[pve-devel] [PATCH docs] system-booting: add note about weird uefi behaviour

Christoph Heiss c.heiss at proxmox.com
Wed Nov 22 18:45:02 CET 2023

Signed-off-by: Christoph Heiss <c.heiss at proxmox.com>
This is essentially what Fabian and Aaron discovered earlier today. Just
let users know that if that happens, it's not something we can do much
about on our end.

 system-booting.adoc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/system-booting.adoc b/system-booting.adoc
index 1a10393..cddddd0 100644
--- a/system-booting.adoc
+++ b/system-booting.adoc
@@ -483,6 +483,12 @@ If, for any reason, no `proxmox` entry can be found in the UEFI boot menu, you
 can try adding it manually (if supported by the firmware), by adding the file
 `\EFI\proxmox\shimx64.efi` as a custom boot entry.

+NOTE: Some UEFI firmwares are known to drop the `proxmox` boot option on reboot.
+This can happen if the `proxmox` boot entry is pointing to a Grub installation
+on a disk, where the disk itself not a boot option. If possible, try adding the
+disk as a boot option in the UEFI firmware setup utility and run
+`proxmox-boot-tool` again.
 TIP: To enroll custom keys, see the accompanying
 Boot wiki page].

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