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Absolute FreeBSD, 2nd Edition by Michael W. Lucas

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Using the Dump

If you're a kernel developer, this is where you stop listening to me and rely upon your own debugging experience. If you're a system administrator, however, you probably don't know enough about C and kernel internals to have any real hope of debugging a complicated kernel issue. Therefore, we'll focus on extracting enough information to give a developer a good shot at identifying the problem.

After a dumped panic, you'll find the files vmcore.0 and info.0 in /var/crash. Each subsequent crash gets a consecutively higher number.) The info.0 file contains basic information about the dump, such as the partition the dump came from, the date, and if the dump succeeded. The vmcore.0 file is the memory image of the kernel at the time of ...

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