Public bug reported:
Device 046d:0825 Logitech, Inc. Webcam C270 is listed twice in all
applications, only one works.
# lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 046d:c077 Logitech, Inc. M105 Optical Mouse
Bus 001 Device 004: ID 046d:c31c Logitech, Inc. Keyboard K120
Bus 001 Device 003: ID 046d:0825 Logitech, Inc. Webcam C270
Bus 001 Device 002: ID 0b0e:0301 GN Netcom
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
# uvcdynctrl -l
Listing available devices:
video0 UVC Camera (046d:0825)
Media controller device: /dev/media0
Entity 1: UVC Camera (046d:0825). Type: 65537, Revision: 0, Flags: 1,
Group-id: 0, Pads: 1, Links: 0
Device node
Entity: 1, Pad 0, Flags: 1
video1 UVC Camera (046d:0825)
Media controller device /dev/media1 doesn't exist
ERROR: Unable to list device entities: Invalid device or device cannot be
opened. (Code: 5)
# dmesg | grep uvc
[ 3.893987] uvcvideo: Found UVC 1.00 device <unnamed> (046d:0825)
[ 3.932294] uvcvideo 1-4:1.0: Entity type for entity Extension 4 was not
initialized!
[ 3.932295] uvcvideo 1-4:1.0: Entity type for entity Extension 6 was not
initialized!
[ 3.932296] uvcvideo 1-4:1.0: Entity type for entity Extension 7 was not
initialized!
[ 3.932297] uvcvideo 1-4:1.0: Entity type for entity Processing 2 was not
initialized!
[ 3.932297] uvcvideo 1-4:1.0: Entity type for entity Extension 3 was not
initialized!
[ 3.932298] uvcvideo 1-4:1.0: Entity type for entity Camera 1 was not
initialized!
[ 3.932433] usbcore: registered new interface driver uvcvideo
[ 4.527770] uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2:
-110 (exp. 2).
[ 5.043434] uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 2:
-110 (exp. 2).
[18388.764265] uvcvideo: Failed to query (SET_CUR) UVC control 10 on unit 2:
-32 (exp. 2).
[18392.774849] uvcvideo: Failed to query (SET_CUR) UVC control 10 on unit 2:
-32 (exp. 2).
[18400.401369] uvcvideo: Failed to query (SET_CUR) UVC control 10 on unit 2:
-32 (exp. 2).
[18400.588362] uvcvideo: Failed to query (SET_CUR) UVC control 10 on unit 2:
-32 (exp. 2).
[18400.767487] uvcvideo: Failed to query (SET_CUR) UVC control 4 on unit 1: -32
(exp. 4).
[18400.780908] uvcvideo: Failed to query (SET_CUR) UVC control 4 on unit 1: -32
(exp. 4).
[18418.825143] uvcvideo: Failed to query (SET_CUR) UVC control 10 on unit 2:
-32 (exp. 2).
[18419.824545] uvcvideo: Failed to query (SET_CUR) UVC control 10 on unit 2:
-32 (exp. 2).
[18420.825531] uvcvideo: Failed to query (SET_CUR) UVC control 10 on unit 2:
-32 (exp. 2).
[18421.822094] uvcvideo: Failed to query (SET_CUR) UVC control 10 on unit 2:
-32 (exp. 2).
[18422.822433] uvcvideo: Failed to query (SET_CUR) UVC control 10 on unit 2:
-32 (exp. 2).
[18427.826222] uvcvideo: Failed to query (SET_CUR) UVC control 10 on unit 2:
-32 (exp. 2).
[18429.989699] uvcvideo: Failed to query (SET_CUR) UVC control 4 on unit 1: -32
(exp. 4).
[18429.995466] uvcvideo: Failed to query (SET_CUR) UVC control 4 on unit 1: -32
(exp. 4).
[18430.141697] uvcvideo: Failed to query (SET_CUR) UVC control 4 on unit 1: -32
(exp. 4).
[18430.147604] uvcvideo: Failed to query (SET_CUR) UVC control 4 on unit 1: -32
(exp. 4).
[18430.421587] uvcvideo: Failed to query (SET_CUR) UVC control 4 on unit 1: -32
(exp. 4).
[18430.427512] uvcvideo: Failed to query (SET_CUR) UVC control 4 on unit 1: -32
(exp. 4).
[18434.371406] uvcvideo: Failed to query (SET_CUR) UVC control 4 on unit 1: -32
(exp. 4).
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: libuvc0 (not installed)
ProcVersionSignature: Ubuntu 5.0.0-16.17-generic 5.0.8
Uname: Linux 5.0.0-16-generic x86_64
ApportVersion: 2.20.10-0ubuntu27
Architecture: amd64
CurrentDesktop: KDE
Date: Tue Jun 11 14:05:17 2019
InstallationDate: Installed on 2019-06-05 (6 days ago)
InstallationMedia: Kubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
SourcePackage: libuvc
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: libuvc (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug disco
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1832403
Title:
UVC device listed twice - 046d:0825 Logitech, Inc. Webcam C270
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/libuvc/+bug/1832403/+subscriptions
--
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
