[Bug 137314] Re: blkid shows outdated / wrong UUID

[Avio]

It's happening to me now on a RPI3 with Ubuntu 16.04 armhf. Yesterday
evening I've deleted two old ext3 partitions to make room for a small
BTRFS RAID1 2x 20 Gb partitions and now I was looking for the PARTUUID
to write it in cmdline.txt. So blkid had plenty of time to reflect the
new layout.

ii  util-linux                                2.27.1-6ubuntu3.6
armhf                     miscellaneous system utilities

I've tried also with partprobe, to no avail.

ii  libparted2:armhf           3.2-15       armhf        disk partition manipulator - shared library
ii  parted                     3.2-15       armhf        disk partition manipulator

Both fdisk and parted print the correct layout.

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https://bugs.launchpad.net/bugs/137314

Title:
  blkid shows outdated / wrong UUID

Status in e2fsprogs package in Ubuntu:
  Invalid

Bug description:
  Binary package hint: libblkid1

  blkid shows outdated and wrong information on UUID and label for
  partitions that were reformatted after initial installation.

  After reformatting and relabeling partitions, blkid does not reflect
  the change (not even after reboot) and delivers misleading information
  about which UUID to put in /etc/fstab to mount the partition by UUID.

  This causes boot failures on systems which were restored by partition-
  imaging software that possibly changes the UUID of the restored
  partition (which is necessary, if there is already another partition
  present with the same UUID). Also installation of a second Linux
  system on the same Computer regularly reformats the swap-space, so the
  previously installed system doesn't find its swap anymore.

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