[Nouveau] [Bug 92136] New: WebGL Conformance conformance/textures/texture-size-limit.html -> system freeze

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92136

            Bug ID: 92136
           Summary: WebGL Conformance
                    conformance/textures/texture-size-limit.html -> system
                    freeze
           Product: Mesa
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: lukebenes at hotmail.com
        QA Contact: nouveau at lists.freedesktop.org

In Google Chrome, navigate to:

https://www.khronos.org/registry/webgl/conformance-suites/1.0.2/conformance/textures/texture-size-limit.html

On my on my GTX 650, this causes the desktop to lock-up with the Nouveau
drivers, but passes with the Nvidia proprietary driver. 

dmesg failure output:
[ 4183.336016] nouveau W[     DRM] skipped size 80010000
...
[ 4183.589907] nouveau W[     DRM] skipped size 80010000
[ 4183.740567] nouveau E[   PFIFO][0000:03:00.0] write fault at 0x002cfcb000
[PDE] from CE2/GR_CE on channel 0x007f61d000 [unknown]

Tested on Ubuntu 14.04 with default mesa and Ubuntu 15.10 with edgers(Mesa
11.0)

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