When does an M1 Mac validate its Sealed System Volume? Who designed its display interface? How soon does Find My Mac launch? So many answers found in the log.
kernel
The combination of a new kernel built just 10 days earlier with a set of new graphics drivers sufficed to bring many Macs to their knees.
Catalina 10.15.6 update included a bonus: a large memory leak which led to kernel panics. This is the story of its patching.
When a kernel extension wants some memory, it calls for an allocation from a Mach zone. This explains how a memory leak in those zones can result in a kernel panic.
Your Mac starts up after kernel panic, and shows mystifying details about that panic. Here’s how to get the most out of that information.
What’s the difference between a crash and a panic? How can you tell what’s likely to have caused a panic?
There have been recent reports that the macOS Catalina 10.15.6 update can result in kernel panics. This appears […]
Your Mac goes all sluggish, you open Activity Monitor, and there at the top of the CPU list is kernel_task, taking 100% or more. Why?
From launch, through security checks, TCC and privacy, RunningBoard, to memory management and the Main Event Loop. A comprehensive summary.
What should you do with a Mac whose fans keeping coming on full blast, with high CPU loads from kernel_task, and sluggish performance?
