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[Discuss-gnuradio] Unable to find USRP #0
From: |
Lee Patton |
Subject: |
[Discuss-gnuradio] Unable to find USRP #0 |
Date: |
Wed, 24 May 2006 16:25:18 -0400 |
I just started using my RFX-2400 today, and all was going well. I had
used usrp_{oscope,fft}.py as regular user without incident. All of a
sudden, I started getting the "Unable to find USRP #0" runtime error.
It is probably something I've done, but I have no idea what. The usbfs
is mounted. I ran the scripts as both regular user as well as root. The
LED is flashing at about 10 Hz.
Potentially helpful background:
Sometime ago, I upgraded to my kernel (so I could use my IPod) from
2.6.9 to 2.6.12 using the package manager under Fedora Core 3. Things
seemed a little screwy after that. So, I always boot into 2.6.9 now.
Recently, I noticed I can no longer use my USB pen drive or external
hard drive. Something keeps deleting /dev/sda*. However, I mount the
USRP under /proc/bus/usb, which is still there.
Any ideas? Here's the error message.
Traceback (most recent call last):
File "./usrp_fft.py", line 237, in ?
main ()
File "./usrp_fft.py", line 233, in main
app = stdgui.stdapp(app_flow_graph, "USRP FFT", nstatus=1)
File "/gnuradio/gr/lib/python2.3/site-
packages/gnuradio/wxgui/stdgui.py", line 36, in __init__
wx.App.__init__ (self, redirect=False)
File "/gnuradio/gr/lib/python2.3/site-packages/wx-2.6-gtk2-
ansi/wx/_core.py", line 7473, in __init__
self._BootstrapApp()
File "/gnuradio/gr/lib/python2.3/site-packages/wx-2.6-gtk2-
ansi/wx/_core.py", line 7125, in _BootstrapApp
return _core_.PyApp__BootstrapApp(*args, **kwargs)
File "/gnuradio/gr/lib/python2.3/site-
packages/gnuradio/wxgui/stdgui.py", line 39, in OnInit
frame = stdframe (self.flow_graph_maker, self.title, self._nstatus)
File "/gnuradio/gr/lib/python2.3/site-
packages/gnuradio/wxgui/stdgui.py", line 60, in __init__
self.panel = stdpanel (self, self, flow_graph_maker)
File "/gnuradio/gr/lib/python2.3/site-
packages/gnuradio/wxgui/stdgui.py", line 81, in __init__
self.fg = flow_graph_maker (frame, self, vbox, sys.argv)
File "./usrp_fft.py", line 78, in __init__
self.u = usrp.source_c(decim_rate=options.decim)
File "/gnuradio/gr/lib/python2.3/site-packages/gnuradio/usrp.py", line
240, in __init__
_ensure_rev2(which)
File "/gnuradio/gr/lib/python2.3/site-packages/gnuradio/usrp.py", line
82, in _ensure_rev2
v = _look_for_usrp(which)
File "/gnuradio/gr/lib/python2.3/site-packages/gnuradio/usrp.py", line
76, in _look_for_usrp
raise RuntimeError, "Unable to find USRP #%d" % (which,)
RuntimeError: Unable to find USRP #0
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