Re: udev alzheimers
On Thursday 21 May 2020 15:25:51 John Conover wrote:
> David Wright writes:
> > On Thu 21 May 2020 at 13:02:49 (-0400), Gene Heskett wrote:
> > > On Thursday 21 May 2020 10:10:10 tomas@tuxteam.de wrote:
> > > > On Thu, May 21, 2020 at 08:23:55AM -0400, Gene Heskett wrote:
> > > > > Since updating to stretch, udev has been randomly swapping
> > > > > ttyUSB0 and ttyUSB1 and sometimes ttyUSB2 around, confusing
> > > > > the hell out of heyu, a trs-80-coco3, and occasionally even
> > > > > nut. Nut (apc ups) is not on a usb-serial adapter, it just a
> > > > > usb cable but the other 2 are on individually unique FTDI
> > > > > adaptors.
>
> .
> .
> .
>
> Perhaps:
>
> /dev/serial/by-id
> /dev/serial/by-path
>
> may be of some help since they are symbolic links into /dev/ttyUSB*
> with additional identification.
>
> John
by-id might work, but that is a very long argument. by serial number
seems to make the most sense. I'll see about it tomorrow, having used up
my creative juices on another project today,
Cheers, Gene Heskett
--
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- Louis D. Brandeis
Genes Web page <http://geneslinuxbox.net:6309/gene>
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