I got this too, comes out of nowhere, typing stalls for a second or two,
sometimes the keystrokes are remembered, and typed a bit later, other
times they're just dropped and i sit and look at the screen, then try
typing and the letter shows up, very annoying for a developer.
Danish keyboard layout (only)
Single keyboard (Logitech K520)
Ubuntu 20.04 (had it on 18.04 too)
MSI GeForce GT 1030
Nvidia 460 (just updated from 450 1½ day ago, haven't seen the bug since this
so far)
Display manager gdm3
Xinput shows me a funny thing, a webcam as keyboard. This webcam is quite new,
so i'll try and disable it next time i experience the bug.
xinput
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ Logitech M310 id=9 [slave pointer (2)]
⎜ ↳ Logitech K520 id=10 [slave pointer (2)]
⎜ ↳ ATEN DVI DL KVMP id=12 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Video Bus id=7 [slave keyboard (3)]
↳ Power Button id=8 [slave keyboard (3)]
↳ ATEN DVI DL KVMP id=11 [slave keyboard (3)]
↳ Trust Webcam: Trust Webcam id=13 [slave keyboard (3)]
↳ Eee PC WMI hotkeys id=14 [slave keyboard (3)]
↳ Logitech K520 id=15 [slave keyboard (3)]
`xev -event keyboard` did not show anything odd.
Feel free to ask for any other info (add commands please)
Kind regards
Kim
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https://bugs.launchpad.net/bugs/1777708
Title:
Desktop briefly becomes unresponsive when typing on 2 keyboards at the
same time
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