[Bug 1895597] [NEW] No Launch app with discrete GPU option

Scott Lewin 1895597 at bugs.launchpad.net
Tue Sep 15 00:24:08 UTC 2020


Public bug reported:

Even though my HP Gaming Hybrid laptop on CPU Ryzen graphics works
really well with Kubuntu 20.10 there is no easy way to launch
applications using the Nvidia 1050 discrete GPU.  The only way I am able
to launch using the discrete GPU is by changing to "on-demand" mode
using sudo prime-select on-demand then launching applications using
__NV_PRIME_RENDER_OFFLOAD=1 __GLX_VENDOR_LIBRARY_NAME=nvidia.

I do believe their is supposed to be a Launch app with discrete GPU
option found in the Open Application Launcher in the Advanced Options
found on the Application Tab (https://userbase.kde.org/Plasma/Tips
#launch-app-with-discrete-gpu).  I do not see this in the advanced tab
on Kubuntu 20.10. The options I see are run in terminal, run as
different user, and enable launch feedback.  I can not see the Launch
app with discrete GPU option anywhere.

Even though this option in the advanced panel will be nice it would be
even more helpful to make this option more obvious for novice users if
possible.

More information for this bug may be found in bug Bug #1894852
(https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-
drivers-450/+bug/1894852) which I originally started when I could not
get my discrete graphics running on this laptop.

ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: plasma-desktop 4:5.19.5-0ubuntu1
ProcVersionSignature: Ubuntu 5.8.0-18.19-generic 5.8.4
Uname: Linux 5.8.0-18-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu45
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: KDE
Date: Mon Sep 14 20:00:01 2020
InstallationDate: Installed on 2020-09-11 (3 days ago)
InstallationMedia: Kubuntu 20.10 "Groovy Gorilla" - Alpha amd64 (20200910)
ProcEnviron:
 LANGUAGE=en_GB:en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SourcePackage: plasma-desktop
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: plasma-desktop (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug groovy

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Title:
  No Launch app with discrete GPU option

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