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To: gentoo-dev@g.o
From: Greg KH <gregkh@g.o>
Subject: /dev/serial/ (was "Let's redesign the entire filesystem!")
Date: Thu, 15 Mar 2012 12:17:30 -0700
On Thu, Mar 15, 2012 at 03:04:36PM -0400, Rich Freeman wrote:
> On Thu, Mar 15, 2012 at 10:42 AM, Greg KH <gregkh@g.o> wrote:
> >
> > Why not use the links in /dev/serial/ which are there for this specific
> > reason?
> >
> 
> # ls -l /dev/serial
> ls: cannot access /dev/serial: No such file or directory

Do you have your serial device plugged in?  If not, it will not show up.

> Something in a newer version of udev perhaps?

It went into udev version 136, way back in 2008, so odds are, you have
it on your system...

> Or would my defining my
> own symlinks end up overriding some rule elsewhere.  I just added
> these lines to /etc/udev/rules.d:
> SUBSYSTEM=="tty", DRIVERS=="pl2303", KERNELS=="4-1:1.0",
> KERNEL=="ttyUSB*", SYMLINK="mythser/rca1"
> SUBSYSTEM=="tty", DRIVERS=="pl2303", KERNELS=="3-3:1.0",
> KERNEL=="ttyUSB*", SYMLINK="mythser/rca2"

You do know that USB buses can be dynamically renumbered depending on
the phase of the moon, right?  Be careful here...

greg k-h


Replies:
Re: /dev/serial/ (was "Let's redesign the entire filesystem!")
-- Rich Freeman
References:
Re: Let's redesign the entire filesystem! [was newsitem: unmasking udev-181]
-- Joshua Kinard
Re: Let's redesign the entire filesystem! [was newsitem: unmasking udev-181]
-- Duncan
Re: Re: Let's redesign the entire filesystem!
-- Joshua Kinard
Re: Re: Let's redesign the entire filesystem!
-- Greg KH
Re: Re: Let's redesign the entire filesystem!
-- Philip Webb
Re: Re: Let's redesign the entire filesystem!
-- Greg KH
Re: Re: Let's redesign the entire filesystem!
-- Joshua Kinard
Re: Re: Let's redesign the entire filesystem!
-- Rich Freeman
Re: Re: Let's redesign the entire filesystem!
-- Greg KH
Re: Re: Let's redesign the entire filesystem!
-- Rich Freeman
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Updated Jun 29, 2012

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