Dothan CPU and FC3

Michael Stiller ms at 2scale.net
Tue Jan 11 13:21:07 UTC 2005


On Tue, 2005-01-11 at 13:50 +0100, Marco Calviani wrote:
> Hello to everybody,
> I've an ACER Travelmate 8005 running on FC3 with the 2.6.9-1.681_FC3
> kernel . I'm not able to find the appropriate files in
> /sys/devices/system/cpu/cpu0
> to change the speed of my Dothan Centrino processor. I've read from Jordi
> Cucurull's home page
> http://www.ccd.uab.es/~jordicj/linux/inspiron510m.php3
> that it could be due to an incorrect status of the speedstep-centrino.c
> file. But:
> 1) I don't have that file, neiher nothing in the cited directory
> 2) He says that with kernel 2.6.9 this issue is resolved, but i'm still
> having the same problem, maybe it's not implemented in this Fedora kernel
> yet?.

I run FC3 on a Thinkpad R51 with Dothan CPU utilizing 
2.6.10-1.737_FC3. I have the appropriate files in /sys:
/sys/devices/system/cpu/cpu0/cpufreq
drwxr-xr-x  2 root root    0 Jan 11 14:19 .
drwxr-xr-x  3 root root    0 Jan 11 10:56 ..
-r--r--r--  1 root root 4096 Jan 11 14:19 affected_cpus
-r--------  1 root root 4096 Jan 11 14:19 cpuinfo_cur_freq
-r--r--r--  1 root root 4096 Jan 11 14:19 cpuinfo_max_freq
-r--r--r--  1 root root 4096 Jan 11 14:19 cpuinfo_min_freq
-r--r--r--  1 root root 4096 Jan 11 14:19 scaling_available_frequencies
-r--r--r--  1 root root 4096 Jan 11 14:19 scaling_available_governors
-r--r--r--  1 root root 4096 Jan 11 14:19 scaling_cur_freq
-r--r--r--  1 root root 4096 Jan 11 14:19 scaling_driver
-rw-r--r--  1 root root 4096 Jan 11 14:19 scaling_governor
-rw-r--r--  1 root root 4096 Jan 11 14:19 scaling_max_freq
-rw-r--r--  1 root root 4096 Jan 11 14:19 scaling_min_freq
-rw-r--r--  1 root root    0 Jan 11 14:17 scaling_setspeed

Maybe just try to update the kernel via yum.






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