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#1 2008-01-17 17:03:24

capeta
Member
From: Minas Gerais, Brazil
Registered: 2007-08-13
Posts: 8

ACPI Error

When I try to load the acpi module I get this error:
WARNING: Error inserting processor (/lib/modules/2.6.23-ARCH/kernel/drivers/acpi/processor.ko): No such device
FATAL: Error inserting acpi_cpufreq (/lib/modules/2.6.23-ARCH/kernel/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.ko): Unknown symbol in module, or unknown parameter (see dmesg)
Can someone help me? smile

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#2 2008-01-20 20:04:54

olleg
Member
Registered: 2008-01-20
Posts: 6

Re: ACPI Error

I don't know if this helps you and even if it's a correct decision, but it seems to work for me:
instead of using acpi_cpufreq I've used p4_clockmod (since my CPU is P4)

$ dmesg | grep CPU
Initializing CPU#0
SLUB: Genslabs=22, HWalign=64, Order=0-1, MinObjects=4, CPUs=1, Nodes=1
CPU: After generic identify, caps: bfebf9ff 00000000 00000000 00000000 00004400 00000000 00000000 00000000
CPU: Trace cache: 12K uops, L1 D cache: 8K
CPU: L2 cache: 128K
CPU: Hyper-Threading is disabled
CPU: After all inits, caps: bfebf9ff 00000000 00000000 0000b080 00004400 00000000 00000000 00000000
Intel machine check reporting enabled on CPU#0.
CPU0: Intel P4/Xeon Extended MCE MSRs (12) available
CPU0: Thermal monitoring enabled
CPU0: Intel(R) Celeron(R) CPU 2.60GHz stepping 09
Brought up 1 CPUs
Switched to high resolution mode on CPU 0
p4-clockmod: P4/Xeon(TM) CPU On-Demand Clock Modulation available
ACPI: CPU0 (power states: C1[C1] C2[C2])

after following instructions at this page: http://wiki.archlinux.org/index.php/SpeedStep
( s/acpi_cpufreq/p4_clockmod/ )
I have this:

$ cpufreq-info
cpufrequtils 002: cpufreq-info (C) Dominik Brodowski 2004-2006
Report errors and bugs to linux@brodo.de, please.
analyzing CPU 0:
  driver: p4-clockmod
  CPUs which need to switch frequency at the same time: 0
  hardware limits: 325 MHz - 2.60 GHz
  available frequency steps: 325 MHz, 650 MHz, 975 MHz, 1.30 GHz, 1.63 GHz, 1.95 GHz, 2.28 GHz, 2.60 GHz
  available cpufreq governors: userspace, powersave, performance
  current policy: frequency should be within 325 MHz and 2.60 GHz.
                  The governor "powersave" may decide which speed to use
                  within this range.
  current CPU frequency is 325 MHz.

If your cpu is AMD try modprobe powernow-k8.

If anyone can tell more or correct me, I'd be glad to know if I'm mistaken.

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