[Bug 1802465] Re: typing string via VNC is unreliable

[Thomas Huth]

** Bug watch removed: Debian Bug tracker #758881
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=758881

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https://bugs.launchpad.net/bugs/1802465

Title:
  typing string via VNC is unreliable

Status in QEMU:
  Incomplete

Bug description:
  QEMU version is 3.0.0

  # Description

  The problem is that, when typing string through VNC, it can be
  unreliable -- sometimes some key strokes get skipped, sometimes get
  swapped, sometimes get repeated.  There's no problem when typing
  through VNC on physical hardware.

  # Steps to reproduce

  1. Launch virtual machine by:

      qemu-kvm -display vnc=:1 -m 2048 opensuse-leap-15.qcow2

  2. Connect to VNC by:

      vncviewer -Shared :5901

  3. Simulate a series of key strokes by "vncdotool" [1]:

      vncdotool -s 127.0.0.1::5901 typefile strings_to_be_typed.txt

  4. Usually after a few hundred keys are typed, something goes wrong.

  I attached a screenshot that it mistypes " hello" to "h ello".

  [1] https://github.com/sibson/vncdotool

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