Hi Christopher, please see my comment from 2010-05-04. Ever since, I found no more problems related to this issue, up until my current 13.04 install. Best regards, Daan Willems
-- 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/573378 Title: ALC892 not supported in 10.04 default kernel Status in “linux” package in Ubuntu: Incomplete Bug description: Binary package hint: linux-image-2.6.32-21-generic The default kernel installed with Ubuntu 10.04 has no full support for ALC892 Audio chip, available on for example the ASUS P7H55-M Pro motherboard. Instead, it reverts to a generic intel HD Audio chip, offering only stereo playback. In alsamixer, only a master, pcm and iec slider appear. Support for the ALC892 Intel G45 DEVIBX was added in 2.3.33. A mainline kernel from the kernel ppa (i.e. - linux-2.6.33-02063303-generic) successfully recognizes the chip and offers the full range of sliders in alsamixer, offering the intended 5.1/7.1 support. My suggestion is to backport the 2.6.33.x kernel module for ALC892 to the current 2.6.32 ubuntu kernel to add the correct support of this chip. #cat /proc/asound/card0/codec#* | grep Codec Codec: Realtek ID 892 Codec: Intel G45 DEVIBX ProblemType: Bug DistroRelease: Ubuntu 10.04 Package: linux-image-2.6.32-21-generic 2.6.32-21.32 Regression: No Reproducible: Yes ProcVersionSignature: Ubuntu 2.6.32-21.32-generic 2.6.32.11+drm33.2 Uname: Linux 2.6.32-21-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21. Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: Intel [HDA Intel], device 0: HDA Generic [HDA Generic] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: d3vlin 1677 F.... pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xfbdf4000 irq 22' Mixer name : 'Intel G45 DEVIBX' Components : 'HDA:10ec0892,10438436,00100302 HDA:80862804,80860101,00100000' Controls : 8 Simple ctrls : 4 Date: Sun May 2 01:41:44 2010 HibernationDevice: RESUME=UUID=1f43f3bb-945c-4686-b783-ee23bcc89d02 InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429) IwConfig: lo no wireless extensions. eth0 no wireless extensions. MachineType: System manufacturer System Product Name ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-21-generic root=UUID=f4add25a-22c0-436d-b60d-847acc2dc160 ro quiet splash ProcEnviron: LANG=en_US.utf8 SHELL=/bin/bash RelatedPackageVersions: linux-firmware 1.34 RfKill: SourcePackage: linux dmi.bios.date: 12/30/2009 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 0601 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: P7H55-M PRO dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: Rev 1.xx dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0601:bd12/30/2009:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP7H55-MPRO:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/573378/+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
