kernel-packages team mailing list archive

[Luis Henriques <luis.henriques@xxxxxxxxxxxxx>]

Public bug reported:

Commit 47d68979cc96 ("md/raid0: fix bug with chunksize not a power of
2.") introduced in v4.1 development has been picked by stable trees, and
is causing issues (see
https://bugzilla.kernel.org/show_bug.cgi?id=98501).

This commit has been dropped from Vivid and Utopic when pulling the
changes from stable trees 3.19.7 and 3.16.7-ckt11 respectively (bug
#1454699 and bug #1454202).

The fix for this issue is not upstream yet, and should be picked by
stable trees.  Here's the link for the proposed fix:
http://git.neil.brown.name/?p=md.git;a=commitdiff;h=a81157768a00e8cf8a7b43b5ea5cac931262374f

break-fix: 47d68979cc968535cb87f3e5f2e6a3533ea48fbd -

** Affects: linux (Ubuntu)
     Importance: High
     Assignee: Leann Ogasawara (leannogasawara)
         Status: In Progress

** Affects: linux (Ubuntu Utopic)
     Importance: Undecided
     Assignee: Luis Henriques (henrix)
         Status: Triaged

** Affects: linux (Ubuntu Vivid)
     Importance: Undecided
     Assignee: Luis Henriques (henrix)
         Status: Triaged

** Affects: linux (Ubuntu Wily)
     Importance: High
     Assignee: Leann Ogasawara (leannogasawara)
         Status: In Progress

** Also affects: linux (Ubuntu Wily)
   Importance: Undecided
     Assignee: Luis Henriques (henrix)
       Status: Triaged

** Also affects: linux (Ubuntu Utopic)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Vivid)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Vivid)
       Status: New => Triaged

** Changed in: linux (Ubuntu Utopic)
       Status: New => Triaged

** Changed in: linux (Ubuntu Vivid)
     Assignee: (unassigned) => Luis Henriques (henrix)

** Changed in: linux (Ubuntu Utopic)
     Assignee: (unassigned) => Luis Henriques (henrix)

** Changed in: linux (Ubuntu Wily)
     Assignee: Luis Henriques (henrix) => (unassigned)

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https://bugs.launchpad.net/bugs/1457510

Title:
  md raid0 w/ fstrim causing data loss

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Utopic:
  Triaged
Status in linux source package in Vivid:
  Triaged
Status in linux source package in Wily:
  In Progress

Bug description:
  Commit 47d68979cc96 ("md/raid0: fix bug with chunksize not a power of
  2.") introduced in v4.1 development has been picked by stable trees,
  and is causing issues (see
  https://bugzilla.kernel.org/show_bug.cgi?id=98501).

  This commit has been dropped from Vivid and Utopic when pulling the
  changes from stable trees 3.19.7 and 3.16.7-ckt11 respectively (bug
  #1454699 and bug #1454202).

  The fix for this issue is not upstream yet, and should be picked by
  stable trees.  Here's the link for the proposed fix:
  http://git.neil.brown.name/?p=md.git;a=commitdiff;h=a81157768a00e8cf8a7b43b5ea5cac931262374f

  break-fix: 47d68979cc968535cb87f3e5f2e6a3533ea48fbd -

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