https://bugs.kde.org/show_bug.cgi?id=522942
Bug ID: 522942
Summary: Waking from suspend fails depending on display
configurations
Classification: KDE Neon
Product: neon
Version First unspecified
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected]
Target Milestone: ---
DESCRIPTION
When suspend to ram is enabled, waking the system via a keyboard input or mouse
input results in various levels of crashing depending upon the display
configuration. This is on an otherwise fresh installation of Neon using both
Plasma 6.7.0, and the Plasma 6.7.2 package set pushed out yesterday.
In my scenario I have a variable-refresh-rate display and a fixed-refresh rate
display and an AMD 6700 GPU. As this is a fresh installation, I'm using the
plasmalogin greeter rather than sddm.
STEPS TO REPRODUCE
1. Enabled suspend to RAM
2. Wait for the system to timeout and suspend the system
3. Attempt to wake the system by pressing the delete key on the keyboard
repeatedly.
OBSERVED RESULT
IF both displays are connected:
- Both displays wake up and show a completely black image (no cursors in the
corner). No prompts are presented. The system does not elicit any observable
response to key press events, including Ctrl-Alt-F# to switch to virtual
terminals.
- Upon force power cycling the system, and inspecting the output of the system
log `journalctl -b -1 --since="12 hours ago" "-- no entries --" is returned.
- On rare occasions both displays will wake up, but only the fixed refresh rate
display will function until the system is rebooted. The variable refresh rate
display will timeout as no display signal is received.
IF the fixed refresh rate display only is connected:
- Sometimes the system crashes similar to the above result. Other times the
system wakes up as expected and accepts a login.
IF the variable refresh rate display only is connected:
- Sometimes the system crashes similar to the above result. Other times the
system shows a black display, but shows the button wrappers and text for the
login prompt without any icons. Logging in yields a black desktop that can be
forcibly restarted by using the virtual terminals to restart the login manager.
EXPECTED RESULT
The system presents the login manager on both displays with a login wallpaper.
SOFTWARE/OS VERSIONS
Operating System (available in the Info Center app, or by running `kinfo` in a
terminal window):
KDE Plasma Version: 6.7.2 (also observed in 6.7.0)
KDE Frameworks Version: 6.28.0
Qt Version: 6.11.1
ADDITIONAL INFORMATION
Kernel Version: 6.17.0-35-generic
Graphics: Wayland, AMD 6700 XT
I haven't re-tested since the 6.7.2 update, but when this first occurred in
6.7.0 I was unable to even SSH into the system.
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