MSI K9A2 Platinum Rev.1 bios update from 1.1 to 1.5 breaks ACPI _PSS objects

Benjamin Scherrer
2008-09-22T17:32:12Z

Hi,

I just updated my bios on the MSI K9A2 Platinum mainboard from version 1.1 to 1.5. Unfortunately, cpufreq is not working any more, and "modprobe powernow-k8" gives me:

"powernow-k8: Found 1 AMD Phenom(tm) 9850 Quad-Core Processor processors (4 cpu cores) (version 2.20.00)
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 complaint to MSI, and am kindly asking you for advice what to do now, since I don't want to run all my cpus on 100% all the time. Will the cpufreq_ondemand governer also work without the PSS objects?

greetings,
Benjamin

p.s. I mailed MSI that they should contact you at http://www.lesswatts.org/projects/acpi/ (just as info for you, they most probably won't do anything I guess)

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