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

[Harold Heater]

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

[Raymond (superquad-vortex2)]

ar 1 10:05:42 echo-CX2618 pulseaudio[1622]: ( 13.231| 0.000) [alsa-sink] alsa-sink.c: in dB: 0: -129.51 dB 1: -129.51 dB
Mar 1 10:05:42 echo-CX2618 pulseaudio[1622]: ( 13.231| 0.000) [alsa-sink] alsa-sink.c: Got hardware volume: 0: 1% 1: 1%
Mar 1 10:05:42 echo-CX2618 pulseaudio[1622]: ( 13.231| 0.000) [alsa-sink] alsa-sink.c: in dB: 0: -129.00 dB 1: -129.00 dB

seem bug in pulseaudio in dB range since

master -45.6dB to 0dB
headphone -45.6dB to 0dB
pcm -34.5dB to +12dB

HEADPHONES PATH = PCM + headphone
speaker path = PCM + master

both paths are less than 100dB

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[TinBay (joybeefly)]

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

[TinBay (joybeefly)]

I have crickling and skipping sound playing music with Pulseaudio enabled, with Alsa seems not skipping.

[Daniel van Vugt (vanvugt)]

Harold,

Thank you for reporting this bug to Ubuntu.
Ubuntu 12.10 (quantal) reached end-of-life on May 16, 2014.

See this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases

We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test.

[Launchpad Janitor (janitor)]

[Expired for pulseaudio (Ubuntu) because there has been no activity for 60 days.]

[Launchpad Janitor (janitor)]

[Expired for alsa-driver (Ubuntu) because there has been no activity for 60 days.]