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[L4D2] Server crash after 1-2 hours


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jeremyvillanueva
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Join Date: Jan 2021
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Old 01-29-2021 , 00:17   Re: [L4D2] Server crash after 1-2 hours
Reply With Quote #11

Quote:
Originally Posted by Marttt View Post
Summary: I didn't read the crash report and etc you sent.

There is a lot of type of crashes that could be occurring.

The most frequent crashes I'm used to is related to is:

1) Reaching the maximum entity count (204 => more players + more entities
2) Having too many precached entities
3) Bad plugins or deprecated gamedata
4) Specific bad optimized maps (usually custom) for plugins
5) Unexpected plugin behaviour on specific situations (e.g.: dropping a chainsaw)
6) Problem with handles (Bacardi mentioned above)

You can try removing plugins that precache and create new entities per client like Hats / Light / LMC if you are using any of them (just an example of the most often installed).

Besides famous servers like the ones you mentioned "don't crash", probably every server uses a plugin list. Maybe you have one that is leading to these crashes.

Btw is still missing the accelerator crash log that Dragokas asked and the txt files that Bacardi asked either.

Unfortunately, we don't have a magic ball to know what is the reason, without much technical info nobody can help you.

telling a story != giving technical information
Whoa thank you Marttt
This pretty sums up all the possible problems that I thought,
I am always thankful for this forum and all the valuable members!!

I want to add this other problems that I've came across:
- Network Rates Values and use of FPS / Tickrates (Possible DDoS)
- Updates on SM/MM
- Entities' Collisions and Detours Fixes
- CPU and Memory usage (Working with the platform, and n° cores and threads)
- WorkFlow of Game and Plugins

The last one is different from the 5th point that Marttt mentioned, because it's related to plugins events mapend, roundend, etc. and its dependancy on the game, I'm just working in using balance on my server, and I think that is related with my high ping and the crashes I got on another VPS

What I suggest, is that probably you may do a test of 1 man on the server and force from low to high rates, so you will reproduce the problem, using netgraph, when you have the minimum rate, press the engine generating a lot of bot players.

I got a question, there is some way to figure out the total number of players (survivors and infected, humans or bots), so we can keep a log of that number for debugging.

I'm happy to help you because I think that your server has a community full of love and caring,

Thank you.
Jeremy
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Dragokas
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Old 01-29-2021 , 11:06   Re: [L4D2] Server crash after 1-2 hours
Reply With Quote #12

Quote:
Originally Posted by Marttt View Post
Btw is still missing the accelerator crash log that Dragokas asked and the txt files that Bacardi asked either.
He provided.

But I still need one more Stack crash log for some comparison.
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Sout12
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Join Date: May 2017
Old 02-02-2021 , 21:44   Re: [L4D2] Server crash after 1-2 hours
Reply With Quote #13

Okay, sorry for being MIA from this forum. I am still experiencing crashes and will do the myhandle.txt comparisons will edit this post.

So these txt files are 1 hour apart with around 12-14 players on the server being played during the 1 hour.

myhandles1.txt https://pastebin.com/zXsj8Gfi

myhandles2.txt https://pastebin.com/pRbJxQc4

Last edited by Sout12; 02-02-2021 at 22:36.
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Dragokas
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Old 02-03-2021 , 02:32   Re: [L4D2] Server crash after 1-2 hours
Reply With Quote #14

Soul12, need one more crash log similar to one you posted here on pastebin.

About handles, looks like there is no such one, that could cause the crash.
But, I would still check the code for leaks related to:
abm.smx - type Trie
helpmenu.smx - type DataPack

Also, I would try to disable attachments_api.smx, since it is mentinoed here.
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Sout12
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Old 02-03-2021 , 07:12   Re: [L4D2] Server crash after 1-2 hours
Reply With Quote #15

Okay thank you for the reply, I will remove the "attachment" plugin and have the server crash 2-3 times and post the crash logs, will edit this post.
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Sout12
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Old 02-04-2021 , 23:19   Re: [L4D2] Server crash after 1-2 hours
Reply With Quote #16

Stack crash log1: https://pastebin.com/w4Z1B7Zf

Stack crash log2: https://pastebin.com/ypGAmNhz

Stack crash log3: https://pastebin.com/p1kHKw6i
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Dragokas
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Old 02-04-2021 , 23:47   Re: [L4D2] Server crash after 1-2 hours
Reply With Quote #17

Sout12,

Stack Crash post #8 != crash #1 != crash #3. Crash #2 is missing.

All your crashes are different. Looks like you have a lot of problems.

crash #1:
Quote:
CUtlRBTree overflow!
crash #3:
Quote:
ED_Alloc: no free edicts
You can find it yourself in your stack logs a bit below.

CUtlRBTree overflow! - is not quite well studied problem, see: https://forums.alliedmods.net/showpo...4&postcount=11 (mentioned cvar didn't help).

ED_Alloc: no free edicts - you have entities leaking. See: [DEV] Entity Limits Logger. I'm planning to update it soon, to have a final comparison for better detection of the concrete entity type leaking.

As about Crash post #8, it's possibly to fix, still it's better to get one more crash of that type to be sure.
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Last edited by Dragokas; 02-04-2021 at 23:48.
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Sout12
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Join Date: May 2017
Old 03-19-2021 , 09:35   Re: [L4D2] Server crash after 1-2 hours
Reply With Quote #18

Updated stack crash logs

1: https://pastebin.com/qrevUxmJ

2: https://pastebin.com/M11Sjyep

3: https://pastebin.com/AJRV4tR0

Can't post more being limited by pastebin for spam I guess

Last edited by Sout12; 03-19-2021 at 09:36.
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Dragokas
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Old 03-19-2021 , 15:24   Re: [L4D2] Server crash after 1-2 hours
Reply With Quote #19

All your presented crashes are completely different and they are quite complex.

Theoretically, I can fix most of them. But not for free. And, also I don't have required technical tools to fix your case at the moment. So, that requires quite a lot of time for preparation.

Instead, I would suggest you write down in one text file all the unique headers of each crash stack logs you have - exactly this one line only:
Quote:
server.dll + 0x3ee22
Then, to try to disable some part of plugins and collect statistics for let's say a week.
Then write down new crash stack headers in a separate logfile.

Compare both logs and see whether disabling of that part of plugins helped to fix at least some of the crashes.
--
Note, that any game update can break those + 0x... addresses, so you no longer could compare your old logs with the new logs.

PS. As about entities leaking, I updated my "Entity Limits Logger", so you can receive new logs with more realistic analysis.
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Last edited by Dragokas; 03-19-2021 at 15:26.
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Sout12
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Old 03-21-2021 , 23:39   Re: [L4D2] Server crash after 1-2 hours
Reply With Quote #20

Thank you a lot for the response once again, at this rate I am not sure which plugin to disable anymore. In the past I have tried to disable DHooks, loot drops and abm.

I can give u a updated plugins list I have and if u give me your steam profile link I could add u to the sharing list on https://crash.limetech.org/ so u could see all the crashes.

Plugins list: https://pastebin.com/AkLSz6Hw

Maybe you could suggest a plugin to disable?

Last edited by Sout12; 03-21-2021 at 23:39.
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