On 03/10/2011 06:54 AM, Dan Ritter wrote: > On Wed, Mar 09, 2011 at 11:11:11PM -0500, David Kramer wrote: >> On 03/09/2011 12:13 PM, Nuno Sucena Almeida wrote: >>> On Sunday, March 06, 2011 11:42:58 PM David Kramer wrote: >>>> What else can I try? >>> >>> As a temporary measure you can try to disable power saving from the >>> computer >>> BIOS ? >>> I did a quick search and found the following bug >>> <https://bugs.launchpad.net/ubuntu/+source/cpufreqd/+bug/637845> >>> >>> and from comment #12 onwards: >>> >>> <https://bugs.launchpad.net/ubuntu/+source/cpufreqd/+bug/637845/comments/12> >>> " >>> To see if you have the same problem, do a: >>> $ cat /sys/devices/system/cpu/cpu0/cpufreq/bios_limit >>> In my case, anything less than 2400000 means the workaround is necessary. >> >> Hmm. I don't even have that file. > > Sounds like you haven't loaded the appropriate module to control > your CPU's power saving feature. > > What CPU? From /proc/cpuinfo, please?
I thought the problem is it's controlling the speed *too much*. This is a Del Latitude D820 # cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz stepping : 6 cpu MHz : 1000.000 cache size : 4096 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm tpr_shadow bogomips : 3994.80 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz stepping : 6 cpu MHz : 1000.000 cache size : 4096 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 apicid : 1 initial apicid : 1 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm tpr_shadow bogomips : 3994.59 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: _______________________________________________ Discuss mailing list [email protected] http://lists.blu.org/mailman/listinfo/discuss
