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.ar...@ubuntu.com> 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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https://bugs.launchpad.net/ubuntu/+source/makedumpfile/+bug/1634132/+subscriptions
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