Sorry here is what does not work: (initramfs) echo "81780AD9-068C-4A80-A795-56856973B8F9" | tr '[:upper:]' '[:lower:]'
81780AD9-068C-4A80-A795-56856973B8F9 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to initramfs-tools in Ubuntu. https://bugs.launchpad.net/bugs/1548120 Title: [xenial][initramfs-tools] support uppercase and lowercase uuids Status in initramfs-tools package in Ubuntu: Fix Released Bug description: Initramfs tools does not support uppercase UUIDs. Initramfs-tools script/functions uses blkid to determine the device name from UUID/PARTUUID but if either of those are in uppercase blkid fails to return the name. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1548120/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp

