Here are results with kernel 3.6
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# uname -a
Linux drodiger1 3.6.0-030600rc5-generic #201209082035 SMP Sun Sep 9 00:36:02 
UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

Until one batery gets to 34%, I can't change scaling_max_freq to
2534000.

root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# echo 2534000 > 
scaling_max_freq 
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# cat scaling_max_freq 
1199000
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# 21%
21%: command not found
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# echo 2534000 > 
scaling_max_freq 
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# cat scaling_max_freq 
1199000
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# 22%
22%: command not found
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# 24%
24%: command not found
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# echo 2534000 > 
scaling_max_freq 
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# cat scaling_max_freq 
1199000
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# 26%
26%: command not found
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# echo 2534000 > 
scaling_max_freq 
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# cat scaling_max_freq ž
1199000
cat: ž: No such file or directory
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# cat scaling_max_freq 
1199000         
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# 27%
27%: command not found
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# echo 2534000 > 
scaling_max_freq 
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# cat scaling_max_freq 
1199000
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# 29%
29%: command not found
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# echo 2534000 > 
scaling_max_freq 
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# cat scaling_max_freq 
1199000
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# 31%
31%: command not found
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# echo 2534000 > 
scaling_max_freq 
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# cat scaling_max_freq 
1199000

root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# 34%
34%: command not found
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# echo 2534000 > 
scaling_max_freq 
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq# cat scaling_max_freq 
2534000
root@drodiger1:/sys/devices/system/cpu/cpu0/cpufreq#

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https://bugs.launchpad.net/bugs/1050843

Title:
  scaling_max_freq always on lowest

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