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[Bug 1137997] Re: [ICH4 - Intel ICH6, playback] Underruns, dropouts or crackling sound

 

ubuntu@ubuntu-desktop:~$ lspci  |grep -i audio
00:1f.5 Multimedia audio controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) AC'97 Audio Controller (rev 02)
ubuntu@ubuntu-desktop:~$ cat /proc/asound/cards 
 0 [ICH5           ]: ICH4 - Intel ICH5
                      Intel ICH5 with ALC655 at irq 17
 1 [UART           ]: MPU-401 UART - MPU-401 UART
                      MPU-401 UART at 0x330, irq 10
ubuntu@ubuntu-desktop:~$ alsactl -v
alsactl version 1.0.27.2
ubuntu@ubuntu-desktop:~$ cat /proc/asound/version
Advanced Linux Sound Architecture Driver Version k3.13.0-32-generic.
ubuntu@ubuntu-desktop:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: ICH5 [Intel ICH5], device 0: Intel ICH [Intel ICH5]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: ICH5 [Intel ICH5], device 4: Intel ICH - IEC958 [Intel ICH5 - IEC958]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
ubuntu@ubuntu-desktop:~$ sudo lshw -C sound
[sudo] password for ubuntu: 
Sorry, try again.
[sudo] password for ubuntu: 
PCI (sysfs)  
  *-multimedia            
       description: Multimedia audio controller
       product: 82801EB/ER (ICH5/ICH5R) AC'97 Audio Controller
       vendor: Intel Corporation
       physical id: 1f.5
       bus info: pci@0000:00:1f.5
       version: 02
       width: 32 bits
       clock: 33MHz
       capabilities: pm bus_master cap_list
       configuration: driver=snd_intel8x0 latency=0
       resources: irq:17 ioport:e500(size=256) ioport:e600(size=64) memory:fb101000-fb1011ff memory:fb102000-fb1020ff
ubuntu@ubuntu-desktop:~$ 
ubuntu@ubuntu-desktop:~$ lsmod | grep -i snd
snd_wavefront          38120  0 
snd_cs4236             29167  0 
snd_opl3_lib           18651  2 snd_wavefront,snd_cs4236
snd_hwdep              13272  2 snd_wavefront,snd_opl3_lib
snd_wss_lib            29835  2 snd_wavefront,snd_cs4236
snd_mpu401             13724  0 
snd_mpu401_uart        13865  3 snd_wavefront,snd_cs4236,snd_mpu401
snd_seq_midi           13132  0 
snd_seq_midi_event     14475  1 snd_seq_midi
snd_intel8x0           33110  3 
snd_rawmidi            25135  3 snd_wavefront,snd_mpu401_uart,snd_seq_midi
snd_ac97_codec        105709  1 snd_intel8x0
ac97_bus               12642  1 snd_ac97_codec
snd_seq                55383  2 snd_seq_midi_event,snd_seq_midi
snd_pcm                85501  4 snd_ac97_codec,snd_intel8x0,snd_wss_lib,snd_cs4236
snd_seq_device         14137  4 snd_seq,snd_rawmidi,snd_opl3_lib,snd_seq_midi
snd_page_alloc         14230  3 snd_intel8x0,snd_wss_lib,snd_pcm
snd_timer              28584  4 snd_wss_lib,snd_pcm,snd_seq,snd_opl3_lib
snd                    60871  21 snd_ac97_codec,snd_intel8x0,snd_hwdep,snd_timer,snd_wss_lib,snd_pcm,snd_seq,snd_rawmidi,snd_wavefront,snd_mpu401_uart,snd_seq_device,snd_cs4236,snd_opl3_lib,snd_seq_midi,snd_mpu401
soundcore              12600  1 snd

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https://bugs.launchpad.net/bugs/1137997

Title:
  [ICH4 - Intel ICH6, playback] Underruns, dropouts or crackling sound

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

Bug description:
  Sound starts out normal the cracks and breaks up

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: alsa-base 1.0.25+dfsg-0ubuntu3
  ProcVersionSignature: Ubuntu 3.5.0-23.35-generic 3.5.7.2
  Uname: Linux 3.5.0-23-generic i686
  ApportVersion: 2.6.1-0ubuntu10
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  echo       1622 F.... pulseaudio
  Date: Fri Mar  1 10:04:38 2013
  InstallationDate: Installed on 2012-12-28 (62 days ago)
  InstallationMedia:
   
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:ICH6 successful
  Symptom_Card: Built-in Audio - Intel ICH6
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or "crackling" sound
  Title: [ICH4 - Intel ICH6, playback] Underruns, dropouts or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/19/2005
  dmi.bios.vendor: Gateway
  dmi.bios.version: 62.04
  dmi.board.vendor: Gateway
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 8
  dmi.chassis.vendor: Gateway
  dmi.chassis.version: Rev.1
  dmi.modalias: dmi:bvnGateway:bvr62.04:bd10/19/2005:svnGateway:pnCX2618:pvr3402235:rvnGateway:rn:rvr:cvnGateway:ct8:cvrRev.1:
  dmi.product.name: CX2618
  dmi.product.version: 3402235
  dmi.sys.vendor: Gateway

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