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System running great, started studdering all of a sudden?

Featured Replies

Some REX water animations have been known to react badly with DX10 fixer. Did you replace that when you installed the REX 4 theme?

[email protected] - ROG Strix Z790-E - 2X16Gb G.Skill Trident DDR5 6400 CL32 - MSI RTX 4090 Suprim X - WD SN850X 2 TB M.2 - XPG S70 Blade 2 TB M.2 - MSI A1000G PCIE5 1000 W 80+ Gold PSU - Liam Li 011 Dynamic Razer case - 58" Panasonic TC-58AX800U 4K - Pico 4 VR  HMD - WinWing HOTAS Orion2 MAX - ProFlight Pedals - TrackIR 5 - W11 Pro (Passmark:12574, CPU:63110-Single:4785, GPU:50688)

  • Author

Some REX water animations have been known to react badly with DX10 fixer. Did you replace that when you installed the REX 4 theme?

 

Not sure, I did delete the theme and load one of my previous themes.

 

 

 

I have no recommendations as to whether you should turn the page file on for all your drives. All I know is that having a system managed page file on every drive improved performance and the nasty 1 second stuttering when I flew out of BluePrint KIAD (versus nasty stuttering with a page file on only one drive).

 

Best regards,

 

I'll try putting a default pagefile on each drive and report back.

 

Thanks

Rick S.


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  • Commercial Member

Just to make this clear... on every drive, or on every PARTITION?

Cheers

Current system: ASUS PRIME Z690-P D4, Intel 12900k, 32GB RAM @ 3600mhz, Zotac RTX 3090 Trinity, M2 SSD, Oculus Quest 2.

  • Author

I have 5 internal drives, not partitioned.

 

I have gone in and changed each of the SSD's pagefile to 3,072MB min/max and the HDD to MS managed.

 

Also, I have reduced REX4 Direct textures etc to minimums.

 

Changed FSX.CFG TEXTURE_MAX_LOAD=4096 to 2048

 

Changed FSX.CFG LOD_RADIUS=9.500000 to 4.500000

 

Weather is FSX fair skys

 

SAME PROBLEM?????  NO CHANGE!!!!!!

 

Task Manager shows FSX CPU usage 60 to 90% and memory usage around 1,600 - 2,000MB (slowly building), looks like plenty of headroom (to me).

 

Go Figure?

 

Any ideas?

 

Thanks

Rick S.


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improved performance and the nasty 1 second stuttering when

Odd? LM states that they found the cause of this. It is a long introduced bug in the FSX/ESP software timing between the Physics engine and graphics engine.

  • Author

Odd? LM states that they found the cause of this. It is a long introduced bug in the FSX/ESP software timing between the Physics engine and graphics engine.

 

My stutter is much shorter than that , but I would like to read about it.  Can you direct me?

 

fyi, my stutter came out of the blue.  The system was running perfectly and then, not so much.  The REX forums Admin assures me that the only thing I changed, a community based theme, could not make any changes to my REX4 Direct configuration nor anything else. 

 

I guess I will have to start uninstalling things until I find the culprit.  I'll start by renaming my fsx.cfg and see what happens.

 

Thanks

Rick S


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  • Author

Well, I am proud to say I have solved the mystery and am sad to say that I appear to be the culprit.

 

First, here is my order of assassinations:

 

1. FSX.CFG renamed and a BU installed no change reinstalled 2. Logitech Gaming Uninstall no change   3. REX4 Direct Restored default FSX Textures and uninstalled no change   4. Riva Tuner Uninstall no change   5. EVGA Precision Uninstall no change   6. FSX Settings reduced all settings no change reactivated 7. Saitek FIP's unplugged no change reactivated 8. DX10Fixer disabled no change reactivated 9. SPAD disabled no change reactivated 10. FSUIPC4 deleted fsuipc4.ini entry [Monitor] Display=2
Monitor0=0,024C,4,0 FIXED DELETED LINE

 

When I had the OOM error I researched how to monitor my memory usage while flying and found the FSUIPC4 code to project it onto the screen.

 

Well, that was what started the stuttering as it turned out.  I didn't even think about FSUIPC4 until I started killing stuff and went into the fsuipc4 ini file to kill SPAD and saw that  [Monitor] line and tried to figure out what it was.  It wasn't there when I put the SPAD start line in the ini file.  So I deleted it and noticed that the green shaded area that had the usage numbers in it didn't come up the next time I loaded FSX.  Ahh, and neither did the stutter.  Then it came to me!  TaDah.

 

Smooth as molasses again.

 

Now I have to reinstall my programs again and hope the pagefile thingy fixes the OOM error.  Although I had never had one before, maybe it was just a onetime cliche.

 

Thanks for all of the help and suggestions.

 

Hope this helps someone else in the future.

 

Rick S.


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My suspicions that something had caused FSX to stop working properly on my PC have been confirmed. I have just completed reinstalling FSX and most of my addons, and I tested it at EGPH Edinburgh this morning. I had started suffering from serious one second "hard" stutters at the large airports with litte more than a handful of AI planes active, but it was super smooth this morning with something like 25-30 AI planes at the gates.  I also checked out Heathrow (which had a lot more than 25-30 planes visible, and there was no evidence of serious stutters there either).

 

The framerates had never been a problem, but those stutters were driving me crazy. I am so glad that they have vanished!

 

A fantastic result, and it just proves that sometimes a complete reinstall can work wonders!  B)

Christopher Low

AMD Ryzen 7 9800X3D CPU / 64GB DDR5-6000 RAM / 12GB Nvidia RTX 4070 Super GPU / Gigabyte X870E Aorus Elite Wifi 7 / 1+2TB Samsung Evo Plus M2 Nvme

UK2000 Beta Tester

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