Bug 400336 - Black with visible cursor when undocking from thunderbolt dock
Summary: Black with visible cursor when undocking from thunderbolt dock
Status: RESOLVED WORKSFORME
Alias: None
Product: kwin
Classification: Plasma
Component: platform-x11-standalone (show other bugs)
Version: 5.13.5
Platform: Fedora RPMs Linux
: NOR crash
Target Milestone: ---
Assignee: KWin default assignee
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2018-10-26 13:35 UTC by Eric Gustavsson
Modified: 2021-01-04 11:30 UTC (History)
1 user (show)

See Also:
Latest Commit:
Version Fixed In:
Sentry Crash Report:


Attachments

Note You need to log in before you can comment on or make changes to this bug.
Description Eric Gustavsson 2018-10-26 13:35:02 UTC
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
Comment 1 Martin Flöser 2018-10-26 18:29:40 UTC
Please provide the output of qdbus org.kde.KWin /KWin supportInformation
Comment 2 Eric Gustavsson 2018-10-29 09:25:11 UTC
Hi Martin, see https://paste.kde.org/pfbij5yqt
Comment 3 Justin Zobel 2020-12-07 04:12:34 UTC
Thank you for the report.

As it has been a while since this was reported, can you please test and confirm if this issue is still occurring or if this bug report can be marked as resolved.

I have set the bug status to "needsinfo" pending your response, please change back to "reported" or "resolved/worksforme" when you respond, thank you.
Comment 4 Bug Janitor Service 2020-12-22 04:34:45 UTC
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!
Comment 5 Eric Gustavsson 2021-01-04 11:30:16 UTC
Hi!

I've moved to a T490s and am now using a thunderbolt hub instead of a dock. I presume the two are different in how they operate.

Since no one else has commented I will presume it's fixed, I can't add more info as I don't have the T480s anymore