[Bug 75739] New: [IVB/HSW bisected] Chrome feature “WebGL” can’t be enabled

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75739

          Priority: medium
            Bug ID: 75739
          Assignee: idr at freedesktop.org
           Summary: [IVB/HSW bisected]Chrome feature “WebGL” can’t be
                    enabled
        QA Contact: intel-3d-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: jianx.zhou at intel.com
          Hardware: All
            Status: NEW
           Version: git
         Component: Drivers/DRI/i965
           Product: Mesa

Platform:IVB/HSW
Libdrm:(master)libdrm-2.4.52-5-g1d86869da6820a698d48bdea5d42b0218ed
Mesa:(master)15b4ff3f4e9460320dd629026743e17fa7109156
Xserver:(master)xorg-server-1.15.99.901-6-gcaf1dec2a76fbbd21259fe4cc8
Xf86_video_intel:(master)2.99.910-71-ga3bfb4d3c15e6a37aba5d2f5ba9213
Cairo:(master)6a03ae5859a92d3d4dbe97c9d598700fbcf1d666
Libva:(staging)2896166fefa36772ea6946ebc5df85024928dd6c
Libva_intel_driver:(staging)b0b616823f16ec112611fcd5604674bb386bd88d
Kernel:drm-intel-nightly git-0dfe3c

Bug detailed description:
-------------------------------------------------------------------------
Chrome feature “WebGL” can’t be enabled on IVB/HSW, The problem exists on both
gnome-session and Raw X.
Please see Xorg.o.log.
It’s Mesa regression, bisecting show that the first bad commit is
commit 7bd95ec437a5b1052fa17780a9d66677ec1fdc35
Author: Eric Anholt <eric at anholt.net>
Date:   Thu Jan 23 10:21:09 2014 -0800
    dri2: Trust our own driver name lookup over the server's.


Reproduce steps:
---------------------------------------------------------------------------
1. xinit&
2. google-chrome--enable-webgl--ignore-gpu-blacklist--user-data-dir
http://doesmybrowsersupportwebgl.com

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