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 Forum index » DIY Hardware and Software » Supercollider
supercollider server suddenly won't start
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karang



Joined: Dec 13, 2018
Posts: 1
Location: taiwan

PostPosted: Thu Dec 13, 2018 12:48 am    Post subject: supercollider server suddenly won't start Reply with quote  Mark this post and the followings unread

Hi I have been using tidal cycles and supercollider for a few weeks and everything has been fine. went to fire everything up today and supercollider will not boot! I tried reinstalling, cleaning setup files, removing packages I installed last night. rebooting, running sclang as root, tried to find a rogue sever process or other process that could be blocking the server. NO DICE!

Here is my terminal output:


Code:

$ jackd -r -d alsa -r 44100
jackdmp 1.9.12
Copyright 2001-2005 Paul Davis and others.
Copyright 2004-2016 Grame.
Copyright 2016-2018 Filipe Coelho.
jackdmp comes with ABSOLUTELY NO WARRANTY
This is free software, and you are welcome to redistribute it
under certain conditions; see the file COPYING for details
no message buffer overruns
no message buffer overruns
no message buffer overruns
JACK server starting in non-realtime mode
self-connect-mode is "Don't restrict self connect requests"
audio_reservation_init
Acquire audio card Audio0
creating alsa driver ... hw:0|hw:0|1024|2|44100|0|0|nomon|swmeter|-|32bit
Using ALSA driver HDA-Intel running on card 0 - HDA Intel PCH at 0x91610000 irq 120
configuring for 44100Hz, period = 1024 frames (23.2 ms), buffer = 2 periods
ALSA: final selected sample format for capture: 32bit integer little-endian
ALSA: use 2 periods for capture
ALSA: final selected sample format for playback: 32bit integer little-endian
ALSA: use 2 periods for playback


from here I start sclang:

Code:

*** Welcome to SuperCollider 3.8.0. *** For help type ctrl-c ctrl-h (Emacs) or :SChelp (vim) or ctrl-U (sced/gedit).
sc3> s.boot
booting 57110
-> localhost
sc3> convolution: samplerate mismatch preset:48000 host:44100
convolution: samplerate mismatch preset:48000 host:44100
convolution: samplerate mismatch preset:48000 host:44100
convolution: samplerate mismatch preset:48000 host:44100
convolution: samplerate mismatch preset:48000 host:44100
convolution: samplerate mismatch preset:48000 host:44100
free(): invalid pointer
RESULT = 0
ERROR: server failed to start
For advice: [http://supercollider.github.io/tutorials/server-failed-to-start]


I obviously tried the above link which is not helpful at all. If I run everything as root it says it cant find jack!!

Here is a little more about my system:
Ubuntu 18.04

Please let me know if you need more info. Thanks for reading!
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Blue Hell
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Joined: Apr 03, 2004
Posts: 22887
Location: The Netherlands, Enschede
Audio files: 239
G2 patch files: 319

PostPosted: Thu Dec 13, 2018 10:21 am    Post subject: Reply with quote  Mark this post and the followings unread

I really don't know much about the software involved .. so just guessing really ... but looking at the dumps you posted it looks like there is a sample rate issue.

It also looks like you could tell jack to use 48000 s/s .. ($ jackd -r -d alsa -r 48000 ) so I would try to set that and see what happens then .. maybe the SuperCollider server can be set to a different sample rate too, but such is not obvious from the dumps you posted.

Oh and welcome of course to the forums.
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