[Bug 1908991] Re: Compose key doesn't work after a while

[Bagas Sanjaya]

** Attachment added: "xkb"
   https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1908991/+attachment/5445761/+files/xprop-xkb

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Title:
  Compose key doesn't work after a while

Status in systemd package in Ubuntu:
  New

Bug description:
  I attached my M-TECH keyboard to USB 2.0 hub connected to USB 2.0 port
  on my laptop. I also attached my mouse to the same hub.

  On kernels up to 5.9, compose key (which I defined as Right
  Super/Right Win) worked for a while, and then did not work (no
  accented letter inserted when typing right sequence). For example,
  instead of à I got `a.

  On 5.10 kernel (I reported this bug using custom-compiled 5.10.1
  kernel), compose key does not work initially.

  The workaround is to open Tweaks and redefine compose key to the same
  key.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: udev 245.4-4ubuntu3.3
  Uname: Linux 5.10.1-kernelorg-upstream-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.14
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  CustomUdevRuleFiles: 70-snap.snapd.rules
  Date: Tue Dec 22 15:44:43 2020
  InstallationDate: Installed on 2020-05-05 (230 days ago)
  InstallationMedia: Ubuntu-MATE 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  MachineType: Acer Aspire E5-571
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.10.1-kernelorg-upstream-generic root=UUID=30956875-cf76-41af-963e-866e73f8e23e ro
  SourcePackage: systemd
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/06/2014
  dmi.bios.release: 1.4
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: V1.04
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: EA50_HB
  dmi.board.vendor: Acer
  dmi.board.version: V1.04
  dmi.chassis.asset.tag: Chassis Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: Chassis Version
  dmi.ec.firmware.release: 1.4
  dmi.modalias: dmi:bvnInsydeCorp.:bvrV1.04:bd05/06/2014:br1.4:efr1.4:svnAcer:pnAspireE5-571:pvrV1.04:rvnAcer:rnEA50_HB:rvrV1.04:cvnAcer:ct10:cvrChassisVersion:
  dmi.product.family: SharkBay System
  dmi.product.name: Aspire E5-571
  dmi.product.sku: Aspire E5-571_0866_V1.04
  dmi.product.version: V1.04
  dmi.sys.vendor: Acer
  modified.conffile..etc.apport.crashdb.conf: [modified]
  mtime.conffile..etc.apport.crashdb.conf: 2020-08-11T18:33:58.913741

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