debcrafters-packages team mailing list archive

[Lalit Shankar Chowdhury <2127046@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

I needed to set `GSK_RENDERER=gl` in `/etc/environment` to reduce the
latency when launching GTK4 apps for the first time. Otherwise, the dGPU
is woken up which takes around 1-3 seconds for the app to launch.

ProblemType: Bug
DistroRelease: Ubuntu 25.10
Package: gnome-session (not installed)
ProcVersionSignature: Ubuntu 6.17.0-5.5-generic 6.17.0-rc7
Uname: Linux 6.17.0-5-generic x86_64
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Wed Oct  8 10:12:44 2025
InstallationDate: Installed on 2025-09-27 (10 days ago)
InstallationMedia: Ubuntu 24.04.3 LTS "Noble Numbat" - Release amd64 (20250805.1)
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 XDG_RUNTIME_DIR=<set>
SourcePackage: gnome-session
UpgradeStatus: Upgraded to questing on 2025-10-07 (1 days ago)

** Affects: ubuntu
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug questing wayland-session

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https://bugs.launchpad.net/bugs/2127046

Title:
  GSK_RENDERER=vulkan wakes dGPU up on first app launch.

Status in Ubuntu:
  New

Bug description:
  I needed to set `GSK_RENDERER=gl` in `/etc/environment` to reduce the
  latency when launching GTK4 apps for the first time. Otherwise, the
  dGPU is woken up which takes around 1-3 seconds for the app to launch.

  ProblemType: Bug
  DistroRelease: Ubuntu 25.10
  Package: gnome-session (not installed)
  ProcVersionSignature: Ubuntu 6.17.0-5.5-generic 6.17.0-rc7
  Uname: Linux 6.17.0-5-generic x86_64
  ApportVersion: 2.33.1-0ubuntu3
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Oct  8 10:12:44 2025
  InstallationDate: Installed on 2025-09-27 (10 days ago)
  InstallationMedia: Ubuntu 24.04.3 LTS "Noble Numbat" - Release amd64 (20250805.1)
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   XDG_RUNTIME_DIR=<set>
  SourcePackage: gnome-session
  UpgradeStatus: Upgraded to questing on 2025-10-07 (1 days ago)

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