[PD] xsample freezes PD

Thomas Grill gr at grrrr.org
Fri Sep 11 18:29:58 CEST 2009

Hi Enrike,
i'm afraid i can't help too much.... i'll recommend that you try to
compile the object on your system (flext and xsample) instead of using
the binary.
It would also be helpful to know where exactly it freezes (running in
gdb and printing the backtrace).
I'm abroad and therefore not able to build anything until the end of
September, but let's see if we get it running.

2009/9/11 altern <altern2 at gmail.com>:
> hi
> when i run some of my patches the pd process goes to 99% CPU and the pd GUI
> freezes, i cannot close
> the terminal or any patch. I have to kill the process from task manager.
> After some tests and found out that it seems to come from xgroove~
> object. This is how it happens: I run pd, open the xgroove~ object help
> file, setup pd input and output devices via ALSA. I activate DSP and
> push the bang to start play the xgroove~ example.
> The audio runs until the playhead goes next to around 80% of the table then
> it
> freezes, i can see that the PD CPU usage grows quickly just after the audio
> and GUI freeze.
> any ideas? this is the terminal output. not very interesting i guess.
> ~$ pd
> <init> : Avifile RELEASE-0.7.47-070929-17:56-4.2.1
> <init> : Available CPU flags: fpu vme de pse tsc msr mce cx8 sep mtrr
> pge mca cmov clflush dts acpi mmx fxsr sse sse2 ss tm pbe up bts est tm2
> <init> : 1600.00 MHz Intel(R) Pentium(R) M processor 1.60GHz detected
> pd_gui: pd process exited
> Killed
> xsample external seems to be loaded properly, pd console says this on
> startup
> -------------------------------
> xsample objects, version 0.3.2pre
>  xrecord~, xplay~, xgroove~
>  (C)2001-2008 Thomas Grill
> -------------------------------
> there is no message post into the console when the error happens.
> This happened both in PureDyne with the pd installed from their packages and
> also in Ubuntu Studio with the pd extended package. Both systems running
> latest xsample binary from http://puredata.info/Members/thomas/xsample
> I guess it is either a bug in latest version of xsample or I am missing
> something in both systems.
> thanks
> enrike
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Thomas Grill

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