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 v4.17 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/v4.18-rc1 ** 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/1777337 Title: sound says dummy output, but it doesnt appear to be detecting any hardware Status in linux package in Ubuntu: Incomplete Bug description: sound says dummy output, but it doesn’t appear to be detecting any hardware ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-151-generic 3.13.0-151.201 ProcVersionSignature: Ubuntu 3.13.0-151.201-generic 3.13.11-ckt39 Uname: Linux 3.13.0-151-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.29 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CurrentDesktop: Unity Date: Sun Jun 17 18:00:47 2018 HibernationDevice: RESUME=UUID=5b3d6d5c-298e-41a4-a14f-98a99134bc94 InstallationDate: Installed on 2018-06-16 (0 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) IwConfig: eth0 no wireless extensions. lo no wireless extensions. MachineType: SAMSUNG ELECTRONICS CO., LTD. 350V5C/350V5X/350V4C/350V4X/351V5C/351V5X/351V4C/351V4X/3540VC/3540VX/3440VC/3440VX ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-151-generic.efi.signed root=UUID=8946eaec-a7d9-4d63-9527-aa6575a235c2 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-151-generic N/A linux-backports-modules-3.13.0-151-generic N/A linux-firmware 1.127.24 RfKill: SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/08/2012 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P04ABE dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: NP350V5C-A0NUK dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.board.version: BOARD REVISION 00 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 9 dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.chassis.version: 0.1 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP04ABE:bd11/08/2012:svnSAMSUNGELECTRONICSCO.,LTD.:pn350V5C/350V5X/350V4C/350V4X/351V5C/351V5X/351V4C/351V4X/3540VC/3540VX/3440VC/3440VX:pvrP04ABE.007.CP:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP350V5C-A0NUK:rvrBOARDREVISION00:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1: dmi.product.name: 350V5C/350V5X/350V4C/350V4X/351V5C/351V5X/351V4C/351V4X/3540VC/3540VX/3440VC/3440VX dmi.product.version: P04ABE.007.CP dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1777337/+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
