Re: audio subsystem not available - can't record audio

[email protected]
Newsgroups gmane.comp.audio.rosegarden.user
Message-ID <[email protected]>
Hi Ted,

As requested:

Rosegarden 20.06 - AlsaDriver [ALSA library version 1.2.2, module version
5.11.0-7620-generic, kernel version 5.11.0-7620-generic]

===============================================================
JackDriver::initialise() begin...
JACK sample rate = 88200Hz, buffer size = 2048
Creating audio file thread...
Found 1 JACK physical outputs
connecting from "rosegarden:master out L" to "a2j:Midi Through [14]
(playback): Midi Through Port-0"
WARNING: cannot connect to JACK output port

  ALSA Client information:

    14,0 - (Midi Through, Midi Through Port-0)			(DUPLEX) [ctype 2, ptype
655362, cap 99]
    128,0 - (FLUID Synth (47987), Synth input port (47987:0))		(WRITE
ONLY) [ctype 1, ptype 1310726, cap 66]

Using low-resolution system timer, sending a warning
    Current timer set to "system timer"
    WARNING: using system timer with only 250Hz resolution!
AlsaDriver::initialiseMidi -  initialised MIDI subsystem

AlsaDriver::setPlausibleConnection: connection like "" requested for device 0
AlsaDriver::setPlausibleConnection: fuzzy match 128:0 Synth input port
(47987:0) (write) available with fitness 1
AlsaDriver::setPlausibleConnection: connection like "" requested for device 1
AlsaDriver::setPlausibleConnection: nothing suitable available

  ALSA Client information:

    14,0 - (Midi Through, Midi Through Port-0)			(DUPLEX) [ctype 2, ptype
655362, cap 99]
    128,0 - (FLUID Synth (47987), Synth input port (47987:0))		(WRITE
ONLY) [ctype 1, ptype 1310726, cap 66]

AlsaDriver::setPlausibleConnection: connection like "20:0 UMC1820 MIDI 1
(duplex)" requested for device 0
AlsaDriver::setPlausibleConnection: nothing suitable available
AlsaDriver::setPlausibleConnection: connection like "20:0 UMC1820 MIDI 1
(duplex)" requested for device 1
AlsaDriver::setPlausibleConnection: nothing suitable available

  ALSA Client information:

    14,0 - (Midi Through, Midi Through Port-0)			(DUPLEX) [ctype 2, ptype
655362, cap 99]
    128,0 - (FLUID Synth (47987), Synth input port (47987:0))		(WRITE
ONLY) [ctype 1, ptype 1310726, cap 66]

AlsaDriver::setPlausibleConnection: connection like "" requested for device 0
AlsaDriver::setPlausibleConnection: fuzzy match 128:0 Synth input port
(47987:0) (write) available with fitness 1
AlsaDriver::setPlausibleConnection: connection like "" requested for device 1
AlsaDriver::setPlausibleConnection: nothing suitable available

  ALSA Client information:

    14,0 - (Midi Through, Midi Through Port-0)			(DUPLEX) [ctype 2, ptype
655362, cap 99]
    128,0 - (FLUID Synth (47987), Synth input port (47987:0))		(WRITE
ONLY) [ctype 1, ptype 1310726, cap 66]

Using low-resolution system timer, sending a warning
    Current timer set to "system timer"
    WARNING: using system timer with only 250Hz resolution!
Using low-resolution system timer, sending a warning
    Current timer set to "system timer"
    WARNING: using system timer with only 250Hz resolution!
Using low-resolution system timer, sending a warning
    Current timer set to "system timer"
    WARNING: using system timer with only 250Hz resolution!



>    For troubleshooting JACK issues, there is a log viewer in
> preferences.  Go to Edit > Preferences... > Details...
>
>    That will display the log viewer.  See if there's anything
> interesting there.  If needed, copy and paste and email it to the list
> and we'll look further.
>
> Ted.
>
> On 7/15/23 12:25 AM, [email protected] wrote:
>> Hi guys,
>>
>> I'm getting the following error message when I try to activate recording
>> on an audio track:
>>
>> "audio subsystem not available - can't record audio"
>>
>> in a window that has the header:
>>
>> Rosegarden (as superuser)
>>
>> This is happening with Rosegarden Version 23.06 "Flutterbye"
>> Build Key 13280f9033
>> Qt Version 5.15.9
>>
>> Running under Pop!_OS 20.10 Linux with
>> QjackCtl Version 0.5.0
>> Qsynth Version 0.6.3
>> Using FluidSynth 2.1.3
>>
>> QjackCtl and Qsynth are working and sound fine.  Qsynth's audio outputs
>> show up on QjackCtl's patchbay but no audio inputs to Rosegarden appear.
>> All the MIDI ins and outs seem to be working fine.
>>
>> The "self-recording" feature of Rosegarden used to work.  Is this a bug?
>> Is there a workaround?  I used to use it to record (with perfect
>> synchronization) track by track, and sometimes double track, various
>> patches and synths.
>>
>> Thanks for all you do, and in advance,
>>
>> [email protected]
>>
>>
>>
>>
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>
>
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