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 v4.19 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/v4.19.1 ** 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/1802077 Title: Bluetooth is not working on Lenovo IdeaPad Y560p Status in linux package in Ubuntu: Incomplete Bug description: No bluetooth device is found. `rfkill list` shows a wifi device only, no bluetooth. # rfkill list 0: ideapad_wlan: Wireless LAN Soft blocked: no Hard blocked: no 2: phy0: Wireless LAN Soft blocked: no Hard blocked: no ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-38-generic 4.15.0-38.41 ProcVersionSignature: Ubuntu 4.15.0-38.41-generic 4.15.18 Uname: Linux 4.15.0-38-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.4 Architecture: amd64 Date: Wed Nov 7 12:07:34 2018 HibernationDevice: RESUME=/dev/mapper/vg-swap MachineType: LENOVO IdeaPad Y560p ProcEnviron: TERM=screen PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-38-generic root=/dev/mapper/vg-root ro RelatedPackageVersions: linux-restricted-modules-4.15.0-38-generic N/A linux-backports-modules-4.15.0-38-generic N/A linux-firmware 1.173.1 SourcePackage: linux UpgradeStatus: Upgraded to bionic on 2018-05-14 (176 days ago) dmi.bios.date: 11/12/2010 dmi.bios.vendor: LENOVO dmi.bios.version: 3FCN11WW dmi.board.name: KL3 dmi.board.vendor: LENOVO dmi.board.version: Rev 1.0 dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Rev 1.0 dmi.modalias: dmi:bvnLENOVO:bvr3FCN11WW:bd11/12/2010:svnLENOVO:pnIdeaPadY560p:pvrRev1.0:rvnLENOVO:rnKL3:rvrRev1.0:cvnLENOVO:ct10:cvrRev1.0: dmi.product.name: IdeaPad Y560p dmi.product.version: Rev 1.0 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1802077/+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