*** This bug is a duplicate of bug 1920632 ***
https://bugs.launchpad.net/bugs/1920632
** Package changed: linux (Ubuntu) => linux-hwe-5.8 (Ubuntu)
** Tags added: regression-update wacom
** This bug has been marked a duplicate of bug 1920632
use of Wacom stylus causes immediate system hang
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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
Status in linux-hwe-5.8 package in Ubuntu:
Confirmed
Bug description:
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.
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: kt529 1144 F.... pulseaudio
CasperMD5CheckResult: skip
DistroRelease: Ubuntu 20.04
InstallationDate: Installed on 2021-03-05 (17 days ago)
InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64
(20210209.1)
MachineType: LENOVO 20JES4QU00
Package: linux (not installed)
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-44-generic
root=UUID=e846a5b7-eb85-4156-9684-7602fe787c20 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 5.8.0-44.50~20.04.1-generic 5.8.18
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-5.8.0-44-generic N/A
linux-backports-modules-5.8.0-44-generic N/A
linux-firmware 1.187.10
Tags: focal
Uname: Linux 5.8.0-44-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: N/A
_MarkForUpload: True
dmi.bios.date: 06/10/2020
dmi.bios.release: 1.38
dmi.bios.vendor: LENOVO
dmi.bios.version: N1NET51W (1.38 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20JES4QU00
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 31
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.18
dmi.modalias:
dmi:bvnLENOVO:bvrN1NET51W(1.38):bd06/10/2020:br1.38:efr1.18:svnLENOVO:pn20JES4QU00:pvrThinkPadX1Yoga2nd:rvnLENOVO:rn20JES4QU00:rvrNotDefined:cvnLENOVO:ct31:cvrNone:
dmi.product.family: ThinkPad X1 Yoga 2nd
dmi.product.name: 20JES4QU00
dmi.product.sku: LENOVO_MT_20JE_BU_Think_FM_ThinkPad X1 Yoga 2nd
dmi.product.version: ThinkPad X1 Yoga 2nd
dmi.sys.vendor: LENOVO
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