https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/Documentation/sound/alsa /HD-Audio.txt
what you can try is just set probe mask if hda controller cannot probe hda codec report the bug at kernel is the only way if probe mask does not help if it previous work well but fail after upgrade, some of you need to perform git bisect to find out which patch is the cause of the bug -- 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/1301708 Title: PCI/internal sound card not detected[ 20.936039] hda-intel 0000:04:01.0: no codecs initialized Status in “alsa-driver” package in Ubuntu: Incomplete Bug description: onboard via VT8237A/VT8251 ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: alsa-base 1.0.25+dfsg-0ubuntu4 ProcVersionSignature: Ubuntu 3.11.0-18.32-generic 3.11.10.4 Uname: Linux 3.11.0-18-generic i686 ApportVersion: 2.12.5-0ubuntu2.2 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: matt 1822 F.... pulseaudio Date: Thu Apr 3 04:40:14 2014 InstallationDate: Installed on 2014-01-30 (62 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release i386 (20130424) MarkForUpload: True PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Title: PCI/internal sound card not detected UpgradeStatus: Upgraded to saucy on 2014-03-28 (5 days ago) dmi.bios.date: 11/09/2006 dmi.bios.vendor: Phoenix Technologies, LTD dmi.bios.version: 6.00 PG dmi.board.name: MS-7318 dmi.board.vendor: MICRO-STAR INTERNATIONAL CO., LTD dmi.chassis.type: 3 dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd11/09/2006:svnMEDIONPC:pnMS-7318:pvr:rvnMICRO-STARINTERNATIONALCO.,LTD:rnMS-7318:rvr:cvn:ct3:cvr: dmi.product.name: MS-7318 dmi.sys.vendor: MEDIONPC To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1301708/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

