[PD] pd-extended crashes sending data to SSR with tcpclient

Ivica Bukvic ico at vt.edu
Mon Jul 1 19:41:38 CEST 2013


In my experience, this may bog down pd but it should never crash it. If it
does, something else is the problem.
On Jul 1, 2013 1:24 PM, "Martin Peach" <martin.peach at sympatico.ca> wrote:

> It could be that you are overloading Pd with too many messages. If you are
> wildly moving the slider and [tcpclient] is sending one TCP packet per
> value you can add messages to the queue faster than they will be sent out
> and Pd will eventually run out of resources.
>
> Maybe put a [speedlim] after your slider, or pack several values into one
> message?
>
> Martin
>
>
>
> On 2013-07-01 11:53, Iain Mott wrote:
>
>>
>>  I'll try the backtrace and other things you suggest and report back
>>>> on mrpeach/tcpclient in another email.
>>>>
>>>
>>> it could well be, that it only does not crash with [iemnet/tcpclient]
>>> because you haven't parsed the output yet...
>>>
>>>
>> Don't think so - to crash Pd, I wasn't doing any parsing of incoming
>> messages - just sending messages out.
>>
>> Did a backtrace using mrpeach/tcpclient - on a "freeze" as it didn't
>> actually crash. Got this response:
>>
>> #0  0x0000000000442623 in clock_unset (x=0x8c5c80) at m_sched.c:70
>> #1  clock_unset (x=0x8c5c80) at m_sched.c:62
>> #2  0x000000000044266e in clock_set (x=0x8c5c80, setticks=<optimised
>> out>)
>>      at m_sched.c:81
>> #3  0x00007fffd21cfec1 in tcpclient_child_send (w=0xdec548)
>>
>> at /home/kiilo/Documents/dev/pd-**svn/externals/mrpeach/net/**
>> tcpclient.c:380
>> #4  0x00007ffff7bc4e9a in start_thread ()
>>     from /lib/x86_64-linux-gnu/**libpthread.so.0
>> #5  0x00007ffff6ec0ccd in clone () from /lib/x86_64-linux-gnu/libc.so.**6
>> #6  0x0000000000000000 in ?? ()
>>
>>
>> Will do some more tests later.
>>
>> Thanks,
>>
>>
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>>
>>
>
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