Kernel 4.4 Intel Graphics Problems

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thenellt
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Kernel 4.4 Intel Graphics Problems

Post by thenellt » Fri Jan 08, 2016 7:09 pm

I'm on a Zenbook ux305ca with Skylake HD 515 graphics. Under a fresh install of 17.3 the intel graphics work wonderfully. Unfortunately the touchpad only works under a patched version of the 4.4 kernel. I've tried several 4.4 kernels and all of them have had graphical corruption problems. An example of what it looks like is in the attached screenshot.

I've done some googling about skylake kernel 4.4 graphics issues and didn't find anything. Any advice on how to fix this?
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IMG_20160108_150102.jpg

lukacu
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Re: Kernel 4.4 Intel Graphics Problems

Post by lukacu » Wed Jan 13, 2016 2:50 pm

I have the same problem on Dell XPS13 (9350), according to specifications it should have Skylake HD 520. I installed 4.4 kernel for wireless support. Actually I did not manage to get wireless working (this is of course another issue), but I get similar artefacts appearing in Cinnamon randomly. So far I was unable to find the problem so I am joining this thread in case something comes up.

cajstan
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Re: Kernel 4.4 Intel Graphics Problems

Post by cajstan » Thu Jan 14, 2016 1:00 pm

Same here, kernel 4.4.4, Skylake i5-6500 on an Asus H170 Plus motherboard, on-board graphics: lots of video tearing. I did not check the wireless.
The system runs very well on the unmodified 17.3 KDE installation except for the video, which is is a bit sluggish (ripples on the 24" display).
I also see tearing with the 'official' kernel when I try to play video with VLC or Amarok in overlay mode (which unfortunately is the default setting).
Could this tearing be caused by hardware acceleration that hasn't been properly implemented in the driver? Or maybe X11 needs tuning?

J-Linux
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Re: Kernel 4.4 Intel Graphics Problems

Post by J-Linux » Wed Jan 20, 2016 5:07 am

This problem afflicted my Dell XPS 13 (9350) with Linux Mint 17.3 Cinnamon 64bit. I've installed Linux Mint 17.3 MATE 64bit instead and the graphics work well. It's an unfortunate problem, though, as I prefer Cinnamon to MATE.

vinram
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Re: Kernel 4.4 Intel Graphics Problems

Post by vinram » Wed Jan 27, 2016 1:55 pm

I got the exact same issue, but this thread seems to be the only one that can be found about it on google.

Wifi cant be fixed with 4.4 for me either, but the custom 4.3 kernel from the first answer in this thread fixed the wifi for me:
http://askubuntu.com/questions/709794/d ... ity/719947

However the problem remains with that Kernel aswell.

I opened an issue on cinnamons GitHub page:
https://github.com/linuxmint/Cinnamon/issues/5044

Hopefully there is a fix soon, since i prefer cinnamon as well.

J-Linux
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Re: Kernel 4.4 Intel Graphics Problems

Post by J-Linux » Mon Feb 01, 2016 6:39 am

The GitHub discussion identifies a graphics driver as the source of the graphical problems with kernel 4.4 under Linux Mint 17.3 Cinnamon. Assuming that that is right, does anyone have any suggestions for what to do about it?

I'm not so concerned about the graphical problems now, however, as I've managed (with a bit of effort) to set up a very attractive MATE desktop using Cairo-Dock and panel transparency. See attached image.

Incidentally, the Broadcom wifi on my Dell XPS 13 (9530) worked straight away with kernel 4.4 under Linux Mint 17.3 MATE. I didn't need to resort to the custom kernel.
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LM_MATE_desktop.png

nahun
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Re: Kernel 4.4 Intel Graphics Problems

Post by nahun » Tue Feb 16, 2016 8:15 pm

I have a Dell XPS 13 (9350) and had the same issue using Cinnamon and 4.3 kernel. I put on a 4.2.7 kernel and haven't had the same tearing/flickering yet. You do have to add "i915.preliminary_hw_support=1" to the grub kernel line to get hardware acceleration to work, but so far it seems OK.

I haven't tried getting the Broadcom wireless to work as I ordered an Intel 7265 card and replace it with that.

Just wanted to throw in my experience. So far Mint with Cinnamon has been the best experience on my XPS 13 due to the great HiDPI support

nahun
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Re: Kernel 4.4 Intel Graphics Problems

Post by nahun » Wed Feb 17, 2016 6:30 pm

Well looks like 4.2 kernel causes freezing/crashing when using the i915 on Skylake. I compiled a 4.5.0-rc4 kernel, but it still has the same tearing and corruption. I guess I may have to look at using Mate. Hopefully it has as good HiDPI support.

novelistxyz
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Re: Kernel 4.4 Intel Graphics Problems

Post by novelistxyz » Tue Mar 15, 2016 5:06 pm

I have the same problem with Linux Mint 17.3 Cinnamon on my XPS 13 (9350).

I've just upgraded to kernel 4.5, but it doesn't solve the screen problem (it solves the palm detection problem of the touchpad though). In fact, I think my screen seems to flicker a little more in 4.5 than in 4.4.5.


(Update: it appears that Cinnamon works fine on Ubuntu 15.10 with 4.5 kernel on the same XPS 13, but there are still some occasional flickers)

thenellt
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Re: Kernel 4.4 Intel Graphics Problems

Post by thenellt » Sat Apr 02, 2016 6:07 pm

Unfortunately there doesn't seem to have been any progress made with this issue. This tearing shows up in the ubuntu build of kernel 4.5 stable as well as the ubuntu builds of the intel daily kernel 4.6.

This bug report (https://bugs.freedesktop.org/show_bug.cgi?id=93892) might or might not be this same issue but the only progress that seems to have been made is determining that something broke in between 4.3 and 4.4.

JeremyB
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Re: Kernel 4.4 Intel Graphics Problems

Post by JeremyB » Sat Apr 02, 2016 6:20 pm

The kernel isn't the only thing when dealing with graphics, there is also the x server

Do not run this command but it is what Ubuntu recommends for updating to the 4.2 kernel in Ubuntu 14.04

Code: Select all

sudo apt-get install --install-recommends linux-generic-lts-wily xserver-xorg-core-lts-wily xserver-xorg-lts-wily xserver-xorg-video-all-lts-wily xserver-xorg-input-all-lts-wily libwayland-egl1-mesa-lts-wily 
I do not know if there is a command for updating to the Beta of Ubuntu 16.06(xenial)

thenellt
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Re: Kernel 4.4 Intel Graphics Problems

Post by thenellt » Sat Apr 02, 2016 6:59 pm

I've since jumped around to several versions of ubuntu and elementary os and all of them display this issue when using a 4.4 or higher kernel. Using a lower kernel version isn't practical as the touchpad wasn't supported and didn't work until 4.5rc1. At this point I'm actually considering messing with backporting the touchpad fixes to avoid the graphics issues.

Here is another bug report of the same issue with a dell laptop with skylake graphics (https://bugs.launchpad.net/ubuntu/+sour ... ug/1552304). A fair number of laptops with skylake graphics seem to experiences these problems. Google searching "linux 4.5 skylake flickering" shows several other threads about the same problem.

titanbird
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Re: Kernel 4.4 Intel Graphics Problems

Post by titanbird » Mon Apr 11, 2016 2:43 pm

I got the exact same problem! :-(
Please share if you got any advice! Cinnamon - nothing else...

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Re: Kernel 4.4 Intel Graphics Problems

Post by Dakiraun » Sun May 08, 2016 2:07 pm

I have the same issue on a Skylake-based Eurocom Monster4 laptop. This particular laptop has a Nvidia 970m on it, so as along as I run on that things are okay, but switch to the Intel for the sake of battery life, and I get the awful tearing. For a time, I was able to get both working reasonably well on the 3.19.0.x kernel, but it required compiling drivers for the wireless. That also did not completely allow the Intel to work correctly for certain video types or uses like Skype. Unfortunately, the 3.19.0-58 kernel has somehow broken the use of that kernel - even trying to go back to a prior revision, the wireless is now non-functional, so I've been running on 4.4.0-x for the last while to use the system. The drawback of this is that on the Nvidia, I have like 1.5 hour battery life as opposed to 4.5 hours on the Intel.

I think the problem is less of a kernel one though and more of an Xorg / Xserver one. Mint 17.3 is still based off the prior Ubuntu LTS, so a lot of the Xorg stuff is older. I'm hoping Mint 18 will resolve the issue, but I have a feeling it could just be a time-based problem. About 4 years ago, I got a laptop that was, then, a cutting edge system and it was a good 14 to 18 months before Linux correctly supported all the features without work-arounds. I just have a feeling the same will true of the Skylake stuff.

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JOPETA
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Re: Kernel 4.4 Intel Graphics Problems

Post by JOPETA » Sun May 08, 2016 3:23 pm

@Dakiraun
It is not a Skylake-based computer but also had Nvidia graphics problems when( trying to help an OP) installed kernel 4.4. I solved it going back to Nvidia 352 and Bumblebee works again. Newer controllers (355, 361 and 368) have the same problems with Xorg/Xsever. As JeremyB said it is not only a problem with kernel , Xenial is in final and those packages are in repositories. I can choose so gonna stay with kernel 4.2 and 3.19 for a while.

andrasz
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Re: Kernel 4.4 Intel Graphics Problems

Post by andrasz » Fri May 13, 2016 7:44 am

Dear all,

I have the same problem as explained before.
Updated the kernel from 3.19 to 4.5 in Mint 'Cinnamon': Wifi and Touchpad running properly now but flickering graphic problem started to occur. Additionally my laptop crashes when connected to a monitor via HDMI.
Lenovo T460s, Sky Lake Integrated Graphics.

Thx for any advise!

EDIT: I changed the bios Display usage settings from 'ThinkPad LCD' to 'HDMI' and I disabled, when booted into Linux Mint the Laptop display.
Since I mostly work with a second monitor, this setting is just fine. No more flickering and Mint doesn't crash anymore because I only use one monitor.

sep
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Re: Kernel 4.4 Intel Graphics Problems

Post by sep » Fri May 27, 2016 12:23 pm

I have the same issue.
I have a thinkpad X1 carbon 4th gen, with a core i5-6200U
I use linux mint 17.3, with cinnamon 2.8.8

It persists on any kernel version 4.4 or higher (I have tried multiple)
I have no problems on kernel 4.2 (currently using 4.2.0-36 as it is called in the Update Manager)

samthing
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Re: Kernel 4.4 Intel Graphics Problems

Post by samthing » Sat May 28, 2016 7:26 am

Asus F556U laptop Skylake i5-6200 here. Stock 17.3 Cinnamon doesn't support touchpad but graphics work. Updated kernel to 4.6 RC7 and the tearing and screen flashing started.

sep
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Re: Kernel 4.4 Intel Graphics Problems

Post by sep » Wed Jun 01, 2016 3:08 am

This might or might not be related to
viewtopic.php?f=208&t=217442&p=1172745#p1172745

sep
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Re: Kernel 4.4 Intel Graphics Problems

Post by sep » Thu Jun 09, 2016 10:26 am

@ thenellt:

How did you create the screenshot? Is it a propoer screenshot (made with your zenbook), or a picture created by a second device (camera)?

I ask because I am not able to capture the flickering (which is visible on the screen) in an image via print screen. I also tried to to capture it in a video via ffmpeg, but strangely enough the flickering goes away (also visibly) during the recording.

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