https://bugs.freedesktop.org/show_bug.cgi?id=93795
Bug ID: 93795
Summary: G98: GL(X) compositing - XRandR DPMS trouble
Product: xorg
Version: unspecified
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Driver/nouveau
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
The case with the Xfce GLX compositing is,
output disablement/enablement via xrandr:
$ xrandr --output <output> --off ; xrandr --auto
produces unusable session screen - the mouse cursor is visible and motile, but
the rest of the screen is as blanked,
and the only thing left is to zap the xserver and re-log.
Both, Xfce(Xfwm) XRender compositing and DRI3, are NOT problematic in this
sense.
The case with the GNOME GL compositing is not essentially different,
output disablement/enablement via xrandr produces clutter/mutter/scooter
breakage,
thus gnome-shell terminates with signal SIGSEGV thereby reappears display
manager greeter screen.
https://bugzilla.redhat.com/attachment.cgi?id=1106815
The case with the KDE GL compositing is comparable with the Xfce one.
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