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Re: [Discuss-gnuradio] Segfault
From: |
Stefan Ott |
Subject: |
Re: [Discuss-gnuradio] Segfault |
Date: |
Wed, 14 Mar 2012 18:55:04 +0100 |
On Wed, Mar 14, 2012 at 18:48, Nick Foster <address@hidden> wrote:
> On Wed, Mar 14, 2012 at 10:42 AM, Stefan Ott <address@hidden> wrote:
>>
>> Hey list
>>
>> I managed to build gnuradio 3.5.1 and (almost) got it working on the
>> USRP E110. However, when I try to run uhd_rx_cfile.py (with
>> --samp-rate 10e6 -f 97.7e6) it segfaults. You will find the log below.
>
>
> So there is essentially no chance the E110 can record to Flash at 10Msps. It
> probably won't sustain flash writes at 500ksps. Try a lower sample rate, or
> a small number of samples written to a tmpfs instead.
>
> That said, it shouldn't segfault, even at high sample rates. Does a lower
> rate work OK?
I am actually writing to RAM so that shouldn't be the problem. And
yes, it also segfaults at lower sample rates (I tried multiple values
down to 1) and with a small number of samples (also tried just 1
sample).
It would seem that the very idea of reading from the device causes the segfault.
cheers
--
Stefan Ott
Communication and Distributed Systems
Institute of Computer Science and Applied Mathematics
University of Bern
Re: [Discuss-gnuradio] Segfault, Philip Balister, 2012/03/14