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Description of problem: If kernel command line parameters are added to "/etc/default/grub" and if the grub is rebuilt using grub2-mkconfig -o /boot/grub2/grub.cfg, it will never come into effect and will always fail. Version-Release number of selected component (if applicable): Observed on : RHEL 8.0 beta Kernel version : 4.18.0-32.el8.x86_64 Grub2 version : grub2-pc-2.02-57.el8.x86_64 How reproducible: This issue can always be reproduced with 100% success rate. Steps to Reproduce: 1. Fresh install RHEL 8 beta 2. Once the installation gets complete, edit "/etc/default/grub" and add kernel commandline parameters at "GRUB_CMDLINE_LINUX" line. 3. Rebuild the grub using grub2-mkconfig -o /boot/grub2/grub.cfg 4. Reboot the server and test. Actual results: The added parameters will never come into effect and the addition of parameters will always fail. Expected results: Added kernel command line parameters should work and they should come into effect. Additional info:
*** This bug has been marked as a duplicate of bug 1651686 ***