Roon Core Rebooting when Playing

Support
1

Roon Core Machine

ROCK on NUC 8i5BNK, 16GB RAM, Current Build 1311

Networking Gear & Setup Details

Verizon FIOS Router G3100, ROCK directly connected to Router LAN port
Dedicated Ethernet CAT6 cable from router to English Electric 8Switch at audio rack
Ethernet to pair of TeraDAK Ethernet/Optical media converters (galvanic break)
Ethernet out to Custom Fanless PC endpoint running Ubuntu 20.04 and Roon Bridge (Version 1311)

Connected Audio Devices

USB from Endpoint to Chord Hugo MScaler, connected to Chord DAVE DAC (primary)
Other endpoints on the network are:
Wiim Pro Plus via AirPlay (Ethernet connected) (not active)
SONY XBR-55X950H via Chromecast (not active)
Polk MagniFi Max AX soundbar (both AirPlay and Chromecast (not active)

Number of Tracks in Library

36290 Tracks in music Library (1810) Music Library is on Synology NAS mounted to Roon Core

Description of Issue

I have been having a problem since the 1311 update where I start playing a track, whether from Qobuz or a local file in my library. It plays for a couple of seconds and then gets “Waiting for Roon Core” and the Roon Remote app loses connection. (Happens on Android, iPad tablets and Windows computer). When I connect to the Roon Web Interface, the System Status show that the Server software has restarted. After that, I am able to connect again via Roon Remote, but as soon as I start playing a track again, the issue repeats.
When this first occured, I had my Roon Core located in my audio rack with a long length of CAT6 cable from the router to the network switch at my rack, and the Roon Core connected to the switch. In troubleshooting the problem, I moved the Roon Core up to the router. I also have reworked the network settings on my router, setting up Static Leases on the Roon Core, the endpoint, and NAS. It is still managed via DHCP, however. This appeared to work for a few hours, however the problem recurred. I have also tried to isolate the network at the router, i.e., disconnecting ethernet runs to everything else but the Roon Core, NAS and the feed to the the audio system. Again, it did not fix the problem. I also bypassed the ethernet/optical bridge between the switch and the endpoint (serving as galvanic isolation), and it also did not fix the problem. I reinstalled the Roon OS via the Web Interface, and again, this did not help.

3

One thing I forgot to add, I have been able to play music via UpMPD across the network to my endpoint, streaming both from my library and Qobuz without any issue. Therefore, from a physical cable and networking standpoint, everything is OK.

4

I would like to withdraw my support request. I replaced my Roon Core with a more powerful computer, used static IP addressing for devices in the music system (NAS, Roon Core, Roon Bridge), and placed the Roon Core at the router. Performance is very snappy.

David

5

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