From: Plom Heller <plom@plomlompom.com>
Date: Fri, 28 Aug 2026 12:34:40 +0000 (+0200)
Subject: Fix umount failures.
X-Git-Url: https://plomlompom.com/repos/booking/%22https:/validator.w3.org/condition?a=commitdiff_plain;h=c3f591068ce6ead9cdc079238ec94f519c5829df;p=confplom

Fix umount failures.
---

diff --git a/install_debian.sh b/install_debian.sh
index 998f0d7..275e26b 100755
--- a/install_debian.sh
+++ b/install_debian.sh
@@ -120,6 +120,14 @@ lvcreate -l '100%FREE' -n "${NAME_ROOT}" "${NAME_VOLGROUP}"
 msg 'Creating EXT4 filesystem …'
 mkfs.ext4 -q "${LOGVOL_ROOT}"
 
+# to facilitate later unmounting of the chrooted system: isolate our mounts
+# against propagation to services sandboxed with PrivateMounts=yes (e.g.
+# systemd-udevd), into whose private namespaces our later umount might fail to
+# reach for closing their references e.g. into what we'll want to vgchange -an,
+# which would then be blocked by referenced devices still claimed as "busy" …
+msg "Privatize script's process' mount namespace …"
+mount --make-rprivate /
+
 # mount and install base
 msg 'Mounting %s at %s …' "${LOGVOL_ROOT}" "${PATH_MNT}"
 mkdir -p "${PATH_MNT}"