Public bug reported: I don't know what happen after I updated Ubuntu. Now my speakers are not working. It shows dummy output in Sound Setting. I tried to search on net but none of the solution worked for me. Please help
ProblemType: Package DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-33-generic 4.15.0-33.36 ProcVersionSignature: Ubuntu 4.15.0-33.36-generic 4.15.18 Uname: Linux 4.15.0-33-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.2 AptOrdering: linux-generic:amd64: Remove linux-image-generic:amd64: Remove linux-image-4.15.0-33-generic:amd64: Remove linux-image-unsigned-4.15.0-33-generic:amd64: Install NULL: ConfigurePending Architecture: amd64 Date: Wed Sep 5 21:35:12 2018 ErrorMessage: installed linux-image-4.15.0-33-generic package pre-removal script subprocess returned error exit status 1 HibernationDevice: RESUME=UUID=a8ac24cf-125b-48f3-9d3d-8625a57a061c InstallationDate: Installed on 2018-07-18 (48 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 5986:210f Acer, Inc Bus 001 Device 002: ID 0bda:0821 Realtek Semiconductor Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: LENOVO 80XL ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-33-generic root=UUID=d45cd3c9-bc33-4ff7-8960-736eb1e90811 ro quiet splash vt.handoff=1 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3ubuntu1 PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1 RelatedPackageVersions: grub-pc 2.02-2ubuntu8.3 SourcePackage: linux Title: package linux-image-4.15.0-33-generic 4.15.0-33.36 failed to install/upgrade: installed linux-image-4.15.0-33-generic package pre-removal script subprocess returned error exit status 1 UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/13/2018 dmi.bios.vendor: LENOVO dmi.bios.version: 4WCN40WW dmi.board.asset.tag: NO Asset Tag dmi.board.name: LNVNB161216 dmi.board.vendor: LENOVO dmi.board.version: NO DPK dmi.chassis.asset.tag: NO Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo ideapad 320-15IKB dmi.modalias: dmi:bvnLENOVO:bvr4WCN40WW:bd04/13/2018:svnLENOVO:pn80XL:pvrLenovoideapad320-15IKB:rvnLENOVO:rnLNVNB161216:rvrNODPK:cvnLENOVO:ct10:cvrLenovoideapad320-15IKB: dmi.product.family: ideapad 320-15IKB dmi.product.name: 80XL dmi.product.version: Lenovo ideapad 320-15IKB dmi.sys.vendor: LENOVO ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package bionic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1790905 Title: package linux-image-4.15.0-33-generic 4.15.0-33.36 failed to install/upgrade: installed linux-image-4.15.0-33-generic package pre- removal script subprocess returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1790905/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs