Not sure how much help you might get here. Your use case is pretty atypical. I think Jellycon produces logs. Not sure where. Maybe those will give us some info we can work with?
Jellyfin 10.10.7 (Docker)
Ubuntu 24.04.2 LTS w/HWE
Intel i3 12100
Intel Arc A380
OS drive - SK Hynix P41 1TB
Storage
4x WD Red Pro 6TB CMR in RAIDZ1