On Tue, Feb 21, 2012 at 05:46:51PM -0800, Josh Blum wrote:
On 02/21/2012 03:30 PM, Marcus D. Leech wrote:
Yup, the precipitating characteristic appears to be that both TX and RX
facilities are in use on the same USRP1.
I was able to reproduce here with a trivial flow-graph. Sent a
Hi Folks,
I'm having some fun and games with gnuradio, a USRP1, and trying to
transmit and receive at the same time, using gnuradio-companion.
A Simple [UHD SOURCE] [UHD SINK] works perfectly, but when I
start to try to do other things, I get a Segmentation Fault from
somewhere.
Even
On Tue, Feb 21, 2012 at 11:55 AM, Iain Young, G7III g7...@g7iii.net wrote:
Hi Folks,
I'm having some fun and games with gnuradio, a USRP1, and trying to
transmit and receive at the same time, using gnuradio-companion.
A Simple [UHD SOURCE] [UHD SINK] works perfectly, but when I
start
Hi Marcus,
Thanks for the pointers, You Wrote:
I'm willing to bet that your segfault comes from our friend OpenGL:
Try this before you start your application:
export LIBGL_ALWAYS_INDIRECT=1
Tried it, no improvement.
Also try updating to latest master for Gnu Radio and UHD. If you're on
On 02/21/2012 05:05 PM, Iain Young, G7III wrote:
Hi Marcus,
Thanks for the pointers, You Wrote:
I'm willing to bet that your segfault comes from our friend OpenGL:
Try this before you start your application:
export LIBGL_ALWAYS_INDIRECT=1
Tried it, no improvement.
Also try updating to
On 21/02/12 23:04, Marcus D. Leech wrote:
Sure can. Graph is as follows:
[Null Source] --- [UHD SINK]
[UHD Source] --- [Null Sink]
Results are as follows:
Options Block/Generate Options set to QT-GUI : Runs Fine
Options Block/Generate Options set to WX-GUI : SEGV
Options Block/Generate
On 02/21/2012 06:18 PM, Iain Young, G7III wrote:
They was within the same GRC File, although not linked (IE separate
RX and TX chains)
Yup, the precipitating characteristic appears to be that both TX and RX
facilities are in use on the same USRP1.
I was able to reproduce here with a trivial
On 02/21/2012 03:30 PM, Marcus D. Leech wrote:
On 02/21/2012 06:18 PM, Iain Young, G7III wrote:
They was within the same GRC File, although not linked (IE separate
RX and TX chains)
Yup, the precipitating characteristic appears to be that both TX and RX
facilities are in use on the same
