Gregory Stark <[EMAIL PROTECTED]> writes:
> Hm, I suppose. Though starting a second gdb is a pain. What I've done in the
> past is introduce a usleep(30000000) in strategic points in the backend to
> give me a chance to attach.

There is already an option to sleep early in backend startup for the
normal case.  Not sure if it works for bootstrap, autovacuum, etc,
but I could see making it do so.  The suggestion of single-stepping
initdb will only work well if you have a version of gdb that can step
into a fork, which is something that's never worked for me :-(.
Otherwise the backend will free-run until it blocks waiting for input
from initdb, which means you are still stuck for debugging startup
crashes ...

                        regards, tom lane

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