Public bug reported:
Binary package hint: linux-image-generic
The speedstep functionality isn't supported by the 2.6.17 kernel
the processor is stuck at the max frequency, and
/sys/device/system/cpu/CPU0/cpufreq isn't populated
the 'interesting' part of dmesg follows :
cpufreq-core: trying to register driver centrino
cpufreq-core: adding CPU 0
speedstep-centrino: <6>speedstep-centrino: obtaining ACPI data failed
speedstep-centrino: <6>speedstep-centrino: found unsupported CPU with Enhanced
SpeedStep: send /proc/cpuinfo to Jeremy Fitzhardinge <[EMAIL PROTECTED]>
cpufreq-core: initialization failed
cpufreq-core: adding CPU 1
speedstep-centrino: <6>speedstep-centrino: obtaining ACPI data failed
cpufreq-core: initialization failed
cpufreq-core: no CPU initialized for driver centrino
cpufreq-core: unregistering CPU 0
cpufreq-core: unregistering CPU 1
acpi-cpufreq: acpi_cpufreq_init
acpi-cpufreq: acpi_cpufreq_early_init
acpi_processor-0751 [37380] processor_preregister_: Error while parsing _PSD
domain information. Assuming no coordination
cpufreq-core: trying to register driver acpi-cpufreq
cpufreq-core: adding CPU 0
acpi-cpufreq: acpi_cpufreq_cpu_init
cpufreq-core: initialization failed
cpufreq-core: adding CPU 1
acpi-cpufreq: acpi_cpufreq_cpu_init
cpufreq-core: initialization failed
cpufreq-core: no CPU initialized for driver acpi-cpufreq
cpufreq-core: unregistering CPU 0
cpufreq-core: unregistering CPU 1
** Affects: linux-meta (Ubuntu)
Importance: Undecided
Status: Unconfirmed
--
No speedstep with Core 2 Duo
https://launchpad.net/bugs/70148
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