The key line is here:
ALSA: Cannot open PCM device alsa_pcm for playback. Falling back to
capture-only mode
Oftentimes this is caused by pulseaudio being in the way, but there
are other possible reasons.
I have some instructions here that might help you get set up:
http://www.tedfelix.com/linux/linux-midi.html
Let us know how it goes.
Ted.
On 1/28/23 5:06 PM, J wrote:
Hi,
I have the following setup:
cat /proc/asound/cards
0 [VirMIDI ]: VirMIDI - VirMIDI
Virtual MIDI Card 1
1 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0x4204220000 irq 170
2 [NVidia ]: HDA-Intel - HDA NVidia
HDA NVidia at 0x83080000 irq 17
3 [M4 ]: USB-Audio - M4
MOTU M4 at usb-0000:00:14.0-1, high speed
Although I have to go to the Studio menu and then the Manage MIDI
Devices and select the second MIDI outputs item from the list (129:0
Synth input port) each time the program starts, the MIDI playback does work.
However, the audio does not work.
It appears that jackd is fails initialization when rosegarden starts up
rosegarden
[main] System Locale: "en_US"
[main] Qt translations path: "/usr/share/qt5/translations"
[main] Qt translations loaded successfully.
[main] RG Translation: trying to load :locale/ "en_US"
[main] RG Translations loaded successfully.
[main] Loaded application icon " "rg-rwb-rose3-16x16" "
[main] Loaded application icon " "rg-rwb-rose3-32x32" "
[main] Loaded application icon " "rg-rwb-rose3-48x48" "
[main] Loaded application icon " "rg-rwb-rose3-64x64" "
[main] Loaded application icon " "rg-rwb-rose3-128x128" "
[main] Unbundling examples...
[main] Unbundling templates...
[main] Unbundling libraries (device files)...
[main] Creating RosegardenMainWindow instance...
[SequencerThread] run()
[PluginFactory] enumerateAllPlugins() begin... Enumerating and loading
all plugins...
[LADSPAPluginFactory] loadLibrary( "/usr/lib64/dssi/karplong.so" ) begin...
[LADSPAPluginFactory] "/usr/lib64/dssi/karplong.so" plugin loaded
successfully
[LADSPAPluginFactory] loadLibrary(
"/usr/lib64/dssi/less_trivial_synth.so" ) begin...
[LADSPAPluginFactory] "/usr/lib64/dssi/less_trivial_synth.so" plugin
loaded successfully
[LADSPAPluginFactory] loadLibrary( "/usr/lib64/dssi/trivial_sampler.so"
) begin...
[LADSPAPluginFactory] "/usr/lib64/dssi/trivial_sampler.so" plugin
loaded successfully
[LADSPAPluginFactory] loadLibrary( "/usr/lib64/dssi/trivial_synth.so" )
begin...
[LADSPAPluginFactory] "/usr/lib64/dssi/trivial_synth.so" plugin
loaded successfully
[LADSPAPluginFactory] loadLibrary( "/usr/lib64/ladspa/amp.so" ) begin...
[LADSPAPluginFactory] "/usr/lib64/ladspa/amp.so" plugin loaded
successfully
[LADSPAPluginFactory] loadLibrary( "/usr/lib64/ladspa/cmt.so" ) begin...
[LADSPAPluginFactory] "/usr/lib64/ladspa/cmt.so" plugin loaded
successfully
[LADSPAPluginFactory] loadLibrary( "/usr/lib64/ladspa/delay.so" ) begin...
[LADSPAPluginFactory] "/usr/lib64/ladspa/delay.so" plugin loaded
successfully
[LADSPAPluginFactory] loadLibrary( "/usr/lib64/ladspa/filter.so" ) begin...
[LADSPAPluginFactory] "/usr/lib64/ladspa/filter.so" plugin loaded
successfully
[LADSPAPluginFactory] loadLibrary(
"/usr/lib64/ladspa/ladspa-rubberband.so" ) begin...
[LADSPAPluginFactory] "/usr/lib64/ladspa/ladspa-rubberband.so" plugin
loaded successfully
[LADSPAPluginFactory] loadLibrary( "/usr/lib64/ladspa/noise.so" ) begin...
[LADSPAPluginFactory] "/usr/lib64/ladspa/noise.so" plugin loaded
successfully
[LADSPAPluginFactory] loadLibrary( "/usr/lib64/ladspa/sine.so" ) begin...
[LADSPAPluginFactory] "/usr/lib64/ladspa/sine.so" plugin loaded
successfully
[PluginFactory] enumerateAllPlugins() end.
[JackDriver] initialise() begin...
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jackdmp 1.9.21
Copyright 2001-2005 Paul Davis and others.
Copyright 2004-2016 Grame.
Copyright 2016-2022 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
jack_get_descriptor : dll
jack_get_descriptor returns null for 'jack_internal_metro.so'
jack_get_descriptor : dll
jack_get_descriptor returns null for 'jack_intime.so'
jack_get_descriptor : dll
jack_get_descriptor returns null for 'jack_inprocess.so'
JACK server starting in realtime mode with priority 10
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|48000|0|0|nomon|swmeter|-|32bit
ALSA: Cannot open PCM device alsa_pcm for playback. Falling back to
capture-only mode
JackTemporaryException : now quits...
Released audio card Audio0
audio_reservation_finish
Cannot initialize driver
JackServer::Open failed with -1
Failed to open server
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1,
skipping unlock
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1,
skipping unlock
[JackDriver] initialise() - JACK server not running. jackStatus: 11 (hex)
[JackDriver] Attempt to start JACK server was made per user config
[Composition] getTrackById( 0 ): WARNING: Track ID not found.
[Composition] Available track ids are:
[AlsaDriver] renameDevice(): WARNING: Cannot find device 1 in port map
[RosegardenMainWindow] slotDisplayWarning(): MAIN WINDOW DISPLAY
WARNING: type 1 text "<h3>Audio sequencing and synth plugins
unavailable!</h3>
"
[WarningWidget] WarningWidget::queueMessage( "<h3>Audio sequencing and
synth plugins unavailable!</h3>" , "<p>Rosegarden could not connect to the
JACK audio server. This probably means that Rosegarden was unable to
start the audio server due to a problem with your configuration, your syste
m installation, or both.</p><p>If you want to be able to play or record
audio files or use plugins, we suggest that you exit Rosegarden and use th
e JACK Control utility (qjackctl) to try different settings until you
arrive at a configuration that permits JACK to start. You may also need to
install a realtime kernel, edit your system security configuration, and
so on. Unfortunately, this is an extremely complex subject.</p><p> Once y
ou establish a working JACK configuration, Rosegarden will be able to
start the audio server automatically in the future.</p>" )
WARNING: Rosegarden::Exception: "Failed to open tranzport device
/dev/tranzport0"
[main] sfxload disabled
[main] Launching the sequencer...
[main] Starting the app...
[StartupTester] StartupTester::StartupTester(): URL:
"http://www.rosegardenmusic.com/latest-version.txt
<http://www.rosegardenmusic.com/latest-version.txt>"
Ideally, I'd like the audio output to go to the Intel audio and the
audio input to come from the MOTU line-in.
Although if both input and output audio would go to / come from the
MOTU, that would be fine too.
What is missing or incorrectly set?
Is there a way I can invoke jackd (manually if I have to) to have the
setup I want?
Thank you for taking the time to read this and thank you in advance
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