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Abnormal CPU usage on firefox


psxlover
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psxlover

Having Emby Web open in a firefox tab is making firefox constantly use 12-13% of the CPU (one hardware thread). It happens no matter what page I'm browsing (dasboard/home page/series...).

I noticed it while using version 3.1.5, but after updating to 3.2.5 it still seems to be an issue.
 

58b6d9bc341b3_WithEmbyWeb.png
 
As soon as I close the Emby Web tab firefox cpu usage drops to 0-1%

 

58b6d93a36b8b_WithoutEmbyWeb.png

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I don't have the Mozilla ticket handy but it's due to a detect in Firefox with requestanimationframe.

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psxlover

Thanks for the quick reply and sorry for opening a new thread, seems like the search I did was only in the web client forum.

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tyr_88

See this post also?

 

Confirmed still doing it in Firefox 51+

 

I was on 64bit FF also!!! If you do not install 64bit by obtaining @ more downloads link FF usually installs 32bit been seeing a lot of people thinking they are running 64 when it was 32 all along even through all past updates :)

 

 

Also confirmed that fix works fine I had to look it up last night

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tyr_88

It's fixed in firefox 52.

 

 

yup no issue here either

 

Windows 10 Pro 14393 64bit

 

Firefox 52.0  64bit

 

Takes a lot to push my system but the bug had my CPU hitting near 60C on temps lol

[Case] Rosewill THOR V2 Full Tower Case (God of Air Cooling)
[CPU] Intel Skylake i6700k Unlocked 4.2ghz 1151 socket 
4.2 temps / idle- 23 24C   max- 55C No Gaming no time atm, Dual Media Servers, heavy program use, 5-20 browser tab-windows usually
4.6 OC temps / idle- 30 32C   max- 65C
[Power Supply] EVGA SuperNova G2 750W PSU "10 Year Warranty"
[Mother Board] EVGA Z170 FTW MB "10 Year Warranty"
[Video Card] EVGA GeForce GTX 960 FTW GAMING ACX 2.0+ with Backplate 2GB "3years"
(trampled 980ti physics in 3Dmark)
[Memory] 2x8GB G.SKILL RIPJAWS V DDR4 3200mhz memory "Lifetime Warranty"
[SSD] 120GB V300 Kingston SSD - 530+ read/write in ATTO (has peaked 1400mbps transfer in Win 10 Pro x64)
[HHD] 1TB x 2 - WD Black dual processor
[HHD] 5TB x 1 - WD Black dual processor - more coming think I have sold enough to earn a free one ha
[OS] Windows 7 | Windows 8.1 x64 | Windows 10 x64 1607 14393 | Zorin | Windows Insider
(10 & 7 are resident 10 is main OS the rest is for fun stacking OS, Hyper-V and more)
[CPU Cooler] Cooler Master Hyper 212X | 2x120mm fans
[Mouse] G.SKILL RIPJAWS MX780 USB Wired RGB Laser Gaming Mouse | 8,200 dpi
[Keyboard] G.SKILL RIPJAWS KM780 MX Mechanical Gaming Keyboard - Cherry MX Brown / Gaming Keycaps
[Monitor 1] ViewSonic 27" 144hz / Display Port
[Monitor 2] 24" ASUS / HDMI

That's my rig running Emby and everything else I have plus gaming platform

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