[Bug 1373659] Re: HP Proliant m400 cartridges need custom kernel cmdline args

[dann frazier]

** Description changed:

  [Impact]
- HP ProLiant m400 cartridges currently require kernel commandline arguments to properly initialize hardware. pci=firmware needs to be passed to stop the kernel from reinitializing PCI resources, and rio-scan.static_enum=1/rio-scan.scan=0 need to be specified to do static enumeration of RapidIO.
+ PCI clocks get initialized incorrectly causing issues with PCI-attached devices (SATA and network). RapidIO devices take a very long time to initialize.
  
  [Test Case]
- TBD
+ Boot - verify that SATA and network work, and that RapidIO devices initialize quickly.
  
  [Regression Risk]
- TBD
+ These command line arguments are used in testing today, just injected in a different way, so risk is low.

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https://bugs.launchpad.net/bugs/1373659

Title:
  HP Proliant m400 cartridges need custom kernel cmdline args

Status in “flash-kernel” package in Ubuntu:
  New

Bug description:
  [Impact]
  PCI clocks get initialized incorrectly causing issues with PCI-attached devices (SATA and network). RapidIO devices take a very long time to initialize.

  [Test Case]
  Boot - verify that SATA and network work, and that RapidIO devices initialize quickly.

  [Regression Risk]
  These command line arguments are used in testing today, just injected in a different way, so risk is low.

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