[Bug 1722884] Re: keyboard input while mouse moving triggers mouse failure

[Jezze]

I tried to look into this as well. One finding I have made is that the
problem happens for -display gtk but not with -display sdl so I'm
thinking it might not be reading of data from the ps2 controller that is
problematic but the writing to it. I will need to investigate further.

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https://bugs.launchpad.net/bugs/1722884

Title:
  keyboard input while mouse moving triggers mouse failure

Status in QEMU:
  New

Bug description:
  When QEMU is getting a ton of mouse input events if keys are pressed
  on the keyboard the scan code will be corrupted causing erroneous
  behavior. I have confirmed this problem in the latest version in git
  (530049bc1dcc24c1178a29d99ca08b6dd08413e0).

  After the erroneous behavior the operating system issues a keyboard
  reset which prevents the mouse from functioning until the operating
  system is restarted.

  This seems to only occur if the PS2 mouse is being used as the input,
  the tablet input device doesn't exhibit this behavior.

  The same problem was reported here also:
  https://openxt.atlassian.net/browse/OXT-562

  Host  : Debian 9
  CPU   : Ryzen 1700X
  RAM   : 16GB
  Kernel: 4.12.0-0.bpo.2-amd64

  Guest : Windows 10 (KVM)
  RAM   : 8GB (1GB Huge pages)

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