GPU hang on Chrome start. Is it reproducible? Test looks green in the lab
https://wmatrix.googleplex.com/platform/unfiltered?hide_missing=True&tests=graphics_WebGLAquarium&releases=tot&platforms=buddy&days_back=10

2016-11-01T04:06:38.844262-07:00 INFO kernel: [10333.030624] [drm] RC6 on
2016-11-01T04:06:43.843373-07:00 INFO kernel: [10338.032696] [drm] stuck on render ring

[30026:30026:1101/035528:FATAL:gpu_process_transport_factory.cc(333)] Unable to create a UI graphics context, and cannot use software compositing on ChromeOS.
EOF

Looks like it happened twice only so far - https://tests.corp.google.com/invocations?searchFor=graphics_WebGLAquarium%20user%3Achromeos-test%20status%3AFailed%20buddy

Although most of the tests are green, we still see failures across several platforms and builds - https://tests.corp.google.com/invocations?searchFor=graphics_WebGLAquarium%20after%3A2016-11-01%20user%3Achromeos-test%20-status%3APassed

Issue has not been modified or commented on in the last 365 days, please re-open or file a new bug if this is still an issue.

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