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I thought it worth mentioning that I solved this. It turned out the
problem is no matter what flags I use in the configure part of the
build and no matter what flags I call pd with, some OSS midi routines
were still being called and these routines were what was crashing the
system hard. There was more than one oss midi routine causing the crash
i.e. if I commented one out in s_midi.c the next one would crash it,
but the offending code was always inside preprocessor directives
labeled USEAPI_OSS. Since I have no intention of using any OSS audio or
midi, I just had to make sure this directive was not set when building.
I couldn't find a configure flag to disable setting USEAPI_OSS so I
manually edited the configure file and took this flag out. I rebuilt Pd
and everything works, including alsamidi. (Maybe OSS doesn't work --- I
didn't even bother to check since I have no use for OSS.) A build of
0.39.2 and 0.40-1 both work now and neither worked before.<br>
<br>
Perhaps there should be a configure flag to enable or disable oss
introduced into the Pd build code?<br>
<br>
-John<br>
<br>
John Harrison wrote:
<blockquote cite="mid455164AB.7050203@wichita.edu" type="cite">
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Now I have tried building pd-0.39.2 and here is my configure command:<br>
<br>
./configure --disable-alsa --enable-jack --disable-portaudio
--disable-portmidi --enable-debug<br>
<br>
Build is successful. Yet running pd with any parameter(s) still
completely crashes the computer, forcing me to unplug.<br>
<br>
So now that I have tried different distros with the same bad results,
different versions of Pd, and compiled with as little hardware support
as possible, I have no choice but to conclude that Pd cannot run on
this sound card with this particular computer. Weird. Maudio Delta
1010LT. If I remove the card, Pd loads up...but I need this card.<br>
<br>
-john<br>
<br>
<br>
John Harrison wrote:
<blockquote cite="mid454F4C52.2040008@wichita.edu" type="cite">
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I booted up a LiveCD of Dynebolic v1.4.1 which has Pd on it. Just as
with my ubuntu machine, trying to run Pd froze the machine utterly,
completely. So my guess is it has something to do with the driver for
this particular sound card, the Alsa library, and Pd. I'm guessing Pd
must load in the libraries for alsa and/or do some sort of check of the
audio hardware initially, regardless of the flags set on the command
line, and this must be what is crashing it. I'm not sure what is unique
about Pd as opposed to all of the other audio apps I have tried on this
machine, but apparently there's something because no other audio apps
are crashing. I'm also not sure how it is that others are apparently
running this same M-audio Delta 1010LT card w/ Pd with no problems? Can
somebody confirm this? I see the card referenced in the official Pd
docs for installation in Linux, so I'm assuming this card apparently
worked with Pd somehow, at least at one time.<br>
<br>
I thought of trying the same card w/ Pd in another machine, but I'm not
even sure where I would go w/ these results...<br>
<br>
-John<br>
<br>
John Harrison wrote:
<blockquote cite="mid454E08F0.9010603@wichita.edu" type="cite">
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http-equiv="Content-Type">
<title></title>
Yes everything works with jack...except Pd. pd -jack still freezes the
system utterly, completely. What could possibly be causing this? I wish
I could compile w/out both ALSA and OSS so Pd basically had no chance
for connection to the audio hardware at all....but that breaks the
compile, as have already posted about to this list.<br>
<br>
Does anybody know of a LiveCD with Pd on the CD? I'd like to try
booting this to see if the problem might be in my os config somewhere...<br>
<br>
To anybody else using this card with Pd: any config for the card itself
(say, using envy24control) I need to know about? Should I try a
different slot on the computer? This is just crazy...<br>
<br>
-John<br>
<br>
Roman Haefeli wrote:
<blockquote
cite="mid1162683426.6839.23.camel@localhost.localdomain" type="cite">
<pre wrap="">hi john
without knowing the deeper details of and reasons for your problem i
suggest the following:
-try to run jack with your delta 1010LT
-then try out, if any other application can use your soundcard over jack
-if yes, then try 'pd -jack', so that pd connects to jack and then maybe
you can use your soundcard without freezing.
from my experience, i solved many problems concerning audiosoftware and
soundcards by inserting 'the jack-layer' in between (on
linux//debian/ubuntu and osx). hopefully it helps in your situation as
well.
cheers
roman
On Fri, 2006-11-03 at 20:16 -0600, John Harrison wrote:
</pre>
<blockquote type="cite">
<pre wrap="">If I yank the M-audio Delta 1010LT card out of the machine, Pd runs
fine. When I part the card back in, Pd freezes again. So the problem
appears to be this M-audio card. The thing is...I Googled and searched
this mailing list and it appears people use this card with Pd all the
time with no problems. I need Pd and I need this M-audio card. What's
my next step?
Weird that the card would crash Pd even with this command:
$ pd -nosound -noadc -nodac
Thanks,
-John
John Harrison wrote:
</pre>
<blockquote type="cite">
<pre wrap="">Pd is still completely freezing my ubuntu Dapper machine. I have
tried recompiling with Pd 0.40.2 and still absolute and instant
freeze. So I tried the suggestion below. The debugger reports:
Starting program /usr/local/bin/pd
[Thread debugging using libthread_db enabled]
[New Thread -1211066688 (LWP 6400)]
Then the machine is completely frozen again, so I have to pull the
plug.
I also tried editing /etc/hosts as was suggested here:
<a class="moz-txt-link-freetext"
href="http://lists.puredata.info/pipermail/pd-list/2005-07/029853.html">http://lists.puredata.info/pipermail/pd-list/2005-07/029853.html</a>
and that didn't help either...
I have used this on many ubuntu Dapper machines so I don't know
what's so special about this one. Could it be the 2 dual-core
Pentium Xeons? Could it be the M-audio Delta 1010LT card?
When I run
$ pd -verbose
I get no response at all. Just the instantly frozen machine.
And I have tried the various flags (-nrt -nomidi -nosound) and
others...
-John
Frank Barknecht wrote:
</pre>
<blockquote type="cite">
<pre wrap="">Hallo,
John Harrison hat gesagt: // John Harrison wrote:
</pre>
<blockquote type="cite">
<pre wrap="">I have now tried
pd -nrt -nosound -nomidi
and it was the same thing: complete computer freeze with even mouse and
keyboard not responding, requiring me to pull the plug.
I've tried both as root and not.
</pre>
</blockquote>
<pre wrap="">Can you try to start Pd under a debugger? That is:
$ gdb /usr/bin/pd
(gdb) run
and if Pd crashes and your machine is still alive try to catch a
backtrace with:
(gdb) bt
Ciao
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<pre wrap=""><!---->
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<pre class="moz-signature" cols="72">--
John Harrison
Associate Professor of Violin
Director: CRATEL
(Center for Research in Arts, Technology, Education and Learning)
Wichita State University
Wichita, KS 67260-0053
USA
<a class="moz-txt-link-freetext" href="http://JohnHarrisonViolin.com">http://JohnHarrisonViolin.com</a>
<a class="moz-txt-link-freetext" href="http://cratel.wichita.edu">http://cratel.wichita.edu</a>
tel: 001 316 978 6572
fax: 001 316 978 3625
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