** Changed in: initramfs-tools (Ubuntu)
Milestone: ubuntu-16.01 => ubuntu-16.02
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https://bugs.launchpad.net/bugs/1531928
Title:
[Xenial] root=PARTUUID=<partuuid> is not recognized as valid syntax.
Status in initramfs-tools package in Ubuntu:
In Progress
Bug description:
As per kernel source init/do_mounts.c root=PARTUUID=<partuuid> is acceptable
format to pass root= option on command line to boot a system. But due to a bug
in initramfs-tools this syntax does not work
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=801154
/*
* Convert a name into device number. We accept the following variants:
*
* 1) <hex_major><hex_minor> device number in hexadecimal represents
itself
* no leading 0x, for example b302.
* 2) /dev/nfs represents Root_NFS (0xff)
* 3) /dev/<disk_name> represents the device number of disk
* 4) /dev/<disk_name><decimal> represents the device number
* of partition - device number of disk plus the partition number
* 5) /dev/<disk_name>p<decimal> - same as the above, that form is
* used when disk name of partitioned disk ends on a digit.
* 6) PARTUUID=00112233-4455-6677-8899-AABBCCDDEEFF representing the
* unique id of a partition if the partition table provides it.
* The UUID may be either an EFI/GPT UUID, or refer to an MSDOS
* partition using the format SSSSSSSS-PP, where SSSSSSSS is a zero-
* filled hex representation of the 32-bit "NT disk signature", and PP
* is a zero-filled hex representation of the 1-based partition
number.
* 7) PARTUUID=<UUID>/PARTNROFF=<int> to select a partition in relation
to
* a partition with a known unique id.
* 8) <major>:<minor> major and minor number of the device separated by
* a colon.
*
Please merge the patch from debian in xenial to support PARTUUID in
initramfs.
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