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[Raymond <1329014@xxxxxxxxxxxxxxxxxx>]

THE LOCKING CTL BUG can be easily reproduced by open two terminals

aplay -D front:AUDIGY2 -f DAT Foo1.wav

arecord -D front:AUDIGY2 -f DAT Foo2.wav


you need to change /usr/share/alsa/conf/cards/AUDIGY2.conf

so that the slave capture device has no locks or just define playback
slave only

Plugin: asym

This plugin is a combination of playback and capture PCM streams. Slave PCMs can be defined asymmetrically for both directions.
pcm.name {
        type asym               # Asym PCM
        playback STR            # Playback slave name
        # or
        playback {              # Playback slave definition
                pcm STR         # Slave PCM name
                # or
                pcm { }         # Slave PCM definition
        }
        capture STR             # Capture slave name
        # or
        capture {               # Capture slave definition
                pcm STR         # Slave PCM name
                # or
                pcm { }         # Slave PCM definition
        }
}

For example, you can combine a dmix plugin and a dsnoop plugin as as a single PCM for playback and capture directions, respectively. 
pcm.duplex {
        type asym
        playback.pcm "dmix"
        capture.pcm "dsnoop"
}

By defining only a single direction, the resultant PCM becomes half-
duplex.

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Touch seeded packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1329014

Title:
  [Audigy2 - SB Audigy 2 [SB0240], playback] No sound at all

Status in “alsa-driver” package in Ubuntu:
  Incomplete

Bug description:
  newage@newage-desktop:~$ aplay -l
  **** Lista PLAYBACK de dispozitive ****
  placa 0: Audigy2 [SB Audigy 2 [SB0240]], dispozitiv 0: emu10k1 [ADC Capture/Standard PCM Playback]
    subdispozitive: 32/32
    Subdispozitiv #0: subdevice #0
    Subdispozitiv #1: subdevice #1
    Subdispozitiv #2: subdevice #2
    Subdispozitiv #3: subdevice #3
    Subdispozitiv #4: subdevice #4
    Subdispozitiv #5: subdevice #5
    Subdispozitiv #6: subdevice #6
    Subdispozitiv #7: subdevice #7
    Subdispozitiv #8: subdevice #8
    Subdispozitiv #9: subdevice #9
    Subdispozitiv #10: subdevice #10
    Subdispozitiv #11: subdevice #11
    Subdispozitiv #12: subdevice #12
    Subdispozitiv #13: subdevice #13
    Subdispozitiv #14: subdevice #14
    Subdispozitiv #15: subdevice #15
    Subdispozitiv #16: subdevice #16
    Subdispozitiv #17: subdevice #17
    Subdispozitiv #18: subdevice #18
    Subdispozitiv #19: subdevice #19
    Subdispozitiv #20: subdevice #20
    Subdispozitiv #21: subdevice #21
    Subdispozitiv #22: subdevice #22
    Subdispozitiv #23: subdevice #23
    Subdispozitiv #24: subdevice #24
    Subdispozitiv #25: subdevice #25
    Subdispozitiv #26: subdevice #26
    Subdispozitiv #27: subdevice #27
    Subdispozitiv #28: subdevice #28
    Subdispozitiv #29: subdevice #29
    Subdispozitiv #30: subdevice #30
    Subdispozitiv #31: subdevice #31
  placa 0: Audigy2 [SB Audigy 2 [SB0240]], dispozitiv 2: emu10k1 efx [Multichannel Capture/PT Playback]
    subdispozitive: 8/8
    Subdispozitiv #0: subdevice #0
    Subdispozitiv #1: subdevice #1
    Subdispozitiv #2: subdevice #2
    Subdispozitiv #3: subdevice #3
    Subdispozitiv #4: subdevice #4
    Subdispozitiv #5: subdevice #5
    Subdispozitiv #6: subdevice #6
    Subdispozitiv #7: subdevice #7
  placa 0: Audigy2 [SB Audigy 2 [SB0240]], dispozitiv 3: emu10k1 [Multichannel Playback]
    subdispozitive: 1/1
    Subdispozitiv #0: subdevice #0
  placa 0: Audigy2 [SB Audigy 2 [SB0240]], dispozitiv 4: p16v [p16v]
    subdispozitive: 1/1
    Subdispozitiv #0: subdevice #0

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.13.0-29.53-generic 3.13.11.2
  Uname: Linux 3.13.0-29-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  newage     2071 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Wed Jun 11 20:38:53 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-06-11 (0 days ago)
  InstallationMedia: It
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Audigy2 failed
  Symptom_Card: SB0240 Audigy 2 Platinum 6.1 - SB Audigy 2 [SB0240]
  Symptom_DevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  newage     2071 F.... pulseaudio
  Symptom_Type: No sound at all
  Title: [Audigy2 - SB Audigy 2 [SB0240], playback] No sound at all
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/31/2005
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: BZ87510A.86A.0125.P34.0503312215
  dmi.board.name: D875PBZ
  dmi.board.vendor: Intel Corporation
  dmi.board.version: AAC26680-205
  dmi.chassis.type: 2
  dmi.modalias: dmi:bvnIntelCorp.:bvrBZ87510A.86A.0125.P34.0503312215:bd03/31/2005:svn:pn:pvr:rvnIntelCorporation:rnD875PBZ:rvrAAC26680-205:cvn:ct2:cvr:

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