Re: Cannot connect to USB serial devices

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On Sun, Jun 20, 2010 at 08:55:05PM +0100, Sid Boyce wrote:
> Devices are enumerated but in xminicom and gtkterm they are offline.
> The VNAminiPro is a new device(ftdi), but the Omnima  (cp210x) is a
> microprocessor board that has worked before.
> On one box with openSUSE 11.3 RC1 2.6.35-rc3 and another with Kubuntu
> 2.6.34-020634-generic.
> On a beagleboard connected via a serial crossover cable --> USB pl2303
> I can communicate over /dev/ttyUSB0.
> 
> openSUSE x86_64 AMD x4
> =========================
> [343391.192701] usb 6-3: new full speed USB device using ohci_hcd and
> address 10
> [343391.369167] usb 6-3: New USB device found, idVendor=10ab, idProduct=10c5
> [343391.369199] usb 6-3: New USB device strings: Mfr=1, Product=2,
> SerialNumber=3
> [343391.369205] usb 6-3: Product: USB Data Cable
> [343391.369210] usb 6-3: Manufacturer: Silicon Labs
> [343391.369214] usb 6-3: SerialNumber: 0001
> [343391.373549] cp210x 6-3:1.0: cp210x converter detected
> [343391.520041] usb 6-3: reset full speed USB device using ohci_hcd and
> address 10
> [343391.695404] usb 6-3: cp210x converter now attached to ttyUSB1
> 

This looks fine, what's wrong with talking to ttyUSB1?

Something else must be on ttyUSB0, right?  What does sysfs show?

thanks,

greg k-h
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