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Bug 1952748

Summary:	SDDM never shows login with kde spin on fbdev
Product:	[Fedora] Fedora	Reporter:	Jeremy Linton <jeremy.linton>
Component:	sddm	Assignee:	Martin Bříza <m>
Status:	NEW ---	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	34	CC:	jgrulich, kde-sig, me, m, pierluigi.fiorini, pwhalen, rdieter
Target Milestone:	---
Target Release:	---
Hardware:	aarch64
OS:	Unspecified
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Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	Bug
Regression:	---	Mount Type:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	245418

Description Jeremy Linton 2021-04-23 03:24:41 UTC

Description of problem: I just spun up the latest F34 kde spin disk image on a rpi4 running the PFTF UEFI firmware for the rpi4. The image starts, I can set the root password, network, etc and then it says everything has started successfully but the screen never appears to start wayland/X11 or SDDM. Instead i'm left with just a blank screen and a flashing cursor. Changing to another vt, doesn't show anything of note in the logs other than that sddm has successfully started. I can jump through some hoops and startkde it, but the startplasma-wayland/X11 won't by themselves start it.

installing gdm and switching it on as the displaymanager rather than sddm allows me to boot, login and use KDE. Although I don't see the wayland options in gdm, probably because i'm missing something, the only optin is "Plasma (X11)"

I'm actually a pretty heavy user of KDE, on aarch64, but rarely since the master of seat issue that I pointed out a while back have I tried debugging SDDM. This is vaguely reminiscent of that since I again am running on a dumb frame buffer.

So any requests?

Version-Release number of selected component (if applicable): sddm-0.19.0-8.fc34.aarch64

How reproducible: Every boot.

Steps to Reproduce:
1. Grab aarch64 install image, write it to a USB disk, plug it into a rpi4 using the PFTF UEFI on the sd card. https://github.com/pftf/RPi4/releases
2. power on machine, do initial machine setup
3. wait for graphical login

Actual results: Blank screen flashing cursor.

Expected results: Pretty sddm login.

Additional info: Now that I'm using it a bit there are a couple abrt cores in comming.