Public bug reported:
Very recently my HDMI-->USB video capture device stopped working.
/dev/video{0,1} is no longer created so it can no longer be accessed.
The device in question was bought from eBay:
http://web.archive.org/web/20200906083930/https://www.ebay.co.uk/p/15039374404?iid=313155173737
Photo attached, just in case.
linux-image-5.4.0-42-generic works.
linux-image-5.4.0-45-generic fails:
$ lsusb
Bus 002 Device 003: ID 534d:2109
$ lsusb -t
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/8p, 480M
|__ Port 2: Dev 3, If 0, Class=Video, Driver=snd-usb-audio, 480M
|__ Port 2: Dev 3, If 1, Class=Video, Driver=snd-usb-audio, 480M
|__ Port 2: Dev 3, If 2, Class=Audio, Driver=snd-usb-audio, 480M
|__ Port 2: Dev 3, If 3, Class=Audio, Driver=snd-usb-audio, 480M
|__ Port 2: Dev 3, If 4, Class=Human Interface Device, Driver=usbhid,
480M
|__ Port 3: Dev 4, If 0, Class=Human Interface Device, Driver=usbhid,
1.5M
|__ Port 4: Dev 5, If 1, Class=Human Interface Device, Driver=usbhid,
1.5M
|__ Port 4: Dev 5, If 0, Class=Human Interface Device, Driver=usbhid,
1.5M
Multiple reboots needed to capture data so will update shortly.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-5.4.0-45-generic 5.4.0-45.49~18.04.2
ProcVersionSignature: Ubuntu 5.4.0-45.49~18.04.2-generic 5.4.55
Uname: Linux 5.4.0-45-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.17
Architecture: amd64
CurrentDesktop: MATE
Date: Sun Sep 6 09:36:32 2020
SourcePackage: linux-signed-hwe-5.4
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-signed-hwe-5.4 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
** Attachment added: "Photo of device"
https://bugs.launchpad.net/bugs/1894424/+attachment/5408056/+files/s-l1600.jpg
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https://bugs.launchpad.net/bugs/1894424
Title:
HDMI video capture device fails [534d:2109] (no /dev/video{0,1})
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