[Bug 97957] New: Awful screen tearing in a separate X server with DRI3

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97957

            Bug ID: 97957
           Summary: Awful screen tearing in a separate X server with DRI3
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/intel
          Assignee: chris at chris-wilson.co.uk
          Reporter: marcin.marcin.m at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org

I'm using Arch Linux as my distribution, xf86-video-intel version
1:2.99.917+708+g8f33f80-1

I ran Hedgewars in a separate X server:
[code]xinit hedgewars -- :1 vt$XDG_VTNR[/code]
I start a quick battle with an AI. When the battle view is reached I experience
awful screen tearing. When I ran the game through the DE, (Cinnamon) everything
is ok.

If the rendering method is switched back to DRI2 from the default DRI3, the
problem disappears.

This didn't happen with xf86-video-intel-1_2.99.917+604+gff0ab2c, which
probably still used DRI2.

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