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Thread: So THAT's what an OOM error looks like!

  1. Default So THAT's what an OOM error looks like!

    Never experienced one before so I couldn't understand what was going on. Kind of confused about how I ended up getting one. I was doing a X-country flight in the Carenado 172n and had just turned toward the Columbus, MS VOR working my way up to the Booneville/Baldwin MS airport. Maybe five other aircraft within range, experimenting with the Plan G program. I switched to the map view, then back to cockpit, and everything went black.
    Help me understand the error better if possible. Does memory usage accumulate as the program runs until you've used it all or does it ever "reset" itself while you're flying? The scenery didn't seem too dense. Nothing in that area of Mississippi except farmland. I feel like I should be a little upset, but I'm not. After all, I'm running FSX-Se on a laptop with most all setting pretty high, if not maxed out and I've been getting smooth motion and frames around 40-60 even in high density areas.
    Would it help if I end Plan G after I've figured out the flightplan and just flew it instead of leaving it running in the background and looking at it's map from time to time?

  2. #2
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  3. #3

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    Quote Originally Posted by Hossfly68 View Post
    Does memory usage accumulate as the program runs until you've used it all or does it ever "reset" itself while you're flying?
    It should be freeing up memory as it goes but the general consensus is that available memory is lost over time. FSX starts with a chunk of available memory that it will use for various things. There is an upper limit on the size of that chunk that is small by today's standards. That shouldn't be a problem if you aren't too demanding with your expectations because a well-behaved program is conscientious at releasing memory when it's no longer needed. Apparently FSX is not always well-behaved, so it often holds onto memory it has allocated even when it no longer really needs it. This means that the memory available to FSX diminishes over time and eventually runs out.

    There are some practical things you can do to mitigate this situation. Many people will tell you what they, although not all of them are worth listening to. I don't think closing Plan-G will make any difference, assuming you actually have a sensible amount of physical memory installed.
    MarkH


  4. Default

    An out of memory condition is only going to happen with data being used by the Sim its self. Plan G wouldn't really fall into that category so I'm wondering if something else is going on. Just how much RAM do you have in your computer now because that could be a factor running the Sim and Plan G at the same time.

    Also, if you do have an out of memory condition you'll usually see an error box, not get a black screen. It could be a memory leak within Plan G or something else. I don't know.

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  5. Default

    FSUIPC4 has a built in warning system if your available VAS memory falls below 250mb.
    What it will do is give you a audible warning chime every 10 seconds.

    I was flying out of LaGuardia Airport (VERY DENSE SCENERY WITH ORBX GLOBAL, Aircraft with 4096 textures and Ultimate Traffic Live) and was getting this...


    "CHIME...CHIME...CHIME...CHIME..."

    You can save your flight before the OOM happens. Exit FSX.

    Then you can check the FSUIPC.log.


    ********* FSUIPC4, Version 4.959 (19th December 2016) by Pete Dowson *********
    Windows version reported as 6.1.?.7601
    fsx.exe version = 10.0.61637.0
    Reading options from "D:\Microsoft Flight Simulator X - Gold Edition\Modules\FSUIPC4.ini"
    Running inside FSX on Windows 7
    Module base=5FBB0000
    User Name="Jack"
    User Addr="DELETED"
    FSUIPC4 Key is provided
    WIDEFS7 not user registered, or expired
    312 System time = 10/10/2018 16:21:13
    312 FLT path = "C:\Users\Jack\Documents\Flight Simulator X Files"
    312 ------ Module Version Check ------
    312 acontain.dll: 10.0.61637.0
    312 api.dll: 10.0.61637.0
    312 controls.dll: 10.0.61637.0
    312 fs-traffic.dll: 10.0.61637.0
    312 G3D.dll: 10.0.61637.0
    312 language.dll: 10.0.61637.0
    312 sim1.dll: 10.0.61637.0
    312 visualfx.dll: 10.0.61637.0
    312 weather.dll: 10.0.61637.0
    312 window.dll: 10.0.61637.0
    312 ----------------------------------
    343 Trying to connect to SimConnect Acc/SP2 Oct07 ...
    343 FS path = "D:\Microsoft Flight Simulator X - Gold Edition"
    483 Finished: 0 Profile files created
    499 ---------------------- Joystick Device Scan -----------------------
    499 -------------------------------------------------------------------
    514 LogOptions=00000000 00000001
    514 -------------------------------------------------------------------
    514 ------ Setting the hooks and direct calls into the simulator ------
    514 --- CONTROLS timer memory location obtained ok
    514 --- SIM1 Frictions access gained
    514 --- FS Controls Table located ok
    514 --- Installed Mouse Macro hooks ok.
    514 --- Wind smoothing fix is fully installed
    514 --- G3D.DLL fix attempt installed ok
    514 --- SimConnect intercept for texts and menus option is off
    514 --- All links checked okay
    514 -------------------------------------------------------------------
    514 SimConnect_Open succeeded: waiting to check version okay
    514 Trying to use SimConnect Acc/SP2 Oct07
    514 Opened separate AI Traffic client okay
    13728 Running in "Microsoft Flight Simulator X", Version: 10.0.61637.0 (SimConnect: 10.0.61259.0)
    13728 Initialising SimConnect data requests now
    13728 FSUIPC Menu entry added
    13759 C:\Users\Jack\Documents\Flight Simulator X Files\Previous Flight.FLT
    13759 C:\Users\Jack\Documents\Flight Simulator X Files\IFR LaGuardia to Los Angeles Intl.PLN
    13759 D:\Microsoft Flight Simulator X - Gold Edition\SimObjects\Airplanes\QualityWings 787-9\Boeing 787-9 RR.AIR
    13759 C:\Users\Jack\Documents\Flight Simulator X Files\IFR LaGuardia to Los Angeles Intl.PLN
    70590 User Aircraft ID 1 supplied, now being used
    71183 System time = 10/10/2018 16:22:24, Simulator time = 11:56:55 (16:56Z)
    71183 Aircraft="QualityWings 787-9 ANA JA873A Star Wars 2015 Special Charter -SATCOM"
    72072 Starting everything now ...
    72353 Advanced Weather Interface Enabled
    397381 **** WARNING! Free memory is very low!
    407412 **** WARNING! Free memory is very low!
    447707 **** WARNING! Free memory is very low!
    467909 **** WARNING! Free memory is very low!
    488049 **** WARNING! Free memory is very low!
    498064 **** WARNING! Free memory is very low!
    508142 **** WARNING! Free memory is very low!
    518251 **** WARNING! Free memory is very low!
    528313 **** WARNING! Free memory is very low!
    538328 **** WARNING! Free memory is very low!
    548437 **** WARNING! Free memory is very low!
    558546 **** WARNING! Free memory is very low!
    568592 **** WARNING! Free memory is very low!
    578607 **** WARNING! Free memory is very low!
    588685 **** WARNING! Free memory is very low!
    594956 *** G3D bad pointer trapped and crash prevented ***
    598747 **** WARNING! Free memory is very low!
    608840 **** WARNING! Free memory is very low!
    613255 Sim stopped: average frame rate for last 542 secs = 6.7 fps
    613255 Max AI traffic was 272 aircraft (Deleted 0)
    613255 Average weather filter write interval in that time = 5264.7 msecs
    618902 **** WARNING! Free memory is very low!
    628949 **** WARNING! Free memory is very low!
    638995 **** WARNING! Free memory is very low!
    649057 **** WARNING! Free memory is very low!
    659104 **** WARNING! Free memory is very low!
    669150 **** WARNING! Free memory is very low!
    679197 **** WARNING! Free memory is very low!
    689259 **** WARNING! Free memory is very low!
    699352 **** WARNING! Free memory is very low!
    709399 **** WARNING! Free memory is very low!
    719461 **** WARNING! Free memory is very low!
    729554 **** WARNING! Free memory is very low!
    739600 **** WARNING! Free memory is very low!
    749662 **** WARNING! Free memory is very low!
    759756 **** WARNING! Free memory is very low!
    769802 **** WARNING! Free memory is very low!
    779864 **** WARNING! Free memory is very low!
    789958 **** WARNING! Free memory is very low!
    800004 **** WARNING! Free memory is very low!
    810066 **** WARNING! Free memory is very low!
    820159 **** WARNING! Free memory is very low!
    830206 **** WARNING! Free memory is very low!
    840268 **** WARNING! Free memory is very low!
    850361 **** WARNING! Free memory is very low!
    860408 **** WARNING! Free memory is very low!
    870438 **** WARNING! Free memory is very low!
    884791 System time = 10/10/2018 16:35:57, Simulator time = 12:05:56 (17:05Z)
    884791 *** FSUIPC log file being closed
    Minimum frame rate was 5.1 fps, Maximum was 10.2 fps
    Minimum available memory recorded was 131Mb
    Average frame rate for running time of 550 secs = 6.7 fps
    Average weather filter write interval in that time = 5341.0 msecs
    G3D fix: Passes 915244, Null pointers 0, Bad pointers 13, Separate instances 1
    Maximum AI traffic for session was 272 aircraft
    Memory managed: 704 Allocs, 704 Freed
    ********* FSUIPC Log file closed ***********

    To fix this I resized the QW 787 textures to 2048 and cut back the AI aircraft
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  6. #6
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    Default

    As CRJ says, an OOM usually throws a message at you that it is coming and will snatch your sim away.

    What you're looking at is more likely what is called a CTD (Crash To Desktop), but a CTD usually just gives you your desktop back and says nothing about what is happening.

    A necessary piece of information is how much RAM your computer has, and it would be nice to know what the Windows Error Report says.

    Jorgen

  7. #7

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    Quote Originally Posted by jorgen.s.andersen View Post
    As CRJ says, an OOM usually throws a message at you that it is coming and will snatch your sim away.

    What you're looking at is more likely what is called a CTD (Crash To Desktop), but a CTD usually just gives you your desktop back and says nothing about what is happening.

    A necessary piece of information is how much RAM your computer has, and it would be nice to know what the Windows Error Report says.

    Jorgen
    I agree with Jorgen, the amount of RAM and its' clock speed is a huge variable here.

    And sad to day, the more complex your aircraft and scenery get, the more problems you'll have. I find if I'm using heavy scenery I go with a simple aircraft and vice versa. That saves a lot of frustration!

    Michael
    i9-9900K CPU currently running 5gig + -, Aorus Z390 LGA 1151 MB, Kraken X61 280 mm water cooler, Corsair RM850X PS, Planteks full size tower, 32gig of DDR4 3200 RAM, EVGA 1080 GPU, 4TB "Black" HD, 1Tb SSD, joystick, rudder pedals, yoke, multi control panel, three monitors set up for panaramic views, Bose surround sound system, and a ton of powered usb ports.

  8. #8
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    There's a very useful freeware app called Smart RAM which is part of IOBit's Toolbox: https://download.cnet.com/IObit-Tool...-75221761.html
    This will monitor your RAM usage and free up RAM automatically, on the fly. It sits in the SysTray or the Taskbar and shows the amount of free RAM available in real time. Works like a charm for me.
    I run FSX Acceleration on mostly medium settings, with Radar Contact and FSGRW weather, and Smart RAM keeps around 1000mb of RAM available for me. There's no FPS hit whatsoever.
    Last edited by tiger1962; 04-20-2019 at 02:54 PM.
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  9. #9

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    Quote Originally Posted by tiger1962 View Post
    There's no FPS hit whatsoever
    And no benefit either, I would guess.
    MarkH


  10. Default

    Only 8gbs and 2.8Ghz speed, but she's always run pretty smoothly up until now. I keep turning off automatic updates though, and it keeps updating anyway. Did it the other night when I shut down and I wonder if that could be the culprit.

    Not the best flightsim rig, but it gets the job done most days. I'll back off on some settings and try again.
    HP Omen laptop
    Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz
    8GB A-DATA 2400MHz
    NVIDIA GeForce GTX 1050


    Oh! I did get a box saying there was an OOM error, just had to dig through the blackscreen blank space to find it. never got a chime warning though.
    I got the black screen again this morning with another program, so I'm guessing there's something else going on here. maybe a cascade of failures?
    Last edited by Hossfly68; 04-20-2019 at 03:45 PM.

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