Bug#980782: Info received (Bug#980782: Acknowledgement (os-prober: linux-boot-prober returning "root=/dev/dm-X" line instead of expected "root=UUID=[UUID128]))

To: 980782@bugs.debian.org
Subject: Bug#980782: Info received (Bug#980782: Acknowledgement (os-prober: linux-boot-prober returning "root=/dev/dm-X" line instead of expected "root=UUID=[UUID128]))
From: Mirko Vogt <bugs-debian@nanl.de>
Date: Fri, 22 Jan 2021 05:38:15 +0100
Message-id: <[🔎] 6074279f-4fe1-334c-e6bd-4327bdcabb95@nanl.de>
Reply-to: Mirko Vogt <bugs-debian@nanl.de>, 980782@bugs.debian.org
In-reply-to: <handler.980782.B980782.161128976527777.ackinfo@bugs.debian.org>
References: <[🔎] e930caad-5b22-cce1-5d7f-8f3a31f4c8cf@nanl.de> <handler.980782.B980782.161128976527777.ackinfo@bugs.debian.org> <[🔎] c0b8bcf9-c203-05dd-3ce6-c0778cf37eff@nanl.de>

Looking at /usr/share/initramfs-tools/scripts/local-top/lvm2 moreclosely, passing a UUID also wouldn't trigger a `vgchange -ay` here.

But a path like /dev/mapper/X would.

So maybe the question is rather: how to make os-prober return a"root=/dev/mapper/X" line instead of one containing a UUID(?)

Reply to:

Follow-Ups:
- Bug#980782: Info received (Bug#980782: Acknowledgement (os-prober: linux-boot-prober returning "root=/dev/dm-X" line instead of expected "root=UUID=[UUID128]))
  - From: Nicholas D Steeves <nsteeves@gmail.com>

References:
- Bug#980782: Acknowledgement (os-prober: linux-boot-prober returning "root=/dev/dm-X" line instead of expected "root=UUID=[UUID128])
  - From: Mirko Vogt <bugs-debian@nanl.de>
- Bug#980782: os-prober: linux-boot-prober returning "root=/dev/dm-X" line instead of expected "root=UUID=[UUID128]
  - From: Mirko Vogt <bugs-debian@nanl.de>