Hi Ofer, does the probe work if you specify the radio's IP address? e.g.
something like:
uhd_usrp_probe --args addr=192.168.10.2
If that syntax works, then you might try switching between the SFP+ port (via
copper adapter) and the native RJ45. My memory could be mistaken here, but I
vaguely recall that MPM discovery for an E320 worked using one of those ports
but not the other. However, if you specify the address, it would work with
either port. Again, I'm working from fuzzy memory here..
Hope this helps,
David
From: Ofer <o...@navigicom.com>
Sent: Saturday, July 29, 2023 1:47 AM
To: usrp-users@lists.ettus.com
Subject: [USRP-users] E320 not detecting any devices after power failure
Hello all,
I operate a USRP E320 using an externa battery. Usually I have time to shut it
down in an orderly fashion before the battery is depleted.
On one occasion it happened that the battery was depleted before I had a chance
to shut it down properly.
Since then when I run uhd_usrp_probe I get a message that no devices could be
detected.
The E320 boots up normally and I can communicate with it using both serial
console and LAN.
I initially suspected an SD card image corruption and I tried to rewrite the
image using mender.
I tried the same version I am using (UHD 4.1.0.5) and I tried a newer version
UHD 4.4.0.0 and and older version UHD 3.15.LTS.
Nothing seems to help. The E320 still reports "No devices found". I even tried
uhd_usrp_probe with an argument of IP address. Nothing helps.
Here is a sample dump:
root@ni-e320:~# uhd_usrp_probe
[INFO] [UHD] linux; GNU C++ version 9.2.0; Boost_107100; UHD_4.4.0.0-0-g5fac246b
[INFO] [MPMD FIND] Found MPM devices, but none are reachable for a UHD session.
Specify find_all to find all devices.
Error: LookupError: KeyError: No devices found for ----->
Empty Device Address
Can someone help me fix this problem? Point me in the right direction?
Is it fixable by myself or do I have to return the unit to be serviced?
Thanks,
Ofer Saferman
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