Hi all,

We have recently encountered problems with our N320. The UHD on the host and 
the SD image file of the device have been upgraded to the latest version 
v4.2.0.0. Does anyone know how to solve this problem?

srs@srs:/usr/local/lib/uhd/examples$ ./benchmark_rate 
--args=type=n3xx,master_clock_rate=245.76e6 --tx_rate=7.68e6 --rx_rate=7.68e6

[INFO] [UHD] linux; GNU C++ version 9.4.0; Boost_107100; 
UHD_4.2.0.HEAD-0-g46a70d85
[00:00:00.000222] Creating the usrp device with: 
type=n3xx,master_clock_rate=245.76e6...
[INFO] [MPMD] Initializing 1 device(s) in parallel with args: 
mgmt_addr=192.168.10.2,type=n3xx,product=n320,claimed=False,addr=192.168.10.2,master_clock_rate=245.76e6
[INFO] [MPM.main] Launching USRP/MPM, version: 4.0.0.0-g90ce6062
[INFO] [MPM.main] Spawning RPC process...
[INFO] [MPM.Rhodium-0] Successfully loaded all peripherals!
[INFO] [MPM.Rhodium-1] Successfully loaded all peripherals!
[INFO] [MPM.PeriphManager] Initialized 2 daughterboard(s).
[INFO] [MPM.PeriphManager] No QSFP board detected: Assuming it is disabled in 
the device tree overlay (e.g., HG, XG images).
[INFO] [MPM.PeriphManager] init() called with device args 
`clock_source=internal,time_source=internal'.
[INFO] [MPM.Rhodium-0] init() called with args 
`clock_source=internal,time_source=internal'
[INFO] [MPM.Rhodium-1] init() called with args 
`clock_source=internal,time_source=internal'
[INFO] [MPM.Rhodium-0.init.LMK04828] LMK initialized and locked!
[INFO] [MPM.Rhodium-1.init.LMK04828] LMK initialized and locked!
[INFO] [MPM.Rhodium-1.DAC37J82] DAC PLL Locked!
[INFO] [MPM.Rhodium-1.AD9695] ADC PLL Locked!
[INFO] [MPM.Rhodium-1.init] JESD204B Link Initialization & Training Complete
[INFO] [MPM.Rhodium-0.DAC37J82] DAC PLL Locked!
[INFO] [MPM.Rhodium-0.AD9695] ADC PLL Locked!
[INFO] [MPM.Rhodium-0.init] JESD204B Link Initialization & Training Complete
[INFO] [MPM.RPCServer] RPC server ready!
[INFO] [MPM.RPCServer] Spawning watchdog task...
Error: rpc::timeout: Timeout of 2000ms while calling RPC function 
'supports_feature'

Best regards,
Jason
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