Public bug reported:
Binary package hint: linux-image-2.6.20-2-generic
In feisty, cpufreq actions now affects both CPU cores of my Core 2 Duo.
I can no longer specify a governor (or frequency) for one core, and a
different one for the other. In edgy, I can select governor/frequency
for each CPU core.
In edgy, kernel 2.6.17-11-generic:
$ cat /sys/devices/system/cpu/cpu0/cpufreq/affected_cpus
0
$ cat /sys/devices/system/cpu/cpu1/cpufreq/affected_cpus
1
In feisty, kernel 2.6.20-6-generic:
$ cat /sys/devices/system/cpu/cpu0/cpufreq/affected_cpus
0 1
$ cat /sys/devices/system/cpu/cpu1/cpufreq/affected_cpus
0 1
** Affects: linux-source-2.6.20 (Ubuntu)
Importance: Undecided
Status: Unconfirmed
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[regression] Changing CPU frequency affects both CPU cores instead of one
https://launchpad.net/bugs/84378
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