Nothing special from dmesg. Probably a bug in Cheese.

** Also affects: cheese (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1897567

Title:
  webcam not initialized

Status in cheese package in Ubuntu:
  New
Status in linux package in Ubuntu:
  Confirmed

Bug description:
  ubuntu 20.04.01 clean install.
  thanks in advance for your attention. polite comment, no yelling here. going 
thru transfer and setup machine previous install ubuntu 16.04 when usb camera 
was working.

  webcam not initialized in cheese from my generic usb anivia webcam
  webcam device found: Bus 001 Device 006: ID 0c45:6366 Microdia USB 2.0 Camera

  william@william-Studio-XPS-7100:~$ dmesg | grep -i "Camera"
  [43532.227381] usb 1-6: Product: USB 2.0 Camera
  [43532.643588] uvcvideo: Found UVC 1.00 device USB 2.0 Camera (0c45:6366)
  [43532.670887] uvcvideo 1-6:1.0: Entity type for entity Camera 1 was not 
initialized!
  [43532.671103] input: USB 2.0 Camera: USB Camera as 
/devices/pci0000:00/0000:00:12.2/usb1/1-6/1-6:1.0/input/input27
  [43931.982272] usb 1-6: Product: USB 2.0 Camera
  [43931.985021] uvcvideo: Found UVC 1.00 device USB 2.0 Camera (0c45:6366)
  [43932.011454] uvcvideo 1-6:1.0: Entity type for entity Camera 1 was not 
initialized!
  [43932.011667] input: USB 2.0 Camera: USB Camera as 
/devices/pci0000:00/0000:00:12.2/usb1/1-6/1-6:1.0/input/input28
  william@william-Studio-XPS-7100:~$ ls -ltrh /dev/video*
  crw-rw----+ 1 root video 81, 1 Sep 27 19:39 /dev/video1
  crw-rw----+ 1 root video 81, 0 Sep 27 19:39 /dev/video0
  william@william-Studio-XPS-7100:~$ lsusb
  Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  Bus 002 Device 005: ID 18e3:9106 Fitipower Integrated Technology Inc Mass 
Storage Device
  Bus 002 Device 006: ID 04f9:0283 Brother Industries, Ltd MFC-J825DW
  Bus 002 Device 007: ID 413c:2001 Dell Computer Corp. Keyboard HID Support
  Bus 002 Device 004: ID 413c:1001 Dell Computer Corp. Keyboard Hub
  Bus 002 Device 002: ID 0424:2504 Microchip Technology, Inc. (formerly SMSC)
  Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  Bus 005 Device 002: ID 051d:0002 American Power Conversion Uninterruptible 
Power Supply
  Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  Bus 001 Device 006: ID 0c45:6366 Microdia USB 2.0 Camera
  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  Bus 004 Device 002: ID 046d:c52b Logitech, Inc. Unifying Receiver
  Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: linux-image-5.4.0-48-generic 5.4.0-48.52
  ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60
  Uname: Linux 5.4.0-48-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.9
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC2:  william    1432 F.... pulseaudio
   /dev/snd/controlC0:  william    1432 F.... pulseaudio
   /dev/snd/pcmC0D1p:   william    1432 F...m pulseaudio
   /dev/snd/controlC1:  william    1432 F.... pulseaudio
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Sep 28 09:03:27 2020
  GvfsMonitorError:
   This tool has been deprecated, use 'gio mount' instead.
   See 'gio help mount' for more info.
  GvfsMonitorLog: Monitoring events. Press Ctrl+C to quit.
  HotplugNewDevices:
   
  HotplugNewMounts:
   
  InstallationDate: Installed on 2020-09-26 (1 days ago)
  InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
  IwConfig:
   lo        no wireless extensions.
   
   enp2s0    no wireless extensions.
  MachineType: Dell Inc. Studio XPS 7100
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-48-generic 
root=UUID=ffa0aa05-8d32-4088-b80c-8afd25831dbc ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-5.4.0-48-generic N/A
   linux-backports-modules-5.4.0-48-generic  N/A
   linux-firmware                            1.187.3
  RfKill:
   
  SourcePackage: linux
  Symptom: storage
  UdisksMonitorLog:
   Monitoring the udisks daemon. Press Ctrl+C to exit.
   09:03:37.505: The udisks-daemon is running (name-owner :1.10).
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/10/2010
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A06
  dmi.board.name: 0NWWY0
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 3
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvrA06:bd09/10/2010:svnDellInc.:pnStudioXPS7100:pvr:rvnDellInc.:rn0NWWY0:rvrA00:cvnDellInc.:ct3:cvr:
  dmi.product.name: Studio XPS 7100
  dmi.sys.vendor: Dell Inc.

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