EC2 ENA Driver and Kernel Boot Troubleshooting

Data strictly extracted from official AWS troubleshooting documentation. Click the symptom below to get the targeted CLI remediation 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 Fix
1	ENA Keep-alive Watchdog Timeout	Keep alive watchdog timeout	N/A
2	ENA MMIO Register Read Timeout	ena_com_reg_bar_read32 reading reg failed for timeout	N/A
3	Modprobe Runaway Loop	request_module: runaway loop modprobe binfmt-464c	Terminate and launch new instance with –kernel and –ramdisk parameters