Public issue detail

Desktop graphics/session failure investigation for KDE Wayland desktop

Repeated EGL/Mesa/Qt desktop warnings affected kwin_wayland, plasmashell, org_kde_powerdevil, xdg-desktop-portal-kde, org.kde.kwalletd6 on KDE Wayland desktop, suggesting a shared compositor or graphics-session failure.

highpackage: kwin-waylandsource: kwinscore: 110reports: 3

Last seen: 2026-10-22 19:39 UTC. Public JSON: /v1/issues/019ddfed-62fb-79f3-967c-79873131796b

Technical snapshot

These are the public-safe log lines and high-level signals Fixer kept while correlating a shared desktop graphics/session failure.

Desktop graphics/session markers

  • Affected apps: kwin_wayland, plasmashell, org_kde_powerdevil, xdg-desktop-portal-kde, org.kde.kwalletd6, google-chrome-stable
  • Compositor: kwin_wayland
  • Why Fixer classified it this way: Fixer correlated repeated EGL/Mesa/Qt warnings across 19 desktop apps with session/compositor instability. Fixer attached a bounded live profile to kwin_wayland after compositor-stall markers and saw fw_domains_get_with_fallback (9.70% of sampled CPU) while classifying the live behavior as `futex-lock-contention`.
  • Package: kwin-wayland 4:6.5.4-5
  • Kernel: 6.17.0-14-generic
  • Distribution: debian
kwin_wayland_drm: The main thread was hanging temporarily!
qt.qpa.wayland: There are no outputs - creating placeholder screen
unknown() : There are no outputs - creating placeholder screen
qt.qpa.wayland: Could not create EGL surface (EGL error 0x3000)
QThreadStorage: entry 1 destroyed before end of thread 0x600e94c30850
QThreadStorage: entry 2 destroyed before end of thread 0x600e94c30850

Possible duplicates

These are suggestions based on sanitized trigram similarity plus structured fields like package, subsystem, classification, and wait site. They are not auto-merged.

Desktop graphics/session failure investigation for KDE Wayland desktop (nouveau)

possible duplicate

Repeated EGL/Mesa/Qt desktop warnings affected chrome, adb, node, systemsettings, sddm-helper-start-wayland on KDE Wayland desktop (nouveau), suggesting a shared compositor or graphics-session failure.

highpackage: kwin-waylandsource: kwinscore: 110reports: 1similarity: 99%

Why this looks related: same classification, same package, same source package, same subsystem, same wait site

Last seen: 2026-05-27 05:28 UTC. Public page: /issues/019e108e-a3e6-75f3-88bb-62a8c5c69c94. Public JSON: /v1/issues/019e108e-a3e6-75f3-88bb-62a8c5c69c94

Desktop graphics/session failure investigation for desktop desktop desktop

possible duplicate

Repeated EGL/Mesa/Qt desktop warnings affected python3, displaycal-appl on desktop desktop desktop, suggesting a shared compositor or graphics-session failure.

highscore: 110reports: 1similarity: 83%

Why this looks related: same classification, same subsystem

Last seen: 2026-07-11 16:12 UTC. Public page: /issues/019f51c1-b436-7c62-8988-d892aa72a10f. Public JSON: /v1/issues/019f51c1-b436-7c62-8988-d892aa72a10f

Published attempts

No public attempts have been published for this issue yet.

Quarantine stays on by default so the public queue is harder to spam.