Public bug reported:
My laptop (ASUS K501UW-AB78) fails to resume from suspend when using
Nvidia driver and Nvidia videocard is active. The problem does not arise
when I switch to built-in video using nvidia prime or when using nouveau
driver.
Since this appears to only be relevant for hybrid systems, I file the
bug under nvidia-prime; please move as appropriate.
what I expect to happen: when system is in suspend and I open laptop lid or
press any button, the laptop resumes and brings up the lock screen.
what actually happens: when system is in suspend and I open laptop lid
or press any button, the laptop awakens (power and wifi LEDs turn on);
the screen gets backlit but remains black. I cannot switch to terminal
session via Ctrl+Alt+F1. I am unable do anything blindly (for example,
type in the password and try to turn off the laptop via keyboard
combinations).
to replicate the problem: install ubuntu 16.04, install nvidia driver
via "additional drivers" settings dialog. Open nvidia-settings, open
PRIME tab, switch to NVIDIA (performance mode), log out, log in, suspend
the pc, press any button.
Tested on: Ubuntu Mate 16.04.1 LTS x64 and Linux Mint 18 Cinnamon x64; in both
cases kernel 4.4.
Driver version: 361.42, nvidia-prime v0.82. I tried to manually install 367.44
driver, but both systems failed to load with that one (unlike my desktop).
Hardware: Nvidia GTX 960M and Intel HD 520 (in intel i7 6500u cpu) videocards.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: nvidia-prime 0.8.2
ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
Uname: Linux 4.4.0-31-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CurrentDesktop: MATE
Date: Sun Sep 4 21:52:32 2016
InstallationDate: Installed on 2016-09-05 (0 days ago)
InstallationMedia: Ubuntu-MATE 16.04.1 LTS "Xenial Xerus" - Release amd64
(20160719)
SourcePackage: nvidia-prime
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: nvidia-prime (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug nvidia xenial
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https://bugs.launchpad.net/bugs/1620170
Title:
wake from suspend fails when using discrete videocard on hybrid system
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