Re: [Discuss-gnuradio] Ver 3.7 stable?

[Martin Braun]

On 06/07/2014 06:05 PM, Mamoru Yamamoto wrote:
> Q1: I run the modified code with Ubuntu-32bit 12.04LTS.  My code worked
> for several times, but after that, it created only "0-byte" files
> (=immediate stop), and then no files were created.  I checked the uhd
> status, and found that "uhd_find_devices" was successful while
> "uhd_usrp_probe" failed (see below).  I now connect USRP1 to USB3 port.
>  Is this wrong?

It's not wrong, but it doesn't help you with anything. Does it work on
the USB2 port?

> Q2: I also tried to use the same V3.7 code with Ubuntu-64bit 12.04LTS.
> But output file from my code is always 0-bytes (=immediate stop).
> Please tell me if 64bit OS is useless.

No, it's not. Are you sure this is not connected to the USB error?

M
> 
> === Check after the problem (Q1) ===
> address@hidden:~/beaconRX$ uhd_find_devices
> linux; GNU C++ version 4.6.3; Boost_104800; UHD_003.007.001-72-g383061d8
> 
> --------------------------------------------------
> -- UHD Device 0
> --------------------------------------------------
> Device Address:
>     type: usrp1
>     name:
>     serial: 2R24X5U1
> 
> 
> address@hidden:~/beaconRX$ uhd_usrp_probe
> linux; GNU C++ version 4.6.3; Boost_104800; UHD_003.007.001-72-g383061d8
> 
> -- Opening a USRP1 device...
> Error: RuntimeError: usb rx6 submit failed: LIBUSB_ERROR_IO
> 
> ==============================
> 
> Thanks for your help and suggestions.
>