Public bug reported:

On ASRock QC5000M-ITX/PH P1.10 and BIOSTAR Group A68N-2100 4.6.5 the
mouse cursor is displayed distorted since we upgraded to kernel linux-
image-4.4.0-75-generic:amd64

We use 32bit Xubuntu 14.04.5 with 64bit Kernel on about 150 machines.
Core2Duo, Celeron and Atom seems all fine, only the AMD machines with
the mentioned SOC boards have this issue.

We never had this issue beginning from Kernel 3.16 via 4.2 up to
4.4.0-72 - so we will use that one. I installed the latest 4.2,
4.4.0-21, 4.4.0-66, 4.4.0-71 and 4.4.0-72 and the issue is absent.

** Affects: linux-meta-lts-xenial (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: cursor distortion mouse squashed

** Attachment added: "comparison of mouse cursor between 4.4.0-75 and 4.4.0-72"
   
https://bugs.launchpad.net/bugs/1686924/+attachment/4869028/+files/clipboard.jpg

** Description changed:

  On ASRock QC5000M-ITX/PH P1.10 and BIOSTAR Group A68N-2100 4.6.5 the
  mouse cursor is displayed distorted since we upgraded to kernel linux-
  image-4.4.0-75-generic:amd64
  
- We use 32bit Xubuntu 14.04.5 with 64bit Kernel on many machines.
- Core2Duo, Celeron and Atom seems all fine, only these AMD machines have
- this issue.
+ We use 32bit Xubuntu 14.04.5 with 64bit Kernel on about 150 machines.
+ Core2Duo, Celeron and Atom seems all fine, only the AMD machines with
+ the mentioned SOC boards have this issue.
  
  We never had this issue beginning from Kernel 3.16 via 4.2 up to
- 4.4.0-72 - so we will use that one.
+ 4.4.0-72 - so we will use that one. I installed the latest 4.2,
+ 4.4.0-21, 4.4.0-66, 4.4.0-71 and 4.4.0-72 and the issue is absent.

** Package changed: linux (Ubuntu) => linux-meta-lts-xenial (Ubuntu)

** Summary changed:

- mouse cursor is distorted
+ distorted mouse cursor on kernel 4.4.0-75

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https://bugs.launchpad.net/bugs/1686924

Title:
  distorted mouse cursor on kernel 4.4.0-75

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