[USRP-users] "Cannot create route from device" error

[Kevin Williams]

Hi Everyone,

I am getting an error "RuntimeError: Cannot create route from device:1/sep:3
and device:1/sep:3, no route was found!" when trying to connect routes in an
rfnoc graph on an N300. (UHD 4.8)

The image shows the following static routes:

|   |       Static connections on this device:
|   |
|   |   * 0/SEP#0:0==>0/Radio#0:0
|   |   * 0/SEP#1:0==>0/Radio#0:1
|   |   * 0/Radio#0:0==>0/SEP#3:0
|   |   * 0/Radio#0:1==>0/SEP#4:0
|   |   * 0/SEP#3:0==>0/PolConverter#0:0
|   |   * 0/SEP#4:0==>0/PolConverter#0:1
|   |   * 0/PolConverter#0:0==>0/SEP#2:0

But if I try and connect the radio to my rfnoc block with:

g_graph.connect("0/Radio#0",   0, "0/PolConverter#0",  0)

but get the error above.

I have tried:

uhd.rfnoc.connect_through_blocks(
                    g_graph,
                    "0/Radio#0",
                    0,
                    "0/PolConverter#0",
                    0,
                    skip_property_propagation = True)

But this also fails with the same error (with skip true or false).

I also see there are some recent issues on github regarding this.

Is there perhaps any further information?

Many thanks, Kevin

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