Re: [Discuss-gnuradio] Gnuradio locking up

Just so y'all know what lock/unlock is doing:

When you unlock the flow graph it basically interrupts and joins all
scheduler threads. Then it creates an entirely new scheduler.

wait() is a good candidate for the cause of lockups, that is,
interrupted threads are not exiting. This may be a sign of a bug in a
particular block's work function.

Now, if you are seeing crashing, that may be the result of a interrupted
block not cleaning itself up properly to be called by work again:
hanging onto old memory, not resetting state variables...

It may be a useful test to not lock/unlock, but to stop/wait/start and
see where the flow graph breaks down.

-Josh

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