Public bug reported:
os-prober doesn't recognize a grub devicetree statement which results in
an unbootable grub entry.
I.e. from /boot/grub/grub.cfg on /dev/nvme0n1p5:
menuentry 'Ubuntu' --class ubuntu --class gnu-linux --class gnu --class os
$menuentry_id_option 'gnulinux-simple-ddc4f4b5-4f16-419d-aa64-50bbafcc93ae' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_gpt
insmod ext2
search --no-floppy --fs-uuid --set=root
ddc4f4b5-4f16-419d-aa64-50bbafcc93ae
linux /boot/vmlinuz-6.8.0-31-generic
root=UUID=ddc4f4b5-4f16-419d-aa64-50bbafcc93ae ro clk_ignore_unused
pd_ignore_unused arm64.nopauth
initrd /boot/initrd.img-6.8.0-31-generic
devicetree /boot/dtb-6.8.0-31-generic
}
But os-prober (running from /dev/nvme0n1p6) constructs the following
(missing devictree line):
menuentry 'Ubuntu 23.10 (23.10) (on /dev/nvme0n1p5)' --class ubuntu --class
gnu-linux --class gnu --class os $menuentry_id_option
'osprober-gnulinux-simple-ddc4f4b5-4f16-419d-aa64-50bbafcc93ae' {
insmod part_gpt
insmod ext2
search --no-floppy --fs-uuid --set=root
ddc4f4b5-4f16-419d-aa64-50bbafcc93ae
linux /boot/vmlinuz-6.8.0-31-generic
root=UUID=ddc4f4b5-4f16-419d-aa64-50bbafcc93ae ro clk_ignore_unused
pd_ignore_unused arm64.nopauth
initrd /boot/initrd.img-6.8.0-31-generic
}
** Affects: os-prober (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2065155
Title:
os-prober ignores grub devicetree statement
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