PRIME synchronization not working with xserver-1.19.x in Ubuntu
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
lightdm (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned | ||
nvidia-prime (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned |
Bug Description
xserver-1.19.x is being proposed for 17.04, currently available in test ppa
https:/
FFe - https:/
On 2 separate Optimus laptops there is no sign of it actually working, tearing while using nvidia drivers (375.x) is rampart.
Testing with both current 4.10.0-13 & previous 4.9.0-11 kernels.
Shows this in kern.log so support is enabled
Mar 19 08:18:47 doug-Lenovo-
Mar 19 08:18:47 doug-Lenovo-
But in Xorg.0.log -
randr: falling back to unsynchronized pixmap sharing
ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: nvidia-prime 0.8.4
ProcVersionSign
Uname: Linux 4.10.0-13-generic x86_64
NonfreeKernelMo
ApportVersion: 2.20.4-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity:Unity7
Date: Mon Mar 20 07:53:12 2017
InstallationDate: Installed on 2017-03-15 (4 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Alpha amd64 (20170311)
SourcePackage: nvidia-prime
UpgradeStatus: No upgrade log present (probably fresh install)
$ inxi -G
Resolution: 1920x1080@59.91hz
Graphics: Card-1: Intel 4th Gen Core Processor Integrated Graphics Controller
Card-2: NVIDIA GK107M [GeForce GT 755M]
Display Server: X.Org 1.19.3 drivers: modesetting,nvidia
GLX Renderer: GeForce GT 755M/PCIe/SSE2
GLX Version: 4.5.0 NVIDIA 375.39