Public bug reported:
This lenovo's sound worked fine under Ubuntu 12.04 LTS 32 bit, but
upgrading to 14.04 LTS 64 I have no sound and it doesn't even detect the
sound setup at all (in dmesg). Looks like I'll have to setup to run
12.04 LTS again to find out what type it should have. This is much like
my older system where 10.04 LTS sound worked and 12.08 LTS didn't, later
the graphics started failing on that and now both graphics and sound
rarely work (it's realtek/nvidia).
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
Uname: Linux 3.10.35-std420-amd64 x86_64
NonfreeKernelModules: raid10 raid456 async_raid6_recov async_pq async_xor
async_memcpy async_tx raid1 raid0 multipath linear ses enclosure i915
usb_storage drm_kms_helper drm r8169 mii i2c_algo_bit i2c_core video
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Jun 14 20:38:10 2014
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Title: PCI/internal sound card not detected
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/18/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: ESKT23A
dmi.board.name: MAHOBAY
dmi.board.vendor: LENOVO
dmi.board.version: Win8 STD MM DPK IPG
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnLENOVO:bvrESKT23A:bd02/18/2013:svnLENOVO:pn10093:pvrLenovoH520S:rvnLENOVO:rnMAHOBAY:rvrWin8STDMMDPKIPG:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: 10093
dmi.product.version: Lenovo H520S
dmi.sys.vendor: LENOVO
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
** Attachment added: "pulseverbose.log"
https://bugs.launchpad.net/bugs/1330145/+attachment/4131692/+files/pulseverbose.log
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https://bugs.launchpad.net/bugs/1330145
Title:
PCI/internal sound card not detected
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