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[dann frazier <dann.frazier@xxxxxxxxxxxxx>]

** Summary changed:

- Support booting from ehci-msm attached storage
+ Support root on ehci-msm attached storage

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https://bugs.launchpad.net/bugs/1588946

Title:
  Support root on ehci-msm attached storage

Status in initramfs-tools package in Ubuntu:
  In Progress
Status in linux package in Ubuntu:
  Confirmed
Status in initramfs-tools source package in Xenial:
  Confirmed
Status in linux source package in Xenial:
  New

Bug description:
  [Impact]
  If you install Ubuntu onto USB storage behind a Qualcomm QSD/MSM USB host controller, it will not be able to boot because the generated initramfs will not include the host controller driver.

  [Test Case]
  Install to a USB stick attached to QSD/MSM controller and reboot. Booting will fail because it will be unable to find the root file system.

  [Regression Risk]
  This driver is only available on ARM platforms, minimizing the impact to all other architectures.

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