Bug 421284

Summary:	Unable to wake from suspension
Product:	[Plasma] kwin	Reporter:	detommasotommaso
Component:	compositing	Assignee:	KWin default assignee <kwin-bugs-null>
Status:	RESOLVED UNMAINTAINED
Severity:	normal
Priority:	NOR
Version First Reported In:	5.18.5
Target Milestone:	---
Platform:	Manjaro
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description detommasotommaso 2020-05-10 15:06:28 UTC

SUMMARY
When waking up from suspension, screen stays black, no mouse pointer, no tty...
Everything is unresponsive, even CTRL+ALT+DEL that should directly tell the kernel to reboot...
If the compositor is turned off, the PC won't even go into suspension, but becomes unresponsive before suspending.
If the compositor is on and set on xrender, everything works.

STEPS TO REPRODUCE
1. Suspend your PC
2. Wake it from suspension
3. Enjoy!

OBSERVED RESULT
PC is unresponsive with a backlit black screen.

EXPECTED RESULT
PC is responsive and woken from suspension.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 5.18.5
KDE Frameworks Version: 5.69.0
Qt Version: 5.14.2

ADDITIONAL INFORMATION
Kernel: 5.6.10-3-MANJARO

Hardware info
Is a laptop: yes (Lenovo IDEAPAD S340-15API)
CPU: AMD Ryzen 5 3500U
GPU: iGPU AMD Radeon Vega 8 Mobile

Comment 1 David Edmundson 2023-09-06 10:38:34 UTC

This bug was reported against an outdated version of KWin. We have made many changes since the. 
If the issue persists in newer versions can you reopen the bug report updating the version number.