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[Bug 1401903] Re: [Hyper-V] FileCopy data loss after fcopy finish (X86 Only) Ubuntu 14.10

 

** Description changed:

  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 
+ all the data is lost
  
  Expected results:
- the same with the original file 
+ 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

** Tags added: kerne-bug-break-fix

** Also affects: linux (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Vivid)
   Importance: High
       Status: Confirmed

** Also affects: linux (Ubuntu Utopic)
   Importance: Undecided
       Status: New

** Also affects: linux-lts-utopic (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: linux-lts-utopic (Ubuntu Vivid)
       Status: New => Invalid

** Changed in: linux-lts-utopic (Ubuntu Utopic)
       Status: New => Invalid

** Changed in: linux-lts-utopic (Ubuntu Trusty)
       Status: New => In Progress

** Changed in: linux-lts-utopic (Ubuntu Trusty)
   Importance: Undecided => High

** Changed in: linux (Ubuntu Utopic)
   Importance: Undecided => High

** Changed in: linux (Ubuntu Trusty)
   Importance: Undecided => High

** Changed in: linux (Ubuntu Vivid)
     Assignee: (unassigned) => Andy Whitcroft (apw)

** Changed in: linux (Ubuntu Vivid)
    Milestone: None => ubuntu-15.01

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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:
  Confirmed
Status in linux-lts-utopic package in Ubuntu:
  Invalid
Status in linux source package in Trusty:
  New
Status in linux-lts-utopic source package in Trusty:
  In Progress
Status in linux source package in Utopic:
  New
Status in linux-lts-utopic source package in Utopic:
  Invalid
Status in linux source package in Vivid:
  Confirmed
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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