Bug 494899 - After update to Plasma 6.2, black screen with cursor after boot-up or screen unlock until switching TTYs with DDC active
Summary: After update to Plasma 6.2, black screen with cursor after boot-up or screen ...
Status: REPORTED
Alias: None
Product: plasmashell
Classification: Plasma
Component: Power management & brightness (show other bugs)
Version: 6.2.0
Platform: Arch Linux Linux
: NOR normal
Target Milestone: 1.0
Assignee: Plasma Bugs List
URL:
Keywords: regression
: 495012 495456 (view as bug list)
Depends on:
Blocks:
 
Reported: 2024-10-17 00:09 UTC by garybig
Modified: 2024-12-18 21:32 UTC (History)
6 users (show)

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Latest Commit:
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Description garybig 2024-10-17 00:09:39 UTC 
SUMMARY
DDCUTIL, powerdevil, plasma-desktop ISSUE ?

STEPS TO REPRODUCE
1. start up EndeavourOS or CachyOS with recent Plasma 6.2 update
2. boots up, gets to plasma desktop, goes to black screen
3. if I open up terminal with CTL-ALT #, and return to plasma-desktop with CTL-ALT# :   NORMAL plasma desktop

OBSERVED RESULT
black screen

EXPECTED RESULT
plasma desktop

SOFTWARE/OS VERSIONS
current

Linux/KDE Plasma: 
KDE Plasma Version: 6.2

ADDITIONAL INFORMATION

Lenovo Legion T5 26ARA8
AMD Ryzen 7 7700
Radeon RX 6600
samsung s32ag55 monitor
Comment 1 Nate Graham 2024-11-08 22:23:30 UTC 
Is this seen on both X11 and Wayland, or only one?
Comment 2 Nate Graham 2024-11-08 22:27:04 UTC 
*** Bug 495191 has been marked as a duplicate of this bug. ***
Comment 3 Nate Graham 2024-11-08 22:40:09 UTC 
*** Bug 495607 has been marked as a duplicate of this bug. ***
Comment 4 Nate Graham 2024-11-08 22:47:32 UTC 
*** Bug 495012 has been marked as a duplicate of this bug. ***
Comment 5 Nate Graham 2024-11-08 22:55:36 UTC 
From other bug reports reported by the same person, it affects the system with Powerdebil 6.2 0r later with DDC active.
Comment 6 Nate Graham 2024-11-11 22:25:21 UTC 
*** Bug 495456 has been marked as a duplicate of this bug. ***
Comment 7 garybig 2024-11-27 17:37:48 UTC 
STILL a bug in powerdevil 6.2.4

same fault, still a bug --  Hello?