Entering multiplayer server gets stuck at "Net Sim Post Start"

Flappie · November 9, 2021

I'm not sure this is the right log: I see you going multiplayer only once, and you didn't stay long before returning to main menu (7 seconds between "connected to server" and "MainMenu"):

2021-11-09 02:25:16.636 INFO    APP: Screen: MainMenu
2021-11-09 02:25:17.817 INFO    NET: client has started
2021-11-09 02:25:17.817 INFO    NET: Using LEDBAT for UDP congestion control.
2021-11-09 02:25:18.671 INFO    NET: got 1326 servers from the master.
2021-11-09 02:25:27.775 INFO    APP: Screen: Client
2021-11-09 02:25:27.905 INFO    NET: connected to server
2021-11-09 02:25:27.905 INFO    NET: Current ping: 0.0ms
2021-11-09 02:25:27.906 INFO    TACVIEW.DLL: Tacview Flight Data Recorder 1.8.6.201 Loaded.
2021-11-09 02:25:27.906 INFO    TACVIEW.DLL: Config={tacviewModuleEnabled=1, tacviewFlightDataRecordingEnabled=1, tacviewSinglePlayerFlights=2, tacviewMultiplayerFlightsAsClient=2, tacviewMultiplayerFlightsAsHost=2, tacviewBookmarkShortcut=0, tacviewAutoDiscardFlights=10, tacviewDebugMode=0, tacviewTerrainExport=0, tacviewRealTimeTelemetryEnabled=1, tacviewRealTimeTelemetryPort=42674, tacviewRealTimeTelemetryPassword="", tacviewRemoteControlEnabled=0, tacviewRemoteControlPort=42675, tacviewRemoteControlPassword=""}
2021-11-09 02:25:27.906 INFO    TACVIEW.DLL: Running as a client in a multiplayer session.
2021-11-09 02:25:27.906 INFO    TACVIEW.DLL: Tacview is set to [Record All Available Data]
2021-11-09 02:25:28.306 INFO    LuaNET: Trying to Launch SRS @ C:\Program Files\DCS-SimpleRadio-Standalone
2021-11-09 02:25:34.346 INFO    Dispatcher: loadMission C:\Users\rippe\Saved Games\DCS.openbeta\Tracks\Multiplayer\4YA_Cauc_Capture_Base_v3.8_Maykop_[01_JAN_OVC]-20211108-202528.trk
2021-11-09 02:25:34.353 INFO    WORLDGENERAL: loading mission from: "C:\Users\rippe\Saved Games\DCS.openbeta\Tracks\Multiplayer\4YA_Cauc_Capture_Base_v3.8_Maykop_[01_JAN_OVC]-20211108-202528.trk"
2021-11-09 02:25:34.565 INFO    APP: use_xRay: yes
2021-11-09 02:25:34.565 INFO    APP: netfm_enable_coeff_switching: yes
2021-11-09 02:25:34.814 INFO    EDCORE: (dDispatcher)enterToState_:4
2021-11-09 02:25:34.814 INFO    Dispatcher: Start
2021-11-09 02:25:34.849 INFO    APP: Screen: MainMenu

ripper998 · November 9, 2021

So every time it gets to the net sim start up I have to task manager and quit DCS because its completely frozen. This is the only DCS.log file in my folder

Flappie · November 9, 2021

Have you rebooted your router?

ripper998 · November 9, 2021

I have not but this morning it appears to be working again. It could have been an issue with my PC.

Flappie · November 9, 2021

Great. Come back here if it happens to you again.

hu16flier · April 10, 2022

DCS is shutting down on its own anytime I try and connect to a server. I tried to reboot my router but no dice. Any ideas on how i can fix this?

dcs.log

Flappie · April 10, 2022

It seems your game gets stuck on this error :

2022-04-10 11:11:22.606 ALERT   APP: Unhandled exception: Descriptor not found weapons.shells.M61_20_AP

Chances are one of your mods is causing this. Disable them one by one until the game works fine.

MickV · April 16, 2022

Having same problem. Getting stuck at net sim post start crash on attemping to join an MP server. Have to Task Manager out and shut down DCS. 100% reproducible. Log attached (I think).

No issues connecting to MP yesterday.

Restarted router twice as per suggestions earlier in thread with no improvement.

Thanks in advance.

dcs.log

Flappie · April 16, 2022

Have you tried a DCS repair yet? If not, give it a go and choose the "slow" method.

https://www.digitalcombatsimulator.com/en/support/faq/repair/#2463807

MickV · April 16, 2022

10 hours ago, Flappie said:

Have you tried a DCS repair yet? If not, give it a go and choose the "slow" method.

https://www.digitalcombatsimulator.com/en/support/faq/repair/#2463807

I had not, but have now done so.

Same result, unfortunately. Single-player works fine, but attempting to connect to any MP server gets hung up at net sim post start. Leaving it for 15-30 mins will occasionally get it to connect, but with crippling lag, any mouse input provokes freezes the program and requires task manager to shut down.

Most recent log attached.

dcs.log

Flappie · April 16, 2022

Someone solved a similar issue by updating his graphic driver.

Edited April 16, 2022 by Flappie

MickV · April 16, 2022

2 hours ago, Flappie said:

Someone solved a similar issue by updating his graphic driver.

Updated drivers as per your suggesion. Looked like it worked, as I subsequently attempted to join an MP server with only 1 player on as a test, and it worked like a dream@ Loaded very quickly, near-zero lag. Ok, great I thought.

So I tried another server with 10 or 12 players on - same crash. Complete system lock at net sim post start that even crashed task manager and froze my mouse. Took my system about 20 mins to return to normal function. Log attached.

I appreciate the help. Just baffled why this has happened only since yesterday afternoon. Was working well prior to that.

dcs.log

Edited April 16, 2022 by MickV
formatting error

Flappie · April 17, 2022

This looks like an external program is messing with DCS. Add this path as an exception to your antivirus software: "C:\Program Files\Eagle Dynamics\DCS World".

Still no dice? Then look into your Windows update history, search for a change that occured at the moment DCS started acting crazy.

MickV · April 17, 2022

As per your suggestion, I uninstalled the most recent Windows updates from 14 April, and that has seemed to do the trick as of this AM. One of the updates was a Windows Security definitions patch.

I tested it by connecting to a Cold War server with a limited roster of aircraft and only a couple of players, and it loaded up very quickly, with zero lag.

I then tried one of the busier servers that had previously locked my system, with the full whack of available planes and 15ish players.

It still hangs at 'net sim post start'; however, after about 4-5 mins it connected as previously, and ran reasonably well with intermittent lag.

Thanks for the help and the suggestions. I'm going to upgrade to SSD storage on my PC, hopefully that will improve loading times and keep it stable. A new build is likely on the horizon as well.

Appreciate the prompt responses, thank you!

Flappie · April 17, 2022

I'm glad I could help.

Thanks for your precious feedback. It seems you're not the only one encountering this issue. I'll suggest your solution to the others.

Derbroomaster · August 2, 2022

Hello,

DCS is crashing when I try to connect to a specific multiplayer server. Crashes soon after start Net Sim Post Start. It works on one or two others I frequent, but crashes every time I try to connect to one in Canada (SFROG, if that matters).

Running latest versions of Open Beta.

nVidia drivers are up to date.

Router is reset.

Ran cleanup.

Ran repair (slow).

Log attached.

dcs.20220802-164248.dmp dcs.20220802-164248.log dxdiag.txt dcs.20220802-164248.crash

Edited August 2, 2022 by Derbroomaster

Flappie · August 2, 2022

Hello. What you're getting looks a geunine DCS crash (I mean: not a crash caused by external software nor hardware fault):

2022-08-02 16:42:47.839 INFO    EDCORE: # -------------- 20220802-164248 --------------
2022-08-02 16:42:47.841 INFO    EDCORE: DCS/2.7.16.28111 (x86_64; Windows NT 10.0.19044)
2022-08-02 16:42:47.842 INFO    EDCORE: S:\DCS World OpenBeta\bin\Weapons.dll
2022-08-02 16:42:47.844 INFO    EDCORE: # C0000005 ACCESS_VIOLATION at 4A0F8116 00:00000000
2022-08-02 16:42:47.846 INFO    EDCORE: SymInit: Symbol-SearchPath: '.;S:\DCS World OpenBeta;S:\DCS World OpenBeta\bin;C:\WINDOWS;C:\WINDOWS\system32;SRV*C:\websymbols*https://msdl.microsoft.com/download/symbols;', symOptions: 528, UserName: 'DerBr'
2022-08-02 16:42:47.848 INFO    EDCORE: OS-Version: 10.0.19044 () 0x100-0x1
2022-08-02 16:42:48.372 INFO    EDCORE: 0x00000000000E8116 (Weapons): wBarrel::disarmPrefireState + 0x6
2022-08-02 16:42:48.374 INFO    EDCORE: 0x00000000000BA82A (Weapons): cLauncher::cancelAssign + 0x28A
2022-08-02 16:42:48.374 INFO    EDCORE: 0x00000000000E4191 (Weapons): wArmour_scheme::set_ws + 0x1DC1
2022-08-02 16:42:48.374 INFO    EDCORE: 0x00000000000E23C1 (Weapons): cLauncherRocket::setDiffInitStatus + 0x54C1
2022-08-02 16:42:48.374 INFO    EDCORE: 0x00000000000C0692 (Weapons): cLauncher::net_setBarrelsAndStowagesStatus + 0x182
2022-08-02 16:42:48.375 INFO    EDCORE: 0x00000000000C26FA (Weapons): cLauncher::setDiffInitStatus + 0x1CA
2022-08-02 16:42:48.375 INFO    EDCORE: 0x00000000000D920A (Weapons): wAmmunitionVikhr::Ny + 0x613A
2022-08-02 16:42:48.375 INFO    EDCORE: 0x00000000000D1E55 (Weapons): woMissile::getTemperature + 0x10F5
2022-08-02 16:42:48.375 INFO    EDCORE: 0x000000000010FBE3 (Weapons): wWeaponSystem::setDiffInitStatus + 0x553
2022-08-02 16:42:48.375 INFO    EDCORE: 0x000000000011E2DB (Weapons): wWeaponSystemManager::setDiffInitStatus + 0x9B
2022-08-02 16:42:48.375 INFO    EDCORE: 0x0000000000096FEB (Transport): woCar::setDiffInitStatus + 0x18B
2022-08-02 16:42:48.376 INFO    EDCORE: 0x0000000000092506 (Transport): woCar::netCreate + 0x466
2022-08-02 16:42:48.376 INFO    EDCORE: 0x000000000009D484 (Transport): woCar::useMarkedSmoke + 0x36C4
2022-08-02 16:42:48.376 INFO    EDCORE: 0x0000000000100983 (edCore): Mail::Reader::stream + 0x1473
2022-08-02 16:42:48.376 INFO    EDCORE: 0x0000000000A0A0FC (DCS): SW + 0x6E42BC
2022-08-02 16:42:48.376 INFO    EDCORE: 0x0000000000A0A3B1 (DCS): SW + 0x6E4571
2022-08-02 16:42:48.376 INFO    EDCORE: 0x0000000000A39489 (DCS): SW + 0x713649
2022-08-02 16:42:48.376 INFO    EDCORE: 0x0000000000A1EEDA (DCS): SW + 0x6F909A
2022-08-02 16:42:48.377 INFO    EDCORE: 0x00000000009F4392 (DCS): SW + 0x6CE552
2022-08-02 16:42:48.377 INFO    EDCORE: 0x0000000000856810 (DCS): SW + 0x5309D0
2022-08-02 16:42:48.377 INFO    EDCORE: 0x00000000008276C4 (DCS): SW + 0x501884
2022-08-02 16:42:48.377 INFO    EDCORE: 0x0000000000827A9D (DCS): SW + 0x501C5D
2022-08-02 16:42:48.377 INFO    EDCORE: 0x0000000001D3DEB4 (DCS): AmdPowerXpressRequestHighPerformance + 0xECCEB0
2022-08-02 16:42:48.377 INFO    EDCORE: 0x0000000000A7150E (DCS): SW + 0x74B6CE
2022-08-02 16:42:48.377 INFO    EDCORE: 0x0000000000017034 (KERNEL32): BaseThreadInitThunk + 0x14
2022-08-02 16:42:48.378 INFO    EDCORE: 0x0000000000052651 (ntdll): RtlUserThreadStart + 0x21
2022-08-02 16:42:48.522 INFO    EDCORE: Minidump created.

We can see the Vikhr missile is probably the source of the crash. I'm not sure what's in that mission...

This crash looks very much like this one:

Hey @Shadow KT ! Do you know if we eventually found out what was causing this crash of yours?

Derbroomaster · August 2, 2022

1 hour ago, Flappie said:

Hello. What you're getting looks a geunine DCS crash (I mean: not a crash caused by external software nor hardware fault)

Well, that's something at least. Thanks very much for looking and I'll stay tuned.

Flappie · August 2, 2022

I'm able to join the SFROG server without a crash. Maybe you need to reinstall the game, I'm not sure.

But first, try renaming your "Saved Games/DCS..." folder and see if you can connect the SFROG server without crashing.

(do NOT delete your "Saved Games/DCS..." folder, simply rename it and keep it as a backup)

Shadow KT · August 6, 2022

On 8/2/2022 at 9:16 PM, Flappie said:

Hey @Shadow KT ! Do you know if we eventually found out what was causing this crash of yours?

Sorry.... I ended up banning BMP-2s from my missions Only so much time can you spend waiting for something to be fixed or even looked at.

Derbroomaster · August 7, 2022

On 8/2/2022 at 6:02 PM, Flappie said:

I'm able to join the SFROG server without a crash. Maybe you need to reinstall the game, I'm not sure.

But first, try renaming your "Saved Games/DCS..." folder and see if you can connect the SFROG server without crashing.

(do NOT delete your "Saved Games/DCS..." folder, simply rename it and keep it as a backup)

Did this. Still happening. Now it's even occurring with servers that worked yesterday.

dxdiag.txt dcs.20220807-162552.crash dcs.20220807-162552.dmp dcs.20220807-162552.log

Flappie · August 7, 2022

OK, then you should revert, if you haven't already:

Rename your current "Saved Games/DCS.openbeta" to "DCS..openbeta_nope"
Rename your previous "Saved Games/DCS..." to "DCS.openbeta".

You should open a support ticket. Log in to DCS website, click Support, then click "Create a new ticket".

Wiggo · March 27, 2023

This has now happened for me even in SP (and MP) but ONLY with persian gulf map. Last time it helped when just deleted / renamed (temporarely) the saved games / dcs / missioneditor folder. Today it did not help. Just cant open persian gulf map in ANY mode. Think I will try to re-install whole module, but truly think it will not help, as this has been a known problem, for some users, with some maps for a long time. There is actually some other feeds also about same post start jam, in different game modes. I have had it most with SP campaings.

silverdevil · March 27, 2023

14 minutes ago, Wiggo said:

This has now happened for me even in SP (and MP) but ONLY with persian gulf map. Last time it helped when just deleted / renamed (temporarely) the saved games / dcs / missioneditor folder. Today it did not help. Just cant open persian gulf map in ANY mode. Think I will try to re-install whole module, but truly think it will not help, as this has been a known problem, for some users, with some maps for a long time. There is actually some other feeds also about same post start jam, in different game modes. I have had it most with SP campaings.

hello. also try to run a repair of DCS if reinstall does not work..

Wiggo · April 11, 2023

On 3/27/2023 at 11:28 PM, silverdevil said:

hello. also try to run a repair of DCS if reinstall does not work..

Repair + temp "move/rename" of mission editor folder in saved games fold. did the job, after 4 times This is clearly some weirdamob, BUT have not seen it for a while (knocking the wood...) But yeah. Havent seen it since last post.

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Entering multiplayer server gets stuck at "Net Sim Post Start"

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