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Old 03-03-2006, 10:20 AM   #1
xerophyte
LQ Newbie
 
Registered: Dec 2003
Location: Toronto,Ontario,Canada
Posts: 18

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Missing CPU in /proc/cpuinfo


I have compiled 2.6.15.x server with Intel xeon 2.4xMhz with all the smp and HT option in the kernel, when boot with my new kernel. I am only getting one CPU in the cat /proc/cpuinfo. But when i boot with my old kernel which is 2.6.11 which gives me 2 CPUS. Does anybody know what has been changed and what am i missing in my kernel??

server info :

uname -a
Linux atrium.2secure-dns.com 2.6.15 #1 SMP Wed Jan 11 18:05:13 MST 2006 i686 i686 i386 GNU/Linux]

Kernel Config option :
Code:
grep CONFIG_X86_SMP .config
CONFIG_X86_SMP=y
grep CONFIG_X86_HT .config
CONFIG_X86_HT=y
grep CONFIG_SMP .config
CONFIG_SMP=y
Code:
cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Xeon(TM) CPU 2.66GHz
stepping : 5
cpu MHz : 2667.341
cache size : 512 KB
physical id : 0
siblings : 1
core id : 0
cpu cores : 1
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 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid xtpr
bogomips : 5341.49
Grub boot option :
tried the following :
Code:
kernel /vmlinuz-2.6.15.5-lnc ro noapic root=/dev/sda3
kernel /vmlinuz-2.6.15.5-lnc ro root=/dev/sda3
Does anybody know why am i missing other cpu in the cat /proc/cpuinfo

Thanks in advance
 
  


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