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For a long time I've been having problems with my Screen Saver not working properly, now it seems it tells me the problem in the XFCE4 Panel's Power Manager Plugin

xfce power manager plugin

Captain reads

/usr/lib/chromium-browser/chromium-browser is currently inhibiting power management

It seems specifically that a backgrounded tab of Reuters is doing it

How do I disable this most annoying "feature" of chromium-browser

When I run xfce4-power-manager --no-daemon --debug, I get in the output,

TRACE[xfpm-inhibit.c:405] xfpm_inhibit_inhibit(): Inhibit send application name=/usr/lib/chromium-browser/chromium-browser reason=WebRTC has active PeerConnections sender=:1.628

External links

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This is a verified bug without a patch yet, Launchpad Bug 1600622

One solution that is far from ideal is to block all advertisements with uBlock Origin. Chrome can still inhibit the screensaver, but in this case it seems that whatever is responsible isn't getting through.

Specifically the problem seems to be with GoogleTagServices.com which pulls in this script. If that's blocked by uBlock Origin, you're good and you won't have Power Management Inhibition. If that's not blocked, you'll have problems.

  • Any webcrt session chrome://webrtc-internals will cause xfce4-power-manager, xscreensaver, light-locker to not work. Mine was a problem problem with ebay's sign in script. I don't know if theres any solution besides manually locking the screen. – MeowMeow Jan 10 at 6:33
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ublock example didn't solve my issue. The only fix I could find was to uninstall gnome-screensaver and install xscreensaver. So far this fix seems to be working.

  • I'm not using screen saver, and the problem (with me) according to the power manager is /usr/lib/chromium-browser/chromium-browser what does your power manager say the problem is? – Evan Carroll Aug 17 '18 at 17:47
  • Not sure; i run xfce on top of ubuntu (not xubuntu); I saw your note above but i didn't see any option with power manager to show what is blocking it. There is one problem i still have with xscreensaver. Occasionally the display won't wake up and I'm forced to reboot - this bug also existed in 16.0 but eventually they fixed it and it went away. I also had to swap gdm3 to lightdm as gdm3 would crash when i tried to open a virtual console.--- If you give me the command to query powermanager as to what is blocking it i will check. – anewbie Aug 18 '18 at 18:26

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