segfault when using loop device?

Subject: segfault when using loop device?
From: Mario Lang (mlang_AT_delysid.org)
Date: Sun Dec 08 2002 - 19:22:18 EET

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Hi.

The following transcript of a ecasound session should have worked
as far as I know, but it ended with a segmentation fault:

- [ Session created ] ------------------------------------------------------
(eca-session) Set debug level to: 259
(eca-chainsetup-parser) Setting chainsetup name to "eca-el-setup".
(eca-session) Note! Unable to create a valid chainsetup from the command-line arguments.
ecasound ('h' for help)> int-output-mode-wellformed

ecasound ('h' for help)> ai-add /home/mlang/test.mp3
(eca-controller) Added audio input "/home/mlang/test.mp3".

ecasound ('h' for help)> ao-add loop
(eca-controller) Added audio output "loop".

ecasound ('h' for help)> cop-add -ei:75

ecasound ('h' for help)> c-add new
(eca-controller) Added chains: new.

ecasound ('h' for help)> ai-add loop
(eca-controller) Added audio input "loop".

ecasound ('h' for help)> ao-add-default
(eca-controller) Added audio output "/dev/dsp".
(eca-controller) Added default output to selected chains.

ecasound ('h' for help)> cop-add -el:pitchScaleHQ,1.5

ecasound ('h' for help)> start
(eca-chainsetup) 'rt' buffering mode selected.
(eca-chainsetup) Audio object "/home/mlang/test.mp3", mode "read".
(audio-io) Format: s16_le, channels 2, srate 44100, interleaved.
(eca-chainsetup) Audio object "loop,0", mode "read".
(audio-io) Format: s16_le, channels 2, srate 44100, interleaved.
(eca-chainsetup) Audio object "loop,0", mode "read".
(audio-io) Format: s16_le, channels 2, srate 44100, interleaved.
(eca-chainsetup) Audio object "/dev/dsp", mode "write".
(audio-io) Format: s16_le, channels 2, srate 44100, interleaved.
(eca-controller) Connected chainsetup: "eca-el-setup".
(eca-control) ERROR: Warning! No chainsetup connected. Trying to connect currently selected chainsetup.
(eca-engine) Prefilling i/o buffers.
ecasound ('h' for help)> Warning: DBC_CHECK failed - "impl_repp->rt_lock_rep != true", samplebuffer.cpp, 839.
Warning: DBC_CHECK failed - "impl_repp->lockref_rep == 0", samplebuffer.cpp, 840.

Process ecasound segmentation fault

-- 
CYa,
  Mario

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