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4.19 & 4.20 Editor & Packaged Games Have Hangs/Hiccups Constantly

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  • 4.19 & 4.20 Editor & Packaged Games Have Hangs/Hiccups Constantly

    I searched for a similar thread and found none, sorry if this has been covered.

    I have a good size map with a lot of BP that has been working perfectly in 4.17 and 4.18 a long time. No errors, no warnings, squeaky clean. When I open it in 4.19.0, same thing no errors or warnings, fully functional, packages to an EXE that performs perfectly like it did with 4.18. In 4.18 I'm getting a solid 70-80fps in the editor viewport.

    However in 4.19 the entire editor hangs/freezes momentarily about once every second. The viewport, interface graphics, the log window - everything, like it's a graphics driver issue(just a theory). It is subtle at first, but the longer the editor stays open the worse it gets and the "pauses" get longer and longer. The FPS still shows about 70 but of course freezes with the screen and recalculates every after every pause again. It happens during preview play as well just as bad, and makes player capsules lag during the pause and create false collisions, etc.

    Basically the editor is unusable. It does not stutter with say a single UE4_Mannequin in a blank environment, but that is running at a pegged 120fps because of virtually no geo/textures so it points to a graphics issue again. I have a fast 4ghz+ PC and 980GTX running the latest drivers, and the last three drivers have had the same stuttering in 4.19.0. My hardware has never been an issue.

    Once again, runs smoothly/flawlessly in 4.17 and 4.18 and opens and "functions" flawlessly in 4.19.0 - except the stuttering screen freezes.

    Is anyone else seeing this crippling stuttering?
    Please verify or advise, what's going on? Is this a 4.19 bug or are Nvidia drivers **** for 4.19 right now?

  • replied
    My Viewport pauses/jumps every second for a second when I have channel 4 and 5 running in chrome using Flash player plugin. UE4 4.20.3 GTX 1080

    Leave a comment:


  • replied
    Same thing here! Come on guys... fix this. It is problematic !!

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  • replied
    Ive got the Hiccup in 4.20.3 , im running a RTX 2080TI , its smooth as silk in editor. And yet, when packaging the game, boom ! stutter, and its right away to boot.

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  • replied
    Now I have installed old Nvidia driver (350.12, but I picked it kind of random, just to be lower than 380), and - all hiccups problems are gone. Phew. What a feeling, smooth everything, everytime. I had hiccups that starts after time in 4.19 and 4.20 too.
    But, I would like to highlight one specific aspect of this, from my own personal experience. I am a beginner, just a year in UE4 (and, that is just hour-here hour-there year). When I started to experience hiccups, my immediate reaction was - oops, I have (!) introduced something bad, some bad nodes, bad asset, clumsy design. I had not a slightest idea that it might be not my fault, but engine+drivers. I took my older backups, worked forward from those, and - sure enough, in some time hiccups were back. It took me weeks to get suspicious, that it is not my fault, with starting practically empty levels. What I am saying is - this issue should be more loud announced around, so that people would be aware of this. Some definite official fixes released, or definite official DIY fixing routines published, everywhere. Beginners like may have no idea at first, that such issue is actually not their fault.

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  • replied
    Originally posted by Thunder_Owl View Post

    Well, I am asking, because I know it was about version (19) + drivers, but now I read posts about it also on 4.20 and 4.21? That is why I am asking what is going on exactly. I have that issue on 4.19, now I am thinking what solution I should aim (ue version, driver version, something else) to avoid that in future? Thank You.
    Particular issue discussed here had been indeed fixed in 4.20. It is also fixable for 4.19 by carving out aftermath.

    Reproduction steps for this issue are laid down in this post. If you are not getting behavior, as outlined in that test project, your issue is unrelated.

    Leave a comment:


  • replied
    Originally posted by Thunder_Owl View Post

    Well, I am asking, because I know it was about version (19) + drivers, but now I read posts about it also on 4.20 and 4.21? That is why I am asking what is going on exactly. I have that issue on 4.19, now I am thinking what solution I should aim (ue version, driver version, something else) to avoid that in future? Thank You.
    The specific issue this thread was about was already fixed when 4.20 came around, so updating your engine should be enough. Unless you've found a different issue...

    Leave a comment:


  • replied
    Originally posted by Thunder_Owl View Post

    Well, I am asking, because I know it was about version (19) + drivers, but now I read posts about it also on 4.20 and 4.21? That is why I am asking what is going on exactly. I have that issue on 4.19, now I am thinking what solution I should aim (ue version, driver version, something else) to avoid that in future? Thank You.
    in my opinion, if you are a game developer for PC, you can't avoid this. It has to be fixed. Main reason is that while you can control your development environment, you can't control the end user environment. You can control your own, you can test with a XBox kit or PS4 kit, so you will be fine, but for PC there is too many hardware x brands combinations, so it must be fixed. If there is still anyone having such issue, this brings me a GIANT RED FLAG, because all pointed out it was fixed and I have it tested on at least 4 different setups at the office, where all of them showed the issue clear as a sunny day.

    I do ask for anyone else reading this thread and still having the issue reproduced in any way with the projects available at the posts in this threads, to fill a bug report form asap, with every piece of evidence (project, video, screenshot (likely not), etc)

    Leave a comment:


  • replied
    This issue has existed for me since I noticed it in 4.15. I initially suspected SteamVR but it seems that is perhaps not the culprit.

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  • replied
    Originally posted by Zeblote View Post
    No. It was an issue with a specific engine and driver version and has been fixed a long time ago.
    Well, I am asking, because I know it was about version (19) + drivers, but now I read posts about it also on 4.20 and 4.21? That is why I am asking what is going on exactly. I have that issue on 4.19, now I am thinking what solution I should aim (ue version, driver version, something else) to avoid that in future? Thank You.

    Leave a comment:


  • replied
    Originally posted by shaipo View Post

    That I can provide.

    I've been experiencing the issue on 4.21.1 actually, it is exactly as described in this thread, regular frame drops no matter the project.

    I've tried updating my video driver (I have a Geforce GTX 1070) to the latest version (417.35) and even downgraded to 385.69 as suggested previously, but each time I change drivers, the issue goes away temporarily and then comebacks about an hour later. Once it's back though, it'll keep happening until I update my video drivers again.

    My current specs are:

    Unreal 4 version: 4.21.1

    OS: Windows 10 64 bit

    GPU: Geforce GTX 1070

    CPU: Interl(R) Core(TM) i5-6600 CPU @ 3.30GHz

    Ram: 15.92 GB


    Video:

    https://youtu.be/5BHrHF1TAHU
    Very different issue here, the hiccups were much more noticeable with that issue... the project sample with particles would show this in a matter of minutes. It is safe to assume your video card and/or cpu fans inside you computer case are working correctly? It seems like a throttle to me because of temperatures. Check this out and get back to this thread.

    Leave a comment:


  • replied
    No. It was an issue with a specific engine and driver version and has been fixed a long time ago.

    Leave a comment:


  • replied
    Hello guys. Do I understand correctly, that there is still no definite fix, and it may happen regardless of UE version or/and graphics driver version?

    Leave a comment:


  • replied
    Originally posted by NilsonLima View Post

    We would need more details on your graphics card model and driver version to properly see if we can help reproducing... also a video of 1min duration with your experience would immensely help.|
    That I can provide.

    I've been experiencing the issue on 4.21.1 actually, it is exactly as described in this thread, regular frame drops no matter the project.

    I've tried updating my video driver (I have a Geforce GTX 1070) to the latest version (417.35) and even downgraded to 385.69 as suggested previously, but each time I change drivers, the issue goes away temporarily and then comebacks about an hour later. Once it's back though, it'll keep happening until I update my video drivers again.

    My current specs are:

    Unreal 4 version: 4.21.1

    OS: Windows 10 64 bit

    GPU: Geforce GTX 1070

    CPU: Interl(R) Core(TM) i5-6600 CPU @ 3.30GHz

    Ram: 15.92 GB


    Video:

    https://youtu.be/5BHrHF1TAHU

    Leave a comment:


  • replied
    Originally posted by DistrictWare View Post
    Anyone still having this issue in 4.20.2? I simply open a blank project and turn on show FPS in the default level and my FPS fluctuates, I have also delete the dll mentioned above and still the issue persists.
    This post https://forums.unrealengine.com/unre...12#post1476112 pretty much states it was reproducible and if you click on the #issue you will see it was fixed.

    We would need more details on your graphics card model and driver version to properly see if we can help reproducing... also a video of 1min duration with your experience would immensely help.

    Leave a comment:

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