On 07/09/2018 02:00 PM, Jacob Knoles wrote:
When using GNURadio Companion, they only appear when closing the
flowgraph. On my application, which uses the same gnuradio code
directly in c++ multiple times ( creates a usrp, then a flowgraph that
uses it, stops the flowgraph, then starts another after a few seconds)
I see the errors at the end of the first, then during streaming on all
subsequent flowgraphs.
Occasionally I am getting a IOError: no response packet AssertionError
when I start streaming (typically after a couple of other stream
instances) and it causes my entire application to hang.
-----------------------------
Jacob Knoles
The issue may be twofold:
(A) When windows shuts-down a socket, it may do so in a way that is
"dirty" from UHD's perspective
(B) The correct housekeeping is probably not being done by your app to
deal with flow-graph shutdown and restart, leading to "dangling"
socket descriptors and the like.
If you could post the relevant parts of your code, or reduce it to the
minimum that shows the issue and post that, it would help us
decide whether this is a bug in UHD, or you're just using it improperly.
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