Arch Linux

Vortex375

Member

Registered: 2009-02-24

Posts: 62

cpu frequency scaling not working and hdd powers down

Hi,

I recently made a fresh reinstall on my laptop keeping only my user settings (home directory) but no system-wide settings (/etc).

Now I have the following issues:

1) CPU frequency scaling does not work. KDE's PowerDevil tells me, my CPU does not have scaling capability and when I try to start cpufreq, I get this error message:

# /etc/rc.d/cpufreq start
:: Setting cpufreq governing rules , cpu 0 1Error setting new values. Common errors:                       [BUSY] - Do you have proper administration rights? (super-user?)ble_governors: No such file or directory
- Is the governor you requested available and modprobed?
- Trying to set an invalid policy?
- Trying to set a specific frequency, but userspace governor is not available,
   for example because of hardware which cannot be set to a specific frequency
   or because the userspace governor isn't loaded?

The governor modules are loaded:

# lsmod | grep cpufreq
cpufreq_userspace       2096  0 
cpufreq_powersave        942  0 
cpufreq_ondemand        7990  0 
freq_table              2339  1 cpufreq_ondemand
cpufreq_conservative     9172  0

This used to work out-of-the box with the previous install so I'm a bit puzzled.

2) My hard drive powers down after a few seconds of inactivity, just to power up a few seconds later when it's accessed again. The hard drive never powered down on my previous installation. I do not have any power management daemons running and this behavior starts right after booting the machine, before I log in.

I would like to disable this "feature" since I think it's rather bad for the hard drive's health as well as battery life.

Any ideas?:)

EDIT: Cpu frequency scaling is fixed now, forgot to load the acpi_cpufreq module.:rolleyes: There's still the issue with the hard drive, though.

Last edited by Vortex375 (2010-06-28 14:54:27)

kralyk

Member

Registered: 2009-04-27

Posts: 73

Re: cpu frequency scaling not working and hdd powers down

The HDD thing is caused by upowerd, dunno why though.
You can try: hdparm -B 254 <disk device>, but that wont solve the problem permanently, only till you plug and unplug again the AC supply.

you can also try killing upowerd and things will (at least that was the case for me) be alright.

Maybe this is upowerd bug?

Last edited by kralyk (2010-06-29 20:44:24)

Vortex375

Member

Registered: 2009-02-24

Posts: 62

Re: cpu frequency scaling not working and hdd powers down

Maybe this is upowerd bug?

Or a feature. Thanks anyway,

Does upowerd start automatically, because I never configured it to launch?