4 ms·
This wasn’t an OS problem though, so that wouldn’t have helped. It was the data their module loaded which they change constantly. That would make it a very bad
by MBCook 2y ago
This wasn’t an OS problem though, so that wouldn’t have helped. It was the data their module loaded which they change constantly. That would make it a very bad fit for a sealed system partition.
Also I believe Apple Silicon Macs do what you suggest, at least in part. I don’t know if they can fall back after an upgrade failure but everything is validated and signed and tamper proof.
- jiggawatts 2y agoIt was a kernel-mode code issue however. The same design could be applied: customisations get put into duplicated read-only overlay images. Any boot issue automatically triggers a rollback, and a manual option is provided to roll back to the vanilla base image as well in the troubleshooting boot menu.