Bug 98293

Summary: Crash on Intel HSW when using multiple OpenGL contexts and X11 Display connections.
Product: DRI Reporter: Damian Dixon <damian.dixon>
Component: libdrmAssignee: Default DRI bug account <dri-devel>
Status: RESOLVED DUPLICATE QA Contact:
Severity: critical    
Priority: medium    
Version: DRI git   
Hardware: x86-64 (AMD64)   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:

Description Damian Dixon 2016-10-17 13:06:30 UTC 
I've looked at reassigning the following Mesa bug report to libdrm.

https://bugs.freedesktop.org/show_bug.cgi?id=91082

but I can't seem to do so, or what is more correct I don't know how too.

The following patch:

Fabrice Bellet, change to libDRM:
intel/intel_bufmgr_gem.c
https://bugs.freedesktop.org/attachment.cgi?id=122880

Fixes a crash I was seeing in Mesa when I have two threads, each with an X11 display connection and each with an OpenGL context.

Each context is tied to the X11 Display, they are not swapped or used from another Display connection.

The only resource shared between the two contexts are texture IDs.
Comment 1 Matt Turner 2016-11-02 06:49:44 UTC 

*** This bug has been marked as a duplicate of bug 91082 ***

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