Webcams no longer have correct names

Bug #1961996 reported by Dave Musicant
10
This bug affects 2 people
Affects Status Importance Assigned to Milestone
linux-signed-hwe-5.13 (Ubuntu)
Confirmed
Undecided
Unassigned

Bug Description

I've got two webcams: one of them is built in to my Lenovo T14s (running Ubuntu 20.04.4), and the other is an external USB device. They used to have obvious names: one was called something like "Integrated Camera C" and the other was called something like "HuddleCamHD". Strangely, they have both been renamed to be "Video Capture 4", which means I can't easily distinguish between them when switching cameras in tools such as Zoom or OBS Studio. Here's some output showing this:

$ v4l2-ctl --list-devices
Video Capture 4 (usb-0000:00:14.0-5.2.3):
        /dev/video2
        /dev/video3

Video Capture 4 (usb-0000:00:14.0-8):
        /dev/video0
        /dev/video1

Likewise, I'm seeing precisely the same issue on my desktop computer, which is also running Ubuntu 20.04.04:

Video Capture 4 (usb-0000:00:14.0-3.4.3):
        /dev/video0
        /dev/video1

I'm running kernel version 5.13.0-30. This error first occurs with kernel version 5.13.0-28. If I boot with an earlier version, it detects the webcam names just fine.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.13.0-30-generic 5.13.0-30.33~20.04.1
ProcVersionSignature: Ubuntu 5.13.0-30.33~20.04.1-generic 5.13.19
Uname: Linux 5.13.0-30-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed Feb 23 07:09:46 2022
InstallationDate: Installed on 2020-05-08 (655 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
ProcEnviron:
 TERM=screen-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/usr/bin/zsh
SourcePackage: linux-signed-hwe-5.13
UpgradeStatus: No upgrade log present (probably fresh install)

Revision history for this message
Dave Musicant (musicant) wrote :
Revision history for this message
Dave Musicant (musicant) wrote :

This has now been fixed with kernel 5.13.0-37.

Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in linux-signed-hwe-5.13 (Ubuntu):
status: New → Confirmed
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