[Bug 154292] CPU frequency scaling broken on Pentium M

[MortalKastor]

Public bug reported:

Binary package hint: linux

On a MSI Mega Book S260 (Pentium M 2Ghz) CPU frequency scaling worked
well since Dapper (at least), but is now suddenly broken on a freshly
installed Gutsy (from ubuntu-7.10-desktop-i386.iso final). I did not
upgrade, I installed on a virgin partition.

$ cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 13
model name      : Intel(R) Pentium(R) M processor 2.00GHz
stepping        : 8
cpu MHz         : 798.289
cache size      : 2048 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss tm pbe nx up est tm2
bogomips        : 1598.10
clflush size    : 64

$ uname -r
2.6.22-14-generic

** Affects: linux-meta (Ubuntu)
     Importance: Undecided
         Status: New

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CPU frequency scaling broken on Pentium M
https://bugs.launchpad.net/bugs/154292
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