Re: [lcd4linux] unpluging the usb device-bug?

[tasos <ta...@ya...>]

Thanks for the interest ernst.
Please see
http://www.phpriot.com/3771

i have pasted all the necessary info there.

--- Ernst Bachmann <e.b...@xe...> wrote:

> On Friday 08 September 2006 11:29, tasos wrote:
> > I'm using crystalfontz 635.
> >
> That device isn`t actually accessed as an USB
> device, it uses the 
> drv_generic_serial functions.
> There's probably an USB->Serial converter on the
> display.
> 
> I'm not sure how the kernel "usb_serial" driver
> handles disconnects, when 
> there`s still an open handle (and don`t have such an
> device to test right 
> now)
> 
> Could you post some dmesg output and lcd4linux -F -v
> -v -v output captured 
> while disconnecting?
> 
> But generally, that device driver doens`t look like
> it does any error handling 
> at all for that case.
> (Error return codes from the drv_generic_serial
> functions are silently 
> ignored, and not propagated back to the core)
> 
> /Ernst
> 
>
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