https://bugs.kde.org/show_bug.cgi?id=361704
Bug ID: 361704
Summary: window on external screen disappears when hibernating
with external screen connected and resuming when it is
not connected
Product: kwin
Version: 5.5.4
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: mar...@lichtvoll.de
I have KMail and Konsole and other apps on external screen. I hibernate the
laptop. Next morning I resume it at work, without external screen connected
(cause I hold a training where I don´t have one for the laptop). KMail window
is gone. Konsole window is gone.
Reproducible: Always
Steps to Reproduce:
1. Open an application window on external screen.
2. Hibernate.
3. Disconnect external screen
4. Resume
Actual Results:
I had KMail and konsole window on external screen.
KMail window gone. It is visible on the laptop screen in any activity. It is
not even in window bar in control panel. Process still running.
Same with Konsole except process not running anymore.
Akregator which was on laptop screen at the time of hibernation still is
displayed correctly.
kscreen seems to have recognized properly that external screen is gone. At
least it is not displayed anymore in systemsettings. xrandr also only lists
laptop screen.
Expected Results:
Windows that were on the external screen are relocated to the internal screen
when the external screen is not available anymore.
Basic rule for all of this: A window is always visible or minimized and can be
made visible. Never ever a window is not accessible as long as at least *one*
display is working.
kwin from Debian Experimental 4:5.5.4-2 on Debian Sid/Experimental. Qt 5.5.1.
system and xrandr info, for now without external display connected:
martin@merkaba:~> phoronix-test-suite system-info
Phoronix Test Suite v5.2.1
System Information
Hardware:
Processor: Intel Core i5-2520M @ 3.20GHz (4 Cores), Motherboard: LENOVO
42433WG, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 16384MB, Disk:
300GB INTEL SSDSA2CW30 + 480GB Crucial_CT480M50, Graphics: Intel HD 3000
(1300MHz), Audio: Conexant CX20590, Monitor: P24T-7 LED, Network: Intel 82579LM
Gigabit Connection + Intel Centrino Advanced-N 6205
Software:
OS: Debian unstable, Kernel: 4.6.0-rc2-tp520-btrfstrim+ (x86_64), Desktop: KDE
Frameworks 5, Display Server: X Server 1.18.3, Display Driver: intel 2.99.917,
OpenGL: 3.3 Mesa 11.1.2, Compiler: GCC 5.3.1 20160409, File-System: btrfs,
Screen Resolution: 1920x1080
martin@merkaba:~> xrandr
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192
LVDS1 connected primary 1920x1080+0+0 (normal left inverted right x axis y
axis) 344mm x 193mm
1920x1080 60.00*+ 59.93 50.00
1680x1050 59.95 59.88
1600x1024 60.17
1400x1050 59.98
1280x1024 60.02
1440x900 59.89
1280x960 60.00
1360x768 59.80 59.96
1152x864 60.00
1024x768 60.00
800x600 60.32 56.25
640x480 59.94
VGA1 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
DP1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
HDMI3 disconnected (normal left inverted right x axis y axis)
DP2 disconnected (normal left inverted right x axis y axis)
DP3 disconnected (normal left inverted right x axis y axis)
I am tempted to classify this as critical, cause making an application window
inaccessible could be a reason for data loss. Yet, one usually can still send
it a TERM signal and I´d hope it would prompt for any unsaved work to be saved
on the internal screen then. So leaving as normal for now.
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