[Bug 103383] New: "xset dpms force on" does not unblank laptop screen after "xset dpms force off" is run (or system enters sleep mode)

* [Bug 103383] New: "xset dpms force on" does not unblank laptop screen after "xset dpms force off" is run (or system enters sleep mode)
@ 2017-10-21  6:32 bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
       [not found] ` <bug-103383-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
  0 siblings, 1 reply; 5+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2017-10-21  6:32 UTC (permalink / raw)
  To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW

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https://bugs.freedesktop.org/show_bug.cgi?id=103383

            Bug ID: 103383
           Summary: "xset dpms force on" does not unblank laptop screen
                    after "xset dpms force off" is run (or system enters
                    sleep mode)
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: techau-sFbbPxZDHXw0n/F98K4Iww@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

Created attachment 134966
  --> https://bugs.freedesktop.org/attachment.cgi?id=134966&action=edit
dmesg-xorg.log

Hi all,

Graphics Card: NVIDIA GTX 1060 
nouveau driver: 1.0.15
Xorg version: 1.19.3
dmesg.log and Xorg.0.log attached.
Distribution: XUbuntu 17.10 (the only one that I know of that includes updated
nouveau drivers that support my laptop's graphics card)
File: dmesg-xorg.log 0 xorg log starts on line 1116.

I have been chasing this for a few days and I finally managed to successfully
reproduce the issue consistently.

I have a 3-ple screen system - Laptop Display + HDMI + DP (set to mirroring). 

When the screens are asked to blank by using the "xset dpms force off" command
and when you press a key on the keyboard to unblank them, only the HDMI and the
DP screens get unblanked and the laptop screen remains off / blanked out. 

This is a major pain as the laptop is right in front of me as my main display . 

I've tried: 

- Running "xset dpms force on" 
- Running "sudo systemctl stop lightdm" and then "sudo systemctl start lightdm" 
- Entering the console via "Ctrl+Alt+F1" and then "Ctrl+Alt+F7" 

but my laptop screen remains off. Only a full reboot resolves the issue. 

I can confirm that this does *not* happen with the proprietary NVIDIA drivers
(v384).

To reproduce the issue:

- Either wait for Xfce to blank the displays after 5-10 minutes or
- Enter the command "xset dpms force off" via the terminal
- Hit a key to wake up the displays and the laptop screen remains off

The issue also happens when Live ISOs boot to Xorg where the laptop screens
remains turned off. 

Something interesting I found in dmesg, not sure if this is related:

[   35.439645] nouveau 0000:01:00.0: disp: 0x0000643b[0]:
INIT_GENERIC_CONDITON: unknown 0x07
[   36.965444] nouveau 0000:01:00.0: disp: 0x00005fcc[2]:
INIT_GENERIC_CONDITON: unknown 0x07

I hope this can be resolved.

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