graphics_VTSwitch https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICQrL6MvQkM graphics_WebGLAquarium https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICQrNKgqAoM
Seems to have started between R66-10359.0.0 and R66-10388.0.0 https://crosland.corp.google.com/log/10359.0.0..10388.0.0 https://stainless.corp.google.com/search?exclude_cts=true&exclude_non_release=true&board=%5Enyan%5C_big%24&test=%5Egraphics_&view=matrix&col=build&row=test&first_date=2018-01-17&last_date=2018-02-13 There is a graphics_DRM failure that started earlier.
Fixed.
Comment 1 by ihf@chromium.org
, Feb 13 2018