
36 3. Continuous Testing of Chrome’s WebGL Implementation
Management System (DPMS), providing a “low-level” power-saving mode that can’t be
congured this way. We conrmed that this was the mechanism causing the screen to go
blank by watching the test execution, waiting for the screen to blank, logging in via a new
ssh terminal, and running the following command:
xset s reset
e monitor immediately awoke and the pixel tests started to pass again. Aer extensive
web searching, we found and made the following changes to/etc/X11/xorg.conf:
section "ServerLayout":
Option "BlankTime" "0"
Option "StandbyTime" "0"
Option "SuspendTime" "0"
Option ...