** Summary changed:

- Ubuntu 20.04 doesn't work with moidern KVMs
+ Ubuntu 20.04 doesn't work with Logitech, Inc. Unifying Receiver over a KVM

** Package changed: xorg (Ubuntu) => linux (Ubuntu)

** Tags added: kvm

** Summary changed:

- Ubuntu 20.04 doesn't work with Logitech, Inc. Unifying Receiver over a KVM
+ Ubuntu 20.04 doesn't work with Logitech, Inc. Unifying Receiver over a KVM 
switch

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https://bugs.launchpad.net/bugs/1930925

Title:
  Ubuntu 20.04 doesn't work with Logitech, Inc. Unifying Receiver over a
  KVM switch

Status in linux package in Ubuntu:
  New

Bug description:
  I have recently acquired a acquired a desktop running ubuntu 20.04. I
  have several computers and switch between them using this KVM
  
https://www.amazon.co.uk/gp/product/B077SV9MMQ/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
  The other machines are either running windows or ubuntu 18.04 or
  earlier. They are all fine, but the with 20.04 machine neither the
  keyboard nor the mouse works. On the 18.04 machine I can see

  lsusb
  Bus 002 Device 002: ID 8087:8000 Intel Corp. 
  Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  Bus 001 Device 002: ID 8087:8008 Intel Corp. 
  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
  Bus 003 Device 005: ID 046d:c534 Logitech, Inc. Unifying Receiver
  Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

  and it is the Logitech, Inc. Unifying Receiver which appears when the
  USB from the KVM is connected. On the 20.04 machine only this appears

  lsusb
  Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
  Bus 001 Device 003: ID 0b05:19af ASUSTek Computer, Inc. AURA LED Controller
  Bus 001 Device 002: ID 05e3:0610 Genesys Logic, Inc. 4-port hub
  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

  I have tested installation discs from 19.04 onwards. The failure first
  appears in 19.10 and is still present in 21.04

  I can observe a similar problem with a dual boot laptop running
  windows 10 and 20.04. With windows 10 I can use it with the KVM for
  screen and keyboard/mouse, but with ubuntu 20.04 the keyboard and
  mouse do not work. This issue has also been observed here
  https://unix.stackexchange.com/questions/646515/using-logitech-mouse-
  keyboard-on-tesmart-kvm-switch-with-ubuntu-20-04 and I have observed
  it using a Lindy 2 port HDMI/USB KVM (but I'm unsure of the model).

  I had to report this originally against xorg as this bug reporting
  system seems not to allow reporting of bugs against unknown packages.
  I also had to report it through the ubuntu-bug executable as I've been
  unable to find a way in launchpad of reporting a bug (as opposed to
  getting a guided tour about reporting bugs).

  I am happy to supply more info and test fixes if I am asked but as
  with this type of bug where something fails to happen rather than
  something wrong happens I don't know what to look at.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: xorg 1:7.7+19ubuntu14
  ProcVersionSignature: Ubuntu 5.8.0-53.60~20.04.1-generic 5.8.18
  Uname: Linux 5.8.0-53-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.18
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: skip
  CompositorRunning: None
  Date: Fri Jun  4 20:21:15 2021
  DistUpgraded: Fresh install
  DistroCodename: focal
  DistroVariant: ubuntu
  DpkgLog:
   
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation Device [8086:4c8a] (rev 04) (prog-if 00 [VGA controller])
     Subsystem: ASUSTeK Computer Inc. Device [1043:8694]
  InstallationDate: Installed on 2021-05-14 (21 days ago)
  InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 
(20210209.1)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 0b05:19af ASUSTek Computer, Inc. AURA LED Controller
   Bus 001 Device 002: ID 05e3:0610 Genesys Logic, Inc. 4-port hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  Lsusb-t:
   /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/8p, 10000M
   /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/16p, 480M
       |__ Port 11: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
       |__ Port 13: Dev 3, If 0, Class=Vendor Specific Class, Driver=, 12M
       |__ Port 13: Dev 3, If 2, Class=Human Interface Device, Driver=usbhid, 
12M
  MachineType: ASUS System Product Name
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-53-generic 
root=UUID=0c391c11-c570-4e04-a351-4fd128a75369 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/27/2021
  dmi.bios.release: 8.20
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0820
  dmi.board.asset.tag: Default string
  dmi.board.name: PRIME H570M-PLUS
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Default string
  dmi.chassis.type: 3
  dmi.chassis.vendor: Default string
  dmi.chassis.version: Default string
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr0820:bd04/27/2021:br8.20:svnASUS:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEH570M-PLUS:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring:
  dmi.product.family: To be filled by O.E.M.
  dmi.product.name: System Product Name
  dmi.product.sku: SKU
  dmi.product.version: System Version
  dmi.sys.vendor: ASUS
  version.compiz: compiz 1:0.9.14.1+20.04.20200211-0ubuntu1
  version.libdrm2: libdrm2 2.4.102-1ubuntu1~20.04.1
  version.libgl1-mesa-dri: libgl1-mesa-dri 20.2.6-0ubuntu0.20.04.1
  version.libgl1-mesa-glx: libgl1-mesa-glx N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.9-2ubuntu1.2~20.04.2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20200226-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

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