[Dev] Upgrade linux-libre drops support for FTDI USB Serial Device

[Mono]

Ahoi,

it seem to reliably recognize the device and provide a working /dev/ttyUSB0 right after (with privileged user):
# lsusb -v
That command kind of behaves like activating the port or device. Might this be a kernel bug?

greets
Mono

On Tue, Oct 28, 2014 at 09:47:33PM +0100, Mono wrote:
> Hallo Luke,
> 
> thank you for your email.
> 
> > Try manually-loading/checking-if-loaded the following kernel modules:
> > 
> >  - usbcore
> >  - usbserial
> >  - ftdi_sio
> 
> usbcore is loaded already. I can add usbserial and ftdi_sio but it does not help. I noticed that lsusb does not show the device as it should do. under 3.16.4 it shows:
> 
> Bus 002 Device 002: ID 0403:6001 Future Technology Devices International, Ltd FT232 USB-Serial (UART) IC
> 
> with 3.17.1 there is no entry at all. The usb port works fine with a flash device though. Furthermore, this issue only affects my i686 system. On a x86_64 system the device just works.
> 
> > I've got an ftdi device somewhere at home--I'll see if I can replicate
> > the issue tonight.
> does it work for you?
> 
> best regards
> Mono
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