$ inxi -G
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
Resolution: [email protected]
GLX Renderer: GeForce GT 755M/PCIe/SSE2
GLX Version: 4.5.0 NVIDIA 375.39
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to nvidia-prime in Ubuntu.
https://bugs.launchpad.net/bugs/1674304
Title:
PRIME synchronization not working with xserver-1.19.x
Status in nvidia-prime package in Ubuntu:
New
Bug description:
xserver-1.19.x is being proposed for 17.04, currently available in test ppa
https://launchpad.net/~canonical-x/+archive/ubuntu/x-staging
FFe - https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1671799
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-IdeaPad-Y510P kernel: [ 1.746443] [drm]
Supports vblank timestamp caching Rev 2 (21.10.2013).
Mar 19 08:18:47 doug-Lenovo-IdeaPad-Y510P kernel: [ 1.746444] [drm] Driver
supports precise vblank timestamp
ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: nvidia-prime 0.8.4
ProcVersionSignature: Ubuntu 4.10.0-13.15-generic 4.10.1
Uname: Linux 4.10.0-13-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
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)
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