* Bill Huey <[email protected]> wrote:
> Also, triggering a panic() at the beginning of the rt mutex acquire
> was very useful since it made "in_atomic()" violations an explicit
> error stopping the machine. Stack traces started to get really crazy
> in this preemptive kernel with all sorts of things running unlike the
> non-preemptive kernel and it was time consuming to figure out the real
> stuff from the noise in the stack trace.
well you should absolutely have serial console if you effectively want
to hack the Linux kernel. And in the serial console log you should
search for stacktraces top-down, and concentrate on the first one - any
subsequent one might be collateral damage of the first one.
Ingo
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