Bug 2440367

Summary: Anaconda crashes if org.freedesktop.ScreenSaver inhibit API isn't available (using wrong API for Wayland)
Product: [Fedora] Fedora Reporter: Neal Gompa <ngompa13>
Component: anacondaAssignee: Martin Kolman <mkolman>
Status: MODIFIED --- QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: unspecified    
Version: 44CC: alpha, anaconda-maint, awilliam, kkoukiou, mkolman, w
Target Milestone: ---Keywords: Reopened
Target Release: ---   
Hardware: Unspecified   
OS: Linux   
URL: https://koji.fedoraproject.org/koji/buildinfo?buildID=2941183
Whiteboard: AcceptedFreezeException
Fixed In Version: anaconda-44.24-1.fc45 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-03-04 20:04:50 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:
Bug Depends On:    
Bug Blocks: 2362358    
Attachments:
Description Flags
Screenshot showing the crash none

Description Neal Gompa 2026-02-17 14:02:03 UTC 
While working on the Fedora MiracleWM transition to Dank Material Shell, I discovered that Anaconda will crash if the org.freedesktop.ScreenSaver inhibit API is not available.

This is not guaranteed to be available on Wayland, as the replacement API is the wayland protocol idle-inhibit-unstable-v1: https://wayland.app/protocols/idle-inhibit-unstable-v1

On Wayland, it should attempt to grab an inhibitor using the Wayland protocol (but not crash if it can't, because no inhibit support means no screens turning off anyway).

Reproducible: Always

Steps to Reproduce:
1. Download Fedora MiracleWM 44 20260216.0 ISO
2. Boot and open foot
3. Run liveinst

Actual Results:
Crashes on fdo screensaver API

Expected Results:
Does not crash and launches Anaconda properly
Comment 1 Neal Gompa 2026-02-17 14:04:21 UTC 
Created attachment 2129747 [details]
Screenshot showing the crash

Attached is a screenshot showing the crash on a Rawhide image (it also occurs on F44).
Comment 2 Fedora Blocker Bugs Application 2026-02-17 14:36:30 UTC 
Proposed as a Freeze Exception for 44-beta by Fedora user ngompa using the blocker tracking app because:

 Anaconda crashing if there's no legacy org.fdo.ScreenSaver interface is not great for Wayland spins that don't have this.
Comment 3 Adam Williamson 2026-02-18 20:29:13 UTC 
+3 in https://pagure.io/fedora-qa/blocker-review/issue/2039 , marking accepted.
Comment 4 Fedora Update System 2026-03-04 15:53:39 UTC 
FEDORA-2026-41441b0893 (anaconda-44.24-1.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-41441b0893
Comment 5 Fedora Update System 2026-03-04 20:04:50 UTC 
FEDORA-2026-41441b0893 (anaconda-44.24-1.fc45) has been pushed to the Fedora 45 stable repository.
If problem still persists, please make note of it in this bug report.
Comment 6 Adam Williamson 2026-03-05 00:40:29 UTC 
Re-opening as this is filed against F44 and is a Beta FE. There's no F44 update yet AFAICS.
Comment 7 Fedora Update System 2026-03-05 07:00:39 UTC 
FEDORA-2026-67b29f6e77 (anaconda-44.24-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-67b29f6e77