What can cause erlang to hang, if all I'm using are gen_tcp and and standard libs?

Claes Wikstom <>
Mon Feb 6 09:04:47 CET 2006

Zack Brannigan wrote:
> Hi:
> I have three processes: one that uses a gen_tcp socket
> to communicate with a remote server using telnet,
> another that receives socket updates from the first,
> and a third that's merely diagnostic (counting 1,2,3
> every second).
> During some runs of my program, I reach a point where
> evidently erlang hangs completely. 

First step is to run i() from the erlang shell
to see what's up.

Possibly combine with unix top.


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