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Re: [Discuss-gnuradio] Is WUBI (Lucid) a viable environment for GNU-Radi

From: John Shields
Subject: Re: [Discuss-gnuradio] Is WUBI (Lucid) a viable environment for GNU-Radio (3.2.2) ?
Date: Wed, 22 Sep 2010 04:49:35 +1200

Thanks Eric, will do though I used the sealed one given by Ettus but stranger things have happened.

I had also wondered about whether the USB ports on my laptop were running fast enough and before I posted, have confirmed "Enhanced" in the Host Controller description.

I wonder if U is underun and O is overrun? I briefly looked at the source but am not familiar with GNU_Radio and it's classes.

Thanks again for your suggestion,



----- Original Message ----- From: "Eric Blossom" <address@hidden>
To: "John Shields" <address@hidden>
Cc: <address@hidden>
Sent: Wednesday, September 22, 2010 3:31 AM
Subject: Re: [Discuss-gnuradio] Is WUBI (Lucid) a viable environment for GNU-Radio (3.2.2) ?

On Tue, Sep 21, 2010 at 08:24:53PM +1200, John Shields wrote:
I recently purchased a USRP and have a fresh install of WUBI (HP Pavillion DV5 , Windows Home Vista) and used gnuradio.org/redmine/wiki/gnuradio/UbuntuInstall to install things.

I passed 'make check' correctly

I have my username in the group usrp

address@hidden:~/gnuradio$ ls -lR /dev/bus/usb | grep usrp
crw-rw---- 1 root usrp 189, 132 2010-09-21 11:14 005

when I execute ./usrp_benchmark_usb.py I get:

Testing 2MB/sec... gr_vmcircbuf_createfilemapping: createfilemapping is not available /home/john/.gnuradio/prefs/gr_vmcircbuf_default_factory: Permission denied

and it hangs so I kill it

[1]+  Stopped                 ./usrp_benchmark_usb.py

I cannot repeat this operation as I get

Testing 2MB/sec... usrp_open_interface:usb_set_alt_interface: failed
could not set alt intf 0/0: Connection timed out
open_nth_cmd_interface: open_cmd_interface failed
usrp: failed to load firmware /usr/share/usrp/rev4/std.ihx.
Traceback (most recent call last):
  File "./usrp_benchmark_usb.py", line 106, in <module>
    main ()


Just to rule out a flakey cable, can you try using a different USB 2 cable?


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