[Bug 100995] System hang using OpenGL 4+ features

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Bug ID 100995
Summary System hang using OpenGL 4+ features
Product Mesa
Version 17.0
Hardware x86-64 (AMD64)
OS Linux (All)
Status NEW
Severity normal
Priority medium
Component Drivers/Gallium/radeonsi
Assignee dri-devel@lists.freedesktop.org
Reporter Paul.Hancock.17041993@live.com
QA Contact dri-devel@lists.freedesktop.org

This is easily reproducible via unigine's heaven benchmark, simply running it
with normal tessellation settings results in the screen flashing black a few
times and then an eventual system hang before anything even starts to render. A
power cycle is the only way out.

Simply creating a 4.5 context will not trigger the bug, haven't been able to
fully test what causes the hang specifically as accessible tools I've found are
not compatible with mesa due to only creating a default context (which is
currently 3.0), thus crashing on init.

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1689408


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