The NUMA node information for PCI devices provided through sysfs is invalid for AMD Opteron(TM) Processor 62xx and 63xx on Red Hat Enterprise Linux 6.
Issue
- The NUMA node information for PCI devices provided through sysfs is invalid for AMD Opteron(TM) Processor 62xx and 63xx on Red Hat Enterprise Linux 6.
Eg: 1
# cat /proc/cpuinfo | grep "model name" | uniq
model name : AMD Opteron(TM) Processor 6276
# find /sys/ -name "numa_node" | while read fname; do cat $fname; done|uniq
-1
Eg: 2
# cat /proc/cpuinfo | grep "model name" | uniq
model name : AMD Opteron(tm) Processor 6376
# find /sys/ -name "numa_node" | while read fname; do cat $fname; done | uniq
-1
Environment
- Red Hat Enterprise Linux 6.4
- AMD Opteron(TM) Processor 62xx
- AMD Opteron(tm) Processor 63xx
- HP ProLiant DL585 G7
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