[Bug 1890980] Re: [SRU] fixes for Ubuntu for Hyper-V

[Patrick Wu]

** Description changed:

  [Impact]
  
-  * xrdp will failed to start in the current Ubuntu 20.04 LTS images on
- the Quick Create with the current livecd-rootfs images generated.
+  * xrdp will failed to start in the current Ubuntu 20.04 LTS images on the Quick Create with the current livecd-rootfs images generated.
+  * current Ubuntu 20.04 LTS images is not utilizing the Hyper-V optimization 
+  from the Azure kernel provided by microsoft ( see https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/supported-ubuntu-virtual-machines-on-hyper-v Note 6)
  
  [Test Case]
  
- * Generate a Hyper-V image with livecd-rootfs
- * Import the geneated vhdx to Hyper-V
- * Check whether the xrdp service is running via "systemctl status xrdp"
+ * Generate a Hyper-V image with livecd-rootfs;
+ * Import the geneated vhdx to Hyper-V;
+ * Check:
+   - whether the xrdp service is running via "systemctl status xrdp";
+   - shows a better performance when using Ubuntu 20.04 LTS.
  
  [Regression Potential]
  
- 
- This patch will apply to a later version of xrdp, thus potential regressions would be a result xrdp being outdated. Which will cause problem for bionic or older, thus this will be only backported to focal and higher.
+ This patch will apply to a later version of xrdp, thus potential
+ regressions would be a result xrdp being outdated. Which will cause
+ problem for bionic or older, thus this will be only backported to focal
+ and higher.

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https://bugs.launchpad.net/bugs/1890980

Title:
  [SRU] fixes for Ubuntu for Hyper-V

Status in livecd-rootfs package in Ubuntu:
  Fix Released
Status in livecd-rootfs source package in Focal:
  New

Bug description:
  [Impact]

   * xrdp will failed to start in the current Ubuntu 20.04 LTS images on the Quick Create with the current livecd-rootfs images generated.
   * current Ubuntu 20.04 LTS images is not utilizing the Hyper-V optimization 
   from the Azure kernel provided by microsoft ( see https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/supported-ubuntu-virtual-machines-on-hyper-v Note 6)

  [Test Case]

  * Generate a Hyper-V image with livecd-rootfs;
  * Import the geneated vhdx to Hyper-V;
  * Check:
    - whether the xrdp service is running via "systemctl status xrdp";
    - shows a better performance when using Ubuntu 20.04 LTS.

  [Regression Potential]

  This patch will apply to a later version of xrdp, thus potential
  regressions would be a result xrdp being outdated. Which will cause
  problem for bionic or older, thus this will be only backported to
  focal and higher.

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