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On 2015-05-27T13:53:19+00:00 Andras Muranyi wrote:

Created attachment 116075
Output of alsa-info.sh

Cheap oriental MIDI adapter starts up with the following error, but
works as expected.*

E: [pulseaudio] module.c: Failed to load module "module-alsa-card"
(argument: "device_id="1" name="usb-1a86_USB2.0-MIDI-00-USB20MIDI"
card_name="alsa_card.usb-1a86_USB2.0-MIDI-00-USB20MIDI"
namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no
deferred_volume=yes use_ucm=yes card_properties="module-udev-
detect.discovered=1""): initialization failed.

The device:
1a86:752d QinHeng Electronics CH345 MIDI adapter

Ubuntu 14.04.2 LTS
Pulseaudio 1:4.0-0ubuntu11.1

* works almost as expected: there is one physical input and one output,
but in ALSA one input and two outputs appear.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1458947/comments/5

------------------------------------------------------------------------
On 2015-05-27T14:01:55+00:00 Andras Muranyi wrote:

Created attachment 116077
Output of pulseaudio -vvvv

Reply at:
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1458947/comments/6


** Changed in: pulseaudio
       Status: Unknown => Confirmed

** Changed in: pulseaudio
   Importance: Unknown => Medium

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https://bugs.launchpad.net/bugs/1458947

Title:
  QinHeng Electronics CH345 MIDI adapter triggers error

Status in PulseAudio sound server:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Incomplete

Bug description:
  Cheap oriental MIDI adapter starts up with the following error, but
  works as expected.*

  E: [pulseaudio] module.c: Failed to load module "module-alsa-card"
  (argument: "device_id="1" name="usb-1a86_USB2.0-MIDI-00-USB20MIDI"
  card_name="alsa_card.usb-1a86_USB2.0-MIDI-00-USB20MIDI"
  namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no
  deferred_volume=yes use_ucm=yes card_properties="module-udev-
  detect.discovered=1""): initialization failed.

  The device:
  1a86:752d QinHeng Electronics CH345 MIDI adapter

  Of course i'm not sure whether this is a PA problem or an ALSA or UDEV
  bug.

  Ubuntu 14.04.2 LTS
  Pulseaudio 1:4.0-0ubuntu11.1

  *  works almost as expected: there is one physical input and one
  output, but in ALSA one input and two outputs appear.

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