Re: What is the "[system]" process representing ?

[mlelstv%serpens.de@localhost (Michael van Elst)]

swiftgriggs%gmail.com@localhost (Swift Griggs) writes:

>Next time it happens, I'll pay attention and expand the kernel threads to 
>see which one is doing it. I guess there is no way to do a gdb 'attach' to 
>the kernel thread to get a backtrace, though. I'm assuming one has to do 
>this sort of thing with a specialized kernel debuggger/profiler.

And there is. You can use either use ddb(4) or crash(8) to get backtraces
from a thread, including a kernel thread. Use 'ps' to print the process
table which shows each LWP address, then 'bt/a' with the address of the
thread you want to see.

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                                Michael van Elst
Internet: mlelstv%serpens.de@localhost
                                "A potential Snark may lurk in every tree."