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[Launchpad Bug Tracker <1634132@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package makedumpfile - 1.5.5-2ubuntu1.6

---------------
makedumpfile (1.5.5-2ubuntu1.6) trusty; urgency=medium

  * Remove hugepages/hugepagesz from kdump's cmdline. (LP: #1634132)

 -- Chris J Arges <chris.j.arges@xxxxxxxxxx>  Wed, 19 Oct 2016 08:05:16
-0500

** Changed in: makedumpfile (Ubuntu Trusty)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1634132

Title:
  using hugepages/hugepagesz causes kexec'd kernel to OOM

Status in makedumpfile package in Ubuntu:
  Fix Released
Status in makedumpfile source package in Trusty:
  Fix Released
Status in makedumpfile source package in Xenial:
  Fix Released
Status in makedumpfile source package in Yakkety:
  Fix Released
Status in makedumpfile source package in Zesty:
  Fix Released

Bug description:
  [Impact]
  Users of kdump won't be able to dump if their system uses hugepages/hugepagesz on the cmdline.

  [Test Case]
  1) Install crashdump
  2) Boot machine with hugepages= or hugepagesz= set to a significant amount of memory
  3) Try to crash with 'echo 'c' | sudo tee /proc/sysrq-trigger'

  [Regression Potential]
  If users really want to have hugepages/hugepagesz on the kexec'd kernel for kdump they can add this via KDUMP_CMDLINE_APPEND in /etc/default/kdump-tools.
  This patch should also potentially go upstream.

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