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March 10th, 2018 00:00

Dell xps 13 9370 Webcam support

I got my dell xps yesterday. It is the developers edition that come with ubuntu 16.04 preinstalled. 

I notice that cheese does not come installed, so I installed but no webcam is detected. I can see it if I do an lsusb, so I know is activated.

I was wondering, does this laptop supports the webcam or not?

 

Edit: Good news, a dell engineer came and replace the monitor, that has the webcam integrated and presto, it is working now.

Update: Most of the problems with the webcam is not hardware based. Looks like many of the laptops come with a firmware that the latest Linux kernel do not support at the moment. To solve the issue, Dell is replacing the whole monitor with a downgrade firmware of the webcam. If a less drastic solution is reported, I will update the post with it.

Update2: Looks like there is a software solution now. 

2 Posts

June 18th, 2018 12:00

Neither the official solution above, nor going to pre-release worked.  Also, I regret this last move.  Any way to reverse it?

6 Posts

June 19th, 2018 11:00

FYI, the patch will land on Fedora 27 and 28 testing-update next week, and should be release in regular update in 2 weeks or so. The patch is integrated with Linux 4.17.

I'm running the git version right now and it's working quite well.

1 Message

June 19th, 2018 21:00

Hi

it worked, up to suspend/resume !!!!

- on Ubuntu 16.04 lwe (kernel 4.13.0-45.50)

- after resume no camera, lsusb shows no device

in dmesg after resume:

[ 151.043132] usb 1-7: reset full-speed USB device number 3 using xhci_hcd
[ 151.302739] usb 1-10: reset full-speed USB device number 4 using xhci_hcd
[ 152.471164] [drm] RC6 on
[ 153.732059] PM: resume of devices complete after 2990.242 msecs
[ 153.732426] usb 1-7:1.0: rebind failed: -517
[ 153.732435] usb 1-7:1.1: rebind failed: -517
[ 153.732980] PM: Finishing wakeup.
[ 153.732982] OOM killer enabled.
[ 153.732983] Restarting tasks ...
[ 153.733126] usb 1-5: USB disconnect, device number 2
[ 153.741098] done.

 

any idea?

best

4 Posts

June 23rd, 2018 06:00

Thanks for the info!

I currently have the latest software and firmware installed, and the webcam works when I first boot my laptop. However, after waking from suspend, the webcam no longer works. Is this a known issue?

5 Posts

June 23rd, 2018 09:00

I am having the same issue with the webcam not working after suspend.

June 25th, 2018 16:00

I've been experiencing a regression with 4.15 on xenial

Solution: follow the guidance from the moderator (‎see message posted on 06-13-2018 02:38 PM)

At this point you should have a functioning 4.13 kernel (supporting the camera ok). Make sure it works.

Then uninstall 4.15

apt remove linux-image-unsigned-4.15.0-22-generic linux-image-4.15.0-22-generic

Reboot on 4.13 as needed 

 

6 Posts

June 27th, 2018 08:00

Hi everyone,

In Fedora 28, the first version of the working kernel will be kernel-4.17.3-200.fc28.

1 Message

June 30th, 2018 22:00

I have just upgraded from 16.04 to 18.04 and webcam is working fine now :)

20 Posts

July 2nd, 2018 07:00


@dmfalke wrote:

Out of curiosity, does the webcam continue to work after waking from suspend?


In my case, using Ubuntu 18.04 and the latest kernel available:

4.15.0-23-generic #25-Ubuntu

it does.

4 Posts

July 2nd, 2018 07:00

Out of curiosity, does the webcam continue to work after waking from suspend?

4 Posts

July 2nd, 2018 09:00

I have the same kernel installed, yet my webcam does not work after waking from suspend. I suppose I can try to reinstall the OS as a last-ditch effort, but I would be surprised if that addresses the issue.

4 Posts

July 2nd, 2018 12:00

Thanks for the info! Is this a known issue? Is there a bug report?

July 2nd, 2018 12:00

There is a problem with the hwe kernel: it does not wake up after the laptop has been hibernating.

July 2nd, 2018 12:00

There is a problem with the hwe kernel: it does not wake up after the laptop has been hibernating.

July 3rd, 2018 15:00

I have the same problem with the webcam not working after suspending the laptop.
I'm using the 4.15.0-24-generic kernel under Ubuntu 18.04.
This started after I configured the laptop to go into deep sleep, which you can check using the command 

> cat /sys/power/mem_sleep
s2idle [deep]

 

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