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Bug#798811: marked as done (x11-xserver-utils xrandr: shows display in connected state after disconnecting it with --off option)

Your message dated Sun, 13 Sep 2015 14:27:07 +0200
with message-id <20150913122707.GS3107@betterave.cristau.org>
and subject line Re: Bug#798811: x11-xserver-utils xrandr: shows display in connected state after disconnecting it with --off option
has caused the Debian Bug report #798811,
regarding x11-xserver-utils xrandr: shows display in connected state after disconnecting it with --off option
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
798811: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=798811
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: x11-xserver-utils
Version: 7.7+5


Kernel: 4.2.0
Arch: amd64


The xrandr query command shows a display that had been disconnected with:

xrandr --output LVDS-1  --off
as still being connected. My host has an LCD display (LVDS-1) and an external monitor (VGA-1). Starting with both connected: 


> xrandr
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192
LVDS-1 connected 1600x900+0+0 (normal left inverted right x axis y axis) 345mm x 194mm 
   1600x900      59.98*+
   1152x864      59.96
   1024x768      59.92
   800x600       59.86
   640x480       59.38
   720x400       59.55
   640x400       59.95
   640x350       59.77
DP-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
eDP-1 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
VGA-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 510mm x 287mm 
   1920x1080     60.00*+
   1680x1050     59.95
   1280x1024     60.02
   1440x900      59.89
   1280x720      60.00
   1024x768      60.00
   800x600       60.32
   640x480       60.00
   720x400       70.08
Both displays are active and mirroring. After running "xrandr --output LVDS-1 --off" the LCD goes dark and the output now is: 

> xrandr
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192
LVDS-1 connected (normal left inverted right x axis y axis)


   1600x900      59.98 +
   1152x864      59.96
   1024x768      59.92
   800x600       59.86
   640x480       59.38
   720x400       59.55
   640x400       59.95
   640x350       59.77
DP-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
eDP-1 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
VGA-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 510mm x 287mm 
   1920x1080     60.00*+
   1680x1050     59.95
   1280x1024     60.02
   1440x900      59.89
   1280x720      60.00
   1024x768      60.00
   800x600       60.32
   640x480       60.00
   720x400       70.08
However it still indicates that LVDS-1 is "connected" and some apps I have tried (notably qiv, vlc and virtualbox guests) seem confused and believe fullscreen is still 1600x900 and NOT 1920x1080.
This may be pilot error, but I would have suspected that LVDS-1 should be "disconnected" and that apps should be completely unaware of its existence and not use its res as fullscreen.
--- End Message ---
--- Begin Message --- 
On Sun, Sep 13, 2015 at 02:52:38 -0500, S. R. Wright wrote:

> Package: x11-xserver-utils
> Version: 7.7+5
> 
> 
> Kernel: 4.2.0
> Arch: amd64
> 
> 
> The xrandr query command shows a display that had been disconnected with:
> 
> xrandr --output LVDS-1  --off
> 
> as still being connected.  My host has an LCD display (LVDS-1) and an
> external monitor (VGA-1).  Starting with both connected:
> 
--off doesn't disconnect, it disables an output.  Connected vs
disconnected is a physical state of "is a cable plugged in to a
monitor".  This is not a bug.

Cheers,
Julien

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