*** This bug is a duplicate of bug 1939988 ***
https://bugs.launchpad.net/bugs/1939988
This issue affects me as well on the HP Elite Dragonfly G2. It's really
awful, I can't even start the boot process on a Ubuntu live installer.
It doesn't seem to matter how I format the USB drive either. I have
Fedora 34 installed but I cannot boot Ubuntu 20.04, 20.10, 21.04, or
21.10 at all. When selecting an entry with GRUB on a Ubuntu live key, I
just get a black screen with a blinking white cursor at the top. What
could be the problem? I regret buying this machine immensely, it has
issues already with charging and wifi. It seems that the firmware won't
allow us to boot Ubuntu or Debian or really any non-Fedora/RHEL
distribution. On Parted Magic, I get an "out of memory" error
immediately and cannot boot the image. I think this is also what is
happening with the Ubuntu live image. Is the firmware reporting
available memory incorrectly when attempting to boot or blocking
initramfs over a certain size? Is it possible to fix this? Honestly I'm
so upset at HP for introducing firmware bugs like this. No one in their
right mind would design system firmware like this to prevent the booting
of Linux.
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https://bugs.launchpad.net/bugs/1939174
Title:
GRUB2 can't boot Linux on HP Dragonfly G2
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