I've now booted into linux 5.4.0-37-generic without incident.

** Description changed:

- In ubuntu 20.04 running linux kernel 5.4.0.31, running the updater
+ In ubuntu 20.04 running linux kernel 5.4.0.33, running the updater
  resulted in a frozen, irresponsive mouse and keyboard, and the laptop
  wouldn't suspend when closing the lid. Upon reboot, the laptop froze
  before reaching the login screen.
  
  To workaround, I rebooted, held the shift key and entered the grub menu,
  and booted using the prior kernel, linux 5.4.0.31. Then it worked. Grub
  was listing both linux 5.4.0.31 and linux 5.4.0.33, with the latter
- being the default and the one that froze upon booting.
+ being the default and the one that froze upon booting after the botched
+ update.
  
  Upon booting to linux 5.4.0.31, apt-get reported an unfinished package
  installation. ```sudo dpkg --configure -a``` solved the issue without
  incident, updating grub with a new entry for linux 5.4.0.37. Haven't yet
  tried to reboot into it.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: linux-image-5.4.0-33-generic 5.4.0-33.37
  ProcVersionSignature: Ubuntu 5.4.0-31.35-generic 5.4.34
  Uname: Linux 5.4.0-31-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.2
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  albert     2075 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  albert     2075 F.... pulseaudio
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Jun 10 14:58:58 2020
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=394271b7-2e0e-42af-b70b-cffbb608ed13
  InstallationDate: Installed on 2016-06-24 (1446 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 
(20160420.1)
  Lsusb:
-  Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
-  Bus 001 Device 003: ID 04ca:705a Lite-On Technology Corp. Integrated Camera
-  Bus 001 Device 004: ID 056a:5040 Wacom Co., Ltd Pen and multitouch sensor
-  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
+  Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
+  Bus 001 Device 003: ID 04ca:705a Lite-On Technology Corp. Integrated Camera
+  Bus 001 Device 004: ID 056a:5040 Wacom Co., Ltd Pen and multitouch sensor
+  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: LENOVO 20FQCTO1WW
  ProcEnviron:
-  TERM=xterm-256color
-  PATH=(custom, no user)
-  XDG_RUNTIME_DIR=<set>
-  LANG=en_US.UTF-8
-  SHELL=/bin/bash
+  TERM=xterm-256color
+  PATH=(custom, no user)
+  XDG_RUNTIME_DIR=<set>
+  LANG=en_US.UTF-8
+  SHELL=/bin/bash
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-31-generic 
root=UUID=972ac4f9-34e5-4cf0-a6ba-2fa4322fd70a ro quiet splash
  RelatedPackageVersions:
-  linux-restricted-modules-5.4.0-31-generic N/A
-  linux-backports-modules-5.4.0-31-generic  N/A
-  linux-firmware                            1.187
+  linux-restricted-modules-5.4.0-31-generic N/A
+  linux-backports-modules-5.4.0-31-generic  N/A
+  linux-firmware                            1.187
  SourcePackage: linux
  UpgradeStatus: Upgraded to focal on 2020-05-20 (21 days ago)
  dmi.bios.date: 04/18/2016
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N1FET40W (1.14 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20FQCTO1WW
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0J40709 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN1FET40W(1.14):bd04/18/2016:svnLENOVO:pn20FQCTO1WW:pvrThinkPadX1Yoga1st:rvnLENOVO:rn20FQCTO1WW:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad X1 Yoga 1st
  dmi.product.name: 20FQCTO1WW
  dmi.product.sku: LENOVO_MT_20FQ_BU_Think_FM_ThinkPad X1 Yoga 1st
  dmi.product.version: ThinkPad X1 Yoga 1st
  dmi.sys.vendor: LENOVO

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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1882956

Title:
  Froze half-way through updating

Status in linux package in Ubuntu:
  New

Bug description:
  In ubuntu 20.04 running linux kernel 5.4.0.33, running the updater
  resulted in a frozen, irresponsive mouse and keyboard, and the laptop
  wouldn't suspend when closing the lid. Upon reboot, the laptop froze
  before reaching the login screen.

  To workaround, I rebooted, held the shift key and entered the grub
  menu, and booted using the prior kernel, linux 5.4.0.31. Then it
  worked. Grub was listing both linux 5.4.0.31 and linux 5.4.0.33, with
  the latter being the default and the one that froze upon booting after
  the botched update.

  Upon booting to linux 5.4.0.31, apt-get reported an unfinished package
  installation. ```sudo dpkg --configure -a``` solved the issue without
  incident, updating grub with a new entry for linux 5.4.0.37. Haven't
  yet tried to reboot into it.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: linux-image-5.4.0-33-generic 5.4.0-33.37
  ProcVersionSignature: Ubuntu 5.4.0-31.35-generic 5.4.34
  Uname: Linux 5.4.0-31-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  albert     2075 F.... pulseaudio
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Jun 10 14:58:58 2020
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=394271b7-2e0e-42af-b70b-cffbb608ed13
  InstallationDate: Installed on 2016-06-24 (1446 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 
(20160420.1)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 04ca:705a Lite-On Technology Corp. Integrated Camera
   Bus 001 Device 004: ID 056a:5040 Wacom Co., Ltd Pen and multitouch sensor
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: LENOVO 20FQCTO1WW
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-31-generic 
root=UUID=972ac4f9-34e5-4cf0-a6ba-2fa4322fd70a ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-5.4.0-31-generic N/A
   linux-backports-modules-5.4.0-31-generic  N/A
   linux-firmware                            1.187
  SourcePackage: linux
  UpgradeStatus: Upgraded to focal on 2020-05-20 (21 days ago)
  dmi.bios.date: 04/18/2016
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N1FET40W (1.14 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20FQCTO1WW
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0J40709 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN1FET40W(1.14):bd04/18/2016:svnLENOVO:pn20FQCTO1WW:pvrThinkPadX1Yoga1st:rvnLENOVO:rn20FQCTO1WW:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad X1 Yoga 1st
  dmi.product.name: 20FQCTO1WW
  dmi.product.sku: LENOVO_MT_20FQ_BU_Think_FM_ThinkPad X1 Yoga 1st
  dmi.product.version: ThinkPad X1 Yoga 1st
  dmi.sys.vendor: LENOVO

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