I also have seen some slow downs. I upgraded also hyperion.ng to the latest commit but no change. The problem is it looks like it can’t be reproduced. And every time waiting if it happens or not does not lead to a solution.
I will try to record the live stream until a slow down happen. Maybe when playing the record it happen again!? Somebody do have some experience and a idea how to reproduce it?
Please let me know if i can help, dont have Linux knowledge
As far as i can observe, it is completely unsystematic 
Yeah, you can’t systematically reproduce it. It’s random. You can’t just rewind to the same second of the video as it most likely won’t happen again. Has anyone tried checking Kodi logs when slowdowns happen?
After a little bit of code researching I got a new test version for you!
S912/S905 generic image & Addon
The image is based on CE 9.0.1. You have to use the new addon included!
Please test and report!
Edit: I forgot: you have to use “amvideocap0” as grabber device!
What device should I use? I left: /dev/fb0, amvideocap0 grabber device, and Amlogic ge2d Grabber Modus = 1
Looks correct!
Ok, I will test during evening and report back tomorrow.
There are no slowdowns after 2h of constant playback, but… A lot of files is played only for 1-2 seconds, then you can hear audio for 10 sec., than video plays with high freamrate to keep sync with audio and then black screen. So return back to 9.01
Does your update keep original DTB? Because wifi speed is incredibly low.
And now when I try to install hyperion from repository I get:
2019-03-02 10:54:25.130 T:3980391280 ERROR: CCurlFile::Open failed with code 404 for https://addons.coreelec.org/9.0.1/Amlogic/arm/service.hyperion.ng/service.hyperion.ng-9.0.1.100.1.zip:
2019-03-02 10:54:25.131 T:3980391280 ERROR: CAddonInstallJob[service.hyperion.ng]: failed to download special://home/addons/packages/service.hyperion.ng-9.0.1.100.1.zip
Try checking for updates and then installing again 
You had before running 9.0.1? If not get the 9.0.1 release running and afterwards upgrade with the test version. There is a also help thread for the 9.0.1 release.
I head 9.0.1 before. Refreshed repos and it works again. Anyway from my point of view smth is wrong with this test release. Like I wrote before live tv is not working like described and a lot of other files don’t play.
What CPU? I tested it on S912.
I used a95x with s905. The 1GB/8GB first version.
May you compare with “top” the CPU usage from the .1 and .2 addon version!? You can use the test image.
As I got no slow down anymore I improved and finished the implementation for the fix.
So here is again a new test version from today:
S905/S912 generic image based on CE 9.0.1& Addon
Please update booth! Image AND addon!
I didn’t test it with the hyperion hardware connected but the “offline” debugging was working 
Unfortunately, frame jumps and slowdowns appeared in less than one hour 
But still, thank you so much for your efforts!
You use amvideocap0 and a maximum of 10Hz for the grabber device?
In your last plugin version there is no option for amvideocap0, so I left only fb0. Frequency set to 25, I’ll try to reduce it for testing.
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