EC2 OOM & ENA Memory Failure Diagnostics

Data strictly extracted from official AWS troubleshooting documentation. Click the symptom below to get the targeted diagnostic commands.

🚨 Step 1: What specific error symptom are you experiencing?

Please click the most accurate description:

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Quick Reference Table

#	Scenario	Key Error Signal	Primary Diagnostic
1	OOM Killer Terminating Processes	Out of memory: kill process	ps aux --sort=-%mem + dmesg | grep oom
2	ENA MMIO Register Read Timeout	ena_com_reg_bar_read32 reading reg failed	modinfo ena | grep version + update ENA driver
3	ENA RX Buffer Allocation Failure	failed to alloc buffer for rx queue	ethtool -S eth0 | grep alloc + free -h
4	ENA SKB Allocation Failure	queue_N_rx_skb_alloc_fail: N	ethtool -S eth0 | grep skb + /proc/meminfo