# \#overlay

**URL:** https://hub.mender.io/tag/overlay/263.md

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## ["Mounted root does not match boot loader environment" error with overlayroot setup](https://hub.mender.io/t/mounted-root-does-not-match-boot-loader-environment-error-with-overlayroot-setup/7911)

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**Author:** [@adbjo](https://hub.mender.io/u/adbjo)\
**Replies:** 5\
**Last updated:** [July 10, 2026, 6:42pm UTC](https://hub.mender.io/t/mounted-root-does-not-match-boot-loader-environment-error-with-overlayroot-setup/7911 "2026-07-10T18:42:48Z")

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When using the overlayroot package on Debian to mount a rw overlay on top of a ro rootfs, the rootfs update module fails with the following error: "Mounted root does not match boot loader environment ($1)!" See this li…

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## [Applying overlay changes ownership of root partition](https://hub.mender.io/t/applying-overlay-changes-ownership-of-root-partition/4762)

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**Author:** [@sensslen](https://hub.mender.io/u/sensslen)\
**Replies:** 2\
**Last updated:** [November 7, 2023, 12:00pm UTC](https://hub.mender.io/t/applying-overlay-changes-ownership-of-root-partition/4762 "2023-11-07T12:00:41Z")

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I recently needed to add an overlay to my build. I do prepare the overlay as normal user. Unfortunately applying the overlay does change ownership of the root partition, as the overlay is applied using rsync. As a quick …