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Groups > linux.debian.bugs.dist > #1242706

Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs

From Martin-Éric Racine <martin-eric.racine@iki.fi>
Newsgroups linux.debian.bugs.dist, linux.debian.maint.boot
Subject Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs
Date 2025-04-19 14:30 +0200
Message-ID <KDfux-eI6d-5@gated-at.bofh.it> (permalink)
References <KA6H7-cAG4-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Cross-posted to 2 groups.

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On Thu, 10 Apr 2025 14:24:58 -0600 Tyler Riddle
<cardboardaardvark@gmail.com> wrote:
> Package: debian-installer
> Version: Trixie Alpha 1
> Severity: normal
> Tags: d-i
> X-Debbugs-Cc: cardboardaardvark@gmail.com, debian-boot@lists.debian.org
>
> Dear Maintainer,
>
> When using rescue mode with a root file system that is btrfs the option to
> launch a shell inside the root file system does not function. This is because
> when the Debian installer created the btrfs file system it setup a subvolume
> named rootfs and performed the install into it. When the file system is mounted
> in rescue mode it is not mounted using the subvolume so /target has a directory
> inside it named @rootfs and that directory is where the actual root file system
> is.

I've noticed the same. See #1102134.

The easy fix would be for the rescue mode to try '-o subvol=@rootfs'
first if the filesystem type is btrfs and only if that failed try
without the subvolume.

Martin-Éric

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Thread

Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Tyler Riddle <cardboardaardvark@gmail.com> - 2025-04-10 22:30 +0200
  Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Nicholas D Steeves <sten@debian.org> - 2025-04-11 03:30 +0200
    Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Cyril Brulebois <kibi@debian.org> - 2025-04-11 06:30 +0200
      Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Pascal Hambourg <pascal@plouf.fr.eu.org> - 2025-04-21 18:50 +0200
        Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Cyril Brulebois <kibi@debian.org> - 2025-04-21 20:00 +0200
          Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Tyler Riddle <cardboardaardvark@gmail.com> - 2025-04-21 20:10 +0200
          Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Pascal Hambourg <pascal@plouf.fr.eu.org> - 2025-04-21 21:10 +0200
        Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Holger Wansing <hwansing@mailbox.org> - 2025-04-21 21:10 +0200
          Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Cyril Brulebois <kibi@debian.org> - 2025-04-22 12:30 +0200
            Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Tyler Riddle <cardboardaardvark@gmail.com> - 2025-04-22 19:40 +0200
              Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Nicholas D Steeves <sten@debian.org> - 2025-04-22 22:00 +0200
          Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Nicholas D Steeves <sten@debian.org> - 2025-04-22 23:00 +0200
    Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Pascal Hambourg <pascal@plouf.fr.eu.org> - 2025-04-17 13:00 +0200
      Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Nicholas D Steeves <sten@debian.org> - 2025-04-18 03:50 +0200
        Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Pascal Hambourg <pascal@plouf.fr.eu.org> - 2025-04-18 17:50 +0200
          Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Nicholas D Steeves <sten@debian.org> - 2025-04-23 00:00 +0200
    Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Tyler Riddle <cardboardaardvark@gmail.com> - 2025-04-18 01:30 +0200
      Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Pascal Hambourg <pascal@plouf.fr.eu.org> - 2025-04-18 15:50 +0200
        Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Tyler Riddle <cardboardaardvark@gmail.com> - 2025-04-18 20:40 +0200
  Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Martin-Éric Racine <martin-eric.racine@iki.fi> - 2025-04-19 14:30 +0200
  Bug#1102604: debian-installer: Rescue mode can not execute shell when root filesystem is btrfs Martin-Éric Racine <martin-eric.racine@iki.fi> - 2025-04-23 07:40 +0200
    Bug#1102604: rescue-mode: Provide rootfs subvolume selection menu Nicholas D Steeves <sten@debian.org> - 2025-05-10 19:10 +0200
      Bug#1102604: rescue-mode: Provide rootfs subvolume selection menu Martin-Éric Racine <martin-eric.racine@iki.fi> - 2025-05-10 19:30 +0200
        Bug#1102604: rescue-mode: Provide rootfs subvolume selection menu Nicholas D Steeves <sten@debian.org> - 2025-05-10 23:00 +0200
        Bug#1102604: rescue-mode: Provide rootfs subvolume selection menu Cyril Brulebois <kibi@debian.org> - 2025-05-11 02:00 +0200
          Bug#1102604: rescue-mode: Provide rootfs subvolume selection menu Martin-Éric Racine <martin-eric.racine@iki.fi> - 2025-05-12 08:10 +0200
            Bug#1102604: rescue-mode: Provide rootfs subvolume selection menu Cyril Brulebois <kibi@debian.org> - 2025-05-12 19:00 +0200
            Bug#1102604: rescue-mode: Provide rootfs subvolume selection menu Pascal Hambourg <pascal@plouf.fr.eu.org> - 2025-05-12 19:40 +0200
            Bug#1102604: rescue-mode: Provide rootfs subvolume selection menu Nicholas D Steeves <sten@debian.org> - 2025-05-13 22:30 +0200
  Bug#1102604: rescue-mode: Provide rootfs subvolume selection menu Cyril Brulebois <kibi@debian.org> - 2025-05-13 14:50 +0200
  Bug#1102604: rescue-mode: Provide rootfs subvolume selection menu Pascal Hambourg <pascal@plouf.fr.eu.org> - 2025-05-21 12:50 +0200
  Bug#1102604: rescue-mode: Provide rootfs subvolume selection menu Pascal Hambourg <pascal@plouf.fr.eu.org> - 2025-05-21 13:30 +0200
  Bug#1102604: rescue-mode: Provide rootfs subvolume selection menu Steve McIntyre <steve@einval.com> - 2025-05-29 12:20 +0200
  Bug#1102604: rescue-mode: Provide rootfs subvolume selection menu Steve McIntyre <steve@einval.com> - 2025-05-29 12:20 +0200

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