I have a problem with my ark lsusb:6547:0232  CA42 adapter for my Nokia phone  
in Hardy Heron.
And i get freezed after some seconds of using ttyUSB0.

The best results if I connect fast cable to USB, then adapter to cell
phone and I get started dial up pppd and after that it get frezeed.

Also I get my computer hanged immediately if is used /dev/ttyUSB0
without physically connecting to cell phone.

dmesg:
[15436.387576] usb 1-1: new full speed USB device using ohci_hcd and address 13
[15436.597655] usb 1-1: configuration #1 chosen from 1 choice
[15436.603277] hub 1-1:1.0: USB hub found
[15436.604573] hub 1-1:1.0: 4 ports detected
[15436.948219] usb 1-1.2: new full speed USB device using ohci_hcd and address 
14
[15437.059197] usb 1-1.2: configuration #0 chosen from 1 choice
[15437.059202] usb 1-1.2: config 0 descriptor??
[15437.066641] ark3116 1-1.2:0.0: ark3116 converter detected
[15437.175127] usb 1-1.2: ark3116 converter now attached to ttyUSB0
[15437.391773] usb 1-1.4: new low speed USB device using ohci_hcd and address 15
[15437.502759] usb 1-1.4: configuration #1 chosen from 1 choice

My adapter is working in Windows and other 3G HDSPA GSM modem are
working fine in Hardy Heron.

-- 
[hardy] ark3116 driver freezes kernel
https://bugs.launchpad.net/bugs/205541
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