[Bug 95058] When monitors sleep, backlights stay on, screen is black, and can't be woke up

[Bug 95058] When monitors sleep, backlights stay on, screen is black, and can't be woke up

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=95058

            Bug ID: 95058
           Summary: When monitors sleep, backlights stay on, screen is
                    black, and can't be woke up
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: Espionage724@gmail.com

I use 3 monitors. I leave, come back, and my monitors are on, but all of them
show a black background. Mouse cursor doesn't show, and trying to switch to TTY
doesn't work. Keyboard caps lock light doesn't toggle. REISUB magic keys work
to reboot the system.

I'm using a R9 380 (MSI GAMING 4G) with AMDGPU, a GIGABYTE GA-990FX-Gaming
motherboard, FX-8350, and a 750W Corsair PSU. I'm using Xubuntu 16.04
(4.4.0-21-generic; default kernel) and use padoka-PPA (DRI3, TearFree, sisched,
forcedma).

This has happened only after I got the R9 380 about a week or so ago. I've ran
a Radeon HD 7850 prior to that on the same set-up (only with radeon instead of
amdgpu) and haven't had this happen.

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[Bug 95058] When monitors sleep, backlights stay on, screen is black, and can't be woke up

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https://bugs.freedesktop.org/show_bug.cgi?id=95058

--- Comment #1 from Michel Dänzer <michel@daenzer.net> ---
(In reply to Sean Rhone from comment #0)
> (DRI3, TearFree, sisched, forcedma).

Does it also happen without all of those enabled? If yes, please attach the
Xorg log file and the output of dmesg and glxinfo.

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[Bug 95058] When monitors sleep, backlights stay on, screen is black, and can't be woke up

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https://bugs.freedesktop.org/show_bug.cgi?id=95058

--- Comment #2 from coolo1mc@gmail.com ---
I believe I am getting the same issue on my MSI Vega 56 while running
linux-amd-drm-next kernel one archlinux.
Works fine until screen sleeps, after screen sleeps it will not wake up again.
System is still alive as I can say in, but I cannot switch VT, and keyboard
input seems to cause the GPU fan to spin faster.

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[Bug 95058] When monitors sleep, backlights stay on, screen is black, and can't be woke up

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https://bugs.freedesktop.org/show_bug.cgi?id=95058

Mez <mezcalbert@hotmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mezcalbert@hotmail.com

--- Comment #3 from Mez <mezcalbert@hotmail.com> ---
Same sort of thing happens to me whatever evolution of amdgpu in various
kernels I've been using in the last year or so.

The outcome is very random, either crashes my system or logs me out of Gnome.

It happens if the screen goes blank or even worse, when I deactivate all lock
screens or screensavers, if I just turn the TV off, have a nap and back on,
Gnome will be at log in screen, with previous session terminated.

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[Bug 95058] When monitors sleep, backlights stay on, screen is black, and can't be woke up

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https://bugs.freedesktop.org/show_bug.cgi?id=95058

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |INVALID
             Status|NEW                         |RESOLVED

--- Comment #4 from Michel Dänzer <michel@daenzer.net> ---
Required information not provided after two years.

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