** Tags removed: rls-dd-incoming
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https://bugs.launchpad.net/bugs/1805200
Title:
Xorg crashes when it tries to resume a scale transformation after that
Screen has been closed. Crashed in __strlen_avx2() from
transform_filter_length() from ProcRRGetCrtcTransform()
Status in xorg-server package in Ubuntu:
Triaged
Status in xorg-server source package in Disco:
Triaged
Bug description:
Happens in X.Org X Server 2:1.20.3-1ubuntu1, but also previous
versions
Very easy to reproduce:
Start a simple (empty) X server instance (say Xorg :2 vt8)
Set a scale transformation
xrandr -d :2 --output eDP-1 --scale 2x2
Call xrandr again so that the server tries to resume the previous
transformation
xrandr -d :2
I've addressed the issue at
https://gitlab.freedesktop.org/xorg/xserver/issues/14 and proposed
various fixes for that, but so far no feedback.
Marking it as incoming rls bug as this needs to be addressed as per
supporting xrandr scaling support in desktop.
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