Recompile kernel Issue

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I Have been installed RHEL 7.8 on Dell PowerEdge 7525 server.
The installation is fine and I am able to use the OS.
But I want to recompile the kernel version with 4.9.184.
After installation I am facing booting issue. Linux is not booting and stuck on Dracut menu.
Getting the following error:
Warning: /dev/mapper/rhel-root does not exist
Warning: /dev/rhel/root does not exist
Warning: /dev/rhel/swap does not exist

I have been tried to regenerate initramfs using "dracut -f" command but the issue remains same.

But If I recompile 4.17.11 kernel then everyting is working without any issue.

Please suggest.
Thanks.

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