https://bugs.kde.org/show_bug.cgi?id=523285
--- Comment #3 from Oleksandr <[email protected]> --- Clarification: there is no crash, so no backtrace or coredump exists. - coredumpctl list plasmalogin-helper → "No coredumps found" - systemctl status plasmalogin after reproduction shows the service active (running), started cleanly (ExecStartPre → code=exited, status=0/SUCCESS) The summary described the recovery state, not the defect (I have since renamed it). The actual bug: - Restarting plasmalogin.service leaves a black screen on the active VT. - The greeter does start, but only renders on a secondary VT (reachable via Ctrl+Alt+F2). - Switching back to the original VT returns to the black screen; it is never reclaimed. So the greeter process starts correctly but never takes over the active VT after a service restart. This is a VT/session-handoff issue, not a crash, which is why the standard backtrace workflow does not apply. See the attached file plasmalogin-crash.log for the full journal from a clean reproduction (fresh boot, then systemctl restart plasmalogin). The relevant lines: лип 21 13:09:55 plasmalogin[1804]: Auth: plasmalogin-helper exited with 255 лип 21 13:10:01 plasmalogin[6475]: Auth: plasmalogin-helper exited with 64 лип 21 13:10:01 plasmalogin-helper[6817]: pam_unix(plasmalogin-greeter:session): session opened for user plasmalogin лип 21 13:10:02 plasmalogin-helper[6817]: Starting Wayland user session: ".../startplasma-login-wayland" лип 21 13:10:40 plasmalogin-helper[7210]: pam_unix(plasmalogin:session): session opened for user admin лип 21 13:10:40 plasmalogin-helper[7210]: Starting Wayland user session: ".../startplasma-wayland" лип 21 13:10:45 plasmalogin[6475]: Auth: plasmalogin-helper exited with 255 plasmalogin-helper exits 255 on the restart/teardown path and again at 13:10:45, with a 64 in between - all clean error exits, no signal, no coredump. The greeter session and my subsequent login (13:10:40, on the F2 VT) open normally, so authentication and session startup work; the failure is around the helper's exit / VT handoff. Environment: Wayland session, AMD (amdgpu, RX 6800 XT), plasma-workspace 6.7.2 (Nobara/Fedora 44). plasma-workspace debuginfo is installed. Since nothing crashes there is no coredump to capture, but I am happy to enable verbose plasmalogin logging if you tell me which categories would help. Full untruncated log with complete PAM output attached to the bug as plasmalogin-crash.log. -- You are receiving this mail because: You are watching all bug changes.
