seem jack detection problem
Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.123| 0.019) [pulseaudio] module-alsa-card.c: Jack 'Front Mic Jack' is now plugged in Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.123| 0.000) [pulseaudio] device-port.c: Setting port analog-input-microphone-front to status yes Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.123| 0.000) [pulseaudio] module-switch-on-port-available.c: finding port analog-input-microphone-front Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.123| 0.000) [alsa-source] alsa-mixer.c: Activating path analog-input-microphone-front Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.123| 0.000) [alsa-source] alsa-mixer.c: Path analog-input-microphone-front (Front Microphone), direction=2, priority=85, probed=yes, supported=yes, has_mute=yes, has_volume=yes, has_dB=yes, min_volume=0, max_volume=3, min_dB=-13.5, max_dB=63 Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.123| 0.000) [alsa-source] alsa-mixer.c: Element Front Mic Boost, direction=2, switch=0, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=4, required_absent=0, mask=0x3600000000f66, n_channels=2, override_map=yes Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.123| 0.000) [alsa-source] alsa-mixer.c: Element Capture, direction=2, switch=1, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x3600000000f66, n_channels=2, override_map=yes Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.123| 0.000) [alsa-source] alsa-mixer.c: Element Input Source, direction=2, switch=0, volume=0, volume_limit=-1, enumeration=1, required=0, required_any=0, required_absent=0, mask=0x0, n_channels=0, override_map=no Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.123| 0.000) [alsa-source] alsa-mixer.c: Option Front Mic (analog-input-microphone-front/analog-input-microphone-front) index=1, priority=0 Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.123| 0.000) [alsa-source] alsa-mixer.c: Element Rear Mic Boost, direction=2, switch=0, volume=2, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x6, n_channels=2, override_map=no Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.123| 0.000) [alsa-source] alsa-mixer.c: Jack Front Mic, alsa_name='Front Mic Jack', detection possible Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.123| 0.000) [alsa-source] alsa-mixer.c: Setting analog-input-microphone-front (analog-input-microphone-front) priority=0 Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.123| 0.000) [alsa-source] alsa-source.c: Successfully enabled synchronous volume. Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.123| 0.000) [alsa-source] alsa-source.c: Hardware volume ranges from -13.50 dB to 63.00 dB. Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.123| 0.000) [alsa-source] alsa-source.c: Fixing base volume to -63.00 dB Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.123| 0.000) [alsa-source] alsa-source.c: Using hardware volume control. Hardware dB scale supported. Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.124| 0.000) [alsa-source] alsa-source.c: Using hardware mute control. Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.124| 0.000) [pulseaudio] source.c: Changed port of source 1 "alsa_input.pci-0000_00_1b.0.analog-stereo" to analog-input-microphone-front Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.124| 0.000) [alsa-source] alsa-source.c: Read hardware volume: 0: 10% 1: 10% Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.124| 0.000) [alsa-source] alsa-source.c: in dB: 0: -60.00 dB 1: -60.00 dB Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.315| 0.190) [pulseaudio] module-alsa-card.c: Jack 'Front Mic Jack' is now unplugged Apr 30 22:16:51 popipo pulseaudio[1600]: ( 23.315| 0.000) [pulseaudio] device-port.c: Setting port analog-input-microphone-front to status -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/992051 Title: [945GCM-S2L, Realtek ALC662 rev1, Green Headphone Out, Front] Underruns, dropouts or crackling sound Status in “alsa-driver” package in Ubuntu: Confirmed Bug description: Have crackling sound ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: alsa-base 1.0.25+dfsg-0ubuntu1 ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14 Uname: Linux 3.2.0-24-generic i686 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu7 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: stepan 1600 F.... pulseaudio Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xd5200000 irq 44' Mixer name : 'Realtek ALC662 rev1' Components : 'HDA:10ec0662,1458a002,00100101' Controls : 39 Simple ctrls : 21 CurrentDmesg: [ 22.347941] postgres (1039): /proc/1039/oom_adj is deprecated, please use /proc/1039/oom_score_adj instead. [ 25.010487] init: plymouth-stop pre-start process (1488) terminated with status 1 [ 26.149231] hda-intel: IRQ timing workaround is activated for card #0. Suggest a bigger bdl_pos_adj. [ 31.840019] eth1: no IPv6 routers present [ 222.535076] process `skype' is using obsolete setsockopt SO_BSDCOMPAT Date: Mon Apr 30 22:15:17 2012 InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012) PackageArchitecture: all ProcEnviron: TERM=xterm PATH=(custom, user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed Symptom_Card: Built-in Audio - HDA Intel Symptom_Jack: Green Headphone Out, Front Symptom_Type: Underruns, dropouts, or "crackling" sound Title: [945GCM-S2L, Realtek ALC662 rev1, Green Headphone Out, Front] Underruns, dropouts or crackling sound UpgradeStatus: Upgraded to precise on 2012-04-26 (4 days ago) dmi.bios.date: 10/26/2007 dmi.bios.vendor: Award Software International, Inc. dmi.bios.version: F4 dmi.board.name: 945GCM-S2L dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF4:bd10/26/2007:svnGigabyteTechnologyCo.,Ltd.:pn945GCM-S2L:pvr:rvnGigabyteTechnologyCo.,Ltd.:rn945GCM-S2L:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr: dmi.product.name: 945GCM-S2L dmi.sys.vendor: Gigabyte Technology Co., Ltd. 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