The NUMA node information for PCI devices provided through sysfs is invalid for Intel(R) family of processor on Red Hat Enterprise Linux 6.

Solution Unverified - Updated -

Issue

The NUMA node information for PCI devices provided through sysfs is invalid for Intel(R) family of processor on Red Hat Enterprise Linux 6.

Eg:

$ cat /proc/cpuinfo | grep "model name" | uniq
model name  : Intel(R) Xeon(R) CPU E5-2680 0 @ 2.70GHz
# find /sys/ -name "numa_node" | while read fname; do cat $fname; done
-1
-1

Environment

  • Red Hat Enterprise Linux 6.4
  • kernel-2.6.32-358.el6.x86_64
  • Intel(R) Xeon(R) CPU
  • HP ProLiant DL360 G7

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