linux-kernel - Re: In /proc/cpuinfo, all processor items show "0"

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Date:	Thu, 22 Nov 2007 14:12:20 +0530
From:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
To:	youquan_song@...ux.intel.com
CC:	linux-kernel@...r.kernel.org, youquan.song@...el.com
Subject: Re: In /proc/cpuinfo, all processor items show "0"

youquan_song@...ux.intel.com wrote:
> Build kernel 2.6.24-rc3,   cat /proc/cpuinfo,  all processor items show "0":
> 
> processor	: 0
> vendor_id	: GenuineIntel
> cpu family	: 15
> model		: 6
> model name	:                    Genuine Intel(R) CPU 3.40GHz
> stepping	: 8
> cpu MHz		: 3391.555
> cache size	: 16384 KB
> physical id	: 0
> siblings	: 4
> core id		: 0
> cpu cores	: 2
> fpu		: yes
> fpu_exception	: yes
> cpuid level	: 6
> 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 pebs bts sync_rdtsc pni monitor ds_cpl vmx est tm2 cid cx16
> xtpr lahf_lm
> bogomips	: 7465.18
> clflush size	: 64
> cache_alignment	: 128
> address sizes	: 40 bits physical, 48 bits virtual
> power management:
> 
> processor	: 0
> vendor_id	: GenuineIntel
> cpu family	: 15
> model		: 6
> model name	:                    Genuine Intel(R) CPU 3.40GHz
> stepping	: 8
> cpu MHz		: 3391.555
> cache size	: 16384 KB
> physical id	: 2
> siblings	: 4
> core id		: 0
> cpu cores	: 2
> fpu		: yes
> fpu_exception	: yes
> cpuid level	: 6
> 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 pebs bts sync_rdtsc pni monitor ds_cpl vmx est tm2 cid cx16
> xtpr lahf_lm
> bogomips	: 6782.81
> clflush size	: 64
> cache_alignment	: 128
> address sizes	: 40 bits physical, 48 bits virtual
> power management:
> 
> processor	: 0
> vendor_id	: GenuineIntel
> cpu family	: 15
> model		: 6
> model name	:                    Genuine Intel(R) CPU 3.40GHz
> stepping	: 8
> cpu MHz		: 3391.555
> cache size	: 16384 KB
> physical id	: 3
> siblings	: 4
> core id		: 1
> cpu cores	: 2
> fpu		: yes
> fpu_exception	: yes
> cpuid level	: 6
> 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 pebs bts sync_rdtsc pni monitor ds_cpl vmx est tm2 cid cx16
> xtpr lahf_lm
> bogomips	: 6782.80
> clflush size	: 64
> cache_alignment	: 128
> address sizes	: 40 bits physical, 48 bits virtual
> power management:
> 
> processor	: 0
> vendor_id	: GenuineIntel
> cpu family	: 15
> model		: 6
> model name	:                    Genuine Intel(R) CPU 3.40GHz
> stepping	: 8
> cpu MHz		: 3391.555
> cache size	: 16384 KB
> physical id	: 1
> siblings	: 4
> core id		: 1
> cpu cores	: 2
> fpu		: yes
> fpu_exception	: yes
> cpuid level	: 6
> 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 pebs bts sync_rdtsc pni monitor ds_cpl vmx est tm2 cid cx16
> xtpr lahf_lm
> bogomips	: 6782.79
> clflush size	: 64
> cache_alignment	: 128
> address sizes	: 40 bits physical, 48 bits virtual
> power management:
> 
> processor	: 0
> vendor_id	: GenuineIntel
> cpu family	: 15
> model		: 6
> model name	:                    Genuine Intel(R) CPU 3.40GHz
> stepping	: 8
> cpu MHz		: 3391.555
> cache size	: 16384 KB
> physical id	: 2
> siblings	: 4
> core id		: 1
> cpu cores	: 2
> fpu		: yes
> fpu_exception	: yes
> cpuid level	: 6
> 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 pebs bts sync_rdtsc pni monitor ds_cpl vmx est tm2 cid cx16
> xtpr lahf_lm
> bogomips	: 6782.80
> clflush size	: 64
> cache_alignment	: 128
> address sizes	: 40 bits physical, 48 bits virtual
> power management:
> 
> processor	: 0
> vendor_id	: GenuineIntel
> cpu family	: 15
> model		: 6
> model name	:                    Genuine Intel(R) CPU 3.40GHz
> stepping	: 8
> cpu MHz		: 3391.555
> cache size	: 16384 KB
> physical id	: 3
> siblings	: 4
> core id		: 0
> cpu cores	: 2
> fpu		: yes
> fpu_exception	: yes
> cpuid level	: 6
> 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 pebs bts sync_rdtsc pni monitor ds_cpl vmx est tm2 cid cx16
> xtpr lahf_lm
> bogomips	: 6782.80
> clflush size	: 64
> cache_alignment	: 128
> address sizes	: 40 bits physical, 48 bits virtual
> power management:
> 
> processor	: 0
> vendor_id	: GenuineIntel
> cpu family	: 15
> model		: 6
> model name	:                    Genuine Intel(R) CPU 3.40GHz
> stepping	: 8
> cpu MHz		: 3391.555
> cache size	: 16384 KB
> physical id	: 0
> siblings	: 4
> core id		: 1
> cpu cores	: 2
> fpu		: yes
> fpu_exception	: yes
> cpuid level	: 6
> 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 pebs bts sync_rdtsc pni monitor ds_cpl vmx est tm2 cid cx16
> xtpr lahf_lm
> bogomips	: 6782.74
> clflush size	: 64
> cache_alignment	: 128
> address sizes	: 40 bits physical, 48 bits virtual
> power management:
> 
> processor	: 0
> vendor_id	: GenuineIntel
> cpu family	: 15
> model		: 6
> model name	:                    Genuine Intel(R) CPU 3.40GHz
> stepping	: 8
> cpu MHz		: 3391.555
> cache size	: 16384 KB
> physical id	: 1
> siblings	: 4
> core id		: 0
> cpu cores	: 2
> fpu		: yes
> fpu_exception	: yes
> cpuid level	: 6
> 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 pebs bts sync_rdtsc pni monitor ds_cpl vmx est tm2 cid cx16
> xtpr lahf_lm
> bogomips	: 6782.81
> clflush size	: 64
> cache_alignment	: 128
> address sizes	: 40 bits physical, 48 bits virtual
> power management:
> 
> processor	: 0
> vendor_id	: GenuineIntel
> cpu family	: 15
> model		: 6
> model name	:                    Genuine Intel(R) CPU 3.40GHz
> stepping	: 8
> cpu MHz		: 3391.555
> cache size	: 16384 KB
> physical id	: 2
> siblings	: 4
> core id		: 0
> cpu cores	: 2
> fpu		: yes
> fpu_exception	: yes
> cpuid level	: 6
> 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 pebs bts sync_rdtsc pni monitor ds_cpl vmx est tm2 cid cx16
> xtpr lahf_lm
> bogomips	: 6782.81
> clflush size	: 64
> cache_alignment	: 128
> address sizes	: 40 bits physical, 48 bits virtual
> power management:
> 
> processor	: 0
> vendor_id	: GenuineIntel
> cpu family	: 15
> model		: 6
> model name	:                    Genuine Intel(R) CPU 3.40GHz
> stepping	: 8
> cpu MHz		: 3391.555
> cache size	: 16384 KB
> physical id	: 3
> siblings	: 4
> core id		: 1
> cpu cores	: 2
> fpu		: yes
> fpu_exception	: yes
> cpuid level	: 6
> 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 pebs bts sync_rdtsc pni monitor ds_cpl vmx est tm2 cid cx16
> xtpr lahf_lm
> bogomips	: 6782.81
> clflush size	: 64
> cache_alignment	: 128
> address sizes	: 40 bits physical, 48 bits virtual
> power management:
> 
> processor	: 0
> vendor_id	: GenuineIntel
> cpu family	: 15
> model		: 6
> model name	:                    Genuine Intel(R) CPU 3.40GHz
> stepping	: 8
> cpu MHz		: 3391.555
> cache size	: 16384 KB
> physical id	: 0
> siblings	: 4
> core id		: 0
> cpu cores	: 2
> fpu		: yes
> fpu_exception	: yes
> cpuid level	: 6
> 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 pebs bts sync_rdtsc pni monitor ds_cpl vmx est tm2 cid cx16
> xtpr lahf_lm
> bogomips	: 6782.96
> clflush size	: 64
> cache_alignment	: 128
> address sizes	: 40 bits physical, 48 bits virtual
> power management:
> 
> processor	: 0
> vendor_id	: GenuineIntel
> cpu family	: 15
> model		: 6
> model name	:                    Genuine Intel(R) CPU 3.40GHz
> stepping	: 8
> cpu MHz		: 3391.555
> cache size	: 16384 KB
> physical id	: 1
> siblings	: 4
> core id		: 1
> cpu cores	: 2
> fpu		: yes
> fpu_exception	: yes
> cpuid level	: 6
> 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 pebs bts sync_rdtsc pni monitor ds_cpl vmx est tm2 cid cx16
> xtpr lahf_lm
> bogomips	: 6782.82
> clflush size	: 64
> cache_alignment	: 128
> address sizes	: 40 bits physical, 48 bits virtual
> power management:
> 
> processor	: 0
> vendor_id	: GenuineIntel
> cpu family	: 15
> model		: 6
> model name	:                    Genuine Intel(R) CPU 3.40GHz
> stepping	: 8
> cpu MHz		: 3391.555
> cache size	: 16384 KB
> physical id	: 2
> siblings	: 4
> core id		: 1
> cpu cores	: 2
> fpu		: yes
> fpu_exception	: yes
> cpuid level	: 6
> 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 pebs bts sync_rdtsc pni monitor ds_cpl vmx est tm2 cid cx16
> xtpr lahf_lm
> bogomips	: 6782.81
> clflush size	: 64
> cache_alignment	: 128
> address sizes	: 40 bits physical, 48 bits virtual
> power management:
> 
> processor	: 0
> vendor_id	: GenuineIntel
> cpu family	: 15
> model		: 6
> model name	:                    Genuine Intel(R) CPU 3.40GHz
> stepping	: 8
> cpu MHz		: 3391.555
> cache size	: 16384 KB
> physical id	: 3
> siblings	: 4
> core id		: 0
> cpu cores	: 2
> fpu		: yes
> fpu_exception	: yes
> cpuid level	: 6
> 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 pebs bts sync_rdtsc pni monitor ds_cpl vmx est tm2 cid cx16
> xtpr lahf_lm
> bogomips	: 6782.81
> clflush size	: 64
> cache_alignment	: 128
> address sizes	: 40 bits physical, 48 bits virtual
> power management:
> 
> processor	: 0
> vendor_id	: GenuineIntel
> cpu family	: 15
> model		: 6
> model name	:                    Genuine Intel(R) CPU 3.40GHz
> stepping	: 8
> cpu MHz		: 3391.555
> cache size	: 16384 KB
> physical id	: 0
> siblings	: 4
> core id		: 1
> cpu cores	: 2
> fpu		: yes
> fpu_exception	: yes
> cpuid level	: 6
> 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 pebs bts sync_rdtsc pni monitor ds_cpl vmx est tm2 cid cx16
> xtpr lahf_lm
> bogomips	: 6782.74
> clflush size	: 64
> cache_alignment	: 128
> address sizes	: 40 bits physical, 48 bits virtual
> power management:
> 
> processor	: 0
> vendor_id	: GenuineIntel
> cpu family	: 15
> model		: 6
> model name	:                    Genuine Intel(R) CPU 3.40GHz
> stepping	: 8
> cpu MHz		: 3391.555
> cache size	: 16384 KB
> physical id	: 1
> siblings	: 4
> core id		: 0
> cpu cores	: 2
> fpu		: yes
> fpu_exception	: yes
> cpuid level	: 6
> 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 pebs bts sync_rdtsc pni monitor ds_cpl vmx est tm2 cid cx16
> xtpr lahf_lm
> bogomips	: 6782.79
> clflush size	: 64
> cache_alignment	: 128
> address sizes	: 40 bits physical, 48 bits virtual
> power management:

Hi,

This patch should help you http://marc.info/?l=linux-kernel&m=119392088227245.

-- 
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.
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