Audio not working (no sound at all) since 3.2.0-11

[Janne Uusitalo]

I'm running Ubuntu 12.04 on an FS Esprimo Mobile U9200 laptop that was completely muted by the kernel update from 3.2.0-10 to 3.2.0-11 last week. Using grub, I'm able to test between three installed kernel versions (3.2.0-10, -11 & -12), and pinpoint that audio works only on the earliest of those.

I've attached a screenshot of my System Settings > Sound > Output tab which displayed a "Built-in audio Analog Stereo" entry on 3.2.0-10 but now says "Dummy Output". I've also copied below the output of two commands mentioned on https://help.ubuntu.com/community/SoundTroubleshooting in case they are of any use.

janne@esprimo:~$ sudo aplay -l
[sudo] password for janne:
**** List of PLAYBACK Hardware Devices ****
janne@esprimo:~$

janne@esprimo:~$ lspci -v | grep -A7 -i "audio"
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03)
 Subsystem: Fujitsu Technology Solutions Device 110f
 Flags: bus master, fast devsel, latency 0, IRQ 47
 Memory at fc400000 (64-bit, non-prefetchable) [size=16K]
 Capabilities: <access denied>
 Kernel driver in use: snd_hda_intel
 Kernel modules: snd-hda-intel

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-12-generic 3.2.0-12.21
ProcVersionSignature: Ubuntu 3.2.0-12.21-generic 3.2.2
Uname: Linux 3.2.0-12-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices: **** List of PLAYBACK Hardware Devices ****
ApportVersion: 1.91-0ubuntu1
Architecture: amd64
ArecordDevices: **** List of CAPTURE Hardware Devices ****
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xfc400000 irq 47'
   Mixer name : 'Realtek ALC262'
   Components : 'HDA:10ec0262,17340000,00100202'
   Controls : 0
   Simple ctrls : 0
Card0.Amixer.values:

Date: Thu Feb 2 22:08:24 2012
HibernationDevice: RESUME=UUID=e25a9774-6e0f-4713-8af6-1b7097134d5e
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
MachineType: FUJITSU SIEMENS ESPRIMO Mobile U9200
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-12-generic root=UUID=581e3935-3397-4f0e-a558-5cfd1a8dbc36 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.2.0-12-generic N/A
 linux-backports-modules-3.2.0-12-generic N/A
 linux-firmware 1.68
RfKill:
 0: phy0: Wireless LAN
  Soft blocked: no
  Hard blocked: yes
SourcePackage: linux
UpgradeStatus: Upgraded to precise on 2011-12-25 (39 days ago)
dmi.bios.date: 02/27/2008
dmi.bios.vendor: Phoenix
dmi.bios.version: 1.10 - 065 - 1566
dmi.board.name: S11D
dmi.board.vendor: FUJITSU SIEMENS
dmi.board.version: 1.0
dmi.chassis.asset.tag: FSC
dmi.chassis.type: 10
dmi.chassis.vendor: FUJITSU SIEMENS
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnPhoenix:bvr1.10-065-1566:bd02/27/2008:svnFUJITSUSIEMENS:pnESPRIMOMobileU9200:pvr1.0:rvnFUJITSUSIEMENS:rnS11D:rvr1.0:cvnFUJITSUSIEMENS:ct10:cvr1.0:
dmi.product.name: ESPRIMO Mobile U9200
dmi.product.version: 1.0
dmi.sys.vendor: FUJITSU SIEMENS

[David Henningsson (diwic)]

Hi Janne and thanks for trying out the development version of Ubuntu!

I believe this bug is very similar to bug 923409, and is fixed by the same patch. So it should work again in 3.2.0-13, which is currently being built.

Can you verify whether it works or not with kernel 3.2.0-13? Thanks!

[Janne Uusitalo (janne-uusitalo-gmail)]

Thanks, David, for your quick response. This bug is no longer present on 3.2.0-14.

It was probably gone by 3.2.0-13 as you suggested, but for some reason Synaptic never got to offer me that upgrade. I decided not to wait for the next one to appear but went ahead and installed it manually using the .debs at https://launchpad.net/ubuntu/+source/linux/3.2.0-14.23/+build/3184590 and https://launchpad.net/ubuntu/+source/linux/3.2.0-14.23/+build/3184593. (One of two header packages required for amd64 was listed only in the i386 build, which was a bit confusing.) The main thing is I got it working again :)

[David Henningsson (diwic)]

Ok, thanks for the feedback!