MarcusNo, I haven't. This is a new VM I created running Ubuntu 18.04. Checking
to see if there's an active firewall results in the following:
tw@tw-virtual-machine:~/uhd$ sudo ufw status
Status: inactive
On Monday, August 9, 2021, 9:18:04 AM EDT, Marcus D. Leech
<patchvonbr...@gmail.com> wrote:
On 08/08/2021 10:45 PM, Tellrell White via USRP-users wrote:
Hello
I'm currently trying to update the default fpga image on a usrp n310 and I'm
getting an error. This a print out
tw@tw-virtual-machine:/usr/local/share/uhd/images$ uhd_image_loader --args
"type=n3xx,addr=172.37.104.131" --fpga-path=usrp_n310_fpga_HG.bit
[INFO] [UHD] linux; GNU C++ version 7.5.0; Boost_106501;
UHD_4.1.0.heads-v4.0.0.0-13-g240c7fdd
[INFO] [MPMD] Initializing 1 device(s) in parallel with
args:mgmt_addr=172.37.104.131,type=n3xx,product=n310,serial=316CD05,fpga=HG,claimed=False,skip_init=1
[INFO] [MPMD] Claimed device without full initialization.
[INFO] [MPMD IMAGE LOADER] Starting update. This may take a while.
[INFO] [MPM.PeriphManager] Installing component `fpga'
[INFO] [MPM.PeriphManager] Installing component `dts'
[INFO] [MPM.RPCServer] Resetting peripheral manager.
[INFO] [MPM.PeriphManager] Device serial number: 316CD05
[INFO] [MPM.PeriphManager] Initialized 2 daughterboard(s).
[INFO] [MPM.PeriphManager] init() called with device args
`clock_source=internal,time_source=internal'.
[INFO] [MPMD IMAGE LOADER] Update component function succeeded.
[WARNING] [MPM.PeriphManager.UDP.UDP] No internal interface to forward CHDR
packets to from eth0.
[INFO] [MPMD] Initializing 1 device(s) in parallel with
args:mgmt_addr=172.37.104.131,type=n3xx,product=n310,serial=316CD05,fpga=HG,claimed=False,addr=172.37.104.131,find_all=1
[WARNING] [UDP] The recv buffer could not be resized sufficiently.
Target sock buff size: 2500000 bytes.
Actual sock buff size: 212992 bytes.
See the transport application notes on buffer resizing.
Please run: sudo sysctl -w net.core.rmem_max=2500000
[WARNING] [UDP] The send buffer could not be resized sufficiently.
Target sock buff size: 2500000 bytes.
Actual sock buff size: 212992 bytes.
See the transport application notes on buffer resizing.
Please run: sudo sysctl -w net.core.wmem_max=2500000
[WARNING] [UDP] The current recv_buff_size of 212992 is less than the minimum
recommended size of 816000 and may result in dropped packets on some NICs
[WARNING] [UDP] The current send_buff_size of 212992 is less than the minimum
recommended size of 307200 and may result in dropped packets on some NICs
[ERROR] [RFNOC::GRAPH] IO Error during GSM initialization. EnvironmentError:
IOError: recv error on socket: Connection refused
[ERROR] [RFNOC::GRAPH] Caught exception while initializing graph:
EnvironmentError: IOError: recv error on socket: Connection refused
[INFO] [MPM.PeriphManager] init() called with device
args`find_all=1,fpga=HG,mgmt_addr=172.37.104.131,product=n310,clock_source=internal,time_source=internal'.
[WARNING] [MPM.PeriphManager.UDP.UDP] No internal interface to forward CHDR
packets to from eth0.
Error: RuntimeError: Failure to create rfnoc_graph.
You have you used a USRP device successfully on your host PC before? I wonder
if your firewall is blocking packets to/from UDP 49152?
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