Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.8 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.8-rc2/ ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- 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/1612916 Title: Internal speakers don't work after standby Status in alsa-driver package in Ubuntu: New Status in linux package in Ubuntu: Incomplete Status in pulseaudio package in Ubuntu: New Bug description: I've a Toshiba x20t-C-121 (Skylake m7-6Y75 based). On initial boot, sound on internal speakers is working. After standby it doesn work anymore, but a analog headset does. Switching around in pavucontrol doesn't work... Internal microphone works. I'm using Ubuntu 16.04 64 bit on a 4.4.0-34-generic kernel. --- ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: michi 6510 F.... pulseaudio CurrentDesktop: GNOME-Flashback:Unity DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=/dev/mapper/1tb-swap MachineType: TOSHIBA PORTEGE Z20t-C Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-34-generic.efi.signed root=/dev/mapper/1tb-miniubuntu ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15 RelatedPackageVersions: linux-restricted-modules-4.4.0-34-generic N/A linux-backports-modules-4.4.0-34-generic N/A linux-firmware 1.157.3 Tags: xenial Uname: Linux 4.4.0-34-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip libvirtd lp lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 06/27/2016 dmi.bios.vendor: TOSHIBA dmi.bios.version: Version 5.60 dmi.board.asset.tag: 0000000000 dmi.board.name: PORTEGE Z20t-C dmi.board.vendor: TOSHIBA dmi.board.version: Version A0 dmi.chassis.asset.tag: 0000000000 dmi.chassis.type: 10 dmi.chassis.vendor: TOSHIBA dmi.chassis.version: Version 1.0 dmi.modalias: dmi:bvnTOSHIBA:bvrVersion5.60:bd06/27/2016:svnTOSHIBA:pnPORTEGEZ20t-C:pvrPT16BE-00W006GR:rvnTOSHIBA:rnPORTEGEZ20t-C:rvrVersionA0:cvnTOSHIBA:ct10:cvrVersion1.0: dmi.product.name: PORTEGE Z20t-C dmi.product.version: PT16BE-00W006GR dmi.sys.vendor: TOSHIBA To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1612916/+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
