I marked my bug #1611188 "Bluetooth doesn't work after recovering computer from sleeping" as a duplicate of this. Sorry, somehow I missed this bug that was already open.
Same thing with Dell Latitude E6410 with bluetooth adapter: 430-3659 : Dell Wireless 375 Bluetooth Module, Dell Latitude E Although this morning I didn't have the problem, which ALWAYS happens, so I think it might have been fixed by yesterday's update to linux- firmware 1.157.3: https://launchpad.net/ubuntu/+source/linux-firmware/1.157.3 linux-firmware (1.157.3) xenial; urgency=medium * linux-firmware: Add firmware file for Intel Bluetooth 8265 (LP: #1599071) I think it's been solved for some people, at least! -- 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/1561474 Title: Bluetooth will be disable after resume from suspend on Xenial Status in linux package in Ubuntu: Confirmed Bug description: CID: 201208-11536 Dell Latitude 6430u The Bluetooth will be disabled after resume from suspend. You will need to use "hciconfig hci0 reset" to enable it. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-15-generic 4.4.0-15.31 ProcVersionSignature: Ubuntu 4.4.0-15.31-generic 4.4.6 Uname: Linux 4.4.0-15-generic x86_64 ApportVersion: 2.20-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: ubuntu 1202 F.... pulseaudio CurrentDesktop: Unity Date: Thu Mar 24 19:14:07 2016 HibernationDevice: RESUME=UUID=25c03762-079c-4c6d-aedb-ec768318a6bf InstallationDate: Installed on 2016-03-24 (0 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151209) MachineType: Dell Inc. Latitude 6430U ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-15-generic root=UUID=18cfda3e-4f3d-40cf-8e7e-a83030819487 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.4.0-15-generic N/A linux-backports-modules-4.4.0-15-generic N/A linux-firmware 1.157 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/15/2012 dmi.bios.vendor: Dell Inc. dmi.bios.version: A02 dmi.board.asset.tag: 1234567 dmi.board.name: 0MN74V dmi.board.vendor: Dell Inc. dmi.board.version: X01 dmi.chassis.asset.tag: 1234567 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA02:bd11/15/2012:svnDellInc.:pnLatitude6430U:pvr01:rvnDellInc.:rn0MN74V:rvrX01:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude 6430U dmi.product.version: 01 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1561474/+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