Re: port-arm/57109: Mechanical USB keyboard often fails to configure on Raspberry Pi 4

[mlelstv%serpens.de@localhost (Michael van Elst)]

The following reply was made to PR port-arm/57109; it has been noted by GNATS.

From: mlelstv%serpens.de@localhost (Michael van Elst)
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: port-arm/57109: Mechanical USB keyboard often fails to configure on Raspberry Pi 4
Date: Sun, 11 Dec 2022 15:43:15 -0000 (UTC)

 cryintothebluesky%gmail.com@localhost writes:
 
 >Filco mechanical USB keyboard often fails to configure correctly. The issue occurs intermittently in UEFI (keyboard does not respond) and when booted into NetBSD:
 >[   612.176994] uhub2: autoconfiguration error: device problem, disabling port 4
 >Unplugging and plugging it again several times, sometimes resolves the issue and configures keyboard correctly:
 
 
 The first thing to check would be the USB power. While this is way more
 robust than with the first RPI variants, you still need to have a
 power supply that can feed RPI and anything connected.
 
 N.B. the Cherry keyboard here doesn't make any problems.