It sounds like some part of the XFCE desktop is waiting for Bluetooth,
which indeed your kernel is taking 107 seconds to realize it's not
present. So a fix will have to occur in one of the XFCE packages.

** Package changed: bluez (Ubuntu) => xfce (Ubuntu)

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https://bugs.launchpad.net/bugs/1802774

Title:
  Bluetooth (bluez) in 18.10 hangs xfce4 for upwards of 30 seconds,
  notifyd / stuff crashes

Status in xfce package in Ubuntu:
  New

Bug description:
  I recently upgraded from 18.04 to 18.10, and after the upgrade I
  immediately started seeing very long delays after login. Not only
  that, the xfce4-notifyd aspect would just time out and never complete
  loading.

  The solution was

  systemctl disable bluetooth

  So, to disable the bluetooth daemon.

  Now, my computer doesn't have bluetooth, and I don't plug bluetooth
  devices/radios into it really ever.

  During the "wait" time, things like "ctrl esc" and other ways to bring
  up the application menu simply didn't respond. And I would have to
  manually run and fork the xfce4-notifyd proccess.

  I suspect bluetooth is timing out looking for devices that don't/never
  exist(ed), but I don't know why that behaviour changed drastically in
  18.10. This is a very poor user experience, and it took me weeks on
  and off to figure out.

  * Ubuntu 18.10 + XFCE4
  * i7 980x
  * 24GB RAM
  * Asus Xonar DGX
  * GTX 960
  * 3x1920x1080 monitors (all in landscape)

  Hope this gets solved, because there's seriously no good solutions on
  the internet that I could find. This seriously was stabbing in the
  dark here.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: bluez 5.50-0ubuntu1
  ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
  Uname: Linux 4.18.0-10-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.10-0ubuntu13
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Sun Nov 11 11:57:12 2018
  InstallationDate: Installed on 2015-07-20 (1209 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  InterestingModules: bluetooth
  MachineType: System manufacturer System Product Name
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-10-generic 
root=UUID=3557b89b-06a6-4e9f-8538-41be167eede8 ro quiet splash vga=789 
nomodeset mode_option=1280x1024-24,mtrr=3,scroll=ywrap
  SourcePackage: bluez
  UpgradeStatus: Upgraded to cosmic on 2018-10-30 (11 days ago)
  dmi.bios.date: 09/19/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1701
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: Rampage II GENE
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev 2.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr1701:bd09/19/2011:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnRampageIIGENE:rvrRev2.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.family: To Be Filled By O.E.M.
  dmi.product.name: System Product Name
  dmi.product.sku: To Be Filled By O.E.M.
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer
  hciconfig:
   
  rfkill:

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