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A page causes high CPU usage by palemoon and Xorg and makes palemoon unresponsive

Posted: Fri, 30 Nov 2018, 08:36
by Harkonnen
This page https://www.lordswm.com/leader_egypt.php
Its an online game so you have to register to access it.

When this page is open palemoon eats ~60-80% of one core, Xorg eats 50-100% of another, and palemoon becomes very unresponsive, not just a page itself but a palemoon ui too, 5-10 seconds lag on any click or mouse movement.

This page is an event page, it would be gone in a few days, so here is saved page source https://pastebin.com/CbB4yEsu

Re: A page causes high CPU usage by palemoon and Xorg and makes palemoon unresponsive

Posted: Tue, 04 Dec 2018, 02:39
by therube
Have you checked to see how other browsers react?
FF 52?

Re: A page causes high CPU usage by palemoon and Xorg and makes palemoon unresponsive

Posted: Tue, 04 Dec 2018, 06:11
by Michel
Not at my Palemoon (28.2.1 64bit). The page loads and after that the cpu-load goes back to nearly 0 (with xosview)

Re: A page causes high CPU usage by palemoon and Xorg and makes palemoon unresponsive

Posted: Tue, 04 Dec 2018, 06:40
by Harkonnen
Have you checked to see how other browsers react?
FF 52?

Chrome was normal on it, i didnt try FF.

Not at my Palemoon (28.2.1 64bit). The page loads and after that the cpu-load goes back to nearly 0 (with xosview)

This is an event page, now when event ended it changed, and only CPU load remains for me. No Xorg load, and no lag.

Re: A page causes high CPU usage by palemoon and Xorg and makes palemoon unresponsive

Posted: Mon, 17 Dec 2018, 23:38
by Axatax
It's running a JS bitcoin miner.

Re: A page causes high CPU usage by palemoon and Xorg and makes palemoon unresponsive

Posted: Tue, 18 Dec 2018, 23:03
by stevepusser
Axatax wrote:It's running a JS bitcoin miner.


Well, that make sense. Jerks!

Re: A page causes high CPU usage by palemoon and Xorg and makes palemoon unresponsive

Posted: Tue, 18 Dec 2018, 23:21
by Harkonnen
Were exactly did you see a miner on that page? An amount of JS code on it is very small and it all very obvious. I am 99% sire that the problem was caused by that html5 animated part, Xorg CPU load clearly suggest that.

Re: A page causes high CPU usage by palemoon and Xorg and makes palemoon unresponsive

Posted: Fri, 04 Jan 2019, 09:31
by Moonraker
No problems here with the game on my linux computer..interesting game,