https://bugs.kde.org/show_bug.cgi?id=400336
Bug ID: 400336
Summary: Black with visible cursor when undocking from
thunderbolt dock
Product: kwin
Version: 5.13.5
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: platform-x11-standalone
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
When undocking with laptop lid closed it will make laptop show black screen
with cursor.
Current environment: Lenovo T480s with thunderbolt 3 dock. 2 external monitors.
Laptop lid closed/disabled laptop display.
STEPS TO REPRODUCE
1. Be connected to dock with two external monitors.
2. Undock with closed laptop lid/disabled laptop display.
3. See black screen with cursor when opening laptop lid.
OBSERVED RESULT
Black screen with movable cursor.
EXPECTED RESULT
See desktop and go about as normal.
SOFTWARE VERSIONS
(available in About System)
KDE Plasma Version: 5.13.5
KDE Frameworks Version: 5.48.0
Qt Version: 5.11.1
ADDITIONAL INFORMATION
OS: Fedora 28 (Twenty Eight) x86_64
Host: 20L8S2N812 ThinkPad T480s
Kernel: 4.18.16-200.fc28.x86_64
Shell: bash 4.4.23
DE: KDE
WM: KWin
$ lspci -kv -s 00:02.0
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 620 (rev 07)
(prog-if 00 [VGA controller])
Subsystem: Lenovo Device 2258
Flags: bus master, fast devsel, latency 0, IRQ 125
Memory at eb000000 (64-bit, non-prefetchable) [size=16M]
Memory at a0000000 (64-bit, prefetchable) [size=256M]
I/O ports at e000 [size=64]
[virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: i915
Kernel modules: i915
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