kernel-packages team mailing list archive

[Colin Ian King <1578022@xxxxxxxxxxxxxxxxxx>]

@Jeff, the backport to the much older 2.x version of smbios is just too
intrusive and risky for me to deem this worthwhile; this is more like
adding a feature to the older version 2 of the code, which is outside of
the remit of a SRU, so for Trusty, I'm not going to SRU this.

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https://bugs.launchpad.net/bugs/1578022

Title:
  dmidecode fails to output smibios 3.0 info

Status in dmidecode package in Ubuntu:
  Fix Released
Status in dmidecode source package in Xenial:
  Fix Committed
Status in dmidecode source package in Yakkety:
  Fix Released

Bug description:
  [SRU JUSTIFICATION][XENIAL]

  Ubuntu 16.04, dmidecode 3.0-2 can display smibios 2.8 but not smibios
  3.0. Rhel 7.2 can display smibios 3.0 on the same system without a
  problem.

  [FIX]
  Let read_file return the actual data size
  http://git.savannah.gnu.org/cgit/dmidecode.git/commit/?id=de9a74e1c60210bee229fcf55b1678a99d1b44dd

  dmidecode: Use read_file() to read the DMI table from sysfs
  http://git.savannah.gnu.org/cgit/dmidecode.git/commit/?id=364055211b1956539c6a6268e111e244e1292c8c

  There's also a couple other SMBIOS 3.0 related fixes that is listed as
  recomended for 3.0 on http://dmidecode.nongnu.org/

  Fix 'No SMBIOS nor DMI entry point found' on SMBIOS3
  http://git.savannah.gnu.org/cgit/dmidecode.git/commit/?id=bf7bad24ce141dab5b5acc3ffb98ce5fe4a8e0f9

  Use DWORD for Structure table maximum size in SMBIOS3
  http://git.savannah.gnu.org/cgit/dmidecode.git/commit/?id=ab02b117511230e46bbef7febbd854b9c832c13c

  Without the fix, dmidecode fails to display SMBIOS 3.0 tables. With
  the fix the headers can be decoded correctly.

  [REGRESSION POTENTIAL]
  Could break existing dmi table decoding.  However, this has been tested on pre 3.0 and 3.0 SMBIOS tables, so the risk seems minimal as it works on a range of DMI table versions.

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