group.of.nepali.translators team mailing list archive

[Robie Basak <1700373@xxxxxxxxxxxxxxxxxx>]

16:58 <rbasak> xnox: not doing Trusty?

17:00 <xnox> rbasak, nope.

17:01 <xnox> rbasak, these new microcodes require early initramfs
loading code; which is not in trusty. And I don't think intel-microcode
is widely installed in trusty.

17:02 <xnox> rbasak, in xenial we have started automated intel-microcode
installation with ubuntu-drivers

I'm not sure what "require early initramfs loading code" means exactly.
Does that mean that approach B cannot work? What about approach A?

I think we should be clear to users on expectations for Trusty though.
So I'll open a task, which we can set to Triaged, Won't Fix or In
Progress as appropriate.

** Also affects: intel-microcode (Ubuntu Trusty)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1700373

Title:
  Please update microcode to version 20170511 on all supported platforms

Status in intel-microcode package in Ubuntu:
  Fix Released
Status in intel-microcode source package in Trusty:
  New
Status in intel-microcode source package in Xenial:
  In Progress
Status in intel-microcode source package in Yakkety:
  In Progress
Status in intel-microcode source package in Zesty:
  In Progress
Status in intel-microcode source package in Artful:
  Fix Released

Bug description:
  [Impact]

  * A security fix has been made available as part of intel-microcode
  * It is advisable to apply it
  * Thus an SRU of the latest intel-microcode is desirable for all stable releases

  [Test Case]

  * Upgrade intel-microcode package, if it is already installed / one is
  running on Intel CPUs

  * Reboot and verify no averse results, and/or that microcode for your
  cpu was loaded by expecting

  [Test case reporting]
  * Please paste the output of:

  dpkg-query -W intel-microcode
  journalctl -k | grep microcode

  [Regression Potential]
  Microcode are proprietary blobs, and can cause any number of new errors and regressions. Microcode bugs have been reported before, therefore longer than usual phasing and monitoring of intel-microcode bugs should be done with extra care.

  [Original bug report]

  NB: I am *not* directly affected by this bug.

  Henrique emailed a warning to Debian devel today [1] on a potentially
  serious issue with (sky|kaby)lake processors. Excerpt:

  "This warning advisory is relevant for users of systems with the Intel
  processors code-named "Skylake" and "Kaby Lake".  These are: the 6th and
  7th generation Intel Core processors (desktop, embedded, mobile and
  HEDT), their related server processors (such as Xeon v5 and Xeon v6), as
  well as select Intel Pentium processor models.

  TL;DR: unfixed Skylake and Kaby Lake processors could, in some
  situations, dangerously misbehave when hyper-threading is enabled.
  Disable hyper-threading immediately in BIOS/UEFI to work around the
  problem.  Read this advisory for instructions about an Intel-provided
  fix."

  It is probably a good idea to:
  (1) issue a warning to our users about this;
  (2) update intel-microcode on all our supported releases

  I leave the discussion on whether this can have security implications
  to others.

  [1] https://lists.debian.org/debian-devel/2017/06/msg00308.html

  ProblemType: Bug
  DistroRelease: Ubuntu 17.04
  Package: intel-microcode 3.20161104.1
  ProcVersionSignature: Ubuntu 4.10.0-24.28-generic 4.10.15
  Uname: Linux 4.10.0-24-generic x86_64
  ApportVersion: 2.20.4-0ubuntu4.1
  Architecture: amd64
  CurrentDesktop: Unity:Unity7
  Date: Sun Jun 25 10:14:19 2017
  InstallationDate: Installed on 2017-05-26 (30 days ago)
  InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
  SourcePackage: intel-microcode
  UpgradeStatus: No upgrade log present (probably fresh install)

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