Public bug reported:

When I plug in the USB soundcard Boss Micro BR-80 I can see it when
listing audio devices using aplay -l or aplay -L but qjackctl does not
show it. Started qjackctl after the sourcard was plugged in.

Starting jackd manualy "jackd -d alsa -d hw:2" works (tried both
playback and record with ardour2).

Devices listed by qjackctl: /dev/dsp, /dev/audio, plughw:0 and hw:0
(same list in interface, input and output drop-down menus)

Devices listed by aplay/arecord:

aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Generic [HD-Audio Generic], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: SB [HDA ATI SB], device 0: ALC892 Analog [ALC892 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: SB [HDA ATI SB], device 1: ALC892 Digital [ALC892 Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 2: BR80AUDIO [BR-80(AUDIO)], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

erik@jojda:~$ arecord -l
**** List of CAPTURE Hardware Devices ****
card 1: SB [HDA ATI SB], device 0: ALC892 Analog [ALC892 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 2: BR80AUDIO [BR-80(AUDIO)], device 0: USB Audio [USB Audio]
  Subdevices: 0/1
  Subdevice #0: subdevice #0

aplay -L
default
    Playback/recording through the PulseAudio sound server
hdmi:CARD=Generic,DEV=0
    HD-Audio Generic, HDMI 0
    HDMI Audio Output
dmix:CARD=Generic,DEV=3
    HD-Audio Generic, HDMI 0
    Direct sample mixing device
dsnoop:CARD=Generic,DEV=3
    HD-Audio Generic, HDMI 0
    Direct sample snooping device
hw:CARD=Generic,DEV=3
    HD-Audio Generic, HDMI 0
    Direct hardware device without any conversions
plughw:CARD=Generic,DEV=3
    HD-Audio Generic, HDMI 0
    Hardware device with all software conversions
sysdefault:CARD=SB
    HDA ATI SB, ALC892 Analog
    Default Audio Device
front:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    Front speakers
surround40:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Digital
    IEC958 (S/PDIF) Digital Audio Output
dmix:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    Direct sample mixing device
dmix:CARD=SB,DEV=1
    HDA ATI SB, ALC892 Digital
    Direct sample mixing device
dsnoop:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    Direct sample snooping device
dsnoop:CARD=SB,DEV=1
    HDA ATI SB, ALC892 Digital
    Direct sample snooping device
hw:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    Direct hardware device without any conversions
hw:CARD=SB,DEV=1
    HDA ATI SB, ALC892 Digital
    Direct hardware device without any conversions
plughw:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    Hardware device with all software conversions
plughw:CARD=SB,DEV=1
    HDA ATI SB, ALC892 Digital
    Hardware device with all software conversions
sysdefault:CARD=BR80AUDIO
    BR-80(AUDIO), USB Audio
    Default Audio Device
front:CARD=BR80AUDIO,DEV=0
    BR-80(AUDIO), USB Audio
    Front speakers
surround40:CARD=BR80AUDIO,DEV=0
    BR-80(AUDIO), USB Audio
    4.0 Surround output to Front and Rear speakers
surround41:CARD=BR80AUDIO,DEV=0
    BR-80(AUDIO), USB Audio
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=BR80AUDIO,DEV=0
    BR-80(AUDIO), USB Audio
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=BR80AUDIO,DEV=0
    BR-80(AUDIO), USB Audio
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=BR80AUDIO,DEV=0
    BR-80(AUDIO), USB Audio
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=BR80AUDIO,DEV=0
    BR-80(AUDIO), USB Audio
    IEC958 (S/PDIF) Digital Audio Output
dmix:CARD=BR80AUDIO,DEV=0
    BR-80(AUDIO), USB Audio
    Direct sample mixing device
dsnoop:CARD=BR80AUDIO,DEV=0
    BR-80(AUDIO), USB Audio
    Direct sample snooping device
hw:CARD=BR80AUDIO,DEV=0
    BR-80(AUDIO), USB Audio
    Direct hardware device without any conversions
plughw:CARD=BR80AUDIO,DEV=0
    BR-80(AUDIO), USB Audio
    Hardware device with all software conversions 

Any ideas what's going on?

** Affects: qjackctl (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1228727

Title:
  qjackctl does not show USB soundcard

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