[kernel-xen] NR_CPUS limit in kernel, only recognize 8 processers

Dong Lei boydc2011 at gmail.com
Fri Jun 14 14:05:48 EST 2013

i use 3.8.3_1 on a server with 24 processers, but with

$cat /proc/cpuinfo | grep processer

i only get 8 processers.

$dmesg  shows me

NR_CPUS / possible cpu limit 8 reached, ignore ***

After digging this on google, it seems to be a config for kernel when

Does the new version of kernel fix this?

or there is other solutions?

Thanx in advance.
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