If you’re lucky, it should restart into Recovery Assistant. Otherwise advice on how to manage a boot loop or freeze, and how to disable 3rd party kernel extensions.
kernel panic
The panic log tells you it was a SEP Panic. What’s the SEP, and how is this different from any other panic? And what should you do about it?
In a VM hosted on an M4, upgrading 14.7.5 to 15.4.1 took an 8.7 GB download and worked. From 15.1 to 15.4.1 took over 15 GB and failed with a kernel panic.
You discover your Mac has either restarted itself and is waiting for you to log in, or has simply shut itself down. How to find out why this happened, in Intel and Apple silicon.
How to save the panic log safely. Looking up the immediate cause of the panic, getting OS details, what to see in a memory leak, what task resulted in the panic, and 3rd party kernel extensions.
Your Mac unexpectedly restarts, and a little after logging in you see a Panic Alert. Before sending that to Apple, save a copy and follow this guidance, including how to read a panic log.
You’ve just installed an update or upgrade and your Mac just isn’t right. How to tackle everything from a boot loop to a downgrade.
How we crashed and burned with the best of them, from recovery disks in classic Mac OS, to unexpected restarts and hidden panic logs.
How 3rd party developers used KPIs for drivers and much else in kernel extensions. These are now being replaced progressively by System Extensions. This is the state of play.
If you are beta-testing macOS 15 Sequoia in a lightweight virtual machine on an Apple silicon Mac, beware […]
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