kernel-packages team mailing list archive

[Leann Ogasawara <leann.ogasawara@xxxxxxxxxxxxx>]

Hi,

I believe this fix was picked up via bug
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1508133 ("Trusty
update to 3.16.7-ckt18 stable release").  Upon examination of the lts-
backport-utopic branch in Trusty, I see the following:

https://git.launchpad.net/~ubuntu-
kernel/ubuntu/+source/linux/+git/trusty/commit/?h=lts-backport-
utopic&id=360167ee41c46b271680cff869d48ed981691be9

~/ubuntu-trusty$ git describe --contains 360167ee41c46b271680cff869d48ed981691be9
Ubuntu-lts-3.16.0-52.70_14.04.1~78

commit 360167ee41c46b271680cff869d48ed981691be9
Author: Jan H. Schönherr <jschoenh@xxxxxxxxx>
Date:   Wed Aug 12 21:35:56 2015 +0200

    sched: Fix cpu_active_mask/cpu_online_mask race
    
    BugLink: http://bugs.launchpad.net/bugs/1508133
    
    commit dd9d3843755da95f63dd3a376f62b3e45c011210 upstream.

Can you confirm that users still experiencing an issue have updated to
at least a linux-lts-utopic-3.16.0-52.70~14.04.1 or newer kernel?

https://launchpad.net/ubuntu/+source/linux-lts-
utopic/3.16.0-52.70~14.04.1

Thanks in advance.

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

** Changed in: linux (Ubuntu)
     Assignee: Joseph Salisbury (jsalisbury) => (unassigned)

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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1527748

Title:
  lts-utopic kernel needs boot-up race condition fix.

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  The underlying kernel bug was originally reported and fixed here:
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1508609

  The bug was fixed confirmed not present in the original trusty kernel
  and has been fixed in vivid and wily, but was not addressed in utopic
  as it has EOL.

  If my understanding is correct, while Utopic has EOL, the lts-utopic
  hwe kernel is expected to be supported until the final Trusty release
  (14.04.05) next summer.  Can we have the original kernel issue also
  addressed in lts-utopic (assuming it hasn't been already?).  We are
  seeing users running this kernel on trusty systems and they still
  appear to be affected.

  Thanks!

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