[Bug 1637570] Re: [2.1] Cavium ThunderX system with 128GigB of memory is reported as having 125.9GigB of memory in MAAS after commissioning

[Andres Rodriguez]

Right, so this is a bug in LSHW and NOT in MAAS.

** Also affects: lshw (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: maas
       Status: New => Won't Fix

** Summary changed:

- [2.1] Cavium ThunderX system with 128GigB of memory is reported as having 125.9GigB of memory in MAAS after commissioning
+ [2.1] Cavium ThunderX system with 128GigB of memory is reported as having 125.9GigB of memory

** Summary changed:

- [2.1] Cavium ThunderX system with 128GigB of memory is reported as having 125.9GigB of memory
+ Cavium ThunderX system with 128GigB of memory is reported as having 125.9GigB of memory

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Title:
  Cavium ThunderX system with 128GigB of memory is reported as having
  125.9GigB of memory

Status in MAAS:
  Won't Fix
Status in lshw package in Ubuntu:
  New

Bug description:
  I have commissioned some ThunderX systems and maas is reporting
  125.9GiB of memory for them instead of 128 GigB.

  Machine summary
  CPU 48 cores RAM 125.9GiB Storage 4500.9GB over 2 disks

  From lshw output:

  <lshw:node id="memory" claimed="true" class="memory" handle="">
  <lshw:description>System memory</lshw:description>
  <lshw:physid>3f</lshw:physid>
  <lshw:size units="bytes">135155974144</lshw:size>
  </lshw:node>

  ubuntu at maas2-production:~$ dpkg -l '*maas*'|cat
  Desired=Unknown/Install/Remove/Purge/Hold
  | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
  |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
  ||/ Name                            Version                        Architecture Description
  +++-===============================-==============================-============-=================================================
  ii  maas                            2.1.0+bzr5480-0ubuntu1~16.04.1 all          "Metal as a Service" is a physical cloud and IPAM
  ii  maas-cli                        2.1.0+bzr5480-0ubuntu1~16.04.1 all          MAAS client and command-line interface
  un  maas-cluster-controller         <none>                         <none>       (no description available)
  ii  maas-common                     2.1.0+bzr5480-0ubuntu1~16.04.1 all          MAAS server common files
  ii  maas-dhcp                       2.1.0+bzr5480-0ubuntu1~16.04.1 all          MAAS DHCP server
  ii  maas-dns                        2.1.0+bzr5480-0ubuntu1~16.04.1 all          MAAS DNS server
  ii  maas-proxy                      2.1.0+bzr5480-0ubuntu1~16.04.1 all          MAAS Caching Proxy
  ii  maas-rack-controller            2.1.0+bzr5480-0ubuntu1~16.04.1 all          Rack Controller for MAAS
  ii  maas-region-api                 2.1.0+bzr5480-0ubuntu1~16.04.1 all          Region controller API service for MAAS
  ii  maas-region-controller          2.1.0+bzr5480-0ubuntu1~16.04.1 all          Region Controller for MAAS
  un  maas-region-controller-min      <none>                         <none>       (no description available)
  un  python-django-maas              <none>                         <none>       (no description available)
  un  python-maas-client              <none>                         <none>       (no description available)
  un  python-maas-provisioningserver  <none>                         <none>       (no description available)
  ii  python3-django-maas             2.1.0+bzr5480-0ubuntu1~16.04.1 all          MAAS server Django web framework (Python 3)
  ii  python3-maas-client             2.1.0+bzr5480-0ubuntu1~16.04.1 all          MAAS python API client (Python 3)
  ii  python3-maas-provisioningserver 2.1.0+bzr5480-0ubuntu1~16.04.1 all          MAAS server provisioning libraries (Python 3)

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