On Sun, 4 Jun 2006, Chuck Hast wrote:
> I have found that USB serial ports on linux work with no questions asked
> (knock on wood, at least I do not get asked dumb questions about needing
> drivers like that other OS does).
>
> The one issue I have run into is if I have a usb serial port and add a 2nd
> one, the second one may on reboot come up as the first one and visaversa.
>
> I have external devices that are connected to these things and need to make
> sure that the same hardware device comes on line as TTYUSB0, and the
> second one always comes up as TTYUSB1 etc. Does anyone have a idea
> of how to make sure that a given device always comes up with the same
> serial port assignment.
The order is probably consistent if you start from "no modules loaded" every
time. So just make sure the hotplug script (I guess) unloads ehci_hcd,
uhci_hcd, and usbcore in the "stop" section, and always connect the cables
in the same order (or at least have them connected when the script starts).
--
-eben QebWenE01R@vTerYizUonI.nOetP royalty.no-ip.org:81
My parents went to a planet where the inhabitants have no
bilateral symmetry, and all I got was this lousy F-shirt.
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