USB-serial converter recognised but not mounted
Karl F. Larsen
klarsen1 at gmail.com
Mon Nov 2 13:02:43 UTC 2009
Colin Law wrote:
> Any thoughts on this anyone?
>
> 2009/10/31 Colin Law <clanlaw at googlemail.com>:
>> I have a USB to serial converter. When I plug this in on a Ubuntu 9.04
>> machine it works fine. With lsusb I see
>>
>> Bus 003 Device 007: ID 0403:6001 Future Technology Devices
>> International, Ltd FT232 USB-Serial (UART) IC
>>
>> and in dmesg I see
>>
>> [ 8139.812054] usb 3-2: new full speed USB device using uhci_hcd and address 7
>> [ 8140.020285] usb 3-2: configuration #1 chosen from 1 choice
>> [ 8140.022817] ftdi_sio 3-2:1.0: FTDI USB Serial Device converter detected
>> [ 8140.022863] usb 3-2: Detected FT232BM
>> [ 8140.022958] usb 3-2: FTDI USB Serial Device converter now attached to ttyUSB0
>>
>> However on a Xubuntu 9.04 machine lsusb shows
>>
>> Bus 001 Device 004: ID 0403:6001 Future Technology Devices
>> International, Ltd FT232 USB-Serial (UART) IC
>>
>> which seems ok, but dmesg only shows
>>
>> [ 1287.847468] usb 1-1: new full speed USB device using ohci_hcd and address 4
>> [ 1288.126514] usb 1-1: configuration #1 chosen from 1 choice
>>
>> and the ttyUSB0 is not available.
>>
>> I suspect that the fact that it is Xubuntu is not relevant.
>>
>> Any suggestions on where to go from here would be much appreciated.
>>
>> Colin
>>
>
You can't have first hand experiance unless you have the
converter. I know there are many kinds of USB to serial
converters and many work very poor.
Karl
--
Karl F. Larsen, AKA K5DI
Linux User
#450462 http://counter.li.org.
Key ID = 3951B48D
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