Public bug reported:
If MODULES=dep is used to create a smaller initramfs, it will fail if
the system has its root on NVME device.
# grep ^MODULES /etc/initramfs-tools/initramfs.conf
MODULES=dep
# update-initramfs -u
update-initramfs: Generating /boot/initrd.img-3.19.0-43-generic
mkinitramfs: for root /dev/nvme0n1p1 missing nvme /sys/block/ entry
mkinitramfs: workaround is MODULES=most
mkinitramfs: Error please report the bug
update-initramfs: failed for /boot/initrd.img-3.19.0-43-generic with 1.
/usr/share/initramfs-tools/hook-functions is missing an entry for NVME
devices so it falls back to a default value which is inadequate
I will open a bug in Debian as well which has the same issue in Sid.
The upcoming version in experimental changes the logic which may or may
not fix the problem.
** Affects: initramfs-tools (Ubuntu)
Importance: Medium
Assignee: Louis Bouchard (louis-bouchard)
Status: Confirmed
** Changed in: initramfs-tools (Ubuntu)
Status: New => Confirmed
** Changed in: initramfs-tools (Ubuntu)
Importance: Undecided => Medium
** Changed in: initramfs-tools (Ubuntu)
Assignee: (unassigned) => Louis Bouchard (louis-bouchard)
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https://bugs.launchpad.net/bugs/1532146
Title:
update-initramfs fails for MODULES=dep when root is on nvme device
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