Re: [BUG] No ttyS0 - Strange udev 8250_pnp interaction

From: Alan Cox
Date: Wed Oct 07 2009 - 17:10:21 EST


On Wed, 7 Oct 2009 22:53:12 +0200
Kay Sievers <kay.sievers@xxxxxxxx> wrote:

> On Wed, Oct 7, 2009 at 22:31, Michael Guntsche <mike@xxxxxxxxxxxx> wrote:
> > add      /module/8250_pnp (module)
> > remove /devices/platform/serial8250/tty/ttyS0 (tty)
> > add      /devices/pnp0/00:05/tty/ttyS0 (tty)
>
> That's pretty odd, that the loading of a module removes pre-existing
> devices created by other code, and creates new ones with the same name
> and major/minor.

Quite normal. The serial code has always done this.
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