touch-packages team mailing list archive

[Matt Ezell <ezellma@xxxxxxxx>]

This was fixed upstream (http://git.kernel.org/cgit/utils/util-linux
/util-linux.git/) by commit e9074a167cb485fea91be2cb20f68e137b6d3246.
There have been many changes, so I don't think updating to the new
version is appropriate for a SRU.  To backport this, I had to also pull
in code from 416c43a9a5519ae0e4c91e075cf42c5cf0b5cbcb and
dd3bc51a539ffdd5c6c6b7d0b20acd1f61bdd337.

** Patch added: "lp1419503_trusty.debdiff"
   https://bugs.launchpad.net/ubuntu/+source/util-linux/+bug/1419503/+attachment/4314984/+files/lp1419503_trusty.debdiff

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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

Status in util-linux package in Ubuntu:
  New

Bug description:
  [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.

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