EC2 EBS, KMS & Crash Dump Failure Diagnostics

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	Ubuntu AMI Reboot Failure	#LABEL=UEFI commented out in fstab	Manually uncomment EFI entry in /etc/fstab after bundle
2	EBS Volume Stuck in busy	"State": "busy" on detach	sudo umount -d /dev/sdh
3	EBS Attach Fails — KMS Pending Deletion	is pending deletion in event detail	N/A
4	EBS Create Fails — KMS Disabled	is disabled in event detail	N/A
5	Unresponsive Instance — kdump Required	kdump.service active but instance hung	aws ec2 send-diagnostic-interrupt --instance-id <id>