[Bug 14771] "ondemand" never raises frequency on an Intel Core2 Due (T9900) in a recent Dell E6500

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http://bugzilla.kernel.org/show_bug.cgi?id=14771





--- Comment #11 from Mike Frysinger <vapier@xxxxxxxxxx>  2009-12-09 11:03:23 ---
going by that report and my dmesg, it seems i have "weird" P states too:

acpi-cpufreq:      *P0: 3068 MHz, 35000 mW, 10 uS
acpi-cpufreq:       P1: 3067 MHz, 35000 mW, 10 uS
acpi-cpufreq:       P2: 2134 MHz, 16314 mW, 10 uS
acpi-cpufreq:       P3: 1600 MHz, 15000 mW, 10 uS
acpi-cpufreq:       P4: 800 MHz, 12000 mW, 10 uS

unfortunately, rebooting with "processor.ignore_ppc=1" added to my cmdline
didnt make a difference.  after switching to the ondemand governor, the freq
did not go above 800 MHz (save behavior is observed as documented in the
summary).

# cat /sys/module/processor/parameters/ignore_ppc
1
# cat /proc/cmdline
root=/dev/sda3 panic=3 quiet processor.ignore_ppc=1

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