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[Launchpad Bug Tracker <1401903@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux - 3.18.0-9.10

---------------
linux (3.18.0-9.10) vivid; urgency=low

  [ Colin Ian King ]

  * SAUCE: drivers/rtc/interface.c: ignore exprired times when enqueing new
    timers
    - LP: #1333569

  [ Joseph Salisbury ]

  * [Config] Enable CONFIG_N_GSM as module.
    - LP: #1404670

  [ K. Y. Srinivasan ]

  * SAUCE: storvsc: force SPC-3 compliance on win8 and win8 r2 hosts
    - LP: #1406867

  [ Leann Ogasawara ]

  * rebase to v3.18.2
  * Release Tracking Bug
    - LP: #1409794

  [ Upstream Kernel Changes ]

  * Drivers: hv: util: make struct hv_do_fcopy match Hyper-V host messages
    - LP: #1401903
  * rebase to v3.18.2
 -- Leann Ogasawara <leann.ogasawara@xxxxxxxxxxxxx>   Mon, 12 Jan 2015 08:53:12 -0800

** Changed in: linux (Ubuntu Vivid)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1401903

Title:
  [Hyper-V] FileCopy data loss after fcopy finish (X86 Only) Ubuntu
  14.10

Status in linux package in Ubuntu:
  Fix Released
Status in linux-lts-utopic package in Ubuntu:
  Invalid
Status in linux source package in Trusty:
  Invalid
Status in linux-lts-utopic source package in Trusty:
  Confirmed
Status in linux source package in Utopic:
  Fix Committed
Status in linux-lts-utopic source package in Utopic:
  Invalid
Status in linux source package in Vivid:
  Fix Released
Status in linux-lts-utopic source package in Vivid:
  Invalid

Bug description:
  Please include this patch for the bug detailed below.
  https://git.kernel.org/cgit/linux/kernel/git/gregkh/char-misc.git/commit/?h=char-misc-next&id=31d4ea1a093fcf668d5f95af44b8d41488bdb7ec

  The hv_fcopy_daemon must also be recompiled with this header.

  Description of problem:
  after fcopy from the host to guest check it in guest,no data in the file

  Version-Release number of selected component (if applicable):
  Host: hyperv server 2012 R2
  Guest VM: Ubuntu 14.10 (final release)

  How reproducible:
  100%

  Steps to Reproduce:
  1.input data in Test.txt（host）
  2.install hypervfcopyd(guest)
  3.service hypervfcopyd start(guest)
  4.(host)C:\> Copy-VMFile "Test VM" -SourcePath "C:\Test.txt" -DestinationPath "/test" -CreateFullPath -FileSource Host(host)
  5.check data in test.txt what fcopyed from host(guest)

  Actual results:
  all the data is lost

  Expected results:
  the same with the original file

  Additional info:
  - x64 builds are not affected
  - this bug has been initially found and patched in a RHEL bug thread, details above are from it.

  
  ===
  break-fix: bc5a5b02331a3175a5fca20a4beba249e573b672 31d4ea1a093fcf668d5f95af44b8d41488bdb7ec

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