This issue appears to be an upstream bug, since you tested the latest upstream kernel. Would it be possible for you to open an upstream bug report[0]? That will allow the upstream Developers to examine the issue, and may provide a quicker resolution to the bug.
Please follow the instructions on the wiki page[0]. The first step is to email the appropriate mailing list. If no response is received, then a bug may be opened on bugzilla.kernel.org. Once this bug is reported upstream, please add the tag: 'kernel-bug- reported-upstream'. [0] https://wiki.ubuntu.com/Bugs/Upstream/kernel -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1375022 Title: [1005HA, Realtek ALC269, Speaker, Internal] Pulseaudio fails to detect card Status in “linux” package in Ubuntu: Confirmed Bug description: No sound ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: pulseaudio 1:4.0-0ubuntu20 ProcVersionSignature: Ubuntu 3.16.0-17.23-generic 3.16.3 Uname: Linux 3.16.0-17-generic i686 ApportVersion: 2.14.7-0ubuntu2 Architecture: i386 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/hwC0D0', '/dev/snd/controlC0', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CurrentDesktop: XFCE Date: Sun Sep 28 20:12:08 2014 InstallationDate: Installed on 2014-09-28 (0 days ago) InstallationMedia: Xubuntu 14.10 "Utopic Unicorn" - Alpha i386 (20140923) SourcePackage: pulseaudio Symptom: audio Symptom_Card: HDA-Intel - HDA Intel Symptom_Jack: Speaker, Internal Title: [1005HA, Realtek ALC269, Speaker, Internal] Pulseaudio fails to detect card UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/18/2011 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 1601 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: 1005HA dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: x.xx dmi.chassis.asset.tag: 0x00000000 dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK Computer INC. dmi.chassis.version: x.x dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1601:bd04/18/2011:svnASUSTeKComputerINC.:pn1005HA:pvrx.x:rvnASUSTeKComputerINC.:rn1005HA:rvrx.xx:cvnASUSTeKComputerINC.:ct10:cvrx.x: dmi.product.name: 1005HA dmi.product.version: x.x dmi.sys.vendor: ASUSTeK Computer INC. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1375022/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp