$ cat /etc/lava-dispatcher/lava-slave
# Configuration for lava-slave daemon

# URL to the master and the logger
MASTER_URL="tcp://134.86.62.197:5556"
# LOGGER_URL="tcp://<lava-master-dns>:5555"

This should be uncommented and set to "tcp://137.86.62.197:5555"

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Rémi Duraffort

Linaro