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For some days, I observe an annoying lag with my Logitech K380 keyboard
and Ubuntu 20.04. After a couple of seconds not typing, new keystrokes
are registered only after 1–2 seconds lag. From there on, I can type
without lag, until the next typing pause.
I seems that the Bluetooth component switches Bluetooth in some sort of
hibernate after a couple of seconds of not typing, and then it needs 1–2
seconds to wake up again and process the keystrokes.
No keys are missing – they just arrive with a lag. Probably the keyboard
buffers them.
Important: If I listen to music with a Bluetooth headset, I can type
without *any* problems because the Bluetooth module remains awake due to
the music transmission.
The keyboard does not exhibit this issues at my Android tablet.
Furthermore, I am sometimes lucky can work with the keyboard without any
lag (and without music).
In the BIOS settings of the computer, I do not find anything Bluetooth-
related.
** Affects: bluez (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment
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Bluetooth keyboard has lag
https://bugs.launchpad.net/bugs/1894046
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