[Bug 1851275] Re: Bluetooth fails to resume

[Daniel van Vugt]

*** This bug is a duplicate of bug 1246981 ***
    https://bugs.launchpad.net/bugs/1246981

** This bug has been marked a duplicate of bug 1246981
   Bluetooth devices fail to re-connect after sleep.

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https://bugs.launchpad.net/bugs/1851275

Title:
  Bluetooth fails to resume

Status in ubuntu-release-upgrader package in Ubuntu:
  Confirmed

Bug description:
  After upgrading from Kubuntu 19.04 to Kubuntu 19.10, my bluetooth has
  become horribly unstable. Moving the computer to a different room and
  back(out of bluetooth range presumably), as well as suspending the
  computer causes the connection to my wireless mouse to fail. The
  bluetooth notification changes to say "No adapters available".

  This throws pages of notifications in dmesg, as the computer tries reconnecting ~20 times. Sample below:
  [134098.041593] PM: suspend exit
  [134098.076535] usb 1-4: new full-speed USB device number 86 using xhci_hcd
  [134098.204521] usb 1-4: device descriptor read/64, error -71
  [134098.440549] usb 1-4: device descriptor read/64, error -71
  [134098.549036] debugfs: Directory '42' with parent 'devices' already present!
  [134098.676662] usb 1-4: new full-speed USB device number 87 using xhci_hcd
  [134098.808594] usb 1-4: device descriptor read/64, error -71
  [134099.048613] usb 1-4: device descriptor read/64, error -71
  [134099.160743] usb usb1-port4: attempt power cycle
  [134099.481253] debugfs: Directory '43' with parent 'devices' already present!

  The symptoms look very similar to
  https://bugs.launchpad.net/ubuntu/+source/blueman/+bug/1851265, but I
  don't have blueman installed, so it has to be caused by a different
  package.

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: ubuntu-release-upgrader-core 1:19.10.15
  ProcVersionSignature: Ubuntu 5.3.0-19.20-generic 5.3.1
  Uname: Linux 5.3.0-19-generic x86_64
  ApportVersion: 2.20.11-0ubuntu8.1
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: KDE
  Date: Mon Nov  4 18:38:32 2019
  InstallationDate: Installed on 2019-06-15 (142 days ago)
  InstallationMedia: Kubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to eoan on 2019-10-31 (4 days ago)

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