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Segmentation fault (core dumped)

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Description

This error may occur when trying to add a stream

segmentation-fault-core-dumped

you can also see it in the server log

WARN    latest/runner.go:308    Failed to create preview: signal: segmentation fault (core dumped)

Solution

To fix the problem, you need to install the nscd package

in ubuntu/debian:

sudo apt install nscd

in fedora/centos:

dnf install nscd

Reason

For Linux, we use a static ffmpeg build from https://www.johnvansickle.com/ffmpeg. In readme.txt there is a note to the assembly:

Notes:  A limitation of statically linking glibc is the loss of DNS resolution. Installing
        nscd through your package manager will fix this.