Ubuntu
linux-source-2.6.15 package

ALSA Audigy 2 NX sound mixing problem

Bug #36510 reported by fatejudger
10
Affects Status Importance Assigned to Milestone
linux-source-2.6.15 (Ubuntu)
Invalid
Low
Unassigned

Bug Description

Sound mixing is not correctly working in ALSA. The output of the command "lsusb -v" is as follows:

Bus 005 Device 005: ID 041e:3020 Creative Technology, Ltd SoundBlaster Audigy 2 NX
Device Descriptor:
  bLength 18
  bDescriptorType 1
  bcdUSB 2.00
  bDeviceClass 0 (Defined at Interface level)
  bDeviceSubClass 0
  bDeviceProtocol 0
  bMaxPacketSize0 64
  idVendor 0x041e Creative Technology, Ltd
  idProduct 0x3020 SoundBlaster Audigy 2 NX
  bcdDevice 1.00
  iManufacturer 1
  iProduct 2
  iSerial 0
  bNumConfigurations 1
  Configuration Descriptor:
    bLength 9
    bDescriptorType 2
    wTotalLength 1568
    bNumInterfaces 3
    bConfigurationValue 1
    iConfiguration 0
    bmAttributes 0xc0
      Self Powered
    MaxPower 2mA
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 0
      bAlternateSetting 0
      bNumEndpoints 1
      bInterfaceClass 1 Audio
      bInterfaceSubClass 1 Control Device
      bInterfaceProtocol 0
      iInterface 0
      AudioControl Interface Descriptor:
        bLength 10
        bDescriptorType 36
        bDescriptorSubtype 1 (HEADER)
        bcdADC 1.00
        wTotalLength 317
        bInCollection 2
        baInterfaceNr( 0) 1
        baInterfaceNr( 1) 2
      AudioControl Interface Descriptor:
        bLength 12
        bDescriptorType 36
        bDescriptorSubtype 2 (INPUT_TERMINAL)
        bTerminalID 1
        wTerminalType 0x0101 USB Streaming
        bAssocTerminal 0
        bNrChannels 8
        wChannelConfig 0x063f
          Left Front (L)
          Right Front (R)
          Center Front (C)
          Low Freqency Enhancement (LFE)
          Left Surround (LS)
          Right Surround (RS)
          Side Left (SL)
          Side Right (SR)
        iChannelNames 0
        iTerminal 0
      AudioControl Interface Descriptor:
        bLength 12
        bDescriptorType 36
        bDescriptorSubtype 2 (INPUT_TERMINAL)
        bTerminalID 4
        wTerminalType 0x0602 Digital Audio Interface
        bAssocTerminal 0
        bNrChannels 2
        wChannelConfig 0x0003
          Left Front (L)
          Right Front (R)
        iChannelNames 0
        iTerminal 0
      AudioControl Interface Descriptor:
        bLength 13
        bDescriptorType 36
        bDescriptorSubtype 6 (FEATURE_UNIT)
        bUnitID 6
        bSourceID 4
        bControlSize 2
        bmaControls( 0) 0x01
        bmaControls( 0) 0x00
          Mute
        bmaControls( 1) 0x02
        bmaControls( 1) 0x00
          Volume
        bmaControls( 2) 0x02
        bmaControls( 2) 0x00
          Volume
        iFeature 0
      AudioControl Interface Descriptor:
        bLength 12
        bDescriptorType 36
        bDescriptorSubtype 2 (INPUT_TERMINAL)
        bTerminalID 7
        wTerminalType 0x0603 Line Connector
        bAssocTerminal 0
        bNrChannels 2
        wChannelConfig 0x0003
          Left Front (L)
          Right Front (R)
        iChannelNames 0
        iTerminal 0
      AudioControl Interface Descriptor:
        bLength 13
        bDescriptorType 36
        bDescriptorSubtype 6 (FEATURE_UNIT)
        bUnitID 8
        bSourceID 7
        bControlSize 2
        bmaControls( 0) 0x01
        bmaControls( 0) 0x00
          Mute
        bmaControls( 1) 0x02
        bmaControls( 1) 0x00
          Volume
        bmaControls( 2) 0x02
        bmaControls( 2) 0x00
          Volume
        iFeature 0
      AudioControl Interface Descriptor:
        bLength 25
        bDescriptorType 36
        bDescriptorSubtype 4 (MIXER_UNIT)
        bUnitID 16
        bNrInPins 3
        baSourceID( 0) 1
        baSourceID( 1) 6
        baSourceID( 2) 8
        bNrChannels 8
        wChannelConfig 0x063f
          Left Front (L)
          Right Front (R)
          Center Front (C)
          Low Freqency Enhancement (LFE)
          Left Surround (LS)
          Right Surround (RS)
          Side Left (SL)
          Side Right (SR)
        iChannelNames 0
        bmControls 0x00
        bmControls 0x00
        bmControls 0x00
        iMixer 0
        junk at descriptor end: 00 00 00 00 00 00 00 00 00
      AudioControl Interface Descriptor:
        bLength 25
        bDescriptorType 36
        bDescriptorSubtype 6 (FEATURE_UNIT)
        bUnitID 18
        bSourceID 16
        bControlSize 2
        bmaControls( 0) 0x01
        bmaControls( 0) 0x00
          Mute
        bmaControls( 1) 0x02
        bmaControls( 1) 0x00
          Volume
        bmaControls( 2) 0x02
        bmaControls( 2) 0x00
          Volume
        bmaControls( 3) 0x02
        bmaControls( 3) 0x00
          Volume
        bmaControls( 4) 0x02
        bmaControls( 4) 0x00
          Volume
        bmaControls( 5) 0x02
        bmaControls( 5) 0x00
          Volume
        bmaControls( 6) 0x02
        bmaControls( 6) 0x00
          Volume
        bmaControls( 7) 0x02
        bmaControls( 7) 0x00
          Volume
        bmaControls( 8) 0x02
        bmaControls( 8) 0x00
          Volume
        iFeature 0
      AudioControl Interface Descriptor:
        bLength 15
        bDescriptorType 36
        bDescriptorSubtype 8 (EXTENSION_UNIT)
        bUnitID 23
        wExtensionCode 0
        bNrPins 1
        baSourceID( 0) 18
        bNrChannels 6
        wChannelConfig 63
          Left Front (L)
          Right Front (R)
          Center Front (C)
          Low Freqency Enhancement (LFE)
          Left Surround (LS)
          Right Surround (RS)
        iChannelNames 0
        bControlSize 1
        bmControls( 0) 0x01
          Enable Processing
        iExtension 0
      AudioControl Interface Descriptor:
        bLength 15
        bDescriptorType 36
        bDescriptorSubtype 8 (EXTENSION_UNIT)
        bUnitID 17
        wExtensionCode 0
        bNrPins 1
        baSourceID( 0) 18
        bNrChannels 2
        wChannelConfig 3
          Left Front (L)
          Right Front (R)
        iChannelNames 0
        bControlSize 1
        bmControls( 0) 0x01
          Enable Processing
        iExtension 0
      AudioControl Interface Descriptor:
        bLength 15
        bDescriptorType 36
        bDescriptorSubtype 8 (EXTENSION_UNIT)
        bUnitID 21
        wExtensionCode 0
        bNrPins 1
        baSourceID( 0) 18
        bNrChannels 2
        wChannelConfig 1536
          Side Left (SL)
          Side Right (SR)
        iChannelNames 0
        bControlSize 1
        bmControls( 0) 0x01
          Enable Processing
        iExtension 0
      AudioControl Interface Descriptor:
        bLength 15
        bDescriptorType 36
        bDescriptorSubtype 8 (EXTENSION_UNIT)
        bUnitID 27
        wExtensionCode 0
        bNrPins 1
        baSourceID( 0) 1
        bNrChannels 2
        wChannelConfig 3
          Left Front (L)
          Right Front (R)
        iChannelNames 0
        bControlSize 1
        bmControls( 0) 0x01
          Enable Processing
        iExtension 0
      AudioControl Interface Descriptor:
        bLength 14
        bDescriptorType 36
        bDescriptorSubtype 6 (FEATURE_UNIT)
        bUnitID 28
        bSourceID 23
        bControlSize 1
        bmaControls( 0) 0x01
          Mute
        bmaControls( 1) 0x00
        bmaControls( 2) 0x00
        bmaControls( 3) 0x00
        bmaControls( 4) 0x00
        bmaControls( 5) 0x00
        bmaControls( 6) 0x00
        iFeature 0
      AudioControl Interface Descriptor:
        bLength 9
        bDescriptorType 36
        bDescriptorSubtype 3 (OUTPUT_TERMINAL)
        bTerminalID 19
        wTerminalType 0x0301 Speaker
        bAssocTerminal 0
        bSourceID 28
        iTerminal 0
      AudioControl Interface Descriptor:
        bLength 8
        bDescriptorType 36
        bDescriptorSubtype 5 (SELECTOR_UNIT)
        bUnitID 31
        bNrInPins 2
        baSource( 0) 17
        baSource( 1) 21
        iSelector 0
      AudioControl Interface Descriptor:
        bLength 10
        bDescriptorType 36
        bDescriptorSubtype 6 (FEATURE_UNIT)
        bUnitID 30
        bSourceID 31
        bControlSize 1
        bmaControls( 0) 0x01
          Mute
        bmaControls( 1) 0x00
        bmaControls( 2) 0x00
        iFeature 0
      AudioControl Interface Descriptor:
        bLength 9
        bDescriptorType 36
        bDescriptorSubtype 3 (OUTPUT_TERMINAL)
        bTerminalID 20
        wTerminalType 0x0302 Headphones
        bAssocTerminal 0
        bSourceID 30
        iTerminal 0
      AudioControl Interface Descriptor:
        bLength 9
        bDescriptorType 36
        bDescriptorSubtype 5 (SELECTOR_UNIT)
        bUnitID 29
        bNrInPins 3
        baSource( 0) 17
        baSource( 1) 27
        baSource( 2) 4
        iSelector 0
      AudioControl Interface Descriptor:
        bLength 10
        bDescriptorType 36
        bDescriptorSubtype 6 (FEATURE_UNIT)
        bUnitID 22
        bSourceID 29
        bControlSize 1
        bmaControls( 0) 0x01
          Mute
        bmaControls( 1) 0x00
        bmaControls( 2) 0x00
        iFeature 0
      AudioControl Interface Descriptor:
        bLength 9
        bDescriptorType 36
        bDescriptorSubtype 3 (OUTPUT_TERMINAL)
        bTerminalID 24
        wTerminalType 0x0602 Digital Audio Interface
        bAssocTerminal 0
        bSourceID 22
        iTerminal 0
      AudioControl Interface Descriptor:
        bLength 13
        bDescriptorType 36
        bDescriptorSubtype 6 (FEATURE_UNIT)
        bUnitID 11
        bSourceID 17
        bControlSize 2
        bmaControls( 0) 0x02
        bmaControls( 0) 0x00
          Volume
        bmaControls( 1) 0x00
        bmaControls( 1) 0x00
        bmaControls( 2) 0x00
        bmaControls( 2) 0x00
        iFeature 0
      AudioControl Interface Descriptor:
        bLength 13
        bDescriptorType 36
        bDescriptorSubtype 6 (FEATURE_UNIT)
        bUnitID 12
        bSourceID 7
        bControlSize 2
        bmaControls( 0) 0x02
        bmaControls( 0) 0x00
          Volume
        bmaControls( 1) 0x00
        bmaControls( 1) 0x00
        bmaControls( 2) 0x00
        bmaControls( 2) 0x00
        iFeature 0
      AudioControl Interface Descriptor:
        bLength 13
        bDescriptorType 36
        bDescriptorSubtype 6 (FEATURE_UNIT)
        bUnitID 13
        bSourceID 4
        bControlSize 2
        bmaControls( 0) 0x02
        bmaControls( 0) 0x00
          Volume
        bmaControls( 1) 0x00
        bmaControls( 1) 0x00
        bmaControls( 2) 0x00
        bmaControls( 2) 0x00
        iFeature 0
      AudioControl Interface Descriptor:
        bLength 9
        bDescriptorType 36
        bDescriptorSubtype 5 (SELECTOR_UNIT)
        bUnitID 14
        bNrInPins 3
        baSource( 0) 12
        baSource( 1) 13
        baSource( 2) 11
        iSelector 0
      AudioControl Interface Descriptor:
        bLength 9
        bDescriptorType 36
        bDescriptorSubtype 3 (OUTPUT_TERMINAL)
        bTerminalID 15
        wTerminalType 0x0101 USB Streaming
        bAssocTerminal 0
        bSourceID 14
        iTerminal 0
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x83 EP 3 IN
        bmAttributes 3
          Transfer Type Interrupt
          Synch Type None
          Usage Type Data
        wMaxPacketSize 0x0008 1x 8 bytes
        bInterval 10
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 1
      bAlternateSetting 0
      bNumEndpoints 0
      bInterfaceClass 1 Audio
      bInterfaceSubClass 2 Streaming
      bInterfaceProtocol 0
      iInterface 0
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 1
      bAlternateSetting 1
      bNumEndpoints 2
      bInterfaceClass 1 Audio
      bInterfaceSubClass 2 Streaming
      bInterfaceProtocol 0
      iInterface 0
      AudioStreaming Interface Descriptor:
        bLength 7
        bDescriptorType 36
        bDescriptorSubtype 1 (AS_GENERAL)
        bTerminalLink 1
        bDelay 0 frames
        wFormatTag 0 TYPE_I_UNDEFINED
      AudioStreaming Interface Descriptor:
        bLength 11
        bDescriptorType 36
        bDescriptorSubtype 2 (FORMAT_TYPE)
        bFormatType 1 (FORMAT_TYPE_I)
        bNrChannels 2
        bSubframeSize 2
        bBitResolution 16
        bSamFreqType 1 Discrete
        tSamFreq[ 0] 44100
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x01 EP 1 OUT
        bmAttributes 5
          Transfer Type Isochronous
          Synch Type Asynchronous
          Usage Type Data
        wMaxPacketSize 0x00b4 1x 180 bytes
        bInterval 4
        AudioControl Endpoint Descriptor:
          bLength 7
          bDescriptorType 37
          bDescriptorSubtype 1 (EP_GENERAL)
          bmAttributes 0x00
          bLockDelayUnits 0 Undefined
          wLockDelay 0 Undefined
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x81 EP 1 IN
        bmAttributes 17
          Transfer Type Isochronous
          Synch Type None
          Usage Type Feedback
        wMaxPacketSize 0x0004 1x 4 bytes
        bInterval 4
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 1
      bAlternateSetting 2
      bNumEndpoints 2
      bInterfaceClass 1 Audio
      bInterfaceSubClass 2 Streaming
      bInterfaceProtocol 0
      iInterface 0
      AudioStreaming Interface Descriptor:
        bLength 7
        bDescriptorType 36
        bDescriptorSubtype 1 (AS_GENERAL)
        bTerminalLink 1
        bDelay 0 frames
        wFormatTag 0 TYPE_I_UNDEFINED
      AudioStreaming Interface Descriptor:
        bLength 11
        bDescriptorType 36
        bDescriptorSubtype 2 (FORMAT_TYPE)
        bFormatType 1 (FORMAT_TYPE_I)
        bNrChannels 2
        bSubframeSize 3
        bBitResolution 24
        bSamFreqType 1 Discrete
        tSamFreq[ 0] 44100
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x01 EP 1 OUT
        bmAttributes 5
          Transfer Type Isochronous
          Synch Type Asynchronous
          Usage Type Data
        wMaxPacketSize 0x010e 1x 270 bytes
        bInterval 4
        AudioControl Endpoint Descriptor:
          bLength 7
          bDescriptorType 37
          bDescriptorSubtype 1 (EP_GENERAL)
          bmAttributes 0x00
          bLockDelayUnits 0 Undefined
          wLockDelay 0 Undefined
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x81 EP 1 IN
        bmAttributes 17
          Transfer Type Isochronous
          Synch Type None
          Usage Type Feedback
        wMaxPacketSize 0x0004 1x 4 bytes
        bInterval 4
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 1
      bAlternateSetting 3
      bNumEndpoints 2
      bInterfaceClass 1 Audio
      bInterfaceSubClass 2 Streaming
      bInterfaceProtocol 0
      iInterface 0
      AudioStreaming Interface Descriptor:
        bLength 7
        bDescriptorType 36
        bDescriptorSubtype 1 (AS_GENERAL)
        bTerminalLink 1
        bDelay 0 frames
        wFormatTag 1 PCM
      AudioStreaming Interface Descriptor:
        bLength 11
        bDescriptorType 36
        bDescriptorSubtype 2 (FORMAT_TYPE)
        bFormatType 1 (FORMAT_TYPE_I)
        bNrChannels 2
        bSubframeSize 2
        bBitResolution 16
        bSamFreqType 1 Discrete
        tSamFreq[ 0] 48000
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x01 EP 1 OUT
        bmAttributes 5
          Transfer Type Isochronous
          Synch Type Asynchronous
          Usage Type Data
        wMaxPacketSize 0x00c4 1x 196 bytes
        bInterval 4
        AudioControl Endpoint Descriptor:
          bLength 7
          bDescriptorType 37
          bDescriptorSubtype 1 (EP_GENERAL)
          bmAttributes 0x00
          bLockDelayUnits 0 Undefined
          wLockDelay 0 Undefined
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x81 EP 1 IN
        bmAttributes 17
          Transfer Type Isochronous
          Synch Type None
          Usage Type Feedback
        wMaxPacketSize 0x0004 1x 4 bytes
        bInterval 4
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 1
      bAlternateSetting 4
      bNumEndpoints 2
      bInterfaceClass 1 Audio
      bInterfaceSubClass 2 Streaming
      bInterfaceProtocol 0
      iInterface 0
      AudioStreaming Interface Descriptor:
        bLength 7
        bDescriptorType 36
        bDescriptorSubtype 1 (AS_GENERAL)
        bTerminalLink 1
        bDelay 0 frames
        wFormatTag 1 PCM
      AudioStreaming Interface Descriptor:
        bLength 11
        bDescriptorType 36
        bDescriptorSubtype 2 (FORMAT_TYPE)
        bFormatType 1 (FORMAT_TYPE_I)
        bNrChannels 2
        bSubframeSize 3
        bBitResolution 24
        bSamFreqType 1 Discrete
        tSamFreq[ 0] 48000
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x01 EP 1 OUT
        bmAttributes 5
          Transfer Type Isochronous
          Synch Type Asynchronous
          Usage Type Data
        wMaxPacketSize 0x0126 1x 294 bytes
        bInterval 4
        AudioControl Endpoint Descriptor:
          bLength 7
          bDescriptorType 37
          bDescriptorSubtype 1 (EP_GENERAL)
          bmAttributes 0x00
          bLockDelayUnits 0 Undefined
          wLockDelay 0 Undefined
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x81 EP 1 IN
        bmAttributes 17
          Transfer Type Isochronous
          Synch Type None
          Usage Type Feedback
        wMaxPacketSize 0x0004 1x 4 bytes
        bInterval 4
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 1
      bAlternateSetting 5
      bNumEndpoints 2
      bInterfaceClass 1 Audio
      bInterfaceSubClass 2 Streaming
      bInterfaceProtocol 0
      iInterface 0
      AudioStreaming Interface Descriptor:
        bLength 7
        bDescriptorType 36
        bDescriptorSubtype 1 (AS_GENERAL)
        bTerminalLink 1
        bDelay 0 frames
        wFormatTag 1 PCM
      AudioStreaming Interface Descriptor:
        bLength 11
        bDescriptorType 36
        bDescriptorSubtype 2 (FORMAT_TYPE)
        bFormatType 1 (FORMAT_TYPE_I)
        bNrChannels 2
        bSubframeSize 2
        bBitResolution 16
        bSamFreqType 1 Discrete
        tSamFreq[ 0] 96000
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x01 EP 1 OUT
        bmAttributes 5
          Transfer Type Isochronous
          Synch Type Asynchronous
          Usage Type Data
        wMaxPacketSize 0x0184 1x 388 bytes
        bInterval 4
        AudioControl Endpoint Descriptor:
          bLength 7
          bDescriptorType 37
          bDescriptorSubtype 1 (EP_GENERAL)
          bmAttributes 0x00
          bLockDelayUnits 0 Undefined
          wLockDelay 0 Undefined
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x81 EP 1 IN
        bmAttributes 17
          Transfer Type Isochronous
          Synch Type None
          Usage Type Feedback
        wMaxPacketSize 0x0004 1x 4 bytes
        bInterval 4
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 1
      bAlternateSetting 6
      bNumEndpoints 2
      bInterfaceClass 1 Audio
      bInterfaceSubClass 2 Streaming
      bInterfaceProtocol 0
      iInterface 0
      AudioStreaming Interface Descriptor:
        bLength 7
        bDescriptorType 36
        bDescriptorSubtype 1 (AS_GENERAL)
        bTerminalLink 1
        bDelay 0 frames
        wFormatTag 1 PCM
      AudioStreaming Interface Descriptor:
        bLength 11
        bDescriptorType 36
        bDescriptorSubtype 2 (FORMAT_TYPE)
        bFormatType 1 (FORMAT_TYPE_I)
        bNrChannels 2
        bSubframeSize 3
        bBitResolution 24
        bSamFreqType 1 Discrete
        tSamFreq[ 0] 96000
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x01 EP 1 OUT
        bmAttributes 5
          Transfer Type Isochronous
          Synch Type Asynchronous
          Usage Type Data
        wMaxPacketSize 0x0246 1x 582 bytes
        bInterval 4
        AudioControl Endpoint Descriptor:
          bLength 7
          bDescriptorType 37
          bDescriptorSubtype 1 (EP_GENERAL)
          bmAttributes 0x00
          bLockDelayUnits 0 Undefined
          wLockDelay 0 Undefined
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x81 EP 1 IN
        bmAttributes 17
          Transfer Type Isochronous
          Synch Type None
          Usage Type Feedback
        wMaxPacketSize 0x0004 1x 4 bytes
        bInterval 4
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 1
      bAlternateSetting 7
      bNumEndpoints 2
      bInterfaceClass 1 Audio
      bInterfaceSubClass 2 Streaming
      bInterfaceProtocol 0
      iInterface 0
      AudioStreaming Interface Descriptor:
        bLength 7
        bDescriptorType 36
        bDescriptorSubtype 1 (AS_GENERAL)
        bTerminalLink 1
        bDelay 0 frames
        wFormatTag 1 PCM
      AudioStreaming Interface Descriptor:
        bLength 11
        bDescriptorType 36
        bDescriptorSubtype 2 (FORMAT_TYPE)
        bFormatType 1 (FORMAT_TYPE_I)
        bNrChannels 4
        bSubframeSize 2
        bBitResolution 16
        bSamFreqType 1 Discrete
        tSamFreq[ 0] 48000
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x01 EP 1 OUT
        bmAttributes 5
          Transfer Type Isochronous
          Synch Type Asynchronous
          Usage Type Data
        wMaxPacketSize 0x0188 1x 392 bytes
        bInterval 4
        AudioControl Endpoint Descriptor:
          bLength 7
          bDescriptorType 37
          bDescriptorSubtype 1 (EP_GENERAL)
          bmAttributes 0x00
          bLockDelayUnits 0 Undefined
          wLockDelay 0 Undefined
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x81 EP 1 IN
        bmAttributes 17
          Transfer Type Isochronous
          Synch Type None
          Usage Type Feedback
        wMaxPacketSize 0x0004 1x 4 bytes
        bInterval 4
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 1
      bAlternateSetting 8
      bNumEndpoints 2
      bInterfaceClass 1 Audio
      bInterfaceSubClass 2 Streaming
      bInterfaceProtocol 0
      iInterface 0
      AudioStreaming Interface Descriptor:
        bLength 7
        bDescriptorType 36
        bDescriptorSubtype 1 (AS_GENERAL)
        bTerminalLink 1
        bDelay 0 frames
        wFormatTag 1 PCM
      AudioStreaming Interface Descriptor:
        bLength 11
        bDescriptorType 36
        bDescriptorSubtype 2 (FORMAT_TYPE)
        bFormatType 1 (FORMAT_TYPE_I)
        bNrChannels 4
        bSubframeSize 3
        bBitResolution 24
        bSamFreqType 1 Discrete
        tSamFreq[ 0] 48000
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x01 EP 1 OUT
        bmAttributes 5
          Transfer Type Isochronous
          Synch Type Asynchronous
          Usage Type Data
        wMaxPacketSize 0x024c 1x 588 bytes
        bInterval 4
        AudioControl Endpoint Descriptor:
          bLength 7
          bDescriptorType 37
          bDescriptorSubtype 1 (EP_GENERAL)
          bmAttributes 0x00
          bLockDelayUnits 0 Undefined
          wLockDelay 0 Undefined
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x81 EP 1 IN
        bmAttributes 17
          Transfer Type Isochronous
          Synch Type None
          Usage Type Feedback
        wMaxPacketSize 0x0004 1x 4 bytes
        bInterval 4
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 1
      bAlternateSetting 9
      bNumEndpoints 2
      bInterfaceClass 1 Audio
      bInterfaceSubClass 2 Streaming
      bInterfaceProtocol 0
      iInterface 0
      AudioStreaming Interface Descriptor:
        bLength 7
        bDescriptorType 36
        bDescriptorSubtype 1 (AS_GENERAL)
        bTerminalLink 1
        bDelay 0 frames
        wFormatTag 1 PCM
      AudioStreaming Interface Descriptor:
        bLength 11
        bDescriptorType 36
        bDescriptorSubtype 2 (FORMAT_TYPE)
        bFormatType 1 (FORMAT_TYPE_I)
        bNrChannels 4
        bSubframeSize 2
        bBitResolution 16
        bSamFreqType 1 Discrete
        tSamFreq[ 0] 96000
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x01 EP 1 OUT
        bmAttributes 5
          Transfer Type Isochronous
          Synch Type Asynchronous
          Usage Type Data
        wMaxPacketSize 0x0308 1x 776 bytes
        bInterval 4
        AudioControl Endpoint Descriptor:
          bLength 7
          bDescriptorType 37
          bDescriptorSubtype 1 (EP_GENERAL)
          bmAttributes 0x00
          bLockDelayUnits 0 Undefined
          wLockDelay 0 Undefined
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x81 EP 1 IN
        bmAttributes 17
          Transfer Type Isochronous
          Synch Type None
          Usage Type Feedback
        wMaxPacketSize 0x0004 1x 4 bytes
        bInterval 4
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 1
      bAlternateSetting 10
      bNumEndpoints 2
      bInterfaceClass 1 Audio
      bInterfaceSubClass 2 Streaming
      bInterfaceProtocol 0
      iInterface 0
      AudioStreaming Interface Descriptor:
        bLength 7
        bDescriptorType 36
        bDescriptorSubtype 1 (AS_GENERAL)
        bTerminalLink 1
        bDelay 0 frames
        wFormatTag 1 PCM
      AudioStreaming Interface Descriptor:
        bLength 11
        bDescriptorType 36
        bDescriptorSubtype 2 (FORMAT_TYPE)
        bFormatType 1 (FORMAT_TYPE_I)
        bNrChannels 4
        bSubframeSize 3
        bBitResolution 24
        bSamFreqType 1 Discrete
        tSamFreq[ 0] 96000
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x01 EP 1 OUT
        bmAttributes 5
          Transfer Type Isochronous
          Synch Type Asynchronous
          Usage Type Data
        wMaxPacketSize 0x009c 1x 156 bytes
        bInterval 1
        AudioControl Endpoint Descriptor:
          bLength 7
          bDescriptorType 37
          bDescriptorSubtype 1 (EP_GENERAL)
          bmAttributes 0x00
          bLockDelayUnits 0 Undefined
          wLockDelay 0 Undefined
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x81 EP 1 IN
        bmAttributes 17
          Transfer Type Isochronous
          Synch Type None
          Usage Type Feedback
        wMaxPacketSize 0x0004 1x 4 bytes
        bInterval 4
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 1
      bAlternateSetting 11
      bNumEndpoints 2
      bInterfaceClass 1 Audio
      bInterfaceSubClass 2 Streaming
      bInterfaceProtocol 0
      iInterface 0
      AudioStreaming Interface Descriptor:
        bLength 7
        bDescriptorType 36
        bDescriptorSubtype 1 (AS_GENERAL)
        bTerminalLink 1
        bDelay 0 frames
        wFormatTag 1 PCM
      AudioStreaming Interface Descriptor:
        bLength 11
        bDescriptorType 36
        bDescriptorSubtype 2 (FORMAT_TYPE)
        bFormatType 1 (FORMAT_TYPE_I)
        bNrChannels 6
        bSubframeSize 2
        bBitResolution 16
        bSamFreqType 1 Discrete
        tSamFreq[ 0] 48000
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x01 EP 1 OUT
        bmAttributes 5
          Transfer Type Isochronous
          Synch Type Asynchronous
          Usage Type Data
        wMaxPacketSize 0x024c 1x 588 bytes
        bInterval 4
        AudioControl Endpoint Descriptor:
          bLength 7
          bDescriptorType 37
          bDescriptorSubtype 1 (EP_GENERAL)
          bmAttributes 0x00
          bLockDelayUnits 0 Undefined
          wLockDelay 0 Undefined
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x81 EP 1 IN
        bmAttributes 17
          Transfer Type Isochronous
          Synch Type None
          Usage Type Feedback
        wMaxPacketSize 0x0004 1x 4 bytes
        bInterval 4
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 1
      bAlternateSetting 12
      bNumEndpoints 2
      bInterfaceClass 1 Audio
      bInterfaceSubClass 2 Streaming
      bInterfaceProtocol 0
      iInterface 0
      AudioStreaming Interface Descriptor:
        bLength 7
        bDescriptorType 36
        bDescriptorSubtype 1 (AS_GENERAL)
        bTerminalLink 1
        bDelay 0 frames
        wFormatTag 1 PCM
      AudioStreaming Interface Descriptor:
        bLength 11
        bDescriptorType 36
        bDescriptorSubtype 2 (FORMAT_TYPE)
        bFormatType 1 (FORMAT_TYPE_I)
        bNrChannels 6
        bSubframeSize 3
        bBitResolution 24
        bSamFreqType 1 Discrete
        tSamFreq[ 0] 48000
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x01 EP 1 OUT
        bmAttributes 5
          Transfer Type Isochronous
          Synch Type Asynchronous
          Usage Type Data
        wMaxPacketSize 0x0372 1x 882 bytes
        bInterval 4
        AudioControl Endpoint Descriptor:
          bLength 7
          bDescriptorType 37
          bDescriptorSubtype 1 (EP_GENERAL)
          bmAttributes 0x00
          bLockDelayUnits 0 Undefined
          wLockDelay 0 Undefined
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x81 EP 1 IN
        bmAttributes 17
          Transfer Type Isochronous
          Synch Type None
          Usage Type Feedback
        wMaxPacketSize 0x0004 1x 4 bytes
        bInterval 4
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 1
      bAlternateSetting 13
      bNumEndpoints 2
      bInterfaceClass 1 Audio
      bInterfaceSubClass 2 Streaming
      bInterfaceProtocol 0
      iInterface 0
      AudioStreaming Interface Descriptor:
        bLength 7
        bDescriptorType 36
        bDescriptorSubtype 1 (AS_GENERAL)
        bTerminalLink 1
        bDelay 0 frames
        wFormatTag 1 PCM
      AudioStreaming Interface Descriptor:
        bLength 11
        bDescriptorType 36
        bDescriptorSubtype 2 (FORMAT_TYPE)
        bFormatType 1 (FORMAT_TYPE_I)
        bNrChannels 6
        bSubframeSize 2
        bBitResolution 16
        bSamFreqType 1 Discrete
        tSamFreq[ 0] 96000
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x01 EP 1 OUT
        bmAttributes 5
          Transfer Type Isochronous
          Synch Type Asynchronous
          Usage Type Data
        wMaxPacketSize 0x009c 1x 156 bytes
        bInterval 1
        AudioControl Endpoint Descriptor:
          bLength 7
          bDescriptorType 37
          bDescriptorSubtype 1 (EP_GENERAL)
          bmAttributes 0x00
          bLockDelayUnits 0 Undefined
          wLockDelay 0 Undefined
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x81 EP 1 IN
        bmAttributes 17
          Transfer Type Isochronous
          Synch Type None
          Usage Type Feedback
        wMaxPacketSize 0x0004 1x 4 bytes
        bInterval 4
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 1
      bAlternateSetting 14
      bNumEndpoints 2
      bInterfaceClass 1 Audio
      bInterfaceSubClass 2 Streaming
      bInterfaceProtocol 0
      iInterface 0
      AudioStreaming Interface Descriptor:
        bLength 7
        bDescriptorType 36
        bDescriptorSubtype 1 (AS_GENERAL)
        bTerminalLink 1
        bDelay 0 frames
        wFormatTag 1 PCM
      AudioStreaming Interface Descriptor:
        bLength 11
        bDescriptorType 36
        bDescriptorSubtype 2 (FORMAT_TYPE)
        bFormatType 1 (FORMAT_TYPE_I)
        bNrChannels 6
        bSubframeSize 3
        bBitResolution 24
        bSamFreqType 1 Discrete
        tSamFreq[ 0] 96000
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x01 EP 1 OUT
        bmAttributes 5
          Transfer Type Isochronous
          Synch Type Asynchronous
          Usage Type Data
        wMaxPacketSize 0x00ea 1x 234 bytes
        bInterval 1
        AudioControl Endpoint Descriptor:
          bLength 7
          bDescriptorType 37
          bDescriptorSubtype 1 (EP_GENERAL)
          bmAttributes 0x00
          bLockDelayUnits 0 Undefined
          wLockDelay 0 Undefined
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x81 EP 1 IN
        bmAttributes 17
          Transfer Type Isochronous
          Synch Type None
          Usage Type Feedback
        wMaxPacketSize 0x0004 1x 4 bytes
        bInterval 4
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 1
      bAlternateSetting 15
      bNumEndpoints 2
      bInterfaceClass 1 Audio
      bInterfaceSubClass 2 Streaming
      bInterfaceProtocol 0
      iInterface 0
      AudioStreaming Interface Descriptor:
        bLength 7
        bDescriptorType 36
        bDescriptorSubtype 1 (AS_GENERAL)
        bTerminalLink 1
        bDelay 0 frames
        wFormatTag 1 PCM
      AudioStreaming Interface Descriptor:
        bLength 11
        bDescriptorType 36
        bDescriptorSubtype 2 (FORMAT_TYPE)
        bFormatType 1 (FORMAT_TYPE_I)
        bNrChannels 8
        bSubframeSize 2
        bBitResolution 16
        bSamFreqType 1 Discrete
        tSamFreq[ 0] 48000
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x01 EP 1 OUT
        bmAttributes 5
          Transfer Type Isochronous
          Synch Type Asynchronous
          Usage Type Data
        wMaxPacketSize 0x0310 1x 784 bytes
        bInterval 4
        AudioControl Endpoint Descriptor:
          bLength 7
          bDescriptorType 37
          bDescriptorSubtype 1 (EP_GENERAL)
          bmAttributes 0x00
          bLockDelayUnits 0 Undefined
          wLockDelay 0 Undefined
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x81 EP 1 IN
        bmAttributes 17
          Transfer Type Isochronous
          Synch Type None
          Usage Type Feedback
        wMaxPacketSize 0x0004 1x 4 bytes
        bInterval 4
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 1
      bAlternateSetting 16
      bNumEndpoints 2
      bInterfaceClass 1 Audio
      bInterfaceSubClass 2 Streaming
      bInterfaceProtocol 0
      iInterface 0
      AudioStreaming Interface Descriptor:
        bLength 7
        bDescriptorType 36
        bDescriptorSubtype 1 (AS_GENERAL)
        bTerminalLink 1
        bDelay 0 frames
        wFormatTag 1 PCM
      AudioStreaming Interface Descriptor:
        bLength 11
        bDescriptorType 36
        bDescriptorSubtype 2 (FORMAT_TYPE)
        bFormatType 1 (FORMAT_TYPE_I)
        bNrChannels 8
        bSubframeSize 3
        bBitResolution 24
        bSamFreqType 1 Discrete
        tSamFreq[ 0] 48000
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x01 EP 1 OUT
        bmAttributes 5
          Transfer Type Isochronous
          Synch Type Asynchronous
          Usage Type Data
        wMaxPacketSize 0x00a8 1x 168 bytes
        bInterval 1
        AudioControl Endpoint Descriptor:
          bLength 7
          bDescriptorType 37
          bDescriptorSubtype 1 (EP_GENERAL)
          bmAttributes 0x00
          bLockDelayUnits 0 Undefined
          wLockDelay 0 Undefined
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x81 EP 1 IN
        bmAttributes 17
          Transfer Type Isochronous
          Synch Type None
          Usage Type Feedback
        wMaxPacketSize 0x0004 1x 4 bytes
        bInterval 4
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 1
      bAlternateSetting 17
      bNumEndpoints 2
      bInterfaceClass 1 Audio
      bInterfaceSubClass 2 Streaming
      bInterfaceProtocol 0
      iInterface 0
      AudioStreaming Interface Descriptor:
        bLength 7
        bDescriptorType 36
        bDescriptorSubtype 1 (AS_GENERAL)
        bTerminalLink 1
        bDelay 0 frames
        wFormatTag 1 PCM
      AudioStreaming Interface Descriptor:
        bLength 11
        bDescriptorType 36
        bDescriptorSubtype 2 (FORMAT_TYPE)
        bFormatType 1 (FORMAT_TYPE_I)
        bNrChannels 8
        bSubframeSize 2
        bBitResolution 16
        bSamFreqType 1 Discrete
        tSamFreq[ 0] 96000
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x01 EP 1 OUT
        bmAttributes 5
          Transfer Type Isochronous
          Synch Type Asynchronous
          Usage Type Data
        wMaxPacketSize 0x00d0 1x 208 bytes
        bInterval 1
        AudioControl Endpoint Descriptor:
          bLength 7
          bDescriptorType 37
          bDescriptorSubtype 1 (EP_GENERAL)
          bmAttributes 0x00
          bLockDelayUnits 0 Undefined
          wLockDelay 0 Undefined
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x81 EP 1 IN
        bmAttributes 17
          Transfer Type Isochronous
          Synch Type None
          Usage Type Feedback
        wMaxPacketSize 0x0004 1x 4 bytes
        bInterval 4
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 1
      bAlternateSetting 18
      bNumEndpoints 2
      bInterfaceClass 1 Audio
      bInterfaceSubClass 2 Streaming
      bInterfaceProtocol 0

See original description
Revision history for this message
Matt Zimmerman (mdz) wrote :

We need more detail than "is not working correctly". Tell us exactly what you have observed. If you aren't sure what information is relevant, the guide at http://www.chiark.greenend.org.uk/~sgtatham/bugs.html may help.

Changed in linux-source-2.6.15:
status: Unconfirmed → Needs Info
Revision history for this message
fatejudger (fatejudger) wrote :

Sorry about that, I figured the description was clear enough.

Basically, the problem is only 1 program can use ALSA at a time. Normally programs that support ALSA can run in tandem, playing sounds at the same time. For example, I used to be able to have aRts and amaroK piping sound through my sound card at the same time. However, when I upgraded to my Audigy 2 NX, this functionality disappeared.

If you need any more info, let me know. Thanks.

Revision history for this message
Daniel T Chen (crimsun) wrote :

The snd-usb-audio driver is not slated to receive dmix+dsnoop as default in the near future. Does using plug:dmix:card_index work (where card_index is the index from /proc/asound/cards)?

Changed in linux-source-2.6.15:
importance: Medium → Low
Revision history for this message
fatejudger (fatejudger) wrote : Re: [Bug 36510] Re: ALSA Audigy 2 NX sound mixing problem

Sort of, in that there are all sorts of problems with aRts not starting up
properly. But when restarted everything "dmixes" properly after manually
configuring the ALSA config files. It sounds to me like this isn't a small
problem that can be easily patched. Perhaps working with the ALSA team to
develop a series of fixes might be the best course of action here.

Revision history for this message
Launchpad Janitor (janitor) wrote :

[Expired for linux-source-2.6.15 (Ubuntu) because there has been no activity for 60 days.]

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