qmk/qmk_firmware

[Bug] Mouse keys prevent keyboard from starting up when switching inputs using KVM switches

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#15.949 geöffnet am 20. Jan. 2022

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bughelp wanted

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Beschreibung

Describe the Bug

I had submitted #15939 but, after finding other users reporting issues with KVMs when enabling mouse keys, I see this is a common issue. Even though KVMs used to be a niche thing, people are using them more with WFH and all that, so maybe it's worth taking a look into why that happens.

My understanding is that QMK will present two devices (a keyboard and a mouse) connected through a hub and that is the cause of those issues.

System Information

  • Keyboard: GMMK Pro, JJ50, Planck EZ
    • Revision (if applicable):
  • Operating system: Windows, Linux, macOS
  • AVR GCC version: various
  • ARM GCC version: various
  • QMK Firmware version: various
  • Any keyboard related software installed?
    • AutoHotKey
    • Karabiner
    • Other:

Additional Context

I haven't been able to identify why that could be happening at all. Would appreciate input on where to look, if any bits are suspicious.

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