[erlang-bugs] Missing the tcp_closed event

Mickaël Rémond <>
Fri Apr 13 17:43:08 CEST 2007


We feel that under hard to reproduce conditions (production system  
with ten of thousands connected users), the Erlang TCP module can  
miss the tcp_close event.
The process is receiving event in active once mode. It is not stuck  
in a send.
It seems to happen with the new Erlang R11 in SMP mode.
The port is in a enotconn state, but the process has not been  
informed that the tcp connection has been closed.

Has anyone the same feeling ?
Any idea how to debug that possible problem ?

Mickaël Rémond

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