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Description of problem:
When booting grub2 over UEFI HTTP boot, any relative source or configfile statement will break URL and any subsequent fetches will fail. Example (root directory of a http server which contains grubx64.efi or core.efi):

grub2.cfg:
configfile /test.cfg
configfile test.cfg
configfile /test.cfg
sleep 60

test.cfg:
echo "Loaded test.cfg"

This should print:

Loaded test.cfg
Loaded test.cfg
Loaded test.cfg

However it prints:

Loaded test.cfg

It breaks the base URL somehow, any subsequent "configfile test.cfg" or even "linuxefi" and "initrdefi" will fail with an error.

This is blocking HTTP UEFI Boot feature for Satellite 6, we'd appreciate this to be fixed for both RHEL7 and 8.

Version-Release number of selected component (if applicable):
grub2-2.02-0.80.el7.x86_64

For the record, the error is: Failed to send request. status=0xf0

I'm closing this as a duplicate of Bug 1616395, please take a look to the scratch build shared there to test.

*** This bug has been marked as a duplicate of bug 1616395 ***