Taihsiang Ho (Canonical Cert) has performed the routine desktop
certification test plan for SRU, and reports NO REGRESSIONS from the
test kernel with this patch set:

------

Test release: 14.04.1

The base kernel: 3.13.0-133.182
The patch kernel: 3.13.0-133.182+nvmemsi

Test platforms:

Dell OptiPlex 7450 AIO (CID 201606-22472)
Sky Lake Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe Controller 
[8086:1901]
Non-Volatile memory controller [0108]: Device [1c5c:1284]

Dell Computer Corporation Precision 5510  (Code name: Berlinetta P) (CID 
201612-25281)
Sky Lake Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe Controller 
[8086:1901]
Non-Volatile memory controller [0108]: Samsung Electronics Co Ltd Device 
[144d:a802] (rev 01)

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1720867

Title:
  Trusty NVMe boot fails on some systems

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Trusty:
  In Progress

Bug description:
  Trusty linux (3.13) fails to boot on some NVMe-based cloud instance
  types.

  [Impact]

   * Ubuntu trusty images can't be used on some NVMe-based cloud
  instance types.

   * Mainline commit a522905 "NVMe: Always use MSI/MSI-x interrupts"
  fixes the issue; application of this to 3.13 requires a set of
  prerequisite patches, and a minor backport.

  a522905 NVMe: Always use MSI/MSI-x interrupts
  e32efbf NVMe: make setup work for devices that don't do INTx
  be577fa nvme: Use pci_enable_msi_range() and pci_enable_msix_range()
  42f6142 NVMe: per-cpu io queues
  4f5099a NVMe: IOCTL path RCU protect queue access
  5a92e70 NVMe: RCU protected access to io queues

  [Test Case]

   * Verify that a trusty-based image can boot on the affected instance
  type.

  [Regression Potential]

   * This change set affects all users of the NVMe driver, so regression
  potential is moderate to high.  Additional soak testing may be
  warranted before merging this patch set.

   * The patched NVMe driver has been exercised by Dan Streetman, and
  given the thumbs-up.

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