Re: sierra modem recognized on wrong port

On Fri, 2010-10-29 at 17:02 -0700, Jordan Moncharmont wrote:
> Hey,
> I have an issue similar to gnome org/msg14551.html
> I'm trying to connect a sierra device and occasionally it incorrectly connects on ttyUSB3 instead of ttyUSB4.

Is this a Sierra 308?  Any chance you can follow the directions here:

under the section "Debugging NetworkManager 0.8.x 3G connections"?  I'd
like to get a modem-manager debug log from this device to figure out
what's going wrong.  Sierra devices are pretty well behaving so we
should be able to figure this out.

> Here is the lsusb output:
> The modem talks on ttyUSB3 and ttyUSB4, here's the pwds of each device:
> /sys/devices/pci0000:00/0000:00:1d.7/usb2/2-6/2-6:1.3/ttyUSB3/tty/ttyUSB3
> /sys/devices/pci0000:00/0000:00:1d.7/usb2/2-6/2-6:1.4/ttyUSB4/tty/ttyUSB4
> Can you help me get some new rules to ensure that this device connects on the right port?

Ports aren't tagged for  most devices, because that's completely
unmaintainable; we used to do this and it falls down completely because
we can't keep up with hardware, because ports actually aren't static
(can change on firmware update and other factors), and some vendors use
the same USB ID for different devices.  So auto-probing is the way to go


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