The folks over at are saying
they think that bug is the same as this one, but I don't think it is.
What do you think?

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  [X1 Carbon 7, i915, HDMI] Ultra-wide monitor recognized properly when
  plugged in only intermittently [Xorg only]

Status in Linux:
Status in linux package in Ubuntu:

Bug description:
  I have an LG ultra-wide (2560x1080) monitor.

  Sometimes when I plug it into my laptop, whose screen was working fine
  before I plugged it in, both screens go black but nothing else
  happens. I can still see the mouse cursor and move it between the two
  monitors (sometimes in the correct location configuration I've
  configured, sometimes not), but nothing is rendered on the screens.

  Sometimes when I plug the monitor in, it comes on, but the resolution
  is wrong.

  Sometimes it is actually recognized and configured correctly.

  Frequently I have to unplug the monitor and plug it back in three
  times or more before it is recognized correctly.

  I wish it just worked right the first time. :-/

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: gnome-shell 3.34.1-1ubuntu1
  ProcVersionSignature: Ubuntu 5.3.0-19.20-generic 5.3.1
  Uname: Linux 5.3.0-19-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu8
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Oct 23 08:34:07 2019
  DisplayManager: gdm3
  InstallationDate: Installed on 2019-09-12 (40 days ago)
  InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
  RelatedPackageVersions: mutter-common 3.34.1-1ubuntu1
  SourcePackage: gnome-shell
  UpgradeStatus: Upgraded to eoan on 2019-09-20 (32 days ago)
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu8
  Architecture: amd64
   /dev/snd/controlC1:  jik        3196 F.... pulseaudio
   /dev/snd/pcmC1D0p:   jik        3196 F...m pulseaudio
   /dev/snd/controlC0:  jik        3196 F.... pulseaudio
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CompizPlugins: No value set for 
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  DistUpgraded: 2019-09-20 10:09:14,777 DEBUG Running PostInstallScript: 
  DistroCodename: eoan
  DistroRelease: Ubuntu 19.10
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes
   Intel Corporation UHD Graphics 620 (Whiskey Lake) [8086:3ea0] (rev 02) 
(prog-if 00 [VGA controller])
     Subsystem: Lenovo UHD Graphics 620 (Whiskey Lake) [17aa:2292]
  InstallationDate: Installed on 2019-09-12 (45 days ago)
  InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
  MachineType: LENOVO 20QD001VUS
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  Package: xorg-server (not installed)
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.3.0-19-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 5.3.0-19.20-generic 5.3.1
   linux-restricted-modules-5.3.0-19-generic N/A
   linux-backports-modules-5.3.0-19-generic  N/A
   linux-firmware                            1.183.1
  Tags:  eoan ubuntu
  Uname: Linux 5.3.0-19-generic x86_64
  UpgradeStatus: Upgraded to eoan on 2019-09-20 (38 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo vboxusers wireshark
  _MarkForUpload: True 07/04/2019
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N2HET30W (1.13 )
  dmi.board.asset.tag: Not Available 20QD001VUS
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0J40697 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
dmi:bvnLENOVO:bvrN2HET30W(1.13):bd07/04/2019:svnLENOVO:pn20QD001VUS:pvrThinkPadX1Carbon7th:rvnLENOVO:rn20QD001VUS:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone: ThinkPad X1 Carbon 7th 20QD001VUS
  dmi.product.sku: LENOVO_MT_20QD_BU_Think_FM_ThinkPad X1 Carbon 7th
  dmi.product.version: ThinkPad X1 Carbon 7th
  dmi.sys.vendor: LENOVO
  modified.conffile..etc.apport.crashdb.conf: [modified]
  mtime.conffile..etc.apport.crashdb.conf: 2019-10-23T16:51:18.143596
  version.compiz: compiz 1:
  version.libdrm2: libdrm2 2.4.99-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 19.2.1-1ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 19.2.1-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.5+git20191008-0ubuntu1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.0.1-1ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

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