Re: [Discuss-gnuradio] usrp usb problem with Mandriva 2010.1

[ematlis]

--- On Wed, 8/11/10, Thomas Tsou <address@hidden> wrote:

> From: Thomas Tsou <address@hidden>
> Subject: Re: [Discuss-gnuradio] usrp usb problem with Mandriva 2010.1
> To: address@hidden
> Cc: address@hidden
> Date: Wednesday, August 11, 2010, 1:52 PM
> On Wed, Aug 11, 2010 at 11:07
> AM,  <address@hidden>
> wrote:
> > Hello-
> >
> > I am having a usb/USRP issue under x86_64 Mandriva
> 2010.1 with gnuradio-3.3.0.
> >
> > I compiled and installed using the default procedure:
> > ./configure
> > make
> > sudo make install
> >
> > When I try to use usrp_fft.py, I get many errors (see
> below).  The gui pops up, but no data is displayed:
> >
> > address@hidden z.gnuradio]$ usrp_fft.py
> > fusb::_submit_urb: Bad file descriptor
> > _submit_urb failed
> > fusb::_submit_urb: Bad file descriptor
> > _submit_urb failed
> > fusb::_submit_urb: Bad file descriptor
> 
> I'm guessing that this is the result of an attempt to
> extract the file
> descriptor out of a libusb-1.0 handle. The presence of the
> libusb
> compatibility layer - which is incompatible - may have
> allowed you to
> get through configure. Try building with the following
> option.
> 
> ./configure --with-fusb-tech=libusb1
> 
> > I believe this is a distribution-specific error, as I
> was not able to duplicate the issue on a different x86_64
> Fedora 12 computer using exactly the same installation
> procedure and USRP hardware.
> >
> 
> The recent Mandriva releases are among distributions (SUSE
> may be
> another) that drop native support for the older version of
> libusb,
> which gnuradio uses by default. To date, Fedora and Ubuntu
> have not
> made this change.
> 
>   Thomas
> 

Thomas-

thanks so much, that fixed the problem.

eric