[Bug 107571] New: Impossible to make the screen black

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107571

            Bug ID: 107571
           Summary: Impossible to make the screen black
           Product: xorg
           Version: 7.7 (2012.06)
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/intel
          Assignee: chris at chris-wilson.co.uk
          Reporter: texou at accelibreinfo.eu
        QA Contact: intel-gfx-bugs at lists.freedesktop.org

Created attachment 141094
  --> https://bugs.freedesktop.org/attachment.cgi?id=141094&action=edit
Shell sript to black the screen

Hi,

Attached is a script I have used for a long to make the screen black when I
dont need to have it (because I dont use the computer and listen to music, or
whatever). Blind people use it because they can save battery making the screen
black.

The problem now is that the script does not seem to work properly without
reasons. The situation has changed for some weeks. While it should black the
screen immediately, it does not. To have a black screen, I need to do
alt-ctrl-f1, then alt-f7. However, when I run the script while the screen is
black, it is lighted again immediately.

This script uses xrandr. The output is here:
Before script: http://paste.debian.net/1037969
After the script: http://paste.debian.net/1037970
After alt-ctrl-f1 then alt-f7 (black screen):
http://paste.debian.net/1037971

Best regards

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