https://bugs.kde.org/show_bug.cgi?id=499852
Bug ID: 499852
Summary: Black screen after waking from suspend-then-hibernate
Classification: Plasma
Product: plasmashell
Version: 6.3.0
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Screen locking
Assignee: plasma-b...@kde.org
Reporter: kimibl...@icloud.com
Target Milestone: 1.0
SUMMARY
On Arch Linux with NVIDIA 570 driver, suspend works but suspend-then-hibernate
doesn't. A black screen with cursor blinking occurs. Switching TTY (usually tty
3) bring the desktop back.
STEPS TO REPRODUCE
1. Run systemctl suspend-then-hibernate
2. Wake up the system
3. Black screen until switching tty
OBSERVED RESULT
Black screen
EXPECTED RESULT
Screen locker comes up
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch
KDE Plasma Version: 6.3.0
KDE Frameworks Version: 6.10.0
Qt Version: 6.8.2
ADDITIONAL INFORMATION
Name : nvidia-open
Version : 570.86.16-5
Description : NVIDIA open kernel modules
There are some relevant logs while exiting suspend:
```
Feb 12 11:55:42 kimiblocks-workstation kscreenlocker_greet[13335]:
qt.qpa.wayland: Could not create EGL surface (EGL error 0x3003)
Feb 12 11:55:42 kimiblocks-workstation kscreenlocker_greet[13335]:
qt.qpa.wayland: Could not create EGL surface (EGL error 0x3003)
Feb 12 11:55:42 kimiblocks-workstation kscreenlocker_greet[13335]: Failed to
write to the pipe: Bad file descriptor.
Feb 12 11:55:42 kimiblocks-workstation plasmashell[5361]: The cached device
pixel ratio value was stale on window update. Please file a QTBUG which
explains how to reproduce.
Feb 12 11:55:43 kimiblocks-workstation chronyd[4650]: Can't synchronise: no
majority
Feb 12 11:55:45 kimiblocks-workstation kwin_wayland[5184]: kwin_core: Cannot
grant a token to KWin::ClientConnection(0x58f319cc4ff0)
```
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