Re: [Discuss-gnuradio] USRP1 "hangs", benchmark doesn't continue
On 3/9/10 1:19 AM, Matt Ettus wrote: > Sounds like there is a clock problem. Can you measure the clock with > an oscilloscope? What about when you remove the daughterboards? I don't have one at home, but I guess I'll find someone in Zurich who has ;) Removing the daughterboards yields no change with usrp_benchmark_usb :( I hope I haven't killed the oscillator? I connected the output of X2 to each of the daugherboard connector's clock lines (clock db a p) with 47 Ohms in front of each connector. Alex signature.asc Description: OpenPGP digital signature ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
Re: [Discuss-gnuradio] USRP1 "hangs", benchmark doesn't continue
On 03/08/2010 04:10 PM, Alexander List wrote: Hi, * I've installed the latest and greatest gnuradio from git, everything compiled fine. * I have a pre-500 USRP1, and fixed the wiring of the clock to the four daughterboard sockets. * I've been running gnuradio on this hardware ~2 weeks ago successfully. Now, when I try to run anything that connects to the USRP, it just "hangs". It downloads the firmware (blinking gets slower), it identifies my two WBX boards correctly, but: Sounds like there is a clock problem. Can you measure the clock with an oscilloscope? What about when you remove the daughterboards? Matt ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
[Discuss-gnuradio] USRP1 "hangs", benchmark doesn't continue
Hi, * I've installed the latest and greatest gnuradio from git, everything compiled fine. * I have a pre-500 USRP1, and fixed the wiring of the clock to the four daughterboard sockets. * I've been running gnuradio on this hardware ~2 weeks ago successfully. Now, when I try to run anything that connects to the USRP, it just "hangs". It downloads the firmware (blinking gets slower), it identifies my two WBX boards correctly, but: ---8<--- $ /opt/gnuradio/HEAD/share/gnuradio/examples/usrp/usrp_benchmark_usb.py Testing 2MB/sec... ---8<--- ...and that's where it ends. It just hangs there. If I try usrp_oscope.py on a local radio station, I see *nothing*. I also tried usrp_wfm_rcv_nogui.py: $ usrp_wfm_rcv_nogui.py -f 100.6e6 -O plughw:0,0 -g 30 When I strace the process, I only see select(0, NULL, NULL, NULL, {0, 2000}) = 0 (Timeout) select(0, NULL, NULL, NULL, {0, 4000}) = 0 (Timeout) select(0, NULL, NULL, NULL, {0, 8000}) = 0 (Timeout) select(0, NULL, NULL, NULL, {0, 16000}) = 0 (Timeout) Any hints? Alex signature.asc Description: OpenPGP digital signature ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio