Public bug reported:
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 hardware.)
$ 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
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1805631
Title:
Freeze when usb-data-collision with usb-mouse
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