Please provide about:gpu content

From the about:gpu, I don't see an immediate reason for your issue.

We don't have your device in house. CC a few Intel colleagues and see if they can reproduce. 

A few things for you to try:

1) run a newer version of Chrome, say, Beta or Dev channel

2) run Chrome with --disable-gpu and see if you can get smooth playback. Note that in this mode your CPU usage will increase a lot.

As per comment #7, adding Needs-Feedback label.
Thanks...!!

Looked at the google-chrome --disable-gpu option, seems to me not happening, although only the youtube hit high CPU usage (70-80%), other ones not really. (30-40%) - with gpu acceleration it is about 20% or so on youtube.

I haven't time to really test newer versions, as i'm testing my product in the meantime, and i'm developing some stuff, where flickering does matter, so i need to test those things in real circumstances.

Thank you for providing more feedback. Adding the requester to the cc list.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

yang.gu: I am wondering if you are able to reproduce this on your side. If yes, this seems like a regression from the report, so we could easily bisect and figure out what's going on here.

We don't have the capacity to test Linux/Intel/Mesa in house.

raxim.uk@gmail.com: This issue isn't observed on most users. It seems it's specific to Linux/Intel/Mesa (maybe even more constrained to a certain Intel GPU or certain mesa driver version). It should not block your product release unless your user base is mostly on Linux/Intel/Mesa and also observing this issue. In general, there are only a very small number of Chrome users on Linux/Intel/Mesa.

If you want to help, you can bisect to a small range of CLs that caused the issue.

My interpretation from your report is that this issue doesn't exist on Chrome M69 and only exist on Chrome M70? Then you can bisect following instructions here:

https://www.chromium.org/developers/bisect-builds-py

Known good revision: 576753 (M69 cut revision)
Known bad revision: 587811 (M70 cut revision)

https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1803848

For reference I have made some comments here.

ZMO, to be honest, even if windows is the main platform on laptops, the mysql 8 only supports the windows 10 (not earlier version or different versions), which is a very base product after Oracle.

Ubuntu is very well supported, but the graphics card is not the best.

Personally i was a windows fan in the last 3 decades, but windows 10 killed me, and changed to linux 2 years before. Now if some problem would be disappearing, it would be perfect. Strange things happens, unluckily vp9 is not well supported by gpu hardware acceleration, and there is a lag on buffering maybe DNS throttling. There was an ubuntu upgrade which removed my mesa somehow, and M260 amd card was disappearing.

Somehow there is a problem when the youtube is buffering maybe. (CPU usage jumps in every 10-20 sec to 40% and makes same lags, even if my CPU is not utilized fully), which did happen on latest M70.

Making youtube full screen also has some glitches, but you probably well aware of the issues as i did see hundreds of forums about the complains.

@zmo, I think this issue happens on a Broadwell notebook, we only have Broadwell desktop, we cannot reproduce this issue on this machine with chrome 70.0.3538.110(cannot find 70.0.3538.102) and Ubuntu18.04.1.
Attached file is GPU info.

Deleted: gpu_info.html 66.0 KB

gpu_info.html 66.0 KB View Download

For further reference, the ubuntu power save management is a crap, and it seems that it was dimming the screen invisibly in every 10 sec. Even if I have upgraded mesa it was getting worse. Disable dimming has helped a lot.

Ubuntu power save management is a crap regarding evaluating battery life, going back from hibernation, kept disconnecting wifi issues. (I'm using USB tethering from android phone)

So next time, probably pls. ask bug reporter to disable power management in every way.