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[MG <heyrastamon@xxxxxxxxxxx>]

Following up on latest kernel, I upgraded kernel on Ubuntu 14.04LTS
32-bit Hyper-V VM with 2GB memory to v3.16-rc6 then increased to memory
to 4GB after confirming kernel upgrade. It still experiences network
issue/bug. I also tried more recent kernel v3.16-rc7 with the same
results. Once the memory is increased, network is disconnected.

Also tested 14.04LTS 32-bit VM with 4GB memory (no kernel upgrade) on
VMWare ESXi 5.5. Runs beautifully with no network issues.

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https://bugs.launchpad.net/bugs/1338185

Title:
  networking fails in 32-bit 14.04 using HyperV on Win2012R2

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  I was running Ubuntu 13.10 32-bit as a VM on a Windows Server 2012 R2
  machine with Hyper-V.  In 32-bit 13.10, networking worked properly at
  all times, from the first installation to normal usage.

  I ran the upgrade to 32-bit Ubuntu 14.04 and discovered that
  networking is no longer working.

  To eliminate the possibility that there was a botched upgrade, I tried
  a fresh install in another VM.

  I performed a fresh install of 32-bit Ubuntu 14.04 in Hyper-V from
  ubuntu-14.04-desktop-i386.iso, and I noticed that the network was not
  connecting during the first part of the installation before any files
  are copied to the disk.  After the installation completed, there was
  no eth0 device present.

  By comparison, I performed a fresh install of 64-bit Ubuntu 14.04 in
  Hyper-V from the ubuntu-14.04-desktop-amd64.iso, and networking worked
  properly at all times from the start of installation.

  To summarize, networking is failing in 32-bit Ubuntu 14.04 under
  Hyper-V in Windows Server 2012 R2.  Networking is working properly in
  32-bit Ubuntu 13.10 on the same machine.  Networking is working
  properly in 64-bit Ubuntu 14.04 on the same machine.

  Any suggestions on getting 32-bit Ubuntu 14.04 to work in my Hyper-V
  VM ?

  Thanks.

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