Public bug reported:
i use ubuntu 8.04. the /proc/cpuinfo is showing the wrong speed for my core2duo
processor.
itried checking this while i was running the live cd, then it was showing
2500mhz. but after installation when i checked i'm getting only 1596 mhz. would
like to know why..
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 23
model name : Intel(R) Core(TM)2 Duo CPU E7200 @ 2.53GHz
stepping : 6
cpu MHz : 1596.000
cache size : 3072 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 2
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm
constant_tsc arch_perfmon pebs bts rep_good pni monitor ds_cpl est tm2 ssse3
cx16 xtpr sse4_1 lahf_lm
bogomips : 5069.86
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 : 23
model name : Intel(R) Core(TM)2 Duo CPU E7200 @ 2.53GHz
stepping : 6
cpu MHz : 1596.000
cache size : 3072 KB
physical id : 0
siblings : 2
core id : 1
cpu cores : 2
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm
constant_tsc arch_perfmon pebs bts rep_good pni monitor ds_cpl est tm2 ssse3
cx16 xtpr sse4_1 lahf_lm
bogomips : 5066.57
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:
** Affects: ubuntu
Importance: Undecided
Status: New
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cpuinfo not reporting the correct speed for core 2 duo
https://bugs.launchpad.net/bugs/263155
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