[ltp] PM on Thinkpad T41

[Micha Holzmann]

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Hello all,

since january i am a proud T41 user. Before this it was a 390E.
Actually i am running Debian unstable. Kernel 2.6.4.

It seems that speedstep is in some way broken. After starting and
logging in:

cat /proc/cpuinfo|grep "^cpu MHz"
cpu MHz         : 1395.780

Then cd to /sys/devices/system/cpu/cpu0/cpufreq

idm-06 # ll
total 0
-r--r--r--    1 root     root         4096 Mar 31 08:01 cpuinfo_max_freq
-r--r--r--    1 root     root         4096 Mar 31 08:01 cpuinfo_min_freq
-r--r--r--    1 root     root         4096 Mar 31 08:01 scaling_available_g=
overnors
-r--r--r--    1 root     root         4096 Mar 31 08:01 scaling_driver
-rw-r--r--    1 root     root            0 Mar 31 08:01 scaling_governor
-rw-r--r--    1 root     root            0 Mar 31 08:01 scaling_max_freq
-rw-r--r--    1 root     root            0 Mar 31 08:01 scaling_min_freq

cat *
1400000
600000
powersave performance
centrino
performance
600000
1400000
600000

then echo powersave > scaling_governor

cat *
1400000
600000
powersave performance
centrino
powersave
600000
600000


cat /proc/cpuinfo|grep "^cpu MHz"
cpu MHz         : 1395.780


The fan is blowing permanently. A few weeks ago i can remember that the
cpu frequency was halved, roundabout 598 ~

Installed and running is: cpufreqd, acpid.

Any hints or ideas?

Best regards,
Micha Holzmann

--=20
My software never has bugs. It just develops random features.

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