Hi,
I'm running 2 dual quad core Xeon 5506 systems - identical specs and identical problems.
I am currently running 2.6.18-194.26.1.el5xen though I have also tried running a non-Xen kernel and a later Xen kernel.
Here is the output of cat /proc/cpuinfo:
Quote:
[root@KSP-R2-COL2 cpu1]# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Genuine Intel(R) CPU @ 0000 @ 2.13GHz
stepping : 2
cpu MHz : 2133.408
cache size : 4096 KB
physical id : 0
siblings : 1
core id : 0
cpu cores : 1
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu tsc msr pae cx8 apic mtrr cmov pat clflush acpi mmx fxsr sse sse2 ss ht syscall nx lm constant_tsc pni vmx est ssse3 cx16 sse4_1 sse4_2 popcnt lahf_lm
bogomips : 5335.60
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Genuine Intel(R) CPU @ 0000 @ 2.13GHz
stepping : 2
cpu MHz : 2133.408
cache size : 4096 KB
physical id : 1
siblings : 1
core id : 0
cpu cores : 1
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu tsc msr pae cx8 apic mtrr cmov pat clflush acpi mmx fxsr sse sse2 ss ht syscall nx lm constant_tsc pni vmx est ssse3 cx16 sse4_1 sse4_2 popcnt lahf_lm
bogomips : 5335.60
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
|
Clearly there are 2 problems here:
1) It is only showing 2 cores on an octal core machine,
2) The CPU model number is "CPU @ 0000" and not "Xeon 5506 @ 2.13GHz"
Motherboard is Supermicro X8DTT-IBXF.
Xen DomUs can see 8 cores but still see @ 0000.
I don't think this is faulty hardware since both of these nodes were working fine before we did a CentOS reinstall.
Any ideas why only 2 cores with the wrong info are being shown?