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[Andy Whitcroft <apw@xxxxxxxxxxxxx>]

I have applied the above fixes for testing to both Trusty and Utopic
kernels, could you test those and report any such results back here.
Kernels can be found at the following links:

    http://people.canonical.com/~apw/lp1354397-trusty/
    http://people.canonical.com/~apw/lp1354397-utopic/

Thanks.

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https://bugs.launchpad.net/bugs/1354397

Title:
  Latest fixes from storvsc & scsi drivers for Hyper-V/Azure

Status in “linux” package in Ubuntu:
  In Progress
Status in “linux” source package in Trusty:
  In Progress
Status in “linux” source package in Utopic:
  In Progress

Bug description:
  A number of significant fixes have landed upstream for Hyper-V/Azure
  clouds.  The upstream devs for this recommend we apply the below list
  of patches:

  commit 26b9fd8b3452dcf0a8862e307ee23f442f63fb51
  Author: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
  Date:   Fri Jul 18 17:11:27 2014 +0200

      sd: fix a bug in deriving the FLUSH_TIMEOUT from the basic I/O
  timeout

  commit 4cd83ecdac20d30725b4f96e5d7814a1e290bc7e
  Author: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
  Date:   Sat Jul 12 09:48:26 2014 -0700

      Drivers: scsi: storvsc: Change the limits to reflect the values on
  the host

  commit 52f9614dd8294e95d2c0929c2d4f64b077ae486f
  Author: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
  Date:   Sat Jul 12 09:48:27 2014 -0700

      Drivers: scsi: storvsc: Set cmd_per_lun to reflect value supported
  by the Host

  commit 8caf92d80526f3d7cc96831ec18b384ebcaccdf0
  Author: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
  Date:   Sat Jul 12 09:48:28 2014 -0700

      Drivers: scsi: storvsc: Filter commands based on the storage
  protocol version

  commit adb6f9e1a8c6af1037232b59edb11277471537ea
  Author: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
  Date:   Sat Jul 12 09:48:29 2014 -0700

      Drivers: scsi: storvsc: Fix a bug in handling VMBUS protocol
  version

  commit 56b26e69c8283121febedd12b3cc193384af46b9
  Author: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
  Date:   Sat Jul 12 09:48:30 2014 -0700

      Drivers: scsi: storvsc: Implement a eh_timed_out handler

  commit f885fb73f64154690c2158e813de56363389ffec
  Author: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
  Date:   Sat Jul 12 09:48:31 2014 -0700

      drivers: scsi: storvsc: Set srb_flags in all cases

  commit 3533f8603d28b77c62d75ec899449a99bc6b77a1
  Author: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
  Date:   Sat Jul 12 09:48:32 2014 -0700

      drivers: scsi: storvsc: Correctly handle TEST_UNIT_READY failure

  commit f3cfabce7a2e92564d380de3aad4b43901fb7ae6
  Author: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
  Date:   Mon Jul 21 16:06:01 2014 -0700

      Drivers: add blist flags

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