[breezy] No /dev/ttyUSB* is being created

Marius Gedminas marius at pov.lt
Mon Sep 26 09:57:52 UTC 2005


On Mon, Sep 26, 2005 at 11:47:48AM +0200, Mickel-John Bunink wrote:
> Hi all,
> 
> I'm having a similar kind of problem with my Palm. My system also
> doesn't seem to create /dev/ttyUSB* or /dev/pilot.

Mine does.  (Palm Tungsten T.  The first model.)

I do have to press the hotsync button on the cradle, and then wait maybe
5 seconds (feels like ages) before the device actually appears.  It
disappears again when the palm is done syncing.

> I've added the
> following to /etc/udev/rules.d:
> 
> pilot.rules
> 
> KERNEL="ttyUSB1" SYMLINK="pilot"
> 
> I also tried the following:
> 10-custom.rules
> 
> BUS="usb", SYSFS{product}="Palm Handheld*", KERNEL="ttyUSB*",
> NAME{ignore_remove}="pilot", MODE="666"
> 
> I got these suggestions from wiki's and howto's. Still no luck (yes, I
> chmodded them). Somewhere last week this was suggested in this thread:
> 
> 
>   mknod /dev/ttyUSB1 c 188 1
> 
>   chmod 0666 /dev/ttyUSB1
> 
> Although I have only a vague idea what the command mknod precisely does,
> it made ttyUSB1. But syncing the palm with gnome-pilot (pointed
> to /dev/ttyUSB1) still doesn't work. It still times out.

Some Palms use ttyUSB1, some use ttyUSB0.  You could try

   mknod /dev/ttyUSB0 c 188 0
   chmod 0666 /dev/ttyUSB0

to figure out which device is right for you.

Marius Gedminas
-- 
Well, there's a quantum computer that can factor 15, so those of you using
4-bit RSA should worry.
	-- Bruce Schneier
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