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-rw-r--r--wiki/src/blueprint/UEFI_Secure_boot.mdwn8
1 files changed, 7 insertions, 1 deletions
diff --git a/wiki/src/blueprint/UEFI_Secure_boot.mdwn b/wiki/src/blueprint/UEFI_Secure_boot.mdwn
index 266d323..1b246f3 100644
--- a/wiki/src/blueprint/UEFI_Secure_boot.mdwn
+++ b/wiki/src/blueprint/UEFI_Secure_boot.mdwn
@@ -11,7 +11,13 @@ enabled, without the user having to do _anything_ special about it.
Means: use the shim signed by Microsoft + GRUB2.
We don't support booting on a custom built kernel, so that should be
-relatively easy.
+relatively easy. Except:
+
+* The kernel won't allow loading an unsigned `aufs` module so we need
+ to migrate to `overlayfs` ([[!tails_ticket 8415]]).
+* `overlayfs` does not allow stacking enough layers for our current
+ upgrade system, so we need to [[!tails_ticket 15281 desc="stack one
+ single SquashFS diff when upgrading"]].
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