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45.9.0 at 99.9% CPU when editing in forum #271

LotharSoens opened this issue May 28, 2018 · 1 comment


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commented May 28, 2018

CPU jumps and remains at 99.9% when editing in a forum like Reproducible here: open forum, pick any message and "answer", the MLE field opens, type in or not. No Addons installed.

The suggestion to other issues to modify "layout.frame_rate" from default=0 (sic!) to x000 does not help & even worse: would need to remove profile data to restart (x=8 e.g.).
Tried an opposite workaround: set "layout.frame_rate" to -1, (= default in all my other FF versions): CPU usage drops to minimal. Remainig problem left: Keyboard becomes less responsive (typed character inputs appear slightly delayed ).

Screenshots "before"/"after" attached (just explanatory "answers", not really sent in the forum).


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commented May 30, 2018

FWIW, I have a system that still runs at 100% minimized. Based on Dave Yeo's LavaFox suggestion, I found was the the Silvermel theme helps a lot and is easier on my eyes than the LavaFox.

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