[Bug 93800] xfwm4 with compositing hangs indefinitely after after coming back from dpms off

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93800

--- Comment #5 from poma <pomidorabelisima at gmail.com> ---

DRI3 enablement on the nouveau does -not- cause the breakage, but GL(X)
compositing itself.
Interesting, ain't.

/etc/X11/xorg.conf.d/nouveau-dri3.conf 
Section "Device"
    Identifier  "nvidia0"
    Driver      "nouveau"
    Option      "DRI" "3"
EndSection

xfwm4 --version
    This is xfwm4 version 4.12.3git.a64b743.20151126 (revision
a64b743.20151126) for Xfce 4.12
    Released under the terms of the GNU General Public License.
    Compiled against GTK+-2.24.28, using GTK+-2.24.29.

    Build configuration and supported features:
    - Startup notification support:                 Yes
    - XSync support:                                Yes
    - Render support:                               Yes
    - Xrandr support:                               Yes
    - Xpresent support:                             No
    - Embedded compositor:                          Yes
    - Epoxy support:                                Yes
    - KDE systray proxy (deprecated):               No


SW:
xfwm4-4.12.3-22.3.glx.20151126.gita64b743.fc24.x86_64
xorg-x11-drv-nouveau-1.0.12-1.fc24.x86_64
mesa-dri-drivers-11.2.0-0.devel.6.5e3edd4.fc24.x86_64
xorg-x11-server-Xorg-1.18.0-2.fc24.x86_64
kernel-modules-4.5.0-0.rc0.git8.1.fc24.x86_64

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