Comment by the author of the bug report: Built-in speaker never had problems with ubuntu 14.04.
Anyway, here is xenial's output for hdajacksensetest -a pablo@pablo-VGN-FS315B:~$ sudo hdajacksensetest -a Pin 0x0f (Black Headphone, Rear side): present = No Pin 0x10 ( Line Out): present = No Pin 0x11 (Not connected): present = No Pin 0x12 (Red Mic, Rear side): present = No Pin 0x13 (Not connected): present = Yes Pin 0x14 (Not connected): present = No Pin 0x15 (Not connected): present = Yes Pin 0x16 (Not connected): present = No Pin 0x17 (Not connected): present = No Pin 0x18 (Not connected): present = Yes Pin 0x19 (Not connected): present = Yes -- 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/1564416 Title: [VGN-FS315B, Realtek ALC260, Green Line Out, Front] No sound at all - Sony Vaio Status in alsa-driver package in Ubuntu: Incomplete Bug description: Release Ubuntu 16.04 Bug (probably) in Alsa package - unity-control-center 15.04.0+16.04.20160315-0ubuntu1 I expected to hear sound from the built-in sound device. But there was no sound at all. This bug is a sort of regression. The problem was happening before; some days ago it disappeared (probably it was fixed); and now happens again. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 4.4.0-16.32-generic 4.4.6 Uname: Linux 4.4.0-16-generic i686 ApportVersion: 2.20-0ubuntu3 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: pablo 1790 F.... pulseaudio CurrentDesktop: Unity Date: Thu Mar 31 15:27:28 2016 InstallationDate: Installed on 2016-03-17 (14 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha i386 (20160304) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed Symptom_Card: Built-in Audio - HDA Intel Symptom_DevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: pablo 1790 F.... pulseaudio Symptom_Jack: Green Line Out, Front Symptom_Type: No sound at all Title: [VGN-FS315B, Realtek ALC260, Green Line Out, Front] No sound at all UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/10/2005 dmi.bios.vendor: Phoenix Technologies LTD dmi.bios.version: R0080J1 dmi.chassis.asset.tag: Reserved dmi.chassis.type: 10 dmi.chassis.vendor: Reserved dmi.chassis.version: Reserved dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrR0080J1:bd07/10/2005:svnSonyCorporation:pnVGN-FS315B:pvrC3LLQA01:cvnReserved:ct10:cvrReserved: dmi.product.name: VGN-FS315B dmi.product.version: C3LLQA01 dmi.sys.vendor: Sony Corporation To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1564416/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp