On Fri, Jun 16, 2006 at 08:05:20PM +0400, Sergei Organov wrote:
> Greg KH <[EMAIL PROTECTED]> writes:
> 
> > On Tue, Jun 13, 2006 at 02:42:38PM +0400, Sergei Organov wrote:
> >> Greg KH <[EMAIL PROTECTED]> writes:
> [...]
> >> > I've posted some patches here for the airprime driver that should be
> >> > able to saturate the USB bus as fast as the device can handle.  If you
> >> > could test that patch, with your device id, I would appreciate it.
> >> 
> >> What patch? I've looked through the mailing list for "airprime", but
> >> don't know which of the posts I found you mean. Do I just take some
> >> recent kernel (which one?) and modprobe airprime (with my IDs) instead
> >> of usbserial?
> >
> > This patch:
> >     
> > http://www.kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/gregkh-04-usb/airprime_major_update.patch
> 
> I've applied the patch to the 2.6.16.8 kernel tree, then added my
> vendor/product IDs to the id_table. Now the driver is loaded OK,
> /dev/ttyUSB0 is created, but I can't open the port with a weird errno:
> 
> osvr:/usr/src/linux# cat /dev/ttyUSB0
> cat: /dev/ttyUSB0: Message too long
> 
> and enabled debug output from the driver (modprobe airprime debug=1)
> gives:
> 
> osvr:/usr/src/linux# dmesg | grep airprime
> drivers/usb/serial/airprime.c: airprime_open - port 0
> airprime ttyUSB0: airprime_open - failed submitting read urb, error -90
> osvr:/usr/src/linux#
> 
> When modprobing usbserial with my ids, the /dev/ttyUSB0 works OK.
> 
> Any idea what's wrong?

No, others have also reported this problem, while it doesn't seem to
bother some at all.  I'll look into it.

thanks,

greg k-h


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