[Bug 110245] Severe tearing and display corrupting when using SNA

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110245

--- Comment #9 from nvaert1986 at hotmail.com ---
Thank you for the explanation :-) and yes / no. There's both screen tearing
(constantly) and corruption (regularly; like approx. every 3 - 4 minutes for
like 1- 2 seconds) on all of the 3 displays. It was way worse when using the
non-git driver version. Then display corruption would occur constantly (every
few seconds those cubes would occur and the screen would constantly flicker
too).

The only thing I haven't tested yet, is disabling my external monitors and
using my internal LVDS-0 only in SNA mode I realized, which I can do to see if
that stops the tearing. The tearing occurs on all 3 screens. When starting an
application with optirun, the tearing is mostly gone (unless you start moving
the item around the screen extremely quickly). I haven't noticed any display
corruption yet either when starting an application with optirun, but if it
occurs I'll let you know.

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