[Bug 14117] New: cpufreq: change failed

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Ubuntu | linux-meta

           Summary: cpufreq: change failed
           Product: Ubuntu
           Version: unspecified
          Platform: i386
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: linux-meta
        AssignedTo: debzilla at ubuntu.com
        ReportedBy: miffe-miffe at telia.com
         QAContact: kernel-bugs at lists.ubuntu.com


On my laptop, a Dell latitude CPXj. Using kernel linux-image-2.6.12-7-686
version 2.6.12-7.11 and some earlier versions, i get these messages such as
these in kern.log:

Aug 25 02:34:16 localhost kernel: [4296516.625000] cpufreq: change failed with
new_state 0 and result 0
Aug 25 02:34:19 localhost kernel: [4296519.623000] cpufreq: change failed with
new_state 1 and result 0
Aug 25 02:34:51 localhost kernel: [4296551.570000] cpufreq: change failed with
new_state 0 and result 0
Aug 25 02:34:54 localhost kernel: [4296554.544000] cpufreq: change failed with
new_state 1 and result 0
Aug 25 02:35:14 localhost kernel: [4296574.703000] cpufreq: change failed with
new_state 0 and result 0
Aug 25 02:35:19 localhost kernel: [4296579.995000] cpufreq: change failed with
new_state 1 and result 0
Aug 25 02:36:27 localhost kernel: [4296647.599000] cpufreq: change failed with
new_state 0 and result 0
Aug 25 02:36:29 localhost kernel: [4296649.580000] cpufreq: change failed with
new_state 1 and result 0
Aug 25 02:36:49 localhost kernel: [4296669.652000] cpufreq: change failed with
new_state 0 and result 0
Aug 25 02:36:53 localhost kernel: [4296673.776000] cpufreq: change failed with
new_state 1 and result 0


And everytime it appears, the computer stops for a second or two, which is very
annoying.
Im guessing this computer is incompatible with the speedstep_smi driver which is
the one loaded.

lsmod | egrep 'cpu|speed' | sort
cpufreq_conservative     6948  0
cpufreq_ondemand        6044  0
cpufreq_powersave       1696  0
cpufreq_stats           5252  0
cpufreq_userspace       4316  1
freq_table              4388  2 speedstep_smi,cpufreq_stats
speedstep_lib           4228  1 speedstep_smi
speedstep_smi           5680  0


cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 8
model name      : Pentium III (Coppermine)
stepping        : 6
cpu MHz         : 498.490
cache size      : 256 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat
pse36 mmx fxsr sse
bogomips        : 989.34

Could the speedstep_smi driver be blacklisted for this computer model or is
there any other way to fix this?
Please tell me if you need more information.

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