[Bug 98013] DRI3 Games flickering/freezes

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98013

            Bug ID: 98013
           Summary: DRI3 Games flickering/freezes
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: samuel.rakitnican at gmail.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

Created attachment 126951
  --> https://bugs.freedesktop.org/attachment.cgi?id=126951&action=edit
/proc/cpuinfo

I have issue running some games when DRI3 is enabled through
/etc/X11/xorg.conf. Games freezes couple of seconds in and some of them are
flickering. Games I've noticed issues so far:

The Beginners Guide - Freeze
The Stanley Parable- Freeze
Q.U.B.E: Director's Cut - Freeze few seconds after main menu appears
AdVenture Capitalist - Flickering and freeze
Viridi - Not starting up always, random freeze when started

The Beginners Guide and The Stanley Parable have an game engine option to
disable Multi Core rendering. When disabled, games does not freeze when using
DRI3.


I am reporting this bug from Ubuntu 16.04.1 with latest mesa using oibaf's PPA
[1]. I've originally noticed this bug on Fedora 24 [2].


[1] https://launchpad.net/~oibaf/+archive/ubuntu/graphics-drivers
[2] https://bugzilla.redhat.com/show_bug.cgi?id=1370788

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