[Bug 1428811] [NEW] Trusty hwe kernel (utopic) gpio shutdown trigger for ProLiant m400 cartridges

[Craig Magina]

Public bug reported:

This is an additional change following after the m800 bug (LP: #1347776)
and m400 bug (LP: #1354306), udev/systemd needs a rule to cover
triggering a graceful shutdown on the HP Proliant m400 Cartridge when
running the utopic hwe kernel in trusty.

[Impact]
Currently, graceful shutdown via the iLO works when running the base trusty kernel, but if the hwe kernel is installed, it stops.

[Test Case]
Initiate a graceful shutdown via the iLO.

[Regression Potential]
The new rule is pretty tightly bound to the m400 system - so the risk of this rule matching and impacting behavior on a different platform is minimal. This will presumably cause new code to run and read /proc/device-tree/model on other platforms - but this is already done for the m800 system in both utopic and trusty as well as the 3.13.0 kernel m400 rule.

** Affects: systemd (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1428811

Title:
  Trusty hwe kernel (utopic) gpio shutdown trigger for ProLiant m400
  cartridges

Status in systemd package in Ubuntu:
  New

Bug description:
  This is an additional change following after the m800 bug (LP:
  #1347776) and m400 bug (LP: #1354306), udev/systemd needs a rule to
  cover triggering a graceful shutdown on the HP Proliant m400 Cartridge
  when running the utopic hwe kernel in trusty.

  [Impact]
  Currently, graceful shutdown via the iLO works when running the base trusty kernel, but if the hwe kernel is installed, it stops.

  [Test Case]
  Initiate a graceful shutdown via the iLO.

  [Regression Potential]
  The new rule is pretty tightly bound to the m400 system - so the risk of this rule matching and impacting behavior on a different platform is minimal. This will presumably cause new code to run and read /proc/device-tree/model on other platforms - but this is already done for the m800 system in both utopic and trusty as well as the 3.13.0 kernel m400 rule.

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