[Qemu-devel] [Bug 1654826] [NEW] Holding key down using input-linux freezes guest

[mutedbytes]

Public bug reported:

Qemu release version 2.8.0
KVM, kernel 4.9.1

When using the -object input-linux capability in qemu for passthrough of
input/evdev devices, I found that when a key is held for a few seconds
or more (such as ctrl key), the guest system freezes until the key is
released. In some cases, mouse control is also lost following one of
these "freezes". I also noticed that one of the four cpu cores I have
the guest pinned to ramps to 100% during these freezes.

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1654826

Title:
  Holding key down using input-linux freezes guest

Status in QEMU:
  New

Bug description:
  Qemu release version 2.8.0
  KVM, kernel 4.9.1

  When using the -object input-linux capability in qemu for passthrough
  of input/evdev devices, I found that when a key is held for a few
  seconds or more (such as ctrl key), the guest system freezes until the
  key is released. In some cases, mouse control is also lost following
  one of these "freezes". I also noticed that one of the four cpu cores
  I have the guest pinned to ramps to 100% during these freezes.

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