kernel-packages team mailing list archive

[Daniel Lombraña González <teleyinex@xxxxxxxxx>]

Public bug reported:

I've updated today to the latest available kernel in the repositories
(Ubuntu 13.10) and I can only see one CPU and core in my machine.

I've done a cat /proc/cpuinfo and this is what I get:

processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 23
model name	: Intel(R) Core(TM)2 Duo CPU     P8800  @ 2.66GHz
stepping	: 10
microcode	: 0xa07
cpu MHz		: 2660.000
cache size	: 3072 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 13
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 nopl aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm dtherm tpr_shadow vnmi flexpriority
bogomips	: 5309.50
clflush size	: 64
cache_alignment	: 64
address sizes	: 36 bits physical, 48 bits virtual
power management:


Which is strange, as it is a Core duo machine. Anyone knows what is going on?

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1293520

Title:
  Kernel 3.11.0-19-generic #33-Ubuntu SMP only reports one core

Status in “linux” package in Ubuntu:
  New

Bug description:
  I've updated today to the latest available kernel in the repositories
  (Ubuntu 13.10) and I can only see one CPU and core in my machine.

  I've done a cat /proc/cpuinfo and this is what I get:

  processor	: 0
  vendor_id	: GenuineIntel
  cpu family	: 6
  model		: 23
  model name	: Intel(R) Core(TM)2 Duo CPU     P8800  @ 2.66GHz
  stepping	: 10
  microcode	: 0xa07
  cpu MHz		: 2660.000
  cache size	: 3072 KB
  physical id	: 0
  siblings	: 1
  core id		: 0
  cpu cores	: 1
  apicid		: 0
  initial apicid	: 0
  fpu		: yes
  fpu_exception	: yes
  cpuid level	: 13
  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 nopl aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm dtherm tpr_shadow vnmi flexpriority
  bogomips	: 5309.50
  clflush size	: 64
  cache_alignment	: 64
  address sizes	: 36 bits physical, 48 bits virtual
  power management:

  
  Which is strange, as it is a Core duo machine. Anyone knows what is going on?

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