After upgrading to Chrome Version 56.0.2924.76 (64-bit) and having Accelerated 2D canvas enabled, the timeline issue has gone away. I should note that between the time of my first comment about this not working, we also upgraded our search head from 6.2.4 to 6.4.4. ... View more

I had the same problem with the same version of Chrome against Splunk 6.2.4. I reverted to Chrome 52.0.2743.116 (downloaded from http://www.slimjet.com/chrome/google-chrome-old-version.php - standalone app) and it is working again. If you are bored, you could review the various change logs at https://omahaproxy.appspot.com/ to see what might have changed that caused this issue. ... View more