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,
Regards,
John
----- Original Message -----
From: "Eric Blossom" <e...@comsec.com>
To: "John Shields" <john.shie...@xtra.co.nz>
Cc: <discuss-gnuradio@gnu.org>
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
j...@ubuntu:~/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
uUuOuUuOuUuOuUuOuUuOuUuOuUuOuUuOuUuOuUuOuUuOuOuUuOuUuOuUuOuUuOuUuOuUuOuU^Z
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 ()
snip.........
Just to rule out a flakey cable, can you try using a different USB 2
cable?
Eric
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