Bug 2251988
| Summary: | SDDM can't start if DisplayServer=x11 override is present | ||
|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Yevhen Popok <xalt7x.service> |
| Component: | sddm | Assignee: | Neal Gompa <ngompa13> |
| Status: | CLOSED EOL | QA Contact: | Fedora Extras Quality Assurance <extras-qa> |
| Severity: | medium | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 40 | CC: | aleixpol, jgrulich, kde-sig, m, nate, ngompa13, pierluigi.fiorini, rdieter |
| Target Milestone: | --- | Keywords: | Desktop, Upgrades |
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2025-05-16 07:48:10 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
Unfortunately, I can't do much about this right now. While KDE Plasma and Sway spins both use SDDM in Wayland mode, the LXQt spin still uses SDDM in X11 mode for now. It looks like upstream SDDM does not believe it should do anything in the event an X server is not installed, so I will likely have to come up with some kind of downstream fix for this... This bug appears to have been reported against 'rawhide' during the Fedora Linux 40 development cycle. Changing version to 40. This message is a reminder that Fedora Linux 40 is nearing its end of life. Fedora will stop maintaining and issuing updates for Fedora Linux 40 on 2025-05-13. It is Fedora's policy to close all bug reports from releases that are no longer maintained. At that time this bug will be closed as EOL if it remains open with a 'version' of '40'. Package Maintainer: If you wish for this bug to remain open because you plan to fix it in a currently maintained version, change the 'version' to a later Fedora Linux version. Note that the version field may be hidden. Click the "Show advanced fields" button if you do not see it. Thank you for reporting this issue and we are sorry that we were not able to fix it before Fedora Linux 40 is end of life. If you would still like to see this bug fixed and are able to reproduce it against a later version of Fedora Linux, you are encouraged to change the 'version' to a later version prior to this bug being closed. Fedora Linux 40 entered end-of-life (EOL) status on 2025-05-13. Fedora Linux 40 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora Linux please feel free to reopen this bug against that version. Note that the version field may be hidden. Click the "Show advanced fields" button if you do not see the version field. If you are unable to reopen this bug, please file a new report against an active release. Thank you for reporting this bug and we are sorry it could not be fixed. |
SDDM fails to start if it's config has an override to force X11 /etc/sddm.conf.d/force_x11.conf [General] DisplayServer=x11 journalctl -u sddm.service shows such errors: Nov 28 22:37:45 test systemd[1]: Started sddm.service - Simple Desktop Display Manager. Nov 28 22:37:45 test sddm[1471]: Failed to start display server process. Nov 28 22:37:45 test sddm[1471]: Attempt 1 starting the Display server on vt 2 failed Nov 28 22:37:47 test sddm[1471]: Tried to start Xorg before previous instance exited Nov 28 22:37:47 test sddm[1471]: Attempt 2 starting the Display server on vt 2 failed Nov 28 22:37:49 test sddm[1471]: Tried to start Xorg before previous instance exited Nov 28 22:37:49 test sddm[1471]: Attempt 3 starting the Display server on vt 2 failed Override to force X11 mode was useful in cases when Wayland mode caused problems (for example performance issues with legacy proprietary nvidia-470 driver). Reproducible: Always Steps to Reproduce: 1.Set an override "DisplayServer=x11" for SDDM printf '[General]\nDisplayServer=x11\n' | sudo tee /etc/sddm.conf.d/force_x11.conf 2.Restart sddm.service Actual Results: SDDM tries to use X11 mode and fails to start Expected Results: SDDM ignores override when operating system doesn't support X11 Upstream bugreport: https://github.com/sddm/sddm/issues/1835