Bug 399215

Summary: Logged out of system with klauncher error when connecting external display.
Product: [Frameworks and Libraries] frameworks-kinit Reporter: Konstantin Popov <konstantin.popov.89>
Component: generalAssignee: David Faure <faure>
Status: RESOLVED FIXED    
Severity: normal CC: benaventeadrian, christoph, kdelibs-bugs-null, konstantin.popov.89
Priority: NOR    
Version First Reported In: 5.48.0   
Target Milestone: ---   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: Stack trace.

Description Konstantin Popov 2018-09-29 15:13:29 UTC
Created attachment 115307 [details]
Stack trace.

SUMMARY
On connection external display using HDMI (the port is connected to DIS Radeon video card) an error message about klauncher fail appears and login screen is displayed. Logging in is impossible (the screen appears again) until the s

STEPS TO REPRODUCE
1. Connect external display using HDMI.
2. 
3. 

OBSERVED RESULT
Dropped to login screen and bug information windows shown.

EXPECTED RESULT
No logout.

SOFTWARE VERSIONS
(available in About System)
KDE Plasma Version: 5.13.4
KDE Frameworks Version: 5.48.0
Qt Version: 5.11.1

ADDITIONAL INFORMATION
Comment 1 benaventeadrian 2021-07-14 22:50:02 UTC
Probably related, I have the same problem when trying to login to a X11 session with an external display plugged in. I'm always returned to SDDM after a few seconds. The display is connected to a Displaylink USB to HDMI adapter.
Comment 2 Christoph Cullmann 2023-07-03 21:42:08 UTC
This is a Qt error, please update to the latest 5.15 release.