[Bug 1759836] Re: systemd-udevd consumes 100% of CPU

[QuentinHartman]

Found this lkml thread for other issues related to this change. It seems
the effort to run it down fizzled. What would be the best way to tie
this to that to hopefully raise visibility / priority?

https://lkml.org/lkml/2018/4/6/221

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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:
  Invalid
Status in linux package in Ubuntu:
  Incomplete
Status in systemd package in Ubuntu:
  Confirmed

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 at .service → /lib/systemd/system/user at .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.

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