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PASSEDqueue / hung_process
ZeroMQ 4.3 Process Hung — Not Responding to Health Checks on Fedora 40 Server
ZeroMQ 4.3 process is alive but completely unresponsive. Health checks timing out. Thread/connection pool exhausted. Requires restart.
Pattern
TIMEOUT
Severity
HIGH
Confidence
60%
Remediation
Auto-Heal
Test Results
| Metric | Expected | Actual | Result |
|---|---|---|---|
| Pattern Recognition | TIMEOUT | TIMEOUT | |
| Severity Assessment | HIGH | HIGH | |
| Incident Correlation | N/A | None | |
| Cascade Escalation | N/A | No | |
| Remediation | — | Auto-Heal — Corax resolves autonomously |
Scenario Conditions
Fedora 40 Server. ZeroMQ 4.3 PID 1008 running but not responding. All worker threads blocked. Health endpoint timing out. Last successful response 5 minutes ago.
Injected Error Messages (1)
ZeroMQ 4.3 hung on Fedora 40 Server — process alive (PID 1008) but timeout on all requests, ETIMEDOUT after 30s, all worker threads blocked, last response 5 minutes ago
Neural Engine Root Cause Analysis
Request timed out — service may be under heavy load, experiencing network issues, or behind a slow upstream.
Remediation Plan
Check server resource utilization (CPU/memory/disk). Investigate network path. Consider scaling if load-related.
Tested: 2026-04-02Monitors: 1 | Incidents: 1Test ID: cmnhnq49c058olig7itlcmy2n