[Nouveau] [Bug 92851] NV34: err: MEM_FAULT

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92851

--- Comment #2 from poma <pomidorabelisima at gmail.com> ---

How to reproduce:

Build, install and use Xfwm4 from git commit:
"compositor: Fix GL without ARB_texture_rectangle"
http://git.xfce.org/xfce/xfwm4/commit/?id=2cfac64

The problem applies to both, DRI3/XPresent and GLX, use_compositing true,
therefore build, install and use Xfwm4 configured:

- DRI3/XPresent - configure --disable-epoxy --enable-xpresent
   Build Configuration for xfwm4:
     Xpresent support:             yes
     Epoxy support:                no

- GLX - configure --disable-xpresent --enable-epoxy
   Build Configuration for xfwm4:
     Xpresent support:             no
     Epoxy support:                yes


1. Log in to xfce4-session

2. Make sure display compositing is enabled:
   $ xfconf-query --channel xfwm4 --property /general/use_compositing
   true

3. Suspend to disk:
   $ systemctl hibernate
   Of course, STD(S4) must be functional and correctly configured

4. RESUME(thaw) from S4

5. Disable display compositing:
   $ xfconf-query --channel xfwm4 --property /general/use_compositing --set
false
   $ xfconf-query --channel xfwm4 --property /general/use_compositing
   false

After this machine need reboot, shuffling multi-user.target & graphical.target
ain't helping.

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