Public bug reported:
[Impact]
Running 'lscpu' on a system with discontinuous NUMA nodes (such as some IBM
Power 8 hardware) will only display the continuous NUMA nodes. Users may be
confused due to incorrect information.
[Test Case]
On a system with discontinuous NUMA nodes, just run the lscpu command
# ls -d /sys/devices/system/node/node*
/sys/devices/system/node/node0 /sys/devices/system/node/node1
/sys/devices/system/node/node16 /sys/devices/system/node/node17
# lscpu|grep NUMA
NUMA node(s): 2
NUMA node0 CPU(s): 0-39
NUMA node1 CPU(s): 40-79
[Regression Potential]
Since this is an informational command, anything relying on its output may
experience new behavior.
This affects Trusty, but Utopic and Vivid are based on newer upstream
releases that don't include this error.
** Affects: util-linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1419503
Title:
[SRU] lscpu reports incorrect number of NUMA nodes on systems with
discontinuous NUMA nodes
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