[arm-allstar] 2nd node setup issue

[Paul - KN2R]

I see you are using an RPi-4.
This was posted a little while ago on the HamVoIP.org web site:


In June, 2020, it came to our attention that there is a problem with using
two or more USB sound fobs on the Raspberry Pi 4B (RPi4B). The symptoms
include erratic behavior of each USB fob interface. This problem is NOT
present when using RPi2B, RPi3B, RPi3A+ and RPi3B+ boards---only the RPi4B.

This issue appears to be a Linux Kernel bug and is not an identified problem
with the actual HamVoIP code. We're looking for a resolution ASAP and will
provide a firmware update once this problem is resolved.

For now, the RPi4B boards work great for single USB fob nodes, which is has
always been the HamVoIP recommended configuration. The RPi4B also makes a
GREAT AllStar hub, handling more than 150 simultaneous connections. If you
must have multiple USB fobs on a single system, for now use the RPi3B+.


Paul / KN2R


-----Original Message-----
From: ARM-allstar [mailto:arm-allstar-bounces at hamvoip.org] On Behalf Of
"Robert Conklin via ARM-allstar"
Sent: Saturday, August 29, 2020 1:12 PM
To: ARM Allstar
Cc: Robert Conklin
Subject: [arm-allstar] 2nd node setup issue

I have done this many times before by following instructions for setting up
a 2nd node in "hamvoip setup-config.pdf"., this is1st time it is not working
correctly for me.
After the 2nd node setup procedure is completed the CT and all other audio
on the primary node goes away. I can key up the repeater, and I can see the
"Set RX Level Display" respond to audio input, but no audio out of the
repeater. If I unplug the second URI (USB2), audio on the primary is
restored. I have not moved the URI connections to different USB ports. What
might I be doing incorrectly? Am using an Rpi4 and two DMK URI's. Main rptr
is a Quantar, 2nd node is for a link/remote base radio.

--
Robert Conklin
*N4WGY <http://qrz.com/db/N4WGY>*
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