[erlang-questions] Erl getting stuck in SMP with 8 cores

Eranga Udesh eranga.erl@REDACTED
Mon Sep 1 18:51:58 CEST 2008

Good to know that Erl works successfully wh 8 or more intel cores. Do you
use 8 schedulers with threads/hipe enabled?

I run below test:run/0 to output time every sec. But even that's getting
stuck when the Erl node is experiencing this issue.


run() ->
  spawn(?MODULE, run2, [1]),
run2(Id) ->
  io:fwrite("Tick [~p]: ~p~n", [Id, time()]),

On Mon, Sep 1, 2008 at 9:15 AM, Dave Smith <dizzyd@REDACTED> wrote:

> 2008/8/31 Eranga Udesh <eranga.erl@REDACTED>:
> > Like I said earlier, the Erl node is not totall stucked. Single RPC
> commands
> > work but recursive functions getting stuck. Running processes halts and
> > "Reductions" don't increase. The Erl prompt is not responding when doing
> > "to_erl"
> > If you or anyboby run or tested Erlang with 8 or more Intel cores, pls
> let
> > me know. I want to first narrow down the problem to identify if it's a
> > problem only in my instalation or an Erl smp problem. If it's the
> > former,much releaved.
> FWIW, I use 8+ cores with hundreds of thousands of processes on Erlang
> SMP on a daily basis and have not seen any of the problems you've
> described. Do you have a minimal set of code that produces these
> symptoms?
> D.
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