Public bug reported:
System:
- Kubuntu 26.04 LTS
- Plasma 6.6.5
- Wayland
- AMD Radeon RX 7600
Problem:
plasmashell sometimes crashes immediately after logging into a Wayland session.
Expected result:
The Plasma desktop should start normally.
Actual result:
plasmashell crashes with SIGSEGV. Sometimes it is restarted automatically,
sometimes the desktop is incomplete until plasmashell is started again.
Additional information:
The crash is random and does not happen on every login.
ubuntu-bug collected the crash data automatically.
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: plasma-workspace 4:6.6.5-0ubuntu0.1
ProcVersionSignature: Ubuntu 7.0.0-28.28-generic 7.0.12
Uname: Linux 7.0.0-28-generic x86_64
ApportVersion: 2.34.1-0ubuntu0.1
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Fri Jul 31 13:49:19 2026
InstallationDate: Installed on 2026-07-28 (3 days ago)
InstallationMedia: Kubuntu 26.04 "Resolute Raccoon" - Release amd64 (20260423)
SourcePackage: plasma-workspace
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: plasma-workspace (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
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https://bugs.launchpad.net/bugs/2162563
Title:
Random plasmashell crash after login on Wayland
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