[Bug 614322] Re: libvirt not recognizing NUMA architecture

[Ralf Spenneberg]

I can confirm this and I am very dissapointed that still after more than a year this issue has not been fixed. 
I am currently running Ubuntu precise (development, the next lts) on 
HP DL 585 G2 with 4 Dual Cores  and thus 4 Numa cells.
Numactl shows the hardware:
# numactl --show
policy: default
preferred node: current
physcpubind: 0 1 2 3 4 5 6 7 
cpubind: 0 1 2 3 
nodebind: 0 1 2 3 
membind: 0 1 2 3 

virsh does not display the numa information:
# virsh nodeinfo
CPU model:           x86_64
CPU(s):              8
CPU frequency:       1000 MHz
CPU socket(s):       4
Core(s) per socket:  2
Thread(s) per core:  1
NUMA cell(s):        1
Memory size:         32948228 kB
# virsh freecell 0
error: this function is not supported by the connection driver: NUMA memory information not available on this platform

Just using numactl is no option if the guests are to be migrated. The
numa-placement needs to be handled by libvirt!

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https://bugs.launchpad.net/bugs/614322

Title:
  libvirt not recognizing NUMA architecture

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