[Webkit-unassigned] [Bug 162264] New: Amazon Prime Music: High CPU consumption

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=162264

            Bug ID: 162264
           Summary: Amazon Prime Music: High CPU consumption
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mail at lovelyhippo.com

Using Nuvola 3.0.4 with as Amazon Cloud Player (5.1) on Fedora 24.
Issue also occurs using Gnome browser epiphany.

CPU consumes around 80% when windows in brought to front.
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+
25024 cfi 20 0 3510156 346200 44684 R 82.8 4.4 25:05.61 WebKitWebProces
25067 cfi 20 0 2324700 35440 12420 S 13.6 0.5 14:04.48 WebKitPluginPro
25008 cfi 20 0 3019132 29968 22172 S 5.0 0.4 3:37.58 nuvolaplayer3-a

Network Library: libsoup 2.54.1
Web Engine: WebKitGTK 2.12.4

Window minimized is using between 8-10% CPU.

uname -a
Linux cfi-tp 4.7.3-200.fc24.x86_64 #1 SMP Wed Sep 7 17:31:21 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
Intel(R) Core(TM) i5-4300U CPU @ 1.90GHz

I am using Cinnamon as DE:
cinnamon.x86_64 3.0.7-1.fc24
theme "Android Holo".

Its iGPU Intel HD Graphics 4400.

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