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Desynced Playerkill
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Description

I'm using a 1mbit DSL connection. Was playing with a friend, we ran arround together. He always lagged a bit, sometimes i didnt see him even when he said he is standing right next to me. Most of times, he appeared a bit later.

When we've been at northern airfield, he was looting a building, and i was "securing" the house. Suddenly i saw a person running away from the building across the runway in a straight way with fast speed. I asked my friend if it was him running, and he declined he was still in the house standing still.

So i started shooting the person that was already in the greenfield, still running away. When i shot, the person disappeared after 1-2 Seconds, and my friend told me he was dead, shot in the house trough walls. Unfortunatly, i didnt even target the direction of the house.

I think through my low connection, there was a heavy descync, and when i shot the person in the greenfield, i killed him. {F28561} {F28562}

Details

Legacy ID
2032316452
Severity
None
Resolution
Open
Reproducibility
N/A
Additional Information

Added a part of the net.log file, dont know if this helps.

Event Timeline

Spideklis edited Additional Information. (Show Details)Dec 19 2013, 3:30 AM
Spideklis set Category to category:aibehavior.
Spideklis set Reproducibility to N/A.
Spideklis set Severity to None.
Spideklis set Resolution to Open.
Spideklis set Legacy ID to 2032316452.May 8 2016, 2:35 PM
LudwigX added a subscriber: LudwigX.May 8 2016, 2:35 PM

I can confirm this is true. The same happened to me as well.

If that happens you are also not able to change any items in your hands and you won't see zombies/other players that attack you. (I can reproduce this easily when I play and someone else starts a download in my network).

Also the server seems to not drop all things that have missed and simply give me any new information. The Server rather tends to resend me any infos that I have missed. So every movement and item-related happens seconds or even minutes later.
If I shoot somebody, he dies right away

DayZ also sometimes has a VERY high demand on my connection, draining over 400kbit/s (download direction)

POSSIBLE TEMPORARY FIX:

So if you notice ^ happening to you, I think I found a way to (sort of) fix it. You have to leave the area, then log out, restart your game, and come back in. You should no longer be lagging...but you probably won't be able to go wherever it is that you desynched at. At least, you shouldn't stay there long.

SHORTER: Confirmed, massive and periodic network strain at the northwestern airstrip, mostly when entering the western most two story building, and the hangars. When I connect back, unable to switch weapons or use items.

LONGER:Somewhat confirmed here on my end as well. I have a rather low-end connection, and twice now that I've been to the airfield, I've had MASSIVE spikes of network strain. They are periodic, especially when I enter the hangers or the western-most two-story building. However, I've never been able to see other players or anything, but they've been able to see me moving in real-time as I did so. My friends did not have the same issue, even though one is living in Australia (albeit with a better connection than mine, most likely with more bandwidth).

(Also, to clarify, by my "low end" connection, I mean it should, technically, only be a step below standard DSL. Our speed is fine, however, our bandwidth is laughable. Any video or web page loading debilitates our connection whatsoever, usually spiking our latencies above 1000ms.)

Just because...I'll upload my net log as well.

Seleyon added a subscriber: Seleyon.May 8 2016, 2:35 PM

That's a good question...i just did what the bug report guide told to do so i took a look if there was a note about that issue allready. Either Spideklis edits his post or we open a new ticket^^

How is this AI behaviour?

Confirmed i got killed because of this desync issue as well. Was in the west prison building on Ballota Airstrip on the top floor with a few friends. I was in the top room crouched looking out the window and then a friend said "Look out" and then i died.
And my body apparently was at the staircase where i according to my friend got shot.

While on my screen i was in the room :P

I can confirm that aswell. A friend of me was having a desync of 20000 and saw me moonwalking on a spot where i've been 5 minutes ago.
He put it to a test and asked if he could shoot my moonwalking self.

I said it's ok because i was accutally right beside him. I saw him shooting and my screen turned black displaying "you are dead". He first didn't saw my dead body but after a while i apeared beside him.

It happened 15.01. His and my verion are 0.30.114008.