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View Full Version : [ubuntu] 8.10: modprobe acpi-cpufreq



IQRules
January 17th, 2010, 10:26 PM
# modprobe powernow-k8
FATAL: Error inserting powernow_k8 (/lib/modules/2.6.27-11-generic/kernel/arch/x86/kernel/cpu/cpufreq/powernow-k8.ko): No such device

Got this from dmesg,

[ 3090.419349] powernow-k8: Found 2 AMD Opteron(tm) Processor 250 processors (2 cpu cores) (version 2.20.00)
[ 3090.420168] powernow-k8: ACPI Processor support is required for SMP systems but is absent. Please load the ACPI Processor module before starting this driver.
[ 3090.420324] powernow-k8: ACPI Processor support is required for SMP systems but is absent. Please load the ACPI Processor module before starting this driver.

How to fix this? thx

IQRules
January 18th, 2010, 07:50 PM
Upgrade to 9.04, this is IBM Intellistation A.

IBM810:~$ dmesg | grep power
[ 2.846705] powernow-k8: Found 1 AMD Opteron(tm) Processor 250 processors (2 cpu cores) (version 2.20.00)
[ 2.846730] [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.
[ 2.846827] [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.

Look like IBM BIOS is the issue here.