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by gcr 968 days ago
TL;DR: Recent macOS Sonoma and 13.6 Ventura have upgrade bugs that brick some macs and make recoveryOS unusable, causing a black screen that requires a DFU revive.

Issues on Sonoma appear most often on dual-booting macs: https://support.apple.com/en-us/HT208891

Ventura upgrades can also bite you if your display refresh rate is set to anything other than ProMotion, for unclear reasons.

The doc is on the Asahi Linux wiki because their developers discovered this issue, but it's not unique to Asahi. In fact, running the Asahi Linux installer can detect whether your mac will be affected by this issue, even if you ultimately choose not to install Asahi Linux. See the article for details.

1 comments

Erg, I ran into this on my mac twice when I upgraded. I have two bootable OSX partitions and it hit on both upgrades. I'm not really a mac guy and it took a _lot_ of messing around (and learning that DFU exists and what it does) to sort out. Just lucky that my daughter has a mac so that I could even use DFU without having to take the thing into an apple store.