Ubuntu
pulseaudio package

Crackling sound in 10.04 with any sound card

Asked by Laurent Raufaste

Hi,

I juste installed a stock Ubuntu 10.04 amd64 but I keep getting crackling sound.
It's really light crackling but it's really annoying and it's happening on the two sound cards on my PC:

laurent@popol:~$ cat /proc/asound/cards
 0 [NVidia ]: HDA-Intel - HDA NVidia
                      HDA NVidia at 0xfe024000 irq 23
 1 [Xmod ]: USB-Audio - Creative Xmod
                      Creative Technology Ltd Creative Xmod at usb-0000:00:0b.0-6, full speed

Any way to stop the cracklings ?

Thanks

Question information

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Ubuntu pulseaudio Edit question
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Revision history for this message
Sam_ (and-sam) said : 		#1

Please proceed with this page and in case upgrade Alsa, thanks.
https://help.ubuntu.com/community/SoundTroubleshootingProcedure

Revision history for this message
Mika Wahlroos (mpw) said : 		#2

The post is originally for the previous version of Ubuntu but someone on Ubuntu Forums seems to have solved a similar problem so perhaps it's worth taking a look:

http://ubuntuforums.org/showthread.php?t=1335045

Revision history for this message
Laurent Raufaste (analogue) said : 		#3

I did not do all that was described, because I get sound, it's just souding crackly at times.

Here is the output of the alsa-info.sh script:

upload=true&script=true&cardinfo=
!!################################
!!ALSA Information Script v 0.4.59
!!################################

!!Script ran on: Mon May 17 07:31:15 UTC 2010

!!Linux Distribution
!!------------------

Ubuntu 10.04 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 10.04 LTS"

!!DMI Information
!!---------------

Manufacturer: Dell Inc
Product Name: Dimension E521

!!Kernel Information
!!------------------

Kernel release: 2.6.32-22-generic
Operating System: GNU/Linux
Architecture: x86_64
Processor: unknown
SMP Enabled: Yes

!!ALSA Version
!!------------

Driver version: 1.0.21
Library version: 1.0.22
Utilities version: 1.0.22

!!Loaded ALSA modules
!!-------------------

snd_hda_intel
snd_usb_audio
snd_hda_intel

!!Sound Servers on this system
!!----------------------------

Pulseaudio:
      Installed - Yes (/usr/bin/pulseaudio)
      Running - Yes

ESound Daemon:
      Installed - Yes (/usr/bin/esd)
      Running - No

!!Soundcards recognised by ALSA
!!-----------------------------

 0 [NVidia ]: HDA-Intel - HDA NVidia
                      HDA NVidia at 0xfe024000 irq 23
 1 [Xmod ]: USB-Audio - Creative Xmod
                      Creative Technology Ltd Creative Xmod at usb-0000:00:0b.0-6, full speed
 2 [HDMI ]: HDA-Intel - HDA ATI HDMI
                      HDA ATI HDMI at 0xfddfc000 irq 16

!!PCI Soundcards installed in the system
!!--------------------------------------

00:10.1 Audio device: nVidia Corporation MCP51 High Definition Audio (rev a2)
03:00.1 Audio device: ATI Technologies Inc RV635 Audio device [Radeon HD 3600 Series]

!!Advanced information - PCI Vendor/Device/Susbsystem ID's
!!--------------------------------------------------------

00:10.1 0403: 10de:026c (rev a2)
 Subsystem: 1028:01ed
--
03:00.1 0403: 1002:aa20
 Subsystem: 174b:aa20

!!Modprobe options (Sound related)
!!--------------------------------

snd-atiixp-modem: index=-2
snd-intel8x0m: index=-2
snd-via82xx-modem: index=-2
snd-usb-audio: index=-2
snd-usb-us122l: index=-2
snd-usb-usx2y: index=-2
snd-usb-caiaq: index=-2
snd-cmipci: mpu_port=0x330 fm_port=0x388
snd-pcsp: index=-2

!!Loaded sound module options
!!--------------------------

!!Module: snd_hda_intel
 bdl_pos_adj : 32,32,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
 enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y
 enable_msi : 0
 id : <NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>
 index : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
 model : <NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>
 patch : <NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>
 position_fix : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
 power_save : 0
 power_save_controller : Y
 probe_mask : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
 probe_only : N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N
 single_cmd : N

!!Module: snd_usb_audio
 async_unlink : Y
 device_setup : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
 enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y
 id : <NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>
 ignore_ctl_error : N
 index : -2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
 nrpacks : 8
 pid : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
 vid : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1

!!Module: snd_hda_intel
 bdl_pos_adj : 32,32,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
 enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y
 enable_msi : 0
 id : <NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>
 index : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
 model : <NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>
 patch : <NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>
 position_fix : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
 power_save : 0
 power_save_controller : Y
 probe_mask : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
 probe_only : N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N
 single_cmd : N

!!HDA-Intel Codec information
!!---------------------------
--startcollapse--

Codec: SigmaTel STAC9227
Address: 0
Function Id: 0x1
Vendor Id: 0x83847618
Subsystem Id: 0x102801ed
Revision Id: 0x100201
No Modem Function Group found
Default PCM:
    rates [0x7e0]: 44100 48000 88200 96000 176400 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
Default Amp-In caps: ofs=0x00, nsteps=0x0e, stepsize=0x05, mute=0
Default Amp-Out caps: ofs=0x7f, nsteps=0x7f, stepsize=0x02, mute=1
GPIO: io=3, o=0, i=0, unsolicited=1, wake=1
  IO[0]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
  IO[1]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
  IO[2]: enable=1, dir=1, wake=0, sticky=0, data=1, unsol=0
Analog Loopback: 0x00
Node 0x02 [Audio Output] wcaps 0xd0c05: Stereo Amp-Out R/L
  Amp-Out caps: N/A
  Amp-Out vals: [0x57 0x57]
  Converter: stream=0, channel=0
  Power: setting=D0, actual=D0
  Delay: 13 samples
Node 0x03 [Audio Output] wcaps 0xd0c05: Stereo Amp-Out R/L
  Amp-Out caps: N/A
  Amp-Out vals: [0xff 0xff]
  Converter: stream=0, channel=0
  Power: setting=D0, actual=D0
  Delay: 13 samples
Node 0x04 [Audio Output] wcaps 0xd0c05: Stereo Amp-Out R/L
  Amp-Out caps: N/A
  Amp-Out vals: [0xd7 0xd7]
  Converter: stream=0, channel=0
  Power: setting=D0, actual=D0
  Delay: 13 samples
Node 0x05 [Audio Output] wcaps 0xd0c05: Stereo Amp-Out R/L
  Amp-Out caps: N/A
  Amp-Out vals: [0x57 0x57]
  Converter: stream=0, channel=0
  Power: setting=D0, actual=D0
  Delay: 13 samples
Node 0x06 [Vendor Defined Widget] wcaps 0xfd0c05: Stereo Amp-Out R/L
  Amp-Out caps: N/A
  Amp-Out vals: [0xff 0xff]
  Power: setting=D3, actual=D3
  Delay: 13 samples
Node 0x07 [Audio Input] wcaps 0x1d0541: Stereo
  Converter: stream=0, channel=0
  SDI-Select: 0
  Power: setting=D0, actual=D0
  Delay: 13 samples
  Connection: 1
     0x1b
  Processing caps: benign=0, ncoeff=0
Node 0x08 [Audio Input] wcaps 0x1d0541: Stereo
  Converter: stream=0, channel=0
  SDI-Select: 0
  Power: setting=D0, actual=D0
  Delay: 13 samples
  Connection: 1
     0x1c
  Processing caps: benign=0, ncoeff=0
Node 0x09 [Audio Input] wcaps 0x1d0541: Stereo
  Converter: stream=0, channel=0
  SDI-Select: 0
  Power: setting=D0, actual=D0
  Delay: 13 samples
  Connection: 1
     0x1d
  Processing caps: benign=0, ncoeff=0
Node 0x0a [Pin Complex] wcaps 0x400181: Stereo
  Pincap 0x0000173f: IN OUT HP Detect Trigger ImpSense
    Vref caps: HIZ 50 GRD 80
  Pin Default 0x02211230: [Jack] HP Out at Ext Front
    Conn = 1/8, Color = Black
    DefAssociation = 0x3, Sequence = 0x0
  Pin-ctls: 0x00: VREF_HIZ
  Unsolicited: tag=01, enabled=1
  Connection: 2
     0x02* 0x03
Node 0x0b [Pin Complex] wcaps 0x400181: Stereo
  Pincap 0x0000173f: IN OUT HP Detect Trigger ImpSense
    Vref caps: HIZ 50 GRD 80
  Pin Default 0x02a11220: [Jack] Mic at Ext Front
    Conn = 1/8, Color = Black
    DefAssociation = 0x2, Sequence = 0x0
  Pin-ctls: 0x24: IN VREF_80
  Unsolicited: tag=03, enabled=1
  Connection: 2
     0x02 0x03*
Node 0x0c [Pin Complex] wcaps 0x400181: Stereo
  Pincap 0x00001737: IN OUT Detect Trigger ImpSense
    Vref caps: HIZ 50 GRD 80
  Pin Default 0x01a19040: [Jack] Mic at Ext Rear
    Conn = 1/8, Color = Pink
    DefAssociation = 0x4, Sequence = 0x0
  Pin-ctls: 0x24: IN VREF_80
  Unsolicited: tag=02, enabled=1
  Connection: 1
     0x03
Node 0x0d [Pin Complex] wcaps 0x400181: Stereo
  Pincap 0x0000173f: IN OUT HP Detect Trigger ImpSense
    Vref caps: HIZ 50 GRD 80
  Pin Default 0x01114210: [Jack] Speaker at Ext Rear
    Conn = 1/8, Color = Green
    DefAssociation = 0x1, Sequence = 0x0
  Pin-ctls: 0x40: OUT VREF_HIZ
  Unsolicited: tag=00, enabled=0
  Connection: 1
     0x02
Node 0x0e [Pin Complex] wcaps 0x400181: Stereo
  Pincap 0x00001737: IN OUT Detect Trigger ImpSense
    Vref caps: HIZ 50 GRD 80
  Pin Default 0x01111212: [Jack] Speaker at Ext Rear
    Conn = 1/8, Color = Black
    DefAssociation = 0x1, Sequence = 0x2
  Pin-ctls: 0x40: OUT VREF_HIZ
  Unsolicited: tag=00, enabled=0
  Connection: 1
     0x04
Node 0x0f [Pin Complex] wcaps 0x400181: Stereo
  Pincap 0x00001737: IN OUT Detect Trigger ImpSense
    Vref caps: HIZ 50 GRD 80
  Pin Default 0x01116211: [Jack] Speaker at Ext Rear
    Conn = 1/8, Color = Orange
    DefAssociation = 0x1, Sequence = 0x1
  Pin-ctls: 0x40: OUT VREF_HIZ
  Unsolicited: tag=00, enabled=0
  Connection: 1
     0x05
Node 0x10 [Pin Complex] wcaps 0x400181: Stereo
  Pincap 0x00000037: IN OUT Detect Trigger ImpSense
  Pin Default 0x01813050: [Jack] Line In at Ext Rear
    Conn = 1/8, Color = Blue
    DefAssociation = 0x5, Sequence = 0x0
  Pin-ctls: 0x20: IN
  Unsolicited: tag=04, enabled=1
  Connection: 1
     0x04
Node 0x11 [Pin Complex] wcaps 0x400181: Stereo
  Pincap 0x00000037: IN OUT Detect Trigger ImpSense
  Pin Default 0x01112214: [Jack] Speaker at Ext Rear
    Conn = 1/8, Color = Grey
    DefAssociation = 0x1, Sequence = 0x4
  Pin-ctls: 0x40: OUT
  Unsolicited: tag=00, enabled=0
  Connection: 1
     0x03
Node 0x12 [Pin Complex] wcaps 0x400001: Stereo
  Pincap 0x00000020: IN
  Pin Default 0x403003fa: [N/A] CD at Ext N/A
    Conn = Unknown, Color = Unknown
    DefAssociation = 0xf, Sequence = 0xa
    Misc = NO_PRESENCE
  Pin-ctls: 0x00:
Node 0x13 [Vendor Defined Widget] wcaps 0xf00001: Stereo
Node 0x14 [Vendor Defined Widget] wcaps 0xf00001: Stereo
Node 0x15 [Audio Selector] wcaps 0x30010d: Stereo Amp-Out
  Amp-Out caps: ofs=0x00, nsteps=0x04, stepsize=0x27, mute=0
  Amp-Out vals: [0x00 0x00]
  Connection: 9
     0x0e 0x12 0x0f 0x0b 0x0c* 0x0d 0x0a 0x10 0x11
Node 0x16 [Audio Selector] wcaps 0x30010d: Stereo Amp-Out
  Amp-Out caps: ofs=0x00, nsteps=0x04, stepsize=0x27, mute=0
  Amp-Out vals: [0x00 0x00]
  Connection: 9
     0x0e 0x12 0x0f 0x0b 0x0c* 0x0d 0x0a 0x10 0x11
Node 0x17 [Audio Selector] wcaps 0x30010d: Stereo Amp-Out
  Amp-Out caps: ofs=0x00, nsteps=0x04, stepsize=0x27, mute=0
  Amp-Out vals: [0x00 0x00]
  Connection: 9
     0x0e 0x12 0x0f 0x0b 0x0c* 0x0d 0x0a 0x10 0x11
Node 0x18 [Audio Selector] wcaps 0x300103: Stereo Amp-In
  Amp-In caps: N/A
  Amp-In vals: [0x00 0x00]
  Connection: 1
     0x15
Node 0x19 [Audio Selector] wcaps 0x300103: Stereo Amp-In
  Amp-In caps: N/A
  Amp-In vals: [0x00 0x00]
  Connection: 1
     0x16
Node 0x1a [Audio Selector] wcaps 0x300103: Stereo Amp-In
  Amp-In caps: N/A
  Amp-In vals: [0x00 0x00]
  Connection: 1
     0x17
Node 0x1b [Audio Selector] wcaps 0x30090d: Stereo Amp-Out R/L
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals: [0x00 0x00]
  Connection: 1
     0x18
Node 0x1c [Audio Selector] wcaps 0x30090d: Stereo Amp-Out R/L
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals: [0x80 0x80]
  Connection: 1
     0x19
Node 0x1d [Audio Selector] wcaps 0x30090d: Stereo Amp-Out R/L
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals: [0x80 0x80]
  Connection: 1
     0x1a
Node 0x1e [Audio Output] wcaps 0x40211: Stereo Digital
  Converter: stream=0, channel=0
  Digital:
  Digital category: 0x0
  PCM:
    rates [0x7e0]: 44100 48000 88200 96000 176400 192000
    bits [0xe]: 16 20 24
    formats [0x5]: PCM AC3
  Delay: 4 samples
Node 0x1f [Vendor Defined Widget] wcaps 0xf30201: Stereo Digital
  Delay: 3 samples
Node 0x20 [Audio Input] wcaps 0x140311: Stereo Digital
  Converter: stream=0, channel=0
  SDI-Select: 0
  Digital:
  Digital category: 0x0
  PCM:
    rates [0x160]: 44100 48000 96000
    bits [0xe]: 16 20 24
    formats [0x5]: PCM AC3
  Delay: 4 samples
  Connection: 1
     0x22
Node 0x21 [Pin Complex] wcaps 0x400301: Stereo Digital
  Pincap 0x00000010: OUT
  Pin Default 0x404003fb: [N/A] SPDIF Out at Ext N/A
    Conn = Unknown, Color = Unknown
    DefAssociation = 0xf, Sequence = 0xb
    Misc = NO_PRESENCE
  Pin-ctls: 0x00:
  Connection: 5
     0x1e* 0x1f 0x1b 0x1c 0x1d
Node 0x22 [Pin Complex] wcaps 0x430681: Stereo Digital
  Pincap 0x00010024: IN EAPD Detect
  EAPD 0x0:
  Pin Default 0x40c003fc: [N/A] SPDIF In at Ext N/A
    Conn = Unknown, Color = Unknown
    DefAssociation = 0xf, Sequence = 0xc
    Misc = NO_PRESENCE
  Pin-ctls: 0x00:
  Unsolicited: tag=00, enabled=0
  Power: setting=D0, actual=D0
  Delay: 3 samples
Node 0x23 [Beep Generator Widget] wcaps 0x70000c: Mono Amp-Out
  Amp-Out caps: ofs=0x03, nsteps=0x03, stepsize=0x17, mute=0
  Amp-Out vals: [0x00]
Node 0x24 [Volume Knob Widget] wcaps 0x600000: Mono
  Volume-Knob: delta=1, steps=127, direct=0, val=127
  Connection: 4
     0x02 0x03 0x04 0x05
Codec: ATI R6xx HDMI
Address: 0
Function Id: 0x1
Vendor Id: 0x1002aa01
Subsystem Id: 0x00aa0100
Revision Id: 0x100000
No Modem Function Group found
Default PCM:
    rates [0x40]: 48000
    bits [0x2]: 16
    formats [0x1]: PCM
Default Amp-In caps: N/A
Default Amp-Out caps: N/A
GPIO: io=0, o=0, i=0, unsolicited=0, wake=0
Node 0x02 [Audio Output] wcaps 0x201: Stereo Digital
  Converter: stream=0, channel=0
  Digital:
  Digital category: 0x0
Node 0x03 [Pin Complex] wcaps 0x400381: Stereo Digital
  Pincap 0x00000094: OUT Detect HDMI
  Pin Default 0x18560010: [Jack] Digital Out at Int HDMI
    Conn = Digital, Color = Unknown
    DefAssociation = 0x1, Sequence = 0x0
  Pin-ctls: 0x40: OUT
  Unsolicited: tag=00, enabled=0
  Connection: 1
     0x02
--endcollapse--

!!ALSA Device nodes
!!-----------------

crw-rw----+ 1 root audio 116, 10 May 17 08:42 /dev/snd/controlC0
crw-rw----+ 1 root audio 116, 6 May 17 08:42 /dev/snd/controlC1
crw-rw----+ 1 root audio 116, 13 May 17 08:42 /dev/snd/controlC2
crw-rw----+ 1 root audio 116, 9 May 17 08:42 /dev/snd/hwC0D0
crw-rw----+ 1 root audio 116, 12 May 17 08:42 /dev/snd/hwC2D0
crw-rw----+ 1 root audio 116, 8 May 17 08:42 /dev/snd/pcmC0D0c
crw-rw----+ 1 root audio 116, 7 May 17 08:42 /dev/snd/pcmC0D0p
crw-rw----+ 1 root audio 116, 5 May 17 08:42 /dev/snd/pcmC1D0c
crw-rw----+ 1 root audio 116, 4 May 17 09:16 /dev/snd/pcmC1D0p
crw-rw----+ 1 root audio 116, 11 May 17 08:42 /dev/snd/pcmC2D3p
crw-rw----+ 1 root audio 116, 3 May 17 08:42 /dev/snd/seq
crw-rw----+ 1 root audio 116, 2 May 17 08:42 /dev/snd/timer

/dev/snd/by-id:
total 0
drwxr-xr-x 2 root root 60 May 17 08:42 .
drwxr-xr-x 4 root root 320 May 17 08:42 ..
lrwxrwxrwx 1 root root 12 May 17 08:42 usb-Creative_Technology_Ltd_Creative_Xmod-00 -> ../controlC1

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root 100 May 17 08:42 .
drwxr-xr-x 4 root root 320 May 17 08:42 ..
lrwxrwxrwx 1 root root 12 May 17 08:42 pci-0000:00:0b.0-usb-0:6:1.0 -> ../controlC1
lrwxrwxrwx 1 root root 12 May 17 08:42 pci-0000:00:10.1 -> ../controlC0
lrwxrwxrwx 1 root root 12 May 17 08:42 pci-0000:03:00.1 -> ../controlC2

!!Aplay/Arecord output
!!------------

APLAY

**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 0: STAC92xx Analog [STAC92xx Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: Xmod [Creative Xmod], device 0: USB Audio [USB Audio]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 2: HDMI [HDA ATI HDMI], device 3: ATI HDMI [ATI HDMI]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ARECORD

**** List of CAPTURE Hardware Devices ****
card 0: NVidia [HDA NVidia], device 0: STAC92xx Analog [STAC92xx Analog]
  Subdevices: 3/3
  Subdevice #0: subdevice #0
  Subdevice #1: subdevice #1
  Subdevice #2: subdevice #2
card 1: Xmod [Creative Xmod], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

!!Amixer output
!!-------------

!!-------Mixer controls for card 0 [NVidia]

Card hw:0 'NVidia'/'HDA NVidia at 0xfe024000 irq 23'
  Mixer name : 'SigmaTel STAC9227'
  Components : 'HDA:83847618,102801ed,00100201'
  Controls : 31
  Simple ctrls : 21
Simple mixer control 'Master',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
  Playback channels: Mono
  Limits: Playback 0 - 64
  Mono: Playback 24 [38%] [-30.00dB] [on]
Simple mixer control 'Speaker',0
  Capabilities: pvolume pswitch penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 64
  Mono:
  Front Left: Playback 64 [100%] [0.00dB] [on]
  Front Right: Playback 64 [100%] [0.00dB] [on]
Simple mixer control 'Speaker',1
  Capabilities: pvolume pswitch penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 64
  Mono:
  Front Left: Playback 64 [100%] [0.00dB] [off]
  Front Right: Playback 64 [100%] [0.00dB] [off]
Simple mixer control 'Speaker',3
  Capabilities: pvolume pswitch penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 64
  Mono:
  Front Left: Playback 64 [100%] [0.00dB] [off]
  Front Right: Playback 64 [100%] [0.00dB] [off]
Simple mixer control 'PCM',0
  Capabilities: pvolume penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 252 [99%] [0.60dB]
  Front Right: Playback 252 [99%] [0.60dB]
Simple mixer control 'Front Mic Jack Mode',0
  Capabilities: enum
  Items: 'Mic In' 'Line In'
  Item0: 'Mic In'
Simple mixer control 'Center',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
  Playback channels: Mono
  Limits: Playback 0 - 64
  Mono: Playback 64 [100%] [0.00dB] [on]
Simple mixer control 'LFE',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
  Playback channels: Mono
  Limits: Playback 0 - 64
  Mono: Playback 64 [100%] [0.00dB] [on]
Simple mixer control 'Mic Jack Mode',0
  Capabilities: enum
  Items: 'Mic In' 'Line In'
  Item0: 'Mic In'
Simple mixer control 'IEC958 Playback Source',0
  Capabilities: enum
  Items: 'Digital Playback' 'ADAT' 'Analog Mux 1' 'Analog Mux 2' 'Analog Mux 3'
  Item0: 'Digital Playback'
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch penum
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 14
  Front Left: Capture 0 [0%] [0.00dB] [on]
  Front Right: Capture 0 [0%] [0.00dB] [on]
Simple mixer control 'Capture',1
  Capabilities: cvolume cswitch penum
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 14
  Front Left: Capture 0 [0%] [0.00dB] [off]
  Front Right: Capture 0 [0%] [0.00dB] [off]
Simple mixer control 'Capture',2
  Capabilities: cvolume cswitch penum
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 14
  Front Left: Capture 0 [0%] [0.00dB] [off]
  Front Right: Capture 0 [0%] [0.00dB] [off]
Simple mixer control 'Input Source',0
  Capabilities: cenum
  Items: 'Mic' 'Front Mic' 'Line'
  Item0: 'Mic'
Simple mixer control 'Input Source',1
  Capabilities: cenum
  Items: 'Mic' 'Front Mic' 'Line'
  Item0: 'Mic'
Simple mixer control 'Input Source',2
  Capabilities: cenum
  Items: 'Mic' 'Front Mic' 'Line'
  Item0: 'Mic'
Simple mixer control 'Mux',0
  Capabilities: cvolume penum
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 4
  Front Left: Capture 0 [0%] [0.00dB]
  Front Right: Capture 0 [0%] [0.00dB]
Simple mixer control 'Mux',1
  Capabilities: cvolume penum
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 4
  Front Left: Capture 0 [0%] [0.00dB]
  Front Right: Capture 0 [0%] [0.00dB]
Simple mixer control 'Mux',2
  Capabilities: cvolume penum
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 4
  Front Left: Capture 0 [0%] [0.00dB]
  Front Right: Capture 0 [0%] [0.00dB]
Simple mixer control 'PC Beep',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
  Playback channels: Mono
  Limits: Playback 0 - 3
  Mono: Playback 0 [0%] [-18.00dB] [off]
Simple mixer control 'Swap Center/LFE',0
  Capabilities: pswitch pswitch-joined penum
  Playback channels: Mono
  Mono: Playback [off]

!!-------Mixer controls for card 1 [Xmod]

Card hw:1 'Xmod'/'Creative Technology Ltd Creative Xmod at usb-0000:00:0b.0-6, full speed'
  Mixer name : 'USB Mixer'
  Components : 'USB041e:30d0'
  Controls : 7
  Simple ctrls : 6
Simple mixer control 'PCM',0
  Capabilities: pvolume pswitch pswitch-joined penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 48
  Mono:
  Front Left: Playback 6 [12%] [0.00dB] [on]
  Front Right: Playback 6 [12%] [0.00dB] [on]
Simple mixer control 'PCM Capture Source',0
  Capabilities: enum
  Items: 'Line' 'Mic'
  Item0: 'Line'
Simple mixer control 'Line',0
  Capabilities: cvolume penum
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 48
  Front Left: Capture 0 [0%] [0.00dB]
  Front Right: Capture 0 [0%] [0.00dB]
Simple mixer control 'Mic',0
  Capabilities: cvolume penum
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 48
  Front Left: Capture 0 [0%] [0.00dB]
  Front Right: Capture 0 [0%] [0.00dB]
Simple mixer control 'Auto Gain Control',0
  Capabilities: pswitch pswitch-joined penum
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'Up Down',0
  Capabilities: pswitch pswitch-joined penum
  Playback channels: Mono
  Mono: Playback [off]

!!-------Mixer controls for card 2 [HDMI]

Card hw:2 'HDMI'/'HDA ATI HDMI at 0xfddfc000 irq 16'
  Mixer name : 'ATI R6xx HDMI'
  Components : 'HDA:1002aa01,00aa0100,00100000'
  Controls : 4
  Simple ctrls : 1
Simple mixer control 'IEC958',0
  Capabilities: pswitch pswitch-joined penum
  Playback channels: Mono
  Mono: Playback [off]

!!Alsactl output
!!-------------

--startcollapse--
state.NVidia {
 control.1 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 64'
  comment.dbmin -4800
  comment.dbmax 0
  iface MIXER
  name 'Speaker Playback Volume'
  value.0 64
  value.1 64
 }
 control.2 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 2
  iface MIXER
  name 'Speaker Playback Switch'
  value.0 true
  value.1 true
 }
 control.3 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 64'
  comment.dbmin -4800
  comment.dbmax 0
  iface MIXER
  name 'Speaker Playback Volume'
  index 1
  value.0 64
  value.1 64
 }
 control.4 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 2
  iface MIXER
  name 'Speaker Playback Switch'
  index 1
  value.0 false
  value.1 false
 }
 control.5 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 1
  comment.range '0 - 64'
  comment.dbmin -4800
  comment.dbmax 0
  iface MIXER
  name 'Center Playback Volume'
  value 64
 }
 control.6 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 1
  iface MIXER
  name 'Center Playback Switch'
  value true
 }
 control.7 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 1
  comment.range '0 - 64'
  comment.dbmin -4800
  comment.dbmax 0
  iface MIXER
  name 'LFE Playback Volume'
  value 64
 }
 control.8 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 1
  iface MIXER
  name 'LFE Playback Switch'
  value true
 }
 control.9 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 1
  iface MIXER
  name 'Swap Center/LFE Playback Switch'
  value false
 }
 control.10 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 64'
  comment.dbmin -4800
  comment.dbmax 0
  iface MIXER
  name 'Speaker Playback Volume'
  index 3
  value.0 64
  value.1 64
 }
 control.11 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 2
  iface MIXER
  name 'Speaker Playback Switch'
  index 3
  value.0 false
  value.1 false
 }
 control.12 {
  comment.access 'read write'
  comment.type ENUMERATED
  comment.count 1
  comment.item.0 'Mic In'
  comment.item.1 'Line In'
  iface MIXER
  name 'Mic Jack Mode'
  value 'Mic In'
 }
 control.13 {
  comment.access 'read write'
  comment.type ENUMERATED
  comment.count 1
  comment.item.0 'Mic In'
  comment.item.1 'Line In'
  iface MIXER
  name 'Front Mic Jack Mode'
  value 'Mic In'
 }
 control.14 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 1
  comment.range '0 - 3'
  comment.dbmin -1800
  comment.dbmax 0
  iface MIXER
  name 'PC Beep Playback Volume'
  value 0
 }
 control.15 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 1
  iface MIXER
  name 'PC Beep Playback Switch'
  value false
 }
 control.16 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 14'
  comment.dbmin 0
  comment.dbmax 2100
  iface MIXER
  name 'Capture Volume'
  value.0 0
  value.1 0
 }
 control.17 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 2
  iface MIXER
  name 'Capture Switch'
  value.0 true
  value.1 true
 }
 control.18 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 14'
  comment.dbmin 0
  comment.dbmax 2100
  iface MIXER
  name 'Capture Volume'
  index 1
  value.0 0
  value.1 0
 }
 control.19 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 2
  iface MIXER
  name 'Capture Switch'
  index 1
  value.0 false
  value.1 false
 }
 control.20 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 14'
  comment.dbmin 0
  comment.dbmax 2100
  iface MIXER
  name 'Capture Volume'
  index 2
  value.0 0
  value.1 0
 }
 control.21 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 2
  iface MIXER
  name 'Capture Switch'
  index 2
  value.0 false
  value.1 false
 }
 control.22 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 4'
  comment.dbmin 0
  comment.dbmax 4000
  iface MIXER
  name 'Mux Capture Volume'
  value.0 0
  value.1 0
 }
 control.23 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 4'
  comment.dbmin 0
  comment.dbmax 4000
  iface MIXER
  name 'Mux Capture Volume'
  index 1
  value.0 0
  value.1 0
 }
 control.24 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 4'
  comment.dbmin 0
  comment.dbmax 4000
  iface MIXER
  name 'Mux Capture Volume'
  index 2
  value.0 0
  value.1 0
 }
 control.25 {
  comment.access 'read write'
  comment.type ENUMERATED
  comment.count 1
  comment.item.0 Mic
  comment.item.1 'Front Mic'
  comment.item.2 Line
  iface MIXER
  name 'Input Source'
  value Mic
 }
 control.26 {
  comment.access 'read write'
  comment.type ENUMERATED
  comment.count 1
  comment.item.0 Mic
  comment.item.1 'Front Mic'
  comment.item.2 Line
  iface MIXER
  name 'Input Source'
  index 1
  value Mic
 }
 control.27 {
  comment.access 'read write'
  comment.type ENUMERATED
  comment.count 1
  comment.item.0 Mic
  comment.item.1 'Front Mic'
  comment.item.2 Line
  iface MIXER
  name 'Input Source'
  index 2
  value Mic
 }
 control.28 {
  comment.access 'read write'
  comment.type ENUMERATED
  comment.count 1
  comment.item.0 'Digital Playback'
  comment.item.1 ADAT
  comment.item.2 'Analog Mux 1'
  comment.item.3 'Analog Mux 2'
  comment.item.4 'Analog Mux 3'
  iface MIXER
  name 'IEC958 Playback Source'
  value 'Digital Playback'
 }
 control.29 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 1
  comment.range '0 - 64'
  comment.dbmin -4800
  comment.dbmax 0
  iface MIXER
  name 'Master Playback Volume'
  value 24
 }
 control.30 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 1
  iface MIXER
  name 'Master Playback Switch'
  value true
 }
 control.31 {
  comment.access 'read write user'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 255'
  comment.tlv '0000000100000008ffffec1400000014'
  comment.dbmin -5100
  comment.dbmax 0
  iface MIXER
  name 'PCM Playback Volume'
  value.0 252
  value.1 252
 }
}
state.Xmod {
 control.1 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 1
  iface MIXER
  name 'Up Down Switch'
  value false
 }
 control.2 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 1
  iface MIXER
  name 'PCM Playback Switch'
  value true
 }
 control.3 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 48'
  comment.dbmin 0
  comment.dbmax 0
  iface MIXER
  name 'PCM Playback Volume'
  value.0 6
  value.1 6
 }
 control.4 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 48'
  comment.dbmin 0
  comment.dbmax 600
  iface MIXER
  name 'Line Capture Volume'
  value.0 0
  value.1 0
 }
 control.5 {
  comment.access 'read write'
  comment.type INTEGER
  comment.count 2
  comment.range '0 - 48'
  comment.dbmin 0
  comment.dbmax 600
  iface MIXER
  name 'Mic Capture Volume'
  value.0 0
  value.1 0
 }
 control.6 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 1
  iface MIXER
  name 'Auto Gain Control'
  value false
 }
 control.7 {
  comment.access 'read write'
  comment.type ENUMERATED
  comment.count 1
  comment.item.0 Line
  comment.item.1 Mic
  iface MIXER
  name 'PCM Capture Source'
  value Line
 }
}
state.HDMI {
 control.1 {
  comment.access read
  comment.type IEC958
  comment.count 1
  iface MIXER
  name 'IEC958 Playback Con Mask'
  value '0fff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
 }
 control.2 {
  comment.access read
  comment.type IEC958
  comment.count 1
  iface MIXER
  name 'IEC958 Playback Pro Mask'
  value '0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
 }
 control.3 {
  comment.access 'read write'
  comment.type IEC958
  comment.count 1
  iface MIXER
  name 'IEC958 Playback Default'
  value '0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
 }
 control.4 {
  comment.access 'read write'
  comment.type BOOLEAN
  comment.count 1
  iface MIXER
  name 'IEC958 Playback Switch'
  value false
 }
}
--endcollapse--

!!All Loaded Modules
!!------------------

Module
nfs
lockd
nfs_acl
auth_rpcgss
sunrpc
binfmt_misc
ppdev
snd_hda_codec_atihdmi
snd_hda_codec_idt
fbcon
tileblit
font
bitblit
softcursor
vga16fb
vgastate
arc4
snd_pcm_oss
radeon
snd_usb_audio
snd_hda_intel
snd_usb_lib
snd_mixer_oss
snd_hda_codec
snd_seq_dummy
snd_pcm
snd_hwdep
ttm
snd_seq_oss
ath5k
drm_kms_helper
snd_seq_midi
mac80211
psmouse
drm
snd_rawmidi
k8temp
i2c_algo_bit
i2c_nforce2
ath
snd_seq_midi_event
snd_seq
snd_timer
snd_seq_device
snd
soundcore
edac_core
snd_page_alloc
serio_raw
cfg80211
led_class
dell_wmi
edac_mce_amd
dcdbas
lp
parport
usbhid
hid
usb_storage
b44
ssb
mii
sata_nv

!!Sysfs Files
!!-----------

/sys/class/sound/hwC0D0/init_pin_configs:
0x0a 0x0221101f
0x0b 0x02a11020
0x0c 0x01a19021
0x0d 0x01014010
0x0e 0x01011012
0x0f 0x01016011
0x10 0x0181302e
0x11 0x01012014
0x12 0x40f000f1
0x21 0x40f000f2
0x22 0x40f000f0

/sys/class/sound/hwC0D0/driver_pin_configs:
0x0a 0x02211230
0x0b 0x02a11220
0x0c 0x01a19040
0x0d 0x01114210
0x0e 0x01111212
0x0f 0x01116211
0x10 0x01813050
0x11 0x01112214
0x12 0x403003fa
0x13 0x90a60040
0x14 0x90a60040
0x21 0x404003fb
0x22 0x40c003fc
0x23 0x40000100

/sys/class/sound/hwC0D0/user_pin_configs:

/sys/class/sound/hwC0D0/init_verbs:

/sys/class/sound/hwC2D0/init_pin_configs:
0x03 0x18560010

/sys/class/sound/hwC2D0/driver_pin_configs:

/sys/class/sound/hwC2D0/user_pin_configs:

/sys/class/sound/hwC2D0/init_verbs:

!!ALSA/HDA dmesg
!!------------------

[ 6.319826] ACPI: PCI Interrupt Link [AAZA] enabled at IRQ 23
[ 6.319829] HDA Intel 0000:00:10.1: PCI INT B -> Link[AAZA] -> GSI 23 (level, low) -> IRQ 23
[ 6.319832] hda_intel: Disable MSI for Nvidia chipset
[ 6.319845] HDA Intel 0000:00:10.1: setting latency timer to 64
[ 6.320150] ACPI: PCI Interrupt Link [APC5] enabled at IRQ 16
--
[ 7.664898] Console: switching to colour frame buffer device 160x64
[ 8.240078] input: HDA Digital PCBeep as /devices/pci0000:00/0000:00:10.1/input/input6
[ 8.662490] type=1505 audit(1274078538.602:5): operation="profile_load" pid=1001 name="/usr/share/gdm/guest-session/Xsession"
--
[ 8.946269] type=1505 audit(1274078538.882:11): operation="profile_load" pid=1003 name="/usr/bin/evince-thumbnailer"
[ 9.100170] input: HDA NVidia Line In at Ext Rear Jack as /devices/pci0000:00/0000:00:10.1/sound/card0/input7
[ 9.100249] input: HDA NVidia Mic at Ext Front Jack as /devices/pci0000:00/0000:00:10.1/sound/card0/input8
[ 9.100299] input: HDA NVidia Mic at Ext Rear Jack as /devices/pci0000:00/0000:00:10.1/sound/card0/input9
[ 9.100357] input: HDA NVidia Speaker at Ext Rear Jack as /devices/pci0000:00/0000:00:10.1/sound/card0/input10
[ 9.100408] input: HDA NVidia Speaker at Ext Rear Jack as /devices/pci0000:00/0000:00:10.1/sound/card0/input11
[ 9.100463] input: HDA NVidia Speaker at Ext Rear Jack as /devices/pci0000:00/0000:00:10.1/sound/card0/input12
[ 9.100517] input: HDA NVidia Speaker at Ext Rear Jack as /devices/pci0000:00/0000:00:10.1/sound/card0/input13
[ 9.100569] input: HDA NVidia HP Out at Ext Front Jack as /devices/pci0000:00/0000:00:10.1/sound/card0/input14
[ 9.160506] ACPI: PCI Interrupt Link [APC6] enabled at IRQ 16
[ 9.160513] HDA Intel 0000:03:00.1: PCI INT B -> Link[APC6] -> GSI 16 (level, low) -> IRQ 16
[ 9.160540] HDA Intel 0000:03:00.1: setting latency timer to 64
[ 9.937088] type=1505 audit(1274078539.879:12): operation="profile_load" pid=1008 name="/usr/lib/cups/backend/cups-pdf"
--
[ 13.013059] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 17.255125] hda-intel: IRQ timing workaround is activated for card #2. Suggest a bigger bdl_pos_adj.
[ 17.678631] RPC: Registered udp transport module.

Revision history for this message
Sam_ (and-sam) said : 		#4

> Driver version: 1.0.21
> Library version: 1.0.22
> Utilities version: 1.0.22

Lib and driver version differ. I'd say upgrade Alsa as suggested by troubleshooting page.

Since I'm not an expert, I assume you need to disable either one of recognized soundcards, e.g. using only the one onboard.
!!Soundcards recognised by ALSA
!!-----------------------------

 0 [NVidia ]: HDA-Intel - HDA NVidia
                      HDA NVidia at 0xfe024000 irq 23
 1 [Xmod ]: USB-Audio - Creative Xmod
                      Creative Technology Ltd Creative Xmod at usb-0000:00:0b.0-6, full speed
 2 [HDMI ]: HDA-Intel - HDA ATI HDMI
                      HDA ATI HDMI at 0xfddfc000 irq 16

Revision history for this message
Laurent Raufaste (analogue) said : 		#5

You are right, but I have the stock 10.04 kernel and the updated 10.04 alsa packages.

I'll try disabling the unused cards

Revision history for this message
Laurent Raufaste (analogue) said : 		#6

Disabling the others soundcards didn't fix the the cracklings =(

Revision history for this message
Sam_ (and-sam) said : 		#7

Do you still have this driver:
> Driver version: 1.0.21

or this one:
http://monespaceperso.org/blog-en/2010/05/02/upgrade-alsa-1-0-23-on-ubuntu-lucid-lynx-10-04/

You may also try to add module options, which can be found in section '!!All Loaded Modules' from Alsa output above.
https://help.ubuntu.com/community/SoundTroubleshootingProcedure#Other%20Useful%20Information%20for%20the%20Launchpad%20Answers%20Team

Revision history for this message
Laurent Raufaste (analogue) said : 		#8

This is not an ALSA problem. I just removed pulseaudio from my system and the sound is finally normal.

But it's a hack, there should be an easy way for all of us owning ok sound cards with hardware mixing to disable pulseaudio.

Can you help with this problem?

Provide an answer of your own, or ask Laurent Raufaste for more information if necessary.

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