[PD] netpd server crashes
hans at eds.org
Fri Aug 8 23:49:46 CEST 2008
On Aug 8, 2008, at 3:12 PM, Roman Haefeli wrote:
> On Fri, 2008-08-08 at 08:25 -0500, John Harrison wrote:
>> My interest has been piqued by netpd and a bunch of us here have been
>> playing with it. It's pretty fantastic --- there's only one caveat,
>> which is that the netpd server crashes and pretty easily at that.
>> seen the netpd.org server crash a bunch of times now. I downloaded
>> installed the server patch on an ubuntu Gutsy machine and that
>> similarly. I looked at the patch --- nothing too complex. I suspect
>> there is nothing wrong with the patch itself.
>> I'm suspecting the problem is with netserver, written by Olaf
>> Matthes .
>> I suspect this because netsend~ and netreceive~ crash in my use in
>> similar ways to what I am seeing now with netpd --- Olaf Matthes
>> those too. I was wondering if anybody could confirm or refute that
>> netserver is what is crashing netpd. It would be great if we fixed
>> In general I think we have a problem with some externals involving
>> network communication and if we fixed this in several of the
>> maybe we would solve a bunch of problems at once. I might be up for a
>> shot at it myself.
> hi john
> what you describe is known to us, but unfortunately i didn't find a
> to solve it by myself. also the netpd-server patch running on
> crashes from time to time. i am not absolutely sure about the
> reason and
> i also tried to debug it by running pd within gdb. therefor i compiled
> millers pd, zexy and maxlib (the dependencies of the server patch)
> debug symbols, but unfortunately it still didn't show me the
> symbols of
> the point where it crashed. i am not too familiar with these tools, so
> probably i made something wrong.
> from my experience i can at least confirm, that most likely
> from maxlib is the trouble maker. from what i can tell, crashes happen
> more likely, if several clients disconnect without saying 'adieu'.
> Transmission_Control_Protocol#Connection_termination )
> this happens, when internet connection of a client suddenly is lost or
> if pd of a client crashes. sometimes it doesn't crash for months, when
> all clients have good connection (an they don't crash too often).
> i would be interested to know, what conditions are needed to crash
> pd/server-patch on your box. does it behave the same? if so, i
> wonder if
> [netserver] really complies with tcp. i also wonder what host is
> supposed to do if only one end point finishes the connection (and this
> what happens, if a client crashes, i suppose).
Sounds like you guys should try Martin Peach's [tcpserver].
>> P.S. Some of us tuned in for the netpd jam that we thought happens
>> Thursday at 22:00 CEST. Nobody was there except us. Is this just old
>> outdated info?
> yo.. i am very sorry. we are (i should rather say: i am) sometimes
> lazy and undisciplined people. actually it is supposed to still be
> actual, but during the last weeks there wasn't much traffic and we
> dropped the sessions (and i was also more busy than usual). but yeah,
> lets have jam sessions. probably inform us by mail, if you know
> beforehand that you are going to have a session. i would like to join.
> there is also this other happening every second tuesday of the month,
> where we have our session broadcasted on an internet radio
> (http://audioasyl.net). usually we are three or more people there.
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