Chrome Version: 9754.0.0
OS: ChromeOS
DUT: Nyan-Big


All HDMI Chameleon tests are failing from M61-9754.0.0 build.

Wmatrix: https://wmatrix.googleplex.com/platform/unfiltered?suites=chameleon_hdmi_perbuild&days_back=30&releases=61&platforms=nyan_big

https://screenshot.googleplex.com/JVvhUOZocfo


display_HotPlugAtBoot.extended:
Job: https://wmatrix.googleplex.com/testrun/unfiltered?test_ids=519009163
Logs: https://pantheon.corp.google.com/storage/browser/chromeos-autotest-results/129711029-chromeos-test/chromeos2-row10-rack10-host15/

display_HotPlugAtBoot.mirrored:
Job: https://wmatrix.googleplex.com/testrun/unfiltered?test_ids=519007981
Logs: https://pantheon.corp.google.com/storage/browser/chromeos-autotest-results/129710073-chromeos-test/chromeos2-row10-rack10-host13/

display_HotPlugAtSuspend.extended:
Job: https://wmatrix.googleplex.com/testrun/unfiltered?test_ids=519008032
Logs: https://pantheon.corp.google.com/storage/browser/chromeos-autotest-results/129710780-chromeos-test/chromeos2-row10-rack10-host15/

display_HotPlugAtSuspend.mirrored:
Job: https://wmatrix.googleplex.com/testrun/unfiltered?test_ids=519006488
Logs: https://pantheon.corp.google.com/storage/browser/chromeos-autotest-results/129709560-chromeos-test/chromeos2-row10-rack10-host13/

display_LidCloseOpen.extended: 
Job: https://wmatrix.googleplex.com/testrun/unfiltered?test_ids=519011507
Logs: https://pantheon.corp.google.com/storage/browser/chromeos-autotest-results/129708288-chromeos-test/chromeos2-row10-rack10-host15/


display_LidCloseOpen.mirrored:
Job: https://wmatrix.googleplex.com/testrun/unfiltered?test_ids=519010521
Logs: https://pantheon.corp.google.com/storage/browser/chromeos-autotest-results/129708286-chromeos-test/chromeos2-row10-rack10-host15/

display_Resolution.extended:
https://wmatrix.googleplex.com/testrun/unfiltered?test_ids=519010519
Logs: https://pantheon.corp.google.com/storage/browser/chromeos-autotest-results/129710931-chromeos-test/chromeos2-row10-rack10-host13/

display_Resolution.mirrored:
Job:https://wmatrix.googleplex.com/testrun/unfiltered?test_ids=519006912
Logs: https://pantheon.corp.google.com/storage/browser/chromeos-autotest-results/129709559-chromeos-test/chromeos2-row10-rack10-host15/

display_SwitchMode:
Job: https://wmatrix.googleplex.com/testrun/unfiltered?test_ids=519005455
Logs: https://pantheon.corp.google.com/storage/browser/chromeos-autotest-results/129709500-chromeos-test


Note:
We have an open Issue:720045 [Nyan Family devices] Seen UI glitch and unable to login existing user accounts.

Now it seams this issue became worse on TOT and M61 builds.