Why does kdump fails to start on kernel-rt booted on UEFI secure boot setup?
Issue
- Why does kdump fails to start on kernel-rt booted on UEFI secure boot setup?
# kdumpctl start
kdump: kexec: failed to load kdump kernel
kdump: Starting kdump: [FAILED]
From /var/log/kdump.log
kexec_file_load failed: Operation not permitted
Environment
- UEFI Secure Boot Enabled.
- kernel-rt
- Red Hat Enterprise Linux 8.3 and above.
- Red Hat Enterprise Linux 9.
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