Public bug reported:
Binary package hint: pulseaudio
I've used 8.04 for over two years on my HP5050EO laptop without any
hardware issues. I recently made a clean installation of Ubuntu 9.10 and
now I sometimes hear a snapping noise that annoys me.
The appearance of the snapping noise is somewhat random, but I can reproduce
the issue at least with the following technique:
1. boot computer and log in
2. insert headphones in the audio out jack
3. a snapping noise is heard from the main speakers about every 10 seconds
4. after removing the headphones the snapping noise is gone
At all times sound works normally and everything I play sounds ok. There
is just an extra snapping noise, just like the one heard at boot when
the sound card and speakers are initialized.
After reading the bug report #301755 I tried running the command "start-
pulseaudio-x11" and it seems to fix the issue until next reboot.
My hardware specs:
P: /devices/pci0000:00/0000:00:1b.0/sound/card0
E: UDEV_LOG=3
E: DEVPATH=/devices/pci0000:00/0000:00:1b.0/sound/card0
E: SUBSYSTEM=sound
E: SOUND_INITIALIZED=1
E: ID_VENDOR_FROM_DATABASE=Intel Corporation
E: ID_MODEL_FROM_DATABASE=82801G (ICH7 Family) High Definition Audio Controller
E: ID_BUS=pci
E: ID_VENDOR_ID=0x8086
E: ID_MODEL_ID=0x27d8
E: ID_PATH=pci-0000:00:1b.0
E: SOUND_FORM_FACTOR=internal
Codec: Conexant CX20549 (Venice)
Address: 0
Function Id: 0x2
Vendor Id: 0x14f15045
Subsystem Id: 0x103c30a5
Revision Id: 0x100100
Modem Function Group: 0x2
Default PCM:
rates [0x140]: 48000 96000
bits [0xe]: 16 20 24
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 0x10 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
Amp-Out caps: ofs=0x2b, nsteps=0x2b, stepsize=0x05, mute=1
Amp-Out vals: [0xa7 0xa7] [0x00 0x00]
Pincap 0x00010014: OUT EAPD Detect
EAPD 0x2: EAPD
Pin Default 0x94170110: [Fixed] Speaker at Int Right
Conn = Analog, Color = Unknown
DefAssociation = 0x1, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x40: OUT
Unsolicited: tag=00, enabled=0
Power: setting=D0, actual=D0
Connection: 2
0x19 0x17*
Node 0x11 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
Amp-Out caps: ofs=0x2b, nsteps=0x2b, stepsize=0x05, mute=1
Amp-Out vals: [0x27 0x27] [0x00 0x00]
Pincap 0x0000113c: IN OUT HP Detect
Vref caps: HIZ 80
Pin Default 0x0421101f: [Jack] HP Out at Ext Right
Conn = 1/8, Color = Black
DefAssociation = 0x1, Sequence = 0xf
Pin-ctls: 0xc0: OUT HP VREF_HIZ
Unsolicited: tag=37, enabled=1
Power: setting=D0, actual=D0
Connection: 2
0x19 0x17*
Node 0x12 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
Amp-Out caps: ofs=0x2b, nsteps=0x2b, stepsize=0x05, mute=1
Amp-Out vals: [0xab 0xab] [0x00 0x00]
Pincap 0x0000113c: IN OUT HP Detect
Vref caps: HIZ 80
Pin Default 0x400001f0: [N/A] Line Out at Ext N/A
Conn = Unknown, Color = Unknown
DefAssociation = 0xf, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x24: IN VREF_80
Unsolicited: tag=00, enabled=0
Power: setting=D0, actual=D0
Connection: 2
0x19* 0x17
Node 0x13 [Pin Complex] wcaps 0x400301: Stereo Digital
Pincap 0x00000010: OUT
Pin Default 0x22451130: [Jack] SPDIF Out at Sep Front
Conn = Optical, Color = Black
DefAssociation = 0x3, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x40: OUT
Connection: 1
0x18
Node 0x14 [Pin Complex] wcaps 0x400081: Stereo
Pincap 0x00001124: IN Detect
Vref caps: HIZ 80
Pin Default 0x04a11020: [Jack] Mic at Ext Right
Conn = 1/8, Color = Black
DefAssociation = 0x2, Sequence = 0x0
Pin-ctls: 0x24: IN VREF_80
Unsolicited: tag=00, enabled=0
Node 0x15 [Pin Complex] wcaps 0x400001: Stereo
Pincap 0x00000020: IN
Pin Default 0x400001f0: [N/A] Line Out at Ext N/A
Conn = Unknown, Color = Unknown
DefAssociation = 0xf, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x00:
Node 0x16 [Beep Generator Widget] wcaps 0x70000c: Mono Amp-Out
Amp-Out caps: ofs=0x07, nsteps=0x07, stepsize=0x0b, mute=1
Amp-Out vals: [0x06]
Node 0x17 [Audio Mixer] wcaps 0x20050b: Stereo Amp-In
Amp-In caps: ofs=0x14, nsteps=0x2b, stepsize=0x05, mute=1
Amp-In vals: [0x14 0x14] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80]
Power: setting=D0, actual=D0
Connection: 5
0x19 0x14 0x12 0x11 0x15
Node 0x18 [Audio Output] wcaps 0x211: Stereo Digital
Converter: stream=0, channel=0
Digital:
Digital category: 0x0
PCM:
rates [0x40]: 48000
bits [0x6]: 16 20
formats [0x5]: PCM AC3
Node 0x19 [Audio Output] wcaps 0xc11: Stereo R/L
Converter: stream=0, channel=0
PCM:
rates [0x540]: 48000 96000 192000
bits [0xe]: 16 20 24
formats [0x1]: PCM
Power: setting=D0, actual=D0
Node 0x1a [Audio Input] wcaps 0x100d0b: Stereo Amp-In R/L
Amp-In caps: ofs=0x00, nsteps=0x17, stepsize=0x05, mute=1
Amp-In vals: [0x17 0x17] [0x00 0x00] [0x00 0x00] [0x00 0x00] [0x00 0x00]
Converter: stream=0, channel=0
SDI-Select: 0
Power: setting=D0, actual=D0
Connection: 5
0x17 0x14* 0x12 0x11 0x15
Node 0x1b [Vendor Defined Widget] wcaps 0xf00000: Mono
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
--
[regression] sound snaps about every 10 seconds when headphones are inserted
https://bugs.launchpad.net/bugs/505425
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