This is my kernel.log when bluetoothd goes at 100%: " Sep 17 18:41:43 GB-BXBT-2807 kernel: [ 7738.885123] hid-generic 0005:0A5C:8502.000B: unknown main item tag 0x0 Sep 17 18:41:43 GB-BXBT-2807 kernel: [ 7738.885475] input: Bluetooth Keyboard as /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/bluetooth/hci0/hci0:2/0005:0A5C:8502.000B/input/input17 Sep 17 18:41:43 GB-BXBT-2807 kernel: [ 7738.886183] hid-generic 0005:0A5C:8502.000B: input,hidraw1: BLUETOOTH HID v0.01 Keyboard [Bluetooth Keyboard] on dc:85:de:fd:2f:bc "
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to bluez in Ubuntu. https://bugs.launchpad.net/bugs/1717796 Title: Bluetoothd fills 100% CPU when bluetooth keyboard goes in idle Status in bluez package in Ubuntu: New Bug description: When bluetooth keyboard goes in idle bluetoothd fills 100% CPU. At this point you have to press any key to reconnect the device and let bluetoothd to return to work normally. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: bluez 5.37-0ubuntu5.1 ProcVersionSignature: Ubuntu 4.4.0-93.116-generic 4.4.79 Uname: Linux 4.4.0-93-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.10 Architecture: amd64 Date: Sun Sep 17 19:02:40 2017 ExecutablePath: /usr/lib/bluetooth/bluetoothd InstallationDate: Installed on 2016-08-06 (406 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) InterestingModules: rfcomm bnep btusb bluetooth MachineType: GIGABYTE GB-BXBT-2807 ProcEnviron: LANG=it_IT.UTF-8 PATH=(custom, no user) ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-93-generic.efi.signed root=UUID=8931ead4-8d43-4aef-8946-c7845c63c7d3 ro quiet splash vt.handoff=7 SourcePackage: bluez UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/22/2015 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: F8 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: MZBAYAP-00 dmi.board.vendor: GIGABYTE dmi.board.version: 1.x dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: To Be Filled By O.E.M. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF8:bd10/22/2015:svnGIGABYTE:pnGB-BXBT-2807:pvr1.x:rvnGIGABYTE:rnMZBAYAP-00:rvr1.x:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.: dmi.product.name: GB-BXBT-2807 dmi.product.version: 1.x dmi.sys.vendor: GIGABYTE hciconfig: hci0: Type: BR/EDR Bus: USB BD Address: DC:85:DE:FD:2F:BC ACL MTU: 820:8 SCO MTU: 255:16 UP RUNNING PSCAN ISCAN RX bytes:528225 acl:32183 sco:0 events:1134 errors:0 TX bytes:33849 acl:338 sco:0 commands:388 errors:1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1717796/+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