Re: [Discuss-gnuradio] help : how long usrp can run continously in norma
From:
Kieran Brownlees
Subject:
Re: [Discuss-gnuradio] help : how long usrp can run continously in normal environment.
Date:
Fri, 10 Sep 2010 10:19:05 +1200
We have seen the same behaviour when trying to run overnight on the USRP1, the flowgraph was just doing FM mod (LFRX in LFTX out) and it had a graphical sink. Have the flowgraphs you used been made in GRC (ie could this be a wx issue?).
Kieran
On Fri, Sep 10, 2010 at 5:32 AM, Marcus D. Leech <address@hidden> wrote:
On 09/09/2010 11:42 AM, Anil Sharma wrote:
Hi everyone,
I want to test something with usrp running continously under normal
environment.
Can someone tell me the real data of how long usrp is capable of
running continously.
Thanks.
_______________________________________________
D
Three years ago, I used to run my USRP1-based radio astronomy software
for months at a time
with no issue.
In the last year or so, I've been unable to maintain those kinds of
uptimes with either USRP1 or
USRP2, which I ascribe to fundamental changes in Gnu Radio, but I
haven't been able to put
my finger on exactly which flow-graphs will "wedge" after a few days,
and which ones will
keep going and going. I have one flow-graph that uses the USRP2 at
low bandwidths (400Ksps
or so) that seems to be able to run forever. Another, similar
flowgraph, will tend to "wedge"
after a few days.
I also have a flow-graph that uses an ALSA source and sink, and it can
only run for a few
days before "wedging".
I think the USRP *hardware and drivers* are perfectly capable of
running forever, but the
current Gnu Radio seems to have issues that I haven't been able to
pin-point with long-running
applications.
--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org