[Bug 70148] No speedstep with Core 2 Duo

Mathieu Gaspard lukeg at altern.org
Fri Nov 3 21:44:19 UTC 2006


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 <jeremy at goop.org>
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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