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Problems -> Solutions (Make it easy)

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  20:21:12  6 April 2007
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::philix::transa::
Ready...smile..sniping...
(Resident)

 

 
On forum: 12/25/2003
Messages: 276
Problems -> Solutions (Make it easy)

Problems ---> Solutions !

I'm back after 2 years of being in a "vacation" from the S.T.A.L.K.E.R hype, finally the game is out.
Good To be here again.

I want to make it easy on all of you.

Please, People who have the latest Problems, LINK referrals to good PATCHES, and SIMPLE solutions to common bugs

POST IT HERE!!!!

There are too many scattered POSTS about that, make it simple for FRESHMAN !

Thanks.
  20:30:06  6 April 2007
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Don Reba
Bishop and Councilor of War
(Moderator)

 

 
On forum: 12/04/2002
Messages: 11553
Glad to see you back.
  21:30:21  6 April 2007
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mannequin
(Novice)
 
On forum: 03/25/2007
 

Message edited by:
mannequin
04/06/2007 21:43:27
Messages: 26
various

1)) stretched textures
http://www.gsc-game.com/index.php?t=community&s=forums&s_game_type=xr&thm_page=1&thm_id=4768&sec_id=12
(read later posts for possible solutions)

2)) CONSTANT freezing / lockups / crashes
http://www.gsc-game.com/index.php?t=community&s=forums&s_game_type=xr&thm_page=1&thm_id=4734&page=25&sec_id=12

by Rattenkrieg

---QUOTATION---
Success!!!

OK after reading the new tweak guides Stalker article I tried one thing mentioned in the section about stuttering and it worked divdends. That is I disable prefetching.

You do this by adding '-noprefetch' to the shortcut to your Stalker executable.

Now I can run the game on med/high settings with full dynamic lighting and overall good performance. It still stutters a bit but it does not lock and crash and it is minimal. This is a tremendous increase from being only able to just run the thing on static lighting with constant freezes and crashes.

So here's what I have done in total to sort my issues out;
- Applied the registry tweak (this fixed the crashes).
- Terminate the CCC and MOM (ie. ATI processes) before launching the game.
- Disabled prefetching.

I think that the root of Stalkers problems are how it handles caching, lets think about it, prefetching is where a game pre-loads resources it needs to memory before loading a level. I believe that under certain circumstances the game is loading too much stuff it doesn't need resulting in a lot of data being swapped out of and replaced from both your page file and RAM during play causing the stuttering. With prefetching disabled you get about 10 seconds of stuttering and caching at the start of a level as it loads necessary stuff and then it levels out into a very smooth ride with a little hitch here and there.

I think also that the ATI drivers clash with the games memory management in some way also.

In any case I am finally able to enjoy a pitch black night and some proper lighting and texture effects
---END QUOTATION---



3)) Vid_Restart doubles my FPS when my FPS's get low. Why??
http://www.gsc-game.com/index.php?t=community&s=forums&s_game_type=xr&thm_page=1&thm_id=4768&sec_id=12

by wazooda

---QUOTATION---
Generally I get between 30 - 70 fps while playing the game with HIGH settings selected and lowering a bit of the grass density as well as maxing out the textures.

However, at times I find that my framerates drop into the mid - high teens.

In the past, I have attributed this to the current locale in the game as this tends to happen when I enter a higher density area (i.e. more vegatation, more buildings, more objects about, etc.).

Quite by accident I discovered that when this happens, if I go to the console and type vid_restart, my framerates will, 95% of the time, at least double back into the mid-thirties and often go higher.

Needless to say, I did nothing to change my point-of-view in the game, nor did I go mess with the graphics settings. All I do is go to the console, type it in, watch the screen blank for a sec, and then everything is once again smooth as butter..... until the cycle repeats.

Hard to measure how long until the cycle repeats as it depends upon where you go on the map.... but tonight during about and hour and a half of gametime, it happened twice.

Could this be some type of GPU memory leak??

I'm running XP SP 2, 7800 GTX SLI, X2 4800 , 93.71 drivers and play at resolution 1600x1024.

I'm using FRAPS to measure the fps, and just leave the display running in the upper right while I play.

I'm curious for thoughts or whether other people can replicate this.
---END QUOTATION---

  22:03:31  6 April 2007
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::philix::transa::
Ready...smile..sniping...
(Resident)

 

 
On forum: 12/25/2003
Messages: 276
Thank you Don


---QUOTATION---
Glad to see you back.
---END QUOTATION---



Glad to be back. Had to refresh my system for a while.
Had anyone already had the success with finishing the game, or the bugs hold you up?
  22:30:51  6 April 2007
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TRIC
(Novice)
 
On forum: 03/24/2007
 

Message edited by:
TRIC
04/06/2007 22:41:47
Messages: 22
4)) VISTA/8800 crashes (When pressing Esc. or F6 for quicksaving)
[link]http://www.gsc-game.com/main.php?t=community&s=forums&s_game_type=xr&thm_page=4&thm_id=4926&sec_id=12[/link]

by jmisola


---QUOTATION---
As many of you, when i pressed Escape to go to the menu to save i got dropped to desktop.
Like on "supreme commander" on vista, memory management seems to be the problem.
So you can fix that with this patch: http://files.filefront.com/3GB_enabler2zip/;6791818;;/fileinfo.html

PLEASE READ THE readme.txt FILE BEFORE !!!
This is for advanced users... If you don't understand this file, so forget this solution and wait for an official patch. And as always, I will NOT be held responsible for what happens to your Windows VISTA !

This patch/solution was release for supreme commander but it seems to works for me on stalker.
Just replace all "supremecommander.exe" with "XR_3DA.exe" on the startme.bat file.
This patch will modify the header of XR_3DA.exe to have this option: "Application can handle large (>2GB) addresses"

Important note:
"For Vista:
Vista 32 bit (not x64) needs to run this command instead of the XP boot.ini change mentioned in the readme.txt.
At a command prompt:
Code:
BCDEDIT /set increaseuserva 2900

The readme.txt has the rest of the directions that should be applied in reference to the image header.
Vista x64 doesn't need the bcdedit, just run the startme.bat I supply as mentioned in the readme."

Thanks to MadBoris for this solution on Supremecommander.
original thread: http://forums.gaspowered.com/viewtopic.php?t=2382
---END QUOTATION---



by osuperman


---QUOTATION---
You need to open command prompt as an administrator...

Type into the start menu search bar, "cmd", but instead of hitting the Enter key, press Ctrl[plus]Shift[plus]Enter, this will allow an administrator command prompt, it will pop up with an authentication request first.
---END QUOTATION---



by DAOWAce


---QUOTATION---
Sometime 'editbin /LARGEADDRESSAWARE XR_3DA.exe' may not work, so forget about that and just do the BCDEDIT command.

The Editbin command is the same exact thing as using the Batch file provided in the archive.

If you don't feel safe about editing the Batch file to be useable with Stalker, then download my edited one: http://rapidshare.com/files/23252938/3GB_Enabler.zip


Simply put, for Vista users;

Extract the ZIP archive to a folder of your choosing. (Such as your desktop.)
Make a backup of your original XR_3DA.exe file.
Copy or Move your XR_3DA.exe file into the folder you extracted the 3GB Enabler to.
Run the 'Startme.bat' file, follow the instructions.

After that's all done...

VISTA 32:
Open command prompt as Administrator.
Type: 'BCDEDIT /set increaseuserva 2900' (without quotes)
REBOOT.

VISTA 64: You do not need to do anything else, just start the game and play.


Hopefully that clears up any confusion and makes it easier for users to apply this fix.
---END QUOTATION---

  15:56:14  7 April 2007
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M0ldyM!LK
(Senior)
 
On forum: 03/24/2007
Messages: 149
Possible solution to stutters and lockups

Disable Prefetching

It was asked in another thread that I make this information more readily available instead of scavenging through a 20 page thread, so here it is.

So, how do you disable prefetching?

Simple! I included some pictures for reference.

First, find your STALKER shortcut, and right click it. Click the properties tab, as seen here.

http://img.photobucket.com/albums/v91/M0ldyM1lk/12312.jpg

Next, add the "-noprefetch" command to the target line.

http://img.photobucket.com/albums/v91/M0ldyM1lk/5633.jpg

You'll notice that I also have the "-nointro" command, which disables the THQ logos, etc upon startup and takes you right to the menu. After placing the command, click "Apply", then boot up Stalker.
  08:18:06  8 April 2007
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Roki
(Senior)
 
On forum: 03/05/2007
Messages: 140
For the average person what is pre fetching ?
  08:29:21  8 April 2007
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Decane
Senior Resident
 

 
On forum: 04/04/2007
 

Message edited by:
Decane
04/08/2007 9:03:57
Messages: 1666

---QUOTATION---
For the average person what is pre fetching ?
---END QUOTATION---



Preloading of game-specific information. Basically, when you're playing a game, things like objects and textures need to be loaded, and if the game has lots of these objects/textures/whatever to load, it will slow down because it needs lots of hardware power to do load all of this quickly. Prefetching makes it so that much of these resources are actually loaded prior to you starting to play. So when you're staring at the "loading.." screen, that information is actually already being cached, and is then ready to be loaded when it is needed. I can't explain it in any simpler terms.

Oh yeah, and the reason why disabling prefetching is actually making performance better, and causing less "stutter" or pauses, is because STALKER is too aggressive in prefetching. That is, it loads too much information into your RAM memory (which is faster than your hard drive memory), and since many people don't have enough RAM to have all that information fit in it, some hard drive memory (virtual memory, or "pagefile" ) needs to be used. When those resources are then needed by the game, it has to wait until the resources are swapped from you slow hard drive memory to your RAM. This causes stutter, and even crashes.
  19:49:36  8 April 2007
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steeler
(Novice)
 
On forum: 04/04/2007
 

Message edited by:
steeler
04/08/2007 19:57:17
Messages: 24

---QUOTATION---
Possible solution to stutters and lockups

Disable Prefetching

It was asked in another thread that I make this information more readily available instead of scavenging through a 20 page thread, so here it is.

So, how do you disable prefetching?

Simple! I included some pictures for reference.

First, find your STALKER shortcut, and right click it. Click the properties tab, as seen here.

http://img.photobucket.com/albums/v91/M0ldyM1lk/12312.jpg

Next, add the "-noprefetch" command to the target line.

http://img.photobucket.com/albums/v91/M0ldyM1lk/5633.jpg

You'll notice that I also have the "-nointro" command, which disables the THQ logos, etc upon startup and takes you right to the menu. After placing the command, click "Apply", then boot up Stalker.
---END QUOTATION---


I cant get it working,it says my target is not valid.
I got it working now.
  10:18:09  10 April 2007
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psorcerer
(Novice)
 
On forum: 05/16/2004
Messages: 24

---QUOTATION---

Oh yeah, and the reason why disabling prefetching is actually making performance better, and causing less "stutter" or pauses, is because STALKER is too aggressive in prefetching. That is, it loads too much information into your RAM memory (which is faster than your hard drive memory), and since many people don't have enough RAM to have all that information fit in it, some hard drive memory (virtual memory, or "pagefile" ) needs to be used. When those resources are then needed by the game, it has to wait until the resources are swapped from you slow hard drive memory to your RAM. This causes stutter, and even crashes.
---END QUOTATION---



If it were so simple the devs would have changed that.
In my opinion (based on what I've seen in the game config files) the prefetch was intended for the data streaming when the Zone was planned to be united, without transitions. Somehow it was left checked in the release version.
 
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