Not sure when this started, but Brave is preventing DPMS from blanking the screen after a configured idle time. It doesn’t happen at first, but only after playing a video. Then, even after closing the tab the video had played in, screen blanking is disabled. This persists until Brave is completely closed, at which point screen blanking works again. If I restart Brave, blanking works right up to the point I play another video.
This appears to be related to something in the chromium engine sending a signal to override or disable DPMS. “xset q” shows it’s still enabled.
This behaviour is 100% reproducible:
Start X session (screen blanking works).
Start Brave (screen blanking working)
Open youtube in a tab (screen blanking working)
Start a video (screen blanking is now disabled!)
Close tab (screen blanking still disabled).
Close Brave (screen blanking re-enabled).
Besides defeating power saving options, this blanking override defeats security that locks the screen when it’s blanked.
Can this be fixed, or at least made into an option?
Also I agree, it does sound likely that this is coming from Chromium. And if so then it might be best to direct this towards the Chromium issues tracker, but I can do a little testing after (Fedora here, and can probably test on Ubuntu and Manjaro as well) and at least see if it’s distro-specific.
It seems likely to be an Arch-specific issue, looks like you may be able to get in touch with the package maintainer here, which is what I would suggest: https://aur.archlinux.org/packages/brave-bin
No, this is definitely a problem with chromium-based browsers in general. I just tried Vivaldi and the same thing happens. I’m trying to trouble-shoot here, because, well, Brave is the browser i use I was hoping to find some configuration setting or brave:// flag to disable the “bad behaviour” that no-one else is running into.
As for no-one else seeing it… I’m using enlightenment desktop environment, which tries to get out of Xorg’s way. Chromium is apparently using libXss to suspend screensaver activity (including blanking) once a video starts playing. Maybe other DEs you’re using have their own way of blanking the screen? Do screensavers activate while a video is running in Brave for you?
Hi, I’ve been running into this issue. Have you found a solution yet?
I am also using Arch, aur install, Xorg, bspwm.
xset screensaver works fine when brave/google-chrome is not running. I used to turn off the monitor without issues in the past but maybe few months back, it stopped working.
Unfortunately, no. I’ve just been blanking the screen manually when i know i’ll be afk for a while. Not exactly convenient… But thanks for reminding me to keep looking into this As i wrote earlier, it’s common among all Chrome-based browsers, so i think i’ll start digging there.
I was hoping to find some configuration setting or brave:// flag to disable the “bad behaviour” that no-one else is running into.