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Old 12-18-07, 04:42 AM   #1
Bref
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Join Date: Dec 2007
Posts: 2
Unhappy Nvidia 7800GTX SLI on Debian lenny 64bit: no hardware acceleration

i have debian since a month now...

i installed the nvidia-driver 100.14.19 x86_64 from the nvidia hp like this:

-linux-headers (aptitude install linux-headers-bla)
-Nvidia driver (sh NVIDIA_bla)

until now everything went fine.

i also installed compiz-fusion for gnome. works also

problem:
it looks like the hardware acceleration does not work. glxgears gives ~2000fps and 100% cpu. i can only "play" quake4 with 640x480@~90fps.

is there a solution? thx a lot

(sorry for my bad english)


infos:

user@Desktop:~$ uname -a
Linux Desktop 2.6.22-3-amd64 #1 SMP Sun Nov 4 18:18:09 UTC 2007 x86_64 GNU/Linux

user@Desktop:~$ lspci |grep -i vga
03:00.0 VGA compatible controller: nVidia Corporation G70 [GeForce 7800 GTX] (rev a1)
06:00.0 VGA compatible controller: nVidia Corporation G70 [GeForce 7800 GTX] (rev a1)


user@Desktop:~$ glxinfo
...
direct rendering: Yes
server glx vendor string: NVIDIA Corporation
server glx version string: 1.4
...
client glx vendor string: NVIDIA Corporation
client glx version string: 1.4

user@Desktop:~$ nvidia-settings --query [gpu:0]/VideoRam

Attribute 'VideoRam' (Desktop:0[gpu:0]): 262144.
'VideoRam' is an integer attribute.
'VideoRam' is a read-only attribute.
'VideoRam' can use the following target types: X Screen, GPU.

user@Desktop:~$ nvidia-settings --query [gpu:1]/VideoRam

Attribute 'VideoRam' (Desktop:0[gpu:1]): 262144.
'VideoRam' is an integer attribute.
'VideoRam' is a read-only attribute.
'VideoRam' can use the following target types: X Screen, GPU.

user@Desktop:/var/log$ cat Xorg.0.log|grep WW
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
(WW) The directory "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType" does not exist.
(WW) NVIDIA: No matching Device section for instance (BusID PCI:6:0:0) found
(WW) NVIDIA(0): DamageEvents are not currently compatible with SLI. Disabling
(WW) NVIDIA(0): DamageEvents.
(WW) <default pointer>: No Device specified, looking for one...
Attached Files
File Type: gz glxinfo.txt.tar.gz (2.2 KB, 83 views)
File Type: gz xorg.conf.tar.gz (1.3 KB, 62 views)
File Type: gz Xorg.0.log.tar.gz (5.9 KB, 83 views)
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Old 12-18-07, 07:38 AM   #2
BlackTiger
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Join Date: Nov 2007
Posts: 8
Default Re: Nvidia 7800GTX SLI on Debian lenny 64bit: no hardware acceleration

How about deactivating compiz before playing a game?

A 3D game is nearly unplayable when compiz is running so switch back to Metacity for games.

Simplest solution for a try would just be "metacity --replace" to deactivate Compiz for the session
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Old 12-18-07, 08:49 AM   #3
Bref
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Default Re: Nvidia 7800GTX SLI on Debian lenny 64bit: no hardware acceleration

thx, now i can play!

but is it possible somehow to check if sli is on .AND. runs correct?
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Old 12-18-07, 09:27 AM   #4
BlackTiger
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Default Re: Nvidia 7800GTX SLI on Debian lenny 64bit: no hardware acceleration

Quote:
Originally Posted by Bref
but is it possible somehow to check if sli is on .AND. runs correct?
just start nvidia-settings and go to the "OpenGL Settings" tab, if you have "Enable SLI Heads-Up-Display" in the Miscellaneous section then your SLI is working fine

You shouldn't check that function it just has to be available when SLI is activated!
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