Hi I tried your fix Dan and it seems not to work. I am running on popOs 19.04 (Dell latitude E6530 i7)
kernel vers: Linux 5.0.0-25-generic x86_64 $ sudo apt-cache policy bluez bluez: Installed: 5.50-0ubuntu2+bug1759836v20190827b1~disco from top: 488 root 20 0 66264 51564 3208 R 100.0 0.4 18:10.64 systemd-udevd I previously disabled the bluetooth in the bios. This is my .rules file (after the update): # do not edit this file, it will be overwritten on update ACTION!="add", GOTO="hid2hci_end" SUBSYSTEM!="usb*", GOTO="hid2hci_end" # Variety of Dell Bluetooth devices - match on a mouse device that is # self powered and where a HID report needs to be sent to switch modes # Known supported devices: 413c:8154, 413c:8158, 413c:8162 ATTR{bInterfaceClass}=="03", ATTR{bInterfaceSubClass}=="01", ATTR{bInterfaceProtocol}=="02", \ ATTRS{bDeviceClass}=="00", ATTRS{idVendor}=="413c", ATTRS{bmAttributes}=="e0", \ RUN+="hid2hci --method=dell --devpath=%p", ENV{HID2HCI_SWITCH}="1" # Logitech devices KERNEL=="hiddev*", ATTRS{idVendor}=="046d", ATTRS{idProduct}=="c70[345abce]|c71[3bc]", \ RUN+="hid2hci --method=logitech-hid --devpath=%p" # Logitech, Inc. diNovo Edge Keyboard KERNEL=="hidraw*", ATTRS{idVendor}=="046d", ATTRS{idProduct}=="c7[01]4", \ RUN+="hid2hci --method=logitech-hid --devpath=%p" ENV{DEVTYPE}!="usb_device", GOTO="hid2hci_end" # When a Dell device recovers from S3, the mouse child needs to be repoked # Unfortunately the only event seen is the BT device disappearing, so the mouse # device needs to be chased down on the USB bus. ATTR{bDeviceClass}=="e0", ATTR{bDeviceSubClass}=="01", ATTR{bDeviceProtocol}=="01", ATTR{idVendor}=="413c", \ ENV{REMOVE_CMD}="/sbin/udevadm trigger --action=change --subsystem-match=usb --property-match=HID2HCI_SWITCH=1" # CSR devices ATTR{idVendor}=="0a12|0458|05ac", ATTR{idProduct}=="1000", RUN+="hid2hci --method=csr --devpath=%p" LABEL="hid2hci_end" -- 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/1759836 Title: systemd-udevd consumes 100% of CPU Status in linux: Confirmed Status in The Ubuntu Power Consumption Project: New Status in bluez package in Ubuntu: In Progress Status in linux package in Ubuntu: Invalid Status in systemd package in Ubuntu: Invalid Status in bluez package in Debian: Unknown Bug description: The systemd-udevd proccess consumes 100% of a thread everytime, but i'm not noticing any difference in my computer. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: systemd 237-3ubuntu6 ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10 Uname: Linux 4.15.0-13-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.20.9-0ubuntu2 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Thu Mar 29 08:52:54 2018 InstallationDate: Installed on 2018-03-05 (23 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180304) MachineType: Dell Inc. Inspiron N5010 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic root=UUID=3c29e292-f1ae-45e1-a0ed-a82524278ce1 ro quiet splash vt.handoff=1 SourcePackage: systemd SystemdDelta: [EXTENDED] /lib/systemd/system/rc-local.service → /lib/systemd/system/rc-local.service.d/debian.conf [EXTENDED] /lib/systemd/system/user@.service → /lib/systemd/system/user@.service.d/timeout.conf 2 overridden configuration files found. UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/25/2011 dmi.bios.vendor: Dell Inc. dmi.bios.version: A12 dmi.board.name: 08R0GW dmi.board.vendor: Dell Inc. dmi.board.version: A12 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: A12 dmi.modalias: dmi:bvnDellInc.:bvrA12:bd01/25/2011:svnDellInc.:pnInspironN5010:pvrA12:rvnDellInc.:rn08R0GW:rvrA12:cvnDellInc.:ct8:cvrA12: dmi.product.name: Inspiron N5010 dmi.product.version: A12 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/kernel/+bug/1759836/+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