On Thu, Sep 16, 2010 at 09:45:56PM +0200, Ferry Toth wrote: > From my kernel log. > > But I don't see why it would be related to the driver or the port. As > said the device works fine for native linux programs. There are problems under wine with some drivers that are fine with linux. For example cp210x. > Sep 16 09:12:00 localhost kernel: [775687.902185] usb 3-2: FTDI USB > Serial Device converter now attached to ttyUSB1 There are some rough edges on the ftdi driver, but I don't know if that could cause any difficulties with wine. ael