M-Audio Fast Track Ultra USB sound card is unavailable in JUCE simce 1.2.16

GitHub issues - opened <[email protected]> Mon, 8 Jun 2026 01:58:09 +0200 (CEST)
Newsgroups org.alsa-project.alsa-devel
Message-ID <[email protected]>
alsa-project/alsa-ucm-conf issue #781 was opened from KottV:

Hello.

M-Audio FastTrack Ultra USB sound card not detected by any JUCE application anymore after update to 1.2.16. Looks like this commit is a culprit: https://github.com/jglathe/alsa-ucm-conf/commit/9feb12d68699b25c5be86c629b013d2ebbe77841

without alsa-ucm-conf:
```JUCE v8.0.10
--------------------------------
Type: ALSA
Inputs:
  Default ALSA Output (currently PulseAudio Sound Server)
  PulseAudio Sound Server
  Default Audio Device
  Rate Converter Plugin Using Speex Resampler
  Plugin for channel upmix (4,6,8)
  Fast Track Ultra, USB Audio; Front output / input
  HDA Intel PCH, ALC892 Analog; Front output / input
Outputs:
  Default ALSA Output (currently PulseAudio Sound Server)
  PulseAudio Sound Server
  Default Audio Device
  Rate Converter Plugin Using Speex Resampler
  Plugin for channel upmix (4,6,8)
  Fast Track Ultra, USB Audio; Front output / input
  Fast Track Ultra, USB Audio; 2.1 Surround output to Front and Subwoofer speakers
  Fast Track Ultra, USB Audio; 4.0 Surround output to Front and Rear speakers
  Fast Track Ultra, USB Audio; 4.1 Surround output to Front, Rear and Subwoofer speakers
  Fast Track Ultra, USB Audio; 5.0 Surround output to Front, Center and Rear speakers
  Fast Track Ultra, USB Audio; 5.1 Surround output to Front, Center, Rear and Subwoofer speakers
  Fast Track Ultra, USB Audio; 7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
  Fast Track Ultra, USB Audio; IEC958 (S/PDIF) Digital Audio Output
  HDA Intel PCH, ALC892 Analog; Front output / input
  HDA Intel PCH, ALC892 Analog; 2.1 Surround output to Front and Subwoofer speakers
  HDA Intel PCH, ALC892 Analog; 4.0 Surround output to Front and Rear speakers
  HDA Intel PCH, ALC892 Analog; 4.1 Surround output to Front, Rear and Subwoofer speakers
  HDA Intel PCH, ALC892 Analog; 5.0 Surround output to Front, Center and Rear speakers
  HDA Intel PCH, ALC892 Analog; 5.1 Surround output to Front, Center, Rear and Subwoofer speakers
  HDA Intel PCH, ALC892 Analog; 7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
  HDA Intel PCH, ALC892 Digital; IEC958 (S/PDIF) Digital Audio Output
  HDA NVidia, HSG1075; HDMI Audio Output
  HDA NVidia, HDMI 1; HDMI Audio Output
  HDA NVidia, HDMI 2; HDMI Audio Output
  HDA NVidia, HDMI 3; HDMI Audio Output
```

with alsa-ucm-conf:
```JUCE v8.0.10
--------------------------------
Type: ALSA
Inputs:
  Default ALSA Output (currently PulseAudio Sound Server)
  PulseAudio Sound Server
  Rate Converter Plugin Using Speex Resampler
  Plugin for channel upmix (4,6,8)
  HDA Intel PCH, ALC892 Analog; Front output / input
Outputs:
  Default ALSA Output (currently PulseAudio Sound Server)
  PulseAudio Sound Server
  Rate Converter Plugin Using Speex Resampler
  Plugin for channel upmix (4,6,8)
  HDA Intel PCH, ALC892 Analog; Front output / input
  HDA Intel PCH, ALC892 Analog; 2.1 Surround output to Front and Subwoofer speakers
  HDA Intel PCH, ALC892 Analog; 4.0 Surround output to Front and Rear speakers
  HDA Intel PCH, ALC892 Analog; 4.1 Surround output to Front, Rear and Subwoofer speakers
  HDA Intel PCH, ALC892 Analog; 5.0 Surround output to Front, Center and Rear speakers
  HDA Intel PCH, ALC892 Analog; 5.1 Surround output to Front, Center, Rear and Subwoofer speakers
  HDA Intel PCH, ALC892 Analog; 7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
  HDA Intel PCH, ALC892 Digital; IEC958 (S/PDIF) Digital Audio Output
  HDA NVidia, HSG1075; HDMI Audio Output
  HDA NVidia, HDMI 1; HDMI Audio Output
  HDA NVidia, HDMI 2; HDMI Audio Output
  HDA NVidia, HDMI 3; HDMI Audio Output

```

Issue URL     : https://github.com/alsa-project/alsa-ucm-conf/issues/781
Repository URL: https://github.com/alsa-project/alsa-ucm-conf