Re: [ecasound] stabilty & reliability

From: Jure Pečar <pegasus@email-addr-hidden>
Date: Thu Oct 12 2006 - 12:21:19 EEST

On Wed, 11 Oct 2006 12:00:41 +0200
Jure Pečar <pegasus@nerv.eu.org> wrote:

> I put some logging into my scripts and found all sorts of weird stuff:

Some examples of what I'm seeing on stderr from various recording threads:

could not attach as client
jack server not running?
could not attach as client
jack server not running?

\ this happens when jackd is dead before the start of the recording script. I worked around that by checking if it is alive and restarting it if necessary.

-- 
cannot connect ports
cannot connect ports
\ this happens when jackd does not want to connect any client. I figured out it has something to do with shared memory segments not beeing freed and googled a command to check for them and delete them.
--
zombified - calling shutdown handler
cannot send request type 2 to server
cannot read result for request type 2 from server (Broken pipe)
cannot send request type 2 to server
cannot read result for request type 2 from server (Broken pipe)
Warning: DBC_CHECK failed - "open_clients_rep > 0", audioio_jack_manager.cpp, 1530.
\ what is this?
--
/root/recorder/record.sh: line 14:  4481 Segmentation fault      ecasound -f:16,2,44100 -a:$1 -i jack -o $2 -y:0 -G:jack,eca_$1
\ and why does this happen?
--
cannot connect ports
cannot connect ports
cannot send request type 6 to server
zombified - calling shutdown handler
cannot read result for request type 6 from server (Broken pipe)
cannot send request type 2 to server
cannot read result for request type 2 from server (Broken pipe)
cannot send request type 2 to server
cannot read result for request type 2 from server (Broken pipe)
Warning: DBC_CHECK failed - "is_prepared() != true", audioio-device.cpp, 35.
Warning: DBC_CHECK failed - "is_running() != true", audioio-device.cpp, 36.
/root/recorder/record.sh: line 14: 11326 Segmentation fault      ecasound -f:16,2,44100 -a:$1 -i jack -o $2 -y:0 -G:jack,eca_$1
\ maybe more insight into this segfault, altough this one happend somewhere else in ecasound.
--
Warning: DBC_ENSURE failed - "is_finished() == true || processing_started == true && is_running() != true || processing_started != true && (is_engine_started() != true || is_engine_started() == true && engine_repp->status() != ECA_ENGINE::engine_status_stopped)", eca-control-base.cpp, 225.
\ how do I read those warnings?
--
Warning: DBC_CHECK failed - "static_cast<int>(log_history_rep.size()) == log_history_len_rep", eca-logger-interface.cpp, 67.
--
zombified - calling shutdown handler
cannot send request type 2 to server
cannot read result for request type 2 from server (Broken pipe)
cannot send request type 2 to server
cannot read result for request type 2 from server (Broken pipe)
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Identifier removed)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
cannot read event connect result from server (Success)
jack_client_open() failed, status = 0x 4
\ what is this? some misunderstanding in some protocol? :)
-- 
Jure Pečar
http://jure.pecar.org
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Received on Thu Oct 12 20:15:03 2006

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