The ORCs are coming

There are a few reasons for wanting the ability to get proper stack traces out of the kernel, including profiling, tracing, and debugging kernel crashes. Historically, the kernel's tracebacks have been unreliable for a number of reasons, most of which have been fixed in recent years. Now it seems likely that the 4.14 kernel will include a new mechanism that should put our traceback problems behind us — for now.

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