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Old 08-04-08, 12:10 PM   #337
ledoc
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Default Re: nVidia 8000/9000 Series Performance Issues

@TheBlackCat,mumhero: Did you try using XGL? For me, that has improved the 'user experience' drastically.
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Old 08-04-08, 12:52 PM   #338
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Default Re: nVidia 8000/9000 Series Performance Issues

Quote:
Originally Posted by ledoc View Post
@TheBlackCat,mumhero: Did you try using XGL? For me, that has improved the 'user experience' drastically.
How did you do that, specifically? And are you talking about for the nv driver or the binary driver? I thought nvidia had problems with xgl.
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Old 08-04-08, 01:05 PM   #339
_john_i_
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Default Re: nVidia 8000/9000 Series Performance Issues

Quote:
Originally Posted by TheBlackCat View Post
How did you do that, specifically? And are you talking about for the nv driver or the binary driver? I thought nvidia had problems with xgl.

Actually xgl works great on the nvidia binary driver. I'm using it too until the driver 2D performance is fixed. Too bad they aren't going to continue xgl development.

It basically renders your desktop using the 3D hardware on the card and makes everything smooth. The one drawback is 3D performance suffers, but for games and such you can just start a second X server, or change the DISPLAY variable so it renders on the underlying X server.
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Old 08-04-08, 01:07 PM   #340
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Default Re: nVidia 8000/9000 Series Performance Issues

Quote:
Originally Posted by TheBlackCat View Post
How did you do that, specifically? And are you talking about for the nv driver or the binary driver? I thought nvidia had problems with xgl.
Runs fine here (8600-ish GPU) with the 173 driver (but also other versions did). I'm running debian unstable and simply installed the latest xserver-xgl package from ubuntu (i.e. XGL is then running on top of xorg).
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Old 08-04-08, 01:20 PM   #341
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Default Re: nVidia 8000/9000 Series Performance Issues

I already have Xgl installed from the looks of things. Is there a line in my xorg.conf I need in order to enable it? I am using Opensuse 11.0, not that it should make a difference for xorg.conf
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Old 08-04-08, 01:26 PM   #342
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Default Re: nVidia 8000/9000 Series Performance Issues

@TheBlackCat: Yast > Sysconfig Editor and there got to Desktop > Display Manager > DISPLAYMANAGER_XSERVER.
Change the value from Xorg to Xgl.
Then type as root in a console
Code:
rcxdm restart
.
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Old 08-04-08, 01:33 PM   #343
ledoc
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Default Re: nVidia 8000/9000 Series Performance Issues

As for xorg.conf, I have removed all nvidia specific options except for nologo=true (sic) and things work better than ever.
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Old 08-04-08, 07:54 PM   #344
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Default Re: nVidia 8000/9000 Series Performance Issues

The XGL trick seems to have worked great. Thanks!
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Old 08-05-08, 02:21 AM   #345
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Default Re: nVidia 8000/9000 Series Performance Issues

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Originally Posted by mumhero View Post
I buy a thinkpad t61 recently, which has a nvs 140m. The kde4.1 performance is horrible. All apps are laggy and unresponsive, the CPU usage of KWin and X are high(sometimes more than 50%). After applying many tweaks on the web, the problem still exists. I install the latest 177 beta driver, and nvidia-settings -a InitialPixmapPlacement=2 -a GlyphCache=1, however, the 2D performance is even worse.
I accidently find a thread on nvnews, which says that the 2D performance of nvidia card is better with vesa driver. So I install vesa driver. The 2D performance is much better now, firefox is smooth, everything else is smooth too, the CPU usage of KWin and X are low(2%), except there is no desktop effect now.
Despite the low 2D performance, the 140m is also affected by the G84 /G86 core fault problem.
This is the first time I use a nvidia card, which is not a very happy experience. I should wait for T400, which has ATI card. I read from this forum that the problem have been around for about 6 month. If nvidia doesn't fix this problem quickly, I will never use nvidia card anymore.
I have the same T61 with NVS140. On Fedora8 and Fedora9 best settings are: IPP=0, GC=1. IPP2 makes everything unbelievable sluggish. With IPP=0 and GC=1 here on gnome everything is smooth and fine. Only problem on F8 and F9 is hibernate/suspend, damn it. F8 X server sometimes crashes too, but in F9 hibernate/suspend is slow as hell, but it's resuming fine. In addition to that - in F9 after suspend / hibernate graphics starts to be sluggish, scrolling is fine, but minimize and maximize is slooow, gtkperf times increase too. gtkperf score on clean start is 8-9secs 100 times, after suspend/hibernate 14-15 secs. This is all gnome, I'm taking about.

What do You mean by "G84 /G86 core fault problem"?
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Old 08-05-08, 05:32 AM   #346
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Default Re: nVidia 8000/9000 Series Performance Issues

Quote:
Originally Posted by Kirurgs View Post

What do You mean by "G84 /G86 core fault problem"?
apparently there is a defect in the packaging of these chips (Some reports say all g84/g86 mobile). This causes overheats when the packaging fails. Dell has recently released bios updates that turn on the fan at higher power as a workaround. I used to have an hp laptop with a g86 and that fried, wat the time I didn't know that it was such a widespread issue.
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Old 08-05-08, 08:51 AM   #347
Kirurgs
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Default Re: nVidia 8000/9000 Series Performance Issues

Hmm, mine doesn't seem to be affected. At normal workload it's about 55C, that's ok. Previously I had Radeon Mobility 9000 chipset, that was real bacon fryer , in game situation ~ 95-100C, damn But it lived...

P.S. Mumhero, try different IPP values, particularly 0
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Old 08-05-08, 09:11 AM   #348
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Default Re: nVidia 8000/9000 Series Performance Issues

Quote:
Originally Posted by txf View Post
apparently there is a defect in the packaging of these chips (Some reports say all g84/g86 mobile). This causes overheats when the packaging fails. Dell has recently released bios updates that turn on the fan at higher power as a workaround. I used to have an hp laptop with a g86 and that fried, wat the time I didn't know that it was such a widespread issue.
HP has released such a bios update too. The fans spin all the time, sucking your battery dry to keep the laptop working until it is out of the warranty period.

Even desktop chips are affected.
Start here, follow the links:
http://www.theinquirer.net/gb/inquir...vidia-problems

it is pretty sickening and calls for class action.
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