[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[Martin Steigerwald]

https://bugs.kde.org/show_bug.cgi?id=360563

Martin Steigerwald  changed:

   What|Removed |Added

 Resolution|WAITINGFORINFO  |WORKSFORME
 Status|NEEDSINFO   |RESOLVED

--- Comment #24 from Martin Steigerwald  ---
I did not see this in a very long time. Thus closing.

Alexey, feel free to reopen in case you still see this.

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[Justin Zobel]

https://bugs.kde.org/show_bug.cgi?id=360563

Justin Zobel  changed:

   What|Removed |Added

 Resolution|--- |WAITINGFORINFO
 Status|REPORTED|NEEDSINFO

--- Comment #23 from Justin Zobel  ---
Thank you for reporting this bug in KDE software. As it has been a while since
this issue was reported, can we please ask you to see if you can reproduce the
issue with a recent software version?

If you can reproduce the issue, please change the status to "CONFIRMED" when
replying. Thank you!

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[Simon Andric via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

Simon Andric  changed:

   What|Removed |Added

 CC||simonandr...@gmail.com

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[jamese via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

--- Comment #21 from jamese  ---
Created attachment 98055
  --> https://bugs.kde.org/attachment.cgi?id=98055=edit
output of kscreen-console bug when black screen is present

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[jamese via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

--- Comment #20 from jamese  ---
Created attachment 98051
  --> https://bugs.kde.org/attachment.cgi?id=98051=edit
Screenshot from this morning's resume

Plugged in DP cable and got all three screens with two panels on DP1-2 and one
on Laptop. Switch primary from laptop to DP1-1 and this was the result.

Laptop screen black, mouse can go into it, can drag application windows into
it. No right click context menu, can't drag widgets into it, can't create
widgets on it.

I get three notification messages in the systray, possibly related to the
original 3 panels.

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[jamese via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

--- Comment #19 from jamese  ---
Sorry, #356225, but I can't find a link to edit my comment to correct the typo.

I thought this sounded familiar and looking back through my bug list I found
#349482 which I resolved as a duplicate of #353975 as it was getting more
interest. This may be a duplicate of that?

Other thing worth noting is that I have two U2414H screens and Alexey's
screenshots show the same screen type. Mine are on an MST chain using
Displayport 1.2 - so DP cable from laptop to first screen (DP1-1) which has a
DP cable to the terminating screen (DP1-2)

All these issues happen for me when switching from multi-screen to laptop only
and back to multi-screen.

Last thing to note is that when I switch to runlevel 1 to rm
.local/share/kscreen/* and then kill SDDM after I have no desktop, the text 
from the shell is cloned perfectly onto all three screens.

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[Alexey Shildyakov via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

--- Comment #18 from Alexey Shildyakov  ---
(In reply to jamese from comment #17)
> Reading an unrelated issue #336225 it's possible that fixes for the various
> issues with KDE and multiple monitors is landing in 5.6 with fixes from Qt. 
> Can't be sure, though.

Are you sure with bug #336225 as it is about kaddressbook? 
What steps reproduce this bug (black screen)?

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[jamese via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

jamese  changed:

   What|Removed |Added

 CC||james.el...@gmail.com

--- Comment #17 from jamese  ---
This happens for me, using a DisplayPort connection as well running on an Intel
Iris Pro with the "intellinuxgraphics" drivers from intel.
I have to rm  the kscreen settings .local/share/kscreen/* and then kill sddm,
losing everything including running virtual machines and try to log in again.


Reading an unrelated issue #336225 it's possible that fixes for the various
issues with KDE and multiple monitors is landing in 5.6 with fixes from Qt. 
Can't be sure, though.

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[Martin Steigerwald via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

--- Comment #15 from Martin Steigerwald  ---
Alexey, okay, got confused by

4. The screen is modified. It copies current displayed image, moves it down
from top of monitor and fixed the image (system is still responsible and all
actoins and movements will be at top part of screen). I backuped the "kscreen"
directory as "kscreen.bad"

that didn´t sound like a black screen to me.

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[Alexey Shildyakov via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

--- Comment #14 from Alexey Shildyakov  ---
As I wrote above, the "kscreen.bad"

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[Martin Steigerwald via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

--- Comment #13 from Martin Steigerwald  ---
Okay. Thank you for the detailed description. Which ~/.local/share/kscreen in
your archive correspondends to the black screen on login state?

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[Martin Steigerwald via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

--- Comment #11 from Martin Steigerwald  ---
Alexey, I do not understand whether you are really seeing the *same* bug. Do
you have a *black* screen on session *login* with a certain kscreen
configuration?

If yes, thats the same bug.

If not, its likely a different bug and I kindly ask you to open a new bug
report instead of hijacking this one.

Thank you,
Martin

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[Alexey Shildyakov via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

--- Comment #10 from Alexey Shildyakov  ---
How to reproduce? Because in according to step 11 all works fine from that
point.

12. Unplug the laptop from second screen
13. Reboot it

and all goes from step 1 now.

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[Alexey Shildyakov via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

--- Comment #9 from Alexey Shildyakov  ---
Created attachment 98002
  --> https://bugs.kde.org/attachment.cgi?id=98002=edit
Step 9. After unified screen

seems the primary display now second (NOT gray in dropbox "laptop screen"). As
you can see, custom wallpapers doesn't work here. If laptop screen is closed,
the custom wallpapers will be appeared.

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[Alexey Shildyakov via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

--- Comment #8 from Alexey Shildyakov  ---
Created attachment 98001
  --> https://bugs.kde.org/attachment.cgi?id=98001=edit
Step 8. System Settings after enabled second monitor, removed kscreen dir

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[Alexey Shildyakov via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

--- Comment #7 from Alexey Shildyakov  ---
Created attachment 98000
  --> https://bugs.kde.org/attachment.cgi?id=98000=edit
Step 4. Copied and freezed image with small interacting part (that area is
green)

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[Alexey Shildyakov via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

--- Comment #6 from Alexey Shildyakov  ---
Created attachment 97999
  --> https://bugs.kde.org/attachment.cgi?id=97999=edit
Step 3. Enable second monitor

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[Alexey Shildyakov via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

--- Comment #5 from Alexey Shildyakov  ---
Created attachment 97998
  --> https://bugs.kde.org/attachment.cgi?id=97998=edit
Step 2. Open System settings

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[Alexey Shildyakov via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

--- Comment #4 from Alexey Shildyakov  ---
It reproduces on Ubuntu 14.04 LTS, 15.10 and 16 (dev)
Now I'm on 15.10 with kscreen-5.4.2-0ubuntu1 amd64

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[Alexey Shildyakov via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

--- Comment #3 from Alexey Shildyakov  ---
Created attachment 97997
  --> https://bugs.kde.org/attachment.cgi?id=97997=edit
~/.local/share/kscreen directory at three states

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[Alexey Shildyakov via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

Alexey Shildyakov  changed:

   What|Removed |Added

 CC||ashl1fut...@gmail.com

--- Comment #2 from Alexey Shildyakov  ---
I've the same issue try to explain it more.
The bug is reproducible every time for me.

1. Plug in second monitor
2. Open the System Settings -> Display and Monitor, the new attached screen is
disabled
3. Enable new display and press Apply.
4. The screen is modified. It copies current displayed image, moves it down
from top of monitor and fixed the image (system is still responsible and all
actoins and movements will be at top part of screen). I backuped the "kscreen"
directory as "kscreen.bad"
5. Logout the KDE session
6. Remove ~/.local/share/kscreen
7. Login again. I backuped "kscreen" directory at the moment as
"kscreen.immediate.after.bad.conf.removed"
8. Open System settings- -> Display and Monitor. The second screen is enabled
now.
9. Unifies screens
10. All is working now. I backuped "kscreen" directory at the moment as
"kscreen.bak"
11. Unplug and plug the second monitor now works fine.

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[Martin Steigerwald via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

--- Comment #1 from Martin Steigerwald  ---
Created attachment 97913
  --> https://bugs.kde.org/attachment.cgi?id=97913=edit
broken ~/.local/share/kscreen that led to black display

Fujitsu Siemens Computers GmbH-P24T-7 is home display connected via displayport
via Minidock.

Fujitsu Siemens Computers GmbH-P23T-6 is office display connected via
displayport to hdmi adapter.

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[KScreen] [Bug 360563] black screen on session restore until removing ~/.local/share/kscreen

[Martin Steigerwald via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360563

Martin Steigerwald  changed:

   What|Removed |Added

 CC||mar...@lichtvoll.de

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