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Independent Proxmox-host backstop to the in-app dream budget: a systemd timer runs every ~2 min and stops lyra-brain if the MI50 is busy >=1hr continuously OR junction >=97C for ~6 min, then pings Brian via ntfy. Trips on duration only after a full hour so a legit ~40-min manual workload runs untouched. GPU temp/use read from host rocm-smi; stop via 'pct exec 202 -- docker stop'. Parsing + duration/temp decision logic dry-run-verified locally against real rocm-smi output format (4 scenarios). NOT yet installed/live-verified — card is off and Brian's away; install + trip-test per deploy/mi50-watchdog/README.md when it's back. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_015yrEb5qpPGv2FjyxrB7LLk
MI50 runaway watchdog (fallback layer "A")
Independent host-side backstop to Lyra's in-app dream-cycle budget (layer "C",
lyra/dream.py). Stops the llama.cpp backend if the MI50 is busy too long or too
hot, and pings Brian. See
docs/superpowers/specs/2026-07-04-mi50-runaway-guards-design.md.
What it does
Runs on the Proxmox host (10.0.0.4) via a systemd timer, every ~2 min:
- Duration: if the GPU is busy (
rocm-smiuse% > 0) for 3600s continuously, it stops the container. Any idle read resets the streak, so a legitimate ~40-min manual workload never trips it. - Temperature: if junction ≥ 97°C for 3 consecutive checks (~6 min), it stops the container — independent of duration.
- On either trip:
pct exec 202 -- docker stop lyra-brain, clear state,loggera line, and POST to your ntfy topic.
All thresholds are Environment= overrides in the .service.
Install (on the Proxmox host, as root)
# copy the three files up (from the repo, on lyra-cortex):
scp -i ~/.ssh/id_lyra_proxmox deploy/mi50-watchdog/mi50-watchdog.sh \
root@10.0.0.4:/usr/local/sbin/mi50-watchdog.sh
scp -i ~/.ssh/id_lyra_proxmox deploy/mi50-watchdog/mi50-watchdog.{service,timer} \
root@10.0.0.4:/etc/systemd/system/
# on the host:
chmod +x /usr/local/sbin/mi50-watchdog.sh
# set your ntfy topic (same one Lyra uses) in the service:
sed -i 's/CHANGE_ME/YOUR_NTFY_TOPIC/' /etc/systemd/system/mi50-watchdog.service
systemctl daemon-reload
systemctl enable --now mi50-watchdog.timer
Verify (when the card is back and healthy)
# dry run once, watch what it decides:
NTFY_URL= /usr/local/sbin/mi50-watchdog.sh; echo "exit $?"
journalctl -t mi50-watchdog -n 20 --no-pager
# force a trip test with tiny thresholds (won't touch a healthy idle card unless busy):
MAX_BUSY_SEC=60 TEMP_KILL_C=40 TEMP_KILL_STREAK=1 /usr/local/sbin/mi50-watchdog.sh
# confirm it stopped lyra-brain + sent the ntfy, then restart the container.
systemctl list-timers mi50-watchdog.timer # confirm it's scheduled
Not yet installed / live-verified — staged here on 2026-07-04 while the card is off and Brian is away. Install + trip-test when the MI50 is back.