Comment 3 for bug 163398

Also seeing this on most recent Feisty.

root@user0:~# uname -a
Linux user0 2.6.20-16-server #2 SMP Sun Sep 23 18:36:55 UTC 2007 x86_64 GNU/Linux

root@user0:~# dmesg | grep -i throttling
[ 81.146796] ACPI: Processor [CPU0] (supports 8 throttling states)
[ 81.146847] ACPI: Processor [CPU1] (supports 8 throttling states)
[ 81.146875] ACPI: Processor [CPU2] (supports 8 throttling states)
[ 81.146930] ACPI: Processor [CPU3] (supports 8 throttling states)
[ 81.146954] ACPI: Processor [CPU4] (supports 8 throttling states)
[ 81.147009] ACPI: Processor [CPU5] (supports 8 throttling states)
[ 81.147065] ACPI: Processor [CPU6] (supports 8 throttling states)
[ 81.147110] ACPI: Processor [CPU7] (supports 8 throttling states)

root@user0:~# modprobe acpi-cpufreq
FATAL: Error inserting acpi_cpufreq (/lib/modules/2.6.20-16-server/kernel/arch/x86_64/kernel/cpufreq/acpi-cpufreq.ko): No such device

root@user0:~# cpufreq-info
cpufrequtils 002: cpufreq-info (C) Dominik Brodowski 2004-2006
Report errors and bugs to <email address hidden>, please.
analyzing CPU 0:
  no or unknown cpufreq driver is active on this CPU
analyzing CPU 1:
  no or unknown cpufreq driver is active on this CPU
...

root@user0:~# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Xeon(R) CPU L5320 @ 1.86GHz
stepping : 7
cpu MHz : 1861.911
cache size : 4096 KB
physical id : 0
siblings : 4
core id : 0
cpu cores : 4
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl vmx tm2 ssse3 cx16 xtpr dca lahf_lm
bogomips : 3726.73
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:
...

Can only speculate that they turned it off for server kernels?