Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v5.20-rc2 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:

Once testing of the upstream kernel is complete, please mark this bug as

Thanks in advance.

[0] https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.0-rc2/

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  Freeze when usb-data-collision with usb-mouse

Status in linux package in Ubuntu:

Bug description:
  To my computer I have connected a USB-hub and to that I have attached
  a USB-mouse and a USB-to-Ehternet adapter. The computer sometimes
  freezes completely and power button is the only escape. This happens
  when I scroll the mouse, press a button or moves the mouse (any event
  from the mouse).

  This can happen in any running program: Firefox, pdf-viewer,
  Libreoffice Writer...

  Most often this comes with my usb-to-ethernet LEDs switch off (during
  blink), but not always.

  Seems to be a collision event between my USB-mouse and USB-to-ethernet
  adapter, i.e mutex. An other computer without the USB-to-ethernet
  adapter never freezes. Configured in the same way.

  (I used Ubuntu 14.04 for a long time and this freeze never happened.
  In 18.04 this happens at least every two weeks. It is the same

  $ uname -a
  Linux ubuntu 4.15.0-39-generic #42-Ubuntu SMP Tue Oct 23 15:48:01 UTC 2018 
x86_64 x86_64 x86_64 GNU/Linux
  $ lsb_release -rd
  Description:  Ubuntu 18.04.1 LTS
  Release:      18.04
  ProblemType: Bug
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
   /dev/snd/controlC1:  user       5276 F.... pulseaudio
   /dev/snd/controlC0:  user       5276 F.... pulseaudio
  CurrentDesktop: MATE
  DistroRelease: Ubuntu 18.04
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-42-generic 
root=/dev/mapper/hostname--vg--1542473018588400299-root ro quiet splash 
  ProcVersionSignature: Ubuntu 4.15.0-42.45-generic 4.15.18
   linux-restricted-modules-4.15.0-42-generic N/A
   linux-backports-modules-4.15.0-42-generic  N/A
   linux-firmware                             1.173.2
   0: phy0: Wireless LAN
        Soft blocked: yes
        Hard blocked: no
  Tags:  bionic
  Uname: Linux 4.15.0-42-generic x86_64
  UnreportableReason: This report is about a package that is not installed.
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: sudo vboxusers wireshark
  _MarkForUpload: False
  dmi.bios.date: 04/09/2015
  dmi.bios.vendor: TOSHIBA
  dmi.bios.version: Version 3.20
  dmi.board.asset.tag: 0000000000
  dmi.board.name: SATELLITE Z30-B
  dmi.board.vendor: TOSHIBA
  dmi.board.version: Version A0
  dmi.chassis.asset.tag: 0000000000
  dmi.chassis.type: 10
  dmi.chassis.vendor: TOSHIBA
  dmi.chassis.version: Version 1.0
  dmi.product.family: 0000000000
  dmi.product.name: SATELLITE Z30-B
  dmi.product.version: PT258E-007015N5
  dmi.sys.vendor: TOSHIBA

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