I tried to use the cpufreq with my toshiba satellite a60 (processor Mobile Intel(R) Pentium(R) 4 CPU 2.80GHz)

and i got this error in the dmesg:
p4-clockmod: P4/Xeon(TM) CPU On-Demand Clock Modulation available
ACPI-0258: *** Error: Thread F06 cannot release Mutex [MUT1] acquired by thread E7B
ACPI-0508: *** Error: Method execution failed [\_SB_.RDEC] (Node dbfce840), AE_AML_NOT_OWNER
ACPI-0508: *** Error: Method execution failed [\_SB_.BAT1._BST] (Node dbfc99a0), AE_AML_NOT_OWNER
ACPI-0258: *** Error: Thread F0A cannot release Mutex [MUT1] acquired by thread E7B
ACPI-0508: *** Error: Method execution failed [\_SB_.RDEC] (Node dbfce840), AE_AML_NOT_OWNER
ACPI-0508: *** Error: Method execution failed [\_SB_.BAT1._BST] (Node dbfc99a0), AE_AML_NOT_OWNER
ACPI-0258: *** Error: Thread F0E cannot release Mutex [MUT1] acquired by thread E7B
ACPI-0508: *** Error: Method execution failed [\_SB_.RDEC] (Node dbfce840), AE_AML_NOT_OWNER
ACPI-0508: *** Error: Method execution failed [\_SB_.BAT1._BST] (Node dbfc99a0), AE_AML_NOT_OWNER
ACPI-0258: *** Error: Thread F11 cannot release Mutex [MUT1] acquired by thread E7B
ACPI-0508: *** Error: Method execution failed [\_SB_.RDEC] (Node dbfce840), AE_AML_NOT_OWNER
ACPI-0508: *** Error: Method execution failed [\_SB_.BAT1._BST] (Node dbfc99a0), AE_AML_NOT_OWNER
ACPI-0258: *** Error: Thread DB1 cannot release Mutex [MUT1] acquired by thread E7B
ACPI-0508: *** Error: Method execution failed [\_SB_.RDEC] (Node dbfce840), AE_AML_NOT_OWNER
ACPI-0508: *** Error: Method execution failed [\_SB_.BAT1._BIF] (Node dbfc99c0), AE_AML_NOT_OWNER
ACPI-0258: *** Error: Thread DB1 cannot release Mutex [MUT1] acquired by thread E7B
ACPI-0508: *** Error: Method execution failed [\_SB_.RDEC] (Node dbfce840), AE_AML_NOT_OWNER
ACPI-0508: *** Error: Method execution failed [\_SB_.BAT1._BST] (Node dbfc99a0), AE_AML_NOT_OWNER
ACPI-0258: *** Error: Thread DB1 cannot release Mutex [MUT1] acquired by thread E7B
ACPI-0508: *** Error: Method execution failed [\_SB_.RDEC] (Node dbfce840), AE_AML_NOT_OWNER
ACPI-0508: *** Error: Method execution failed [\_SB_.BAT1._BIF] (Node dbfc99c0), AE_AML_NOT_OWNER
ACPI-0240: *** Error: Cannot release Mutex [MUT1], not acquired
ACPI-0508: *** Error: Method execution failed [\_SB_.RDEC] (Node dbfce840), AE_AML_MUTEX_NOT_ACQUIRED
ACPI-0508: *** Error: Method execution failed [\_SB_.BAT1._BST] (Node dbfc99a0), AE_AML_MUTEX_NOT_ACQUIRED
ACPI-0240: *** Error: Cannot release Mutex [MUT1], not acquired
ACPI-0508: *** Error: Method execution failed [\_SB_.RDEC] (Node dbfce840), AE_AML_MUTEX_NOT_ACQUIRED
ACPI-0508: *** Error: Method execution failed [\_SB_.BAT1._BIF] (Node dbfc99c0), AE_AML_MUTEX_NOT_ACQUIRED

I'm using the kernel 2.6.14.3, my battery consumption doesn't seem to go down, but my computer runs slower...

any idea?

Seem to be a problem with the Button module of the ACPI (don't know where i read that...)

If somebody has an idea...