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[Bug 1777131] Re: Wrong RAM size shown for server

 

Upstream bug : https://ezix.org/project/ticket/662
Upstream commit : https://ezix.org/src/pkg/lshw/commit/640615983fbf976e66931164a9ae1bd64da9668b

I'm working on a backport fix for Xenial.

# git describe --contains 6406159
B.02.17~26

# rmadison
=>  lshw | 02.17-1.1ubuntu3.5       | xenial-updates 
    lshw | 02.18-0.1ubuntu6         | bionic         
    lshw | 02.18-0.1ubuntu6.18.04.1 | bionic-updates 
    lshw | 02.18-0.1ubuntu7         | cosmic         
    lshw | 02.18-0.1ubuntu7         | disco          
    lshw | 02.18.85-0.1ubuntu1      | eoan           


** Bug watch added: Ezix Trac #662
   http://ezix.org/project/ticket/662

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

** Changed in: lshw (Ubuntu)
       Status: Confirmed => Fix Released

** Changed in: lshw (Ubuntu Xenial)
     Assignee: (unassigned) => Eric Desrochers (slashd)

** Changed in: lshw (Ubuntu Xenial)
   Importance: Undecided => Medium

** Changed in: lshw (Ubuntu Xenial)
       Status: New => In Progress

** Tags added: sts

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https://bugs.launchpad.net/bugs/1777131

Title:
  Wrong RAM size shown for server

Status in MAAS:
  Invalid
Status in lshw package in Ubuntu:
  Fix Released
Status in lshw source package in Xenial:
  In Progress

Bug description:
  Currently MAAS relies on DMI for the info about RAM size.
  DMI seems not to be always correct, this results in wrong RAM amount shown in the MAAS UI.

  In my case :

  ......
  handle: DMI:0017
              - lshw:description:
                DIMM Synchronous 2666 MHz (0.4 ns)
              - lshw:product:
                M386A8K40BM2-CTD
              - lshw:vendor:
                Samsung
              - lshw:physid:
                0
              - lshw:serial:
                375610DE
              - lshw:slot:
                P1-DIMMA1
              - lshw:size:
                units: bytes
                34358689792
  ......

  full machine yaml : https://pastebin.canonical.com/p/TqpvzXj2sx/

  However product M386A8K40BM2-CTD is actually 64GB:
  https://memory.net/product/m386a8k40bm2-ctd-samsung-1x-64gb-ddr4-2666-lrdimm-pc4-21300v-l-quad-rank-x4-module/

  I have 12 of those, and on boot it shows me the correct amount 12 *
  64GB:

  ubuntu:~$ dmesg | grep Memory
  [    0.000000] Memory: 791161372K/803909324K available (8541K kernel code, 1313K rwdata, 4000K rodata, 1512K init, 1316K bss, 12747952K reserved, 0K cma-reserved)

  ubuntu:~$ free -m
                total        used        free      shared  buff/cache   available
  Mem:         772658        3828      768156          18         672      766751
  Swap:          8191           0        8191

  ----------------------------------------------------------------

  /var/log/maas : https://private-
  fileshare.canonical.com/~dima/varlogmaas-15062018.tar

  ubuntu$  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
  +++-===============================-====================================-============-=============================================
  un  maas                            <none>                               <none>       (no description available)
  ii  maas-cli                        2.3.3-6498-ge4db91d-0ubuntu1~16.04.1 all          MAAS client and command-line interface
  un  maas-cluster-controller         <none>                               <none>       (no description available)
  ii  maas-common                     2.3.3-6498-ge4db91d-0ubuntu1~16.04.1 all          MAAS server common files
  ii  maas-dhcp                       2.3.3-6498-ge4db91d-0ubuntu1~16.04.1 all          MAAS DHCP server
  ii  maas-dns                        2.3.3-6498-ge4db91d-0ubuntu1~16.04.1 all          MAAS DNS server
  ii  maas-proxy                      2.3.3-6498-ge4db91d-0ubuntu1~16.04.1 all          MAAS Caching Proxy
  ii  maas-rack-controller            2.3.3-6498-ge4db91d-0ubuntu1~16.04.1 all          Rack Controller for MAAS
  ii  maas-region-api                 2.3.3-6498-ge4db91d-0ubuntu1~16.04.1 all          Region controller API service for MAAS
  ii  maas-region-controller          2.3.3-6498-ge4db91d-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             2.3.3-6498-ge4db91d-0ubuntu1~16.04.1 all          MAAS server Django web framework (Python 3)
  ii  python3-maas-client             2.3.3-6498-ge4db91d-0ubuntu1~16.04.1 all          MAAS python API client (Python 3)
  ii  python3-maas-provisioningserver 2.3.3-6498-ge4db91d-0ubuntu1~16.04.1 all          MAAS server provisioning libraries (Python 3)

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