In this case, it’s a specific diagnosis, which is invaluable, but in many cases it’s an ‘exception’ which may well mean nothing to you.Īs the name implies, exceptions are conditions which require special handling by the operating system. Then it gives the likely immediate cause of the panic. If you have repeated panics, keep a note of these, as they may cast suspicion on a core with a hardware problem. Panic(cpu 8 caller 0xffffff80017729eb): "zalloc: zone map exhausted while allocating from zone kalloc.12288, likely due to memory leak in zone kalloc.48 (6586956000 total bytes, 137228148 elements first tells you which core the panic occurred on. This article steps through one example panic log, and tries to explain its most useful information. More than anything else, this panic log will provide clues as to what went wrong, thus what you can do about it. Before you add any relevant details about the circumstances of the panic and send it to Apple, select it all, copy and paste the text into a document for your study. When your Mac starts up after a kernel panic, it prepares a panic log which should be displayed in a window a minute or two after you have logged in.
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