Public bug reported:

On Ubuntu 20.04.2 when you do a routine update from 5.8.0-44 to 5.8.0-45
it critically breaks wacom / stylus on a ubuntu certified ThinkPad X1
Yoga. Wacom/ stylus is recognized correctly by xsetwacom, xinput, lshw
and lsusb, but not from wacom / stylus in gnome settings. When you
extract the stylus it causes the Thinkpad to hang, and it needs a hard
reboot.

The only solution is to install 5.8.0-44 and completely purge 5.8.0-45.

PS: This kind of stuff should not be happening on a production LTS
release on machines from a certified supplier. May I recommend making
sure you update the kernel only when the entire existing ecosystem is
supported? We are talking top of the range machines that can come with
Ubuntu pre-installed.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: kernel-bug libinput libwacom

** Description changed:

  On Ubuntu 20.04.2 when you do a routine update from 5.8.0-44 to 5.8.0-45
  it critically breaks wacom / stylus on a ubuntu certified ThinkPad X1
  Yoga. Wacom/ stylus is recognized correctly by xsetwacom, xinput, lshw
  and lsusb, but not from wacom / stylus in gnome settings. When you
  extract the stylus it causes the Thinkpad to hang, and it needs a hard
  reboot.
  
  The only solution is to install 5.8.0-44 and completely purge 5.8.0-45.
  
  PS: This kind of stuff should not be happening on a production LTS
- release on machine from a certified supplier. May I recommend making
+ release on machines from a certified supplier. May I recommend making
  sure you update the kernel only when the entire existing ecosystem is
  supported? We are talking top of the range machines that can come with
  Ubuntu pre-installed.

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https://bugs.launchpad.net/bugs/1920785

Title:
  Kernel update from 5.8.0-44 to 5.8.0-45 critically breaks wacom /
  stylus on ThinkPad X1 Yoga

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