On Thu, 10 Apr 2025 14:24:58 -0600 Tyler Riddle <[email protected]> wrote: > Package: debian-installer > Version: Trixie Alpha 1 > Severity: normal > Tags: d-i > X-Debbugs-Cc: [email protected], [email protected] > > 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
