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Old 07-11-06, 03:33 AM   #1
AsM0DeUz
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Unhappy Lag every 10-15 sec when playing Doom III or Quake 4

Hi,

When i play games like Doom III and Quake 4, there is lags during the game every 10/15 seconds. I'm not playing online and haven't enabled composite. The most weird part is it lags even when i'm in the menus. Ain't easy to frag this way

My config is

Gentoo 2005.1 kernel is 2.6.15-R7
Nvidia 8762
2x 6600GT in SLI config (Same problem with SLI disabled)

Regards
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Old 07-11-06, 03:55 AM   #2
whig
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Default Re: Lag every 10-15 sec when playing Doom III or Quake 4

I had similar stutters in Q3A, until I compiled ATA drivers for my motherboard into the kernel.
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Old 07-12-06, 07:32 AM   #3
AsM0DeUz
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Default Re: Lag every 10-15 sec when playing Doom III or Quake 4

Quote:
Originally Posted by whig
I had similar stutters in Q3A, until I compiled ATA drivers for my motherboard into the kernel.
Unfortunately, i use a SATA disk and the drivers are not loaded as module but build in the kernel

I've upgrade my kernel last night ... and i've some new problems to handle first

I'll check if the problem's still there ... otherwise you'll hear me back

Regards
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Old 07-12-06, 08:57 AM   #4
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Default Re: Lag every 10-15 sec when playing Doom III or Quake 4

Have a look at (h)top for some CPU eating processes... some starting process can easily cause this.
I can remember that gkrellm did this by executing "nvidia-settings" every 5 seconds (until they fixed it).
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Old 07-13-06, 12:16 AM   #5
whig
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Default Re: Lag every 10-15 sec when playing Doom III or Quake 4

My ATA drivers are in the kernel, not as modules, like you. I suggest you hunt around the kernel looking for options to support your motherboard, SATA chipset etc.
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Old 07-13-06, 06:11 AM   #6
SaTaN0rX
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Default Re: Lag every 10-15 sec when playing Doom III or Quake 4

you DID run top to see if there was some cpu hog?

this happened a couple of time to me while i was playing ut2k4.
the problem was that i started ut2k4, leaving all apps on the desktop running.

among them was firefox that showed some flash animations.
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Old 07-13-06, 04:29 PM   #7
kriko
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Default Re: Lag every 10-15 sec when playing Doom III or Quake 4

Shut down some programs, you might also launch doom 3 from pure console (example):
$xinit /usr/local/games/doom3

I had this problem, it was caused by superkaramba themes on desktop.
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Old 07-14-06, 01:41 PM   #8
AsM0DeUz
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Default Re: Lag every 10-15 sec when playing Doom III or Quake 4

Unfortunately i haven't find any cpu eating processe Nothing special in top ...

I'm using Xfce as a window manager It is very light !

I'll try to launch doom from a terminal and see ...

Thanks & regards
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Old 07-14-06, 10:57 PM   #9
longshot
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Default Re: Lag every 10-15 sec when playing Doom III or Quake 4

In the past sound was causing pause like issues for me with UT2004 (AlienSwarm mod). I've been using the hardware accelerated OpenAL implementation (soundblasters only, www.lost.org.uk/openal.html) for the last year or so and I've found it works better for me ...

The one specific other process which kills ut2004 for me is updatedb running as a cron job, if I happen to be playing online at 3am
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