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Broken UEFI implementations: Difference between revisions
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''Another commenter adds:'' "Hybrid EFI" is gigabyte's name for
running an x64 uefi emulator on top of bios, which does not work at
all well. Some boards with Hybrid EFI offer a beta real
as a firmware download, which fixes most of the serious issues, but
not all. See
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Acer for some reason don't honor the BootOrder variable under most conditions. This has been an ongoing issue forever, chronicled most recently here: https://github.com/rhinstaller/efibootmgr/issues/19
== Runtime services accessing boot services memory ==
Many UEFI firmware have the issue of runtime services accessing boot services memory. There is a series of patches at https://lkml.org/lkml/2014/9/13/103 to detect these bugs without breaking systems.
(Trivia: https://lkml.org/lkml/2013/11/11/653, which uses a different approach, is written by HP that also locked access to firmware updates to paid customers not long afterwards)
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