Intel 6900K
MSI X99 TITANIUM
128GB RAM
MSI GTX 1080 GAMING X 8G
OpenSuSE Tumbleweed x86_64
Kernel 4.10.11
Resizing a window running glxgears is crazy slow (X > 100% CPU, i.e.: 160%+).
Also, anything dragged (moved) over glxgears or chrome will result in a jerky movement.
Now, if I use my GTX 980 then I get none of these problems.
Oh, yes I game in windows and the card is optimal, no issues.
Things are also weird in cinnamon/muffin and gnome/mutter.
For example, while a video is on screen it skips if I right click for a pop up menu (i.e.: gnome-terminal for example).
All this doesn’t happen if I swap to my GTX 980.
Also got a notebook with a GTX 980 and it doesn’t do any of this.
nvidia-bug-report.log.gz (133 KB)
Thanks but I know about the bug report.
However, I am unable to attach my file because it keeps saying
[INFECTED! FILE REMOVED] nvidia-bug-report.log.gz
Sooo…
Ok so I validated on 2 other setups.
Completely different machines with gtx 1080.
Ubuntu 16.04 + unity - exact same behavior
Gentoo + compiz 0.8 branch - exact same behavior
I have tried to tweak various settings to isolate the problem.
Only 1 setting amplifies the symptom and it’s “DamageEvents” to “false”.
Makes sense since if I compare a system with a GTX 980 vs GTX 1080 the cpu usage for the latter is >100% when resizing a window and only 30% for the GTX 980 using compiz.
Seems like a problem with the XWindow sync?
Really annoying.
Alright so anyone from NVIDIA can confirm that resizing glxgears in Ubuntu 16 + GTX 1080 is not jerky/laggy/slow.
Because this is a symptom of different issues I am seeing.
Nvidia doesn’t care about broken X/compositor performance. It’s ridiculous, but with Kepler you get better 2D performance with Nouveau than with Nvidia’s proprietary driver.
Alright, I bought a amd vega 64 and with the open source driver it’s simply awesome.
Thanks nVidia your support is A+.