[kernel-xen] NR_CPUS limit in kernel, only recognize 8 processers
netwiz at crc.id.au
Fri Jun 14 15:52:27 EST 2013
On 14/06/2013 2:05 PM, Dong Lei wrote:
> 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?
Check the full changelogs:
* Sun Apr 28 2013 Steven Haigh <netwiz at crc.id.au> - 3.8.10-1
- Update to kernel 3.8.10
- Change CONFIG_NR_CPUS to 32
- Change CONFIG_HOTPLUG_PCI_PCIE to m to address RH BZ#908023
Anything beyond 3.8.10-1 has this fixed.
Email: netwiz at crc.id.au
Phone: (03) 9001 6090 - 0412 935 897
Fax: (03) 8338 0299
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