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spm
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Joined: 28 Dec 2019
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PostPosted: Fri Jul 10, 2020 8:48 am    Post subject: Incredibly slow / lagging video in web browsers Reply with quote

I have some very strange issue on my laptop with Intel HD 620 graphics. Several weeks ago (before that it works fine) started lagging playing videos in chromium web browser. It looks like it's playing 10x slower but also it's not smooth. I can see it on youtube but I also tried some other video sites and result is same - same lagging. I have VIDEO_CARDS="i965" in make.conf, xorg-x11 in eselect opengl. But I believe that it's not related to hardware acceleration: glxgears works fine, playing videos in VLC works fine. And when I try to play video in chromium and looks on CPU usage - CPU is idling. No high cpu usage... Also nothing change when I change quality on youtube, even on lowest quality exactly same lag. Also when I pause video, wait a moment and continue in playing, approximately 1 second is playing OK and then again lagging. Starts looking like it's some network issue... but when I transfer some files via networks, it's fast, without issue...

Today I emerged firefox to see some difference... and it's doing exactly same thing. So now I have no idea what can be wrong and on which thing I should focus. On my other desktop system with very similar system configuration is everything running OK... so, anybody some idea what to do? :-)
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spm
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Joined: 28 Dec 2019
Posts: 8

PostPosted: Fri Jul 10, 2020 1:18 pm    Post subject: Reply with quote

ah, new experience. It's related to sound. It happens only with USB-C dock when I have audio output configured to USB headset. When I switch output to internal speaker it plays fine.
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spm
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Joined: 28 Dec 2019
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PostPosted: Fri Jul 10, 2020 3:53 pm    Post subject: Reply with quote

Aaaand... with older kernel it works fine. Ok, so resolved :-) (and until today I thought that I tried everything...)
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