drkonqi-coredump-pickup.service is a dependency for plasma-core.target and started with session. Systemd service file contains "RuntimeMaxSec=30 minutes" parameter and instance killed by systemd after 30 min with message: drkonqi-coredump-pickup.service: Service reached runtime time limit. Stopping. drkonqi-coredump-pickup.service: Failed with result 'timeout'. Also systemctl --user status show "Degraded" state after 30 min.
We ship that file as-is without modifications, so you should contact upstream about your problem.