[Bug 1626731] Re: uvcvideo 1-1.4:1.0: Entity type for entity Extension 4 was not initialized!

For anyone who is still having this problem, hopefully this will help you get your webcam working. I was able to get my webcam working and I am using a Dell Precision 7510 Laptop running Ubuntu 18.04.3. 1.) I issued "$dmesg | grep -i camera" in a terminal window and received "uvcvideo 1-11:1.0:

[Bug 1626731] Re: uvcvideo 1-1.4:1.0: Entity type for entity Extension 4 was not initialized!

** Tags added: cscc -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1626731 Title: uvcvideo 1-1.4:1.0: Entity type for entity Extension 4 was not initialized! To manage notifications about this

[Bug 1626731] Re: uvcvideo 1-1.4:1.0: Entity type for entity Extension 4 was not initialized!

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[Bug 1626731] Re: uvcvideo 1-1.4:1.0: Entity type for entity Extension 4 was not initialized!

@Florian: did you do anything other than "sudo apt install uvcdynctrl"? I've just tried this, rebooted, and no change. Thanks for any additional intel. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1626731] Re: uvcvideo 1-1.4:1.0: Entity type for entity Extension 4 was not initialized!

Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: ubuntu-drivers-common (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1626731] Re: uvcvideo 1-1.4:1.0: Entity type for entity Extension 4 was not initialized!

So I guess it's a good idea to install the package when the machine has a webcam. ** Also affects: ubuntu-drivers-common (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1626731] Re: uvcvideo 1-1.4:1.0: Entity type for entity Extension 4 was not initialized!

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. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1626731] Re: uvcvideo 1-1.4:1.0: Entity type for entity Extension 4 was not initialized!

Hello: https://bugzilla.kernel.org/show_bug.cgi?id=111291#c10 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1626731 Title: uvcvideo 1-1.4:1.0: Entity type for entity Extension 4 was not

[Bug 1626731] Re: uvcvideo 1-1.4:1.0: Entity type for entity Extension 4 was not initialized!

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

[Bug 1626731] Re: uvcvideo 1-1.4:1.0: Entity type for entity Extension 4 was not initialized!

** Bug watch added: Linux Kernel Bug Tracker #111291 http://bugzilla.kernel.org/show_bug.cgi?id=111291 ** Also affects: linux via http://bugzilla.kernel.org/show_bug.cgi?id=111291 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member