Bug 2229528 - RPi4 (aarch64) XFCE second login hangs at white screen
Summary: RPi4 (aarch64) XFCE second login hangs at white screen
Keywords:
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: xfwm4
Version: 38
Hardware: aarch64
OS: Linux
unspecified
urgent
Target Milestone: ---
Assignee: Kevin Fenzi
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2023-08-06 19:45 UTC by Lonni J Friedman
Modified: 2023-08-09 01:51 UTC (History)
2 users (show)

Fixed In Version:
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Description Lonni J Friedman 2023-08-06 19:45:37 UTC
I’m running Fedora38 on a Raspberry Pi 4 (aarch64), with XFCE and all updates (dnf up -y + reboot).

The first time logging into XFCE (with either LightDM or LXDE) works fine, zero issues. After logging out and/or rebooting and trying to log in a second time, it accepts my username & password, then goes to a white screen, with just the mouse pointer. No response to any mouse click events (left, right or middle), and after waiting an hour, it remains stuck at this white screen. If I manually blow away the config ( ~/.config ) then XFCE works fine again. Until the next attempt, when its broken all over again. I created a dummy user to test and it exhibits the same problem. Even root has the same problem (which should prove its not some weird permissions issue).

I’m not even changing or configuring anything during the first login. Login, immediately log out, login a second time, and its broken with the white screen again. There’s nothing in ~/.xsession-errors .

Reproducible: Always

Steps to Reproduce:
1.log into XFCE
2.log out of XFCE
3.log into XFCE

Actual Results:  
background is white, with only mouse pointer

Expected Results:  
normal XFCE desktop is running and usable

Comment 1 Kevin Fenzi 2023-08-09 01:26:16 UTC
Can you try and:

* login 
* logout and 'cp -a ~/.config/ ~/.config.sav'
* login and get the white screen
* attach the output of 'diff -Nur ~/.config.sav ~/.config'

Comment 2 Lonni J Friedman 2023-08-09 01:51:16 UTC
This is even more bizarre than originally described.  When I ran the commands that you requested, there was nothing returned from the diff (both ~/.config.sav ~/.config are identical).  However, in doing that, I realized that it seems that I have to both delete ~/.config and also reboot once it gets into the white screen of death state.  If I only do one of the two, the white screen persists.


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