*** This bug is a duplicate of bug 1993541 ***
https://bugs.launchpad.net/bugs/1993541
** This bug has been marked a duplicate of bug 1993541
initramfs need to mount efivarfs because kernel 6.0 deprecated 'efivars'
sysfs interface
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https://bugs.launchpad.net/bugs/1994936
Title:
initramfs need to mount efivarfs because kernel 6.0 deprecated
'efivars' sysfs interface
Status in OEM Priority Project:
Invalid
Status in initramfs-tools package in Ubuntu:
New
Status in initramfs-tools package in Debian:
Fix Released
Bug description:
[ Impact ]
kernel 6.0 deprecated efivars sysfs interface [1]. For Intel VROC
RAID, mdadm needs initramfs to mount efivarfs instead.
[1] The commit:
commit 0f5b2c69a4cbe4166ca24b76d5ada98ed2867741
Author: Ard Biesheuvel <[email protected]>
Date: Mon Jun 20 13:34:03 2022 +0200
efi: vars: Remove deprecated 'efivars' sysfs interface
[ Test Plan ]
1. Install initramfs-tools
2. update-initramfs -u
3. unmkinitramfs initrd.img-`uname -r` /tmp/extract-initramfs
4. Check if boot script 00_mount_efivarfs exists in directory
/tmp/extract-initramfs/main/scripts/init-top/
5. Check /tmp/extract-initramfs/main/scripts/init-top/ORDER if the boot
script 00_mount_efivarfs will be execute before udev.
[ Where problems could occur ]
Not sure if there any other tools/utilities also need to mount efivarfs as
early as mdadm but the probability of file conflict should be very low.
Also, there are no impact mounting efivarfs multiple times.
mount: /sys/firmware/efi/efivars: efivarfs already mounted on
/sys/firmware/efi/efivars.
[ Scope ]
Jammy, Kinetic
[ Other Info ]
The private bug link
https://bugs.launchpad.net/somerville/+bug/1990231
debian MR:
https://salsa.debian.org/kernel-team/initramfs-tools/-/merge_requests/66
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