https://bugs.kde.org/show_bug.cgi?id=490720
Bug ID: 490720
Summary: [wayland] screen connected to dock do not turn on when
waking the laptop and then connecting the dock
Classification: Plasma
Product: kwin
Version: 6.1.3
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: multi-screen
Assignee: kwin-bugs-n...@kde.org
Reporter: o...@geek.co.il
Target Milestone: ---
Created attachment 171933
--> https://bugs.kde.org/attachment.cgi?id=171933&action=edit
system log from the system waking up
SUMMARY
After reconnecting the dock (Dell Thunderbolt WD22TB4), DisplayPort screens
remain off and have to be manually turned on using the Display Configuration
KCM.
STEPS TO REPRODUCE
1. With both dock-connected DisplayPort screens on and configured properly,
disconnected thunderbolt dock.
2. Put computer to sleep by closing the lid, and wait a minute for the suspend
process to complete.
3. Open the lid and wait for the computer to wake up, but do not unlock the
screen.
4. Connect dock's Thunderbolt cable.
OBSERVED RESULT
External screens stay off.
EXPECTED RESULT
External screens should turn on and present the original configuration.
SOFTWARE/OS VERSIONS
Operating System: KDE neon Testing Edition
KDE Plasma Version: 6.1.3
KDE Frameworks Version: 6.5.0
Qt Version: 6.7.0
Kernel Version: 6.5.0-44-generic (64-bit)
Graphics Platform: Wayland
Processors: 20 × 12th Gen Intel® Core™ i7-12700H
Memory: 31.0 GiB of RAM
Graphics Processor: Mesa Intel® Graphics
ADDITIONAL INFORMATION
In the system log I get these errors immediately on wake up:
---8<---
Jul 23 20:08:13 vesho plasmashell[62505]:
[311552:311596:0723/200813.343154:ERROR:vulkan_swap_chain.cc(431)]
vkAcquireNextImageKHR() hangs.
Jul 23 20:08:13 vesho plasmashell[62505]:
[311552:311623:0723/200813.343297:ERROR:vulkan_swap_chain.cc(431)]
vkAcquireNextImageKHR() hangs.
Jul 23 20:08:13 vesho plasmashell[62505]:
[311552:311624:0723/200813.349917:ERROR:vulkan_swap_chain.cc(431)]
vkAcquireNextImageKHR() hangs.
Jul 23 20:08:13 vesho plasmashell[62505]:
[311552:311594:0723/200813.346125:ERROR:vulkan_swap_chain.cc(431)]
vkAcquireNextImageKHR() hangs.
Jul 23 20:08:13 vesho plasmashell[62505]:
[311552:311552:0723/200813.352633:ERROR:gpu_service_impl.cc(1125)] Exiting GPU
process because some drivers can't recover from errors. GPU process will
restart shortly.
---8<---
Then a few messages like this, as the dock connects:
---8<---
Jul 23 20:08:22 vesho kwin_wayland[3688]: kwin_wayland_drm: failed to open drm
device at ""
---8<---
but nothing much else.
Attached system log from the wake up process.
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