Expected: cpu freq scaling via cpu frequency scaling monitor applet Gnome
> Panel
>
> Found this:
> dmesg |grep powernow
> [ 4.230267] powernow-k8: Found 1 AMD Athlon(tm) Dual Core Processor 4850e
> processors (2 cpu cores) (version 2.20.00)
> [ 4.230287] [Firmware Bug]: powernow-k8: Your BIOS does not provide ACPI
> _PSS objects in a way that Linux understands. Please report this to the
> Linux ACPI maintainers and complain to your BIOS vendor.
> [ 4.230372] [Firmware Bug]: powernow-k8: Your BIOS does not provide ACPI
> _PSS objects in a way that Linux understands. Please report this to the
> Linux ACPI maintainers and complain to your BIOS vendor.
> I was trying to add the cpu frequency scaling monitor applet to my gnome
> desktop panel and I received the message: CPU frequency scaling unsupported
> You will not be able to modify the frequency of your machine. Your machine
> may be misconfigured or not have hardware support for CPU frequency scaling.
>
> My system monitor shows the percentage frequency each core is using just
> fine.
>
> My system is an Asus M2N68-VM motherboard w/ AMD 64 dual core 4850e 2.5 ghz
> processor
> The bios is AMI v 2.61
>
> Hope this helps figure it out eventually. Thanks.
>