Re: UART question

[Vincent DEFERT <vincent.defert%posteo.net@localhost>]

Just tried it and no luck, it recreates the same zoo as before.

Anyway, I would really like to learn the rules of the device game.
And if possible, the reasons behind them.

On 08/07/2025 11:25, tlaronde%kergis.com@localhost wrote:
> On Tue, Jul 08, 2025 at 07:46:25AM +0000, Vincent DEFERT wrote:
> > Ok, so NetBSD:
> >
> > - creates tons of nodes for devices that are NOT physically present in the
> > machine (i.e. most of /dev)
> > - does NOT create nodes for devices that are physically present (e.g. UART)
> > - though sometimes, it does, for some reason (e.g. I2C)
> >
> > I'm lost. I can't find any rationale behind those behaviours. :(
> > Could someone explain, please?
> Normally, if you copy /dev/MAKEDEV in /etc, remove all the leaves in
> /dev (but keeping /dev that will be used as a mount point), when
> booting, /dev is dynamically populated with the nodes corresponding to
> the devices found (according to your compiled kernel i.e. to the
> devices declared in the kernel config).