uvcvideo 1-1.4:1.0: Entity type for entity Extension 4 was not initialized!

Bug #1626731 reported by Cristian Aravena Romero on 2016-09-22
40
This bug affects 6 people
Affects Status Importance Assigned to Milestone
Linux
Unknown
Unknown
linux (Ubuntu)
Undecided
Unassigned
ubuntu-drivers-common (Ubuntu)
Undecided
Unassigned

Bug Description

[ 6.453850] uvcvideo 1-1.4:1.0: Entity type for entity Extension 4 was not initialized!
[ 6.453858] uvcvideo 1-1.4:1.0: Entity type for entity Processing 2 was not initialized!
[ 6.453862] uvcvideo 1-1.4:1.0: Entity type for entity Camera 1 was not initialized!

ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: linux-image-4.8.0-14-generic 4.8.0-14.15
ProcVersionSignature: Ubuntu 4.8.0-14.15-generic 4.8.0-rc7
Uname: Linux 4.8.0-14-generic x86_64
ApportVersion: 2.20.3-0ubuntu7
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/pcmC0D0p: caravena 2032 F...m pulseaudio
 /dev/snd/controlC0: caravena 2032 F.... pulseaudio
CurrentDesktop: GNOME
Date: Thu Sep 22 17:20:51 2016
HibernationDevice: RESUME=UUID=360bd2d2-4f44-4311-86d6-4781ac81ee87
InstallationDate: Installed on 2015-07-26 (424 days ago)
InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Alpha amd64 (20150723)
MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U3C/530U4C
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.8.0-14-generic root=UUID=4f4435ca-b877-47a5-9065-3dd624c0514e ro rootflags=subvol=@ quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-4.8.0-14-generic N/A
 linux-backports-modules-4.8.0-14-generic N/A
 linux-firmware 1.161
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/15/2013
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: P14AAJ
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: SAMSUNG_NP1234567890
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: FAB1
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: 0.1
dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvrP14AAJ:bd04/15/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U3C/530U4C:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rnSAMSUNG_NP1234567890:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
dmi.product.name: 530U3C/530U4C
dmi.product.version: 0.1
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

This change was made by a bot.

Changed in linux (Ubuntu):
status: New → Confirmed
aljosa (aljosa-p) wrote :

Lenovo Y700-17ISK notebook (Intel Core i7-6700HQ/RAM 16GB/SSD 512GB/Nvidia GTX960M 4GB)
BIOS CDCN53WW 09/19/2016
Ubuntu 16.04.1
Kernel 4.8.14

[3.591312] uvcvideo: Found UVC 1.00 device Lenovo EasyCamera (5986:0672)
[3.594145] uvcvideo 1-6:1.0: Entity type for entity Realtek Extended Controls Unit was not initialized!
[3.594147] uvcvideo 1-6:1.0: Entity type for entity Extension 4 was not initialized!
[3.594148] uvcvideo 1-6:1.0: Entity type for entity Processing 2 was not initialized!
[3.594149] uvcvideo 1-6:1.0: Entity type for entity Camera 1 was not initialized!
[3.594214] input: Lenovo EasyCamera as /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6:1.0/input/input11

Florian Echtler (floe) wrote :

Just as a comment, at least in my case this was fixed by the "uvcdynctrl" package which installs suitable udev rules to initialize the missing controls from userspace.

Kai-Heng Feng (kaihengfeng) wrote :

So I guess it's a good idea to install the package when the machine has a webcam.

Launchpad Janitor (janitor) wrote :

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

Changed in ubuntu-drivers-common (Ubuntu):
status: New → Confirmed
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