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Old 04-12-06, 09:30 AM   #13
walrus
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Default Re: 6800GT in SLI mode...

marsu[pts/0]:~/{6}/> nvidia-settings
The program 'nvidia-settings' received an X Window System error.
This probably reflects a bug in the program.
The error was 'BadValue (integer parameter out of range for operation)'.
(Details: serial 45 error_code 2 request_code 147 minor_code 3)
(Note to programmers: normally, X errors are reported asynchronously;
that is, you will receive the error a while after causing it.
To debug your program, run it with the --sync command line
option to change this behavior. You can then get a meaningful
backtrace from your debugger if you break on the gdk_x_error() function.)

What 's wrong ?

It comes from .nvidia-settings-rc : if I delete it, it works.
If I re-run nvidia-seetings, without modifying anything, it fails.
Stange.
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Old 04-12-06, 03:14 PM   #14
netllama
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Default Re: 6800GT in SLI mode...

Can you post the copy of .nvidia-settings-rc that is triggering this?
Does this impact multiple users on the system?
Additionally, please generate and post an nvidia-bug-report.log.

Thanks,
Lonni
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Old 04-12-06, 06:27 PM   #15
walrus
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Default Re: 6800GT in SLI mode...

[quote=netllama]Can you post the copy of .nvidia-settings-rc that is triggering this?

Does this impact multiple users on the system?
Additionally, please generate and post an nvidia-bug-report.log.

Ok.

Thanks for your help.
Attached Files
File Type: log nvidia-bug-report.log (97.9 KB, 112 views)
File Type: log nvidia-settings-rc.log (1,002 Bytes, 117 views)
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Old 04-12-06, 06:39 PM   #16
netllama
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Default Re: 6800GT in SLI mode...

I'm not seeing anything odd in either of the attached files, and this doesn't trigger when I use your .nvidia-settings.rc here.

Does this impact multiple users on the system?
Does this only reproduce with SLI?

Can you try running nvidia-settings through strace and when it crashes post the last 100 or so lines of output:
strace nvidia-settings

Thanks,
Lonni
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Old 04-12-06, 08:08 PM   #17
walrus
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Default Re: 6800GT in SLI mode...

[quote=netllama]I'm not seeing anything odd in either of the attached files, and this doesn't trigger when I use your .nvidia-settings.rc here.

Does this impact multiple users on the system?
Yes.

Does this only reproduce with SLI?
Yes.

Can you try running nvidia-settings through strace and when it crashes post
Ok.

Two others question, please.

1) What does green line means, in SLI HUD ? How can one understand it ?
2) If I understand right, SLI is only useable on video game which provide it.
So, OpenGl applications such blender or mayavi can't and never use SLI caps.
Am I right ?

Thanks.
Attached Files
File Type: log b.log (6.4 KB, 102 views)
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Old 04-12-06, 11:11 PM   #18
netllama
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Default Re: 6800GT in SLI mode...

Do you have Intel's C compiler on your system? If not, can you capture some more strace output (perhaps the last 500 lines)?

The green line indicates the division of work between the GPUs, and applies for any OpenGL applications.
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Old 04-13-06, 04:38 AM   #19
walrus
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Default Re: 6800GT in SLI mode...

Quote:
Originally Posted by netllama
Do you have Intel's C compiler on your system?
Yes.

If not, can you capture some more strace output (perhaps the last 500 lines)?

Ok. I send the whole log file (800 lines).

The green line indicates the division of work between the GPUs, and applies for any OpenGL applications.
Yes, this is what I read, but I still do not understand : what's up when there is no green line (no work for the two GPU ?) and when the green line is high
(heavy load for the two GPU ?) If the the green line has equal height from the middle, does it means that the two GPU have the same load ? Do I understand right ?

I aprreciate very much your help.

Thanks.
Attached Files
File Type: log strace.log (59.3 KB, 105 views)
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Old 04-13-06, 12:42 PM   #20
netllama
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Default Re: 6800GT in SLI mode...

If the green line has equal height from the middle, it means that the two GPU have the same load.

The segfault looks like it might be due to Intel's compiler. You'll need to ensure that the nvidia driver is compiled with gcc. This can normally be accomplished by setting the CC environmental variable to wherever you have gcc on your system.

Thanks,
Lonni
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Old 04-13-06, 01:33 PM   #21
walrus
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Default Re: 6800GT in SLI mode...

Quote:
Originally Posted by netllama
If the green line has equal height from the middle, it means that the two GPU have the same load.

The segfault looks like it might be due to Intel's compiler. You'll need to ensure that the nvidia driver is compiled with gcc. This can normally be accomplished by setting the CC environmental variable to wherever you have gcc on your system.

Thanks,
Lonni
Strange...
I am sure that nvidia driver is compiled with gcc.
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Old 04-13-06, 02:41 PM   #22
netllama
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Default Re: 6800GT in SLI mode...

The strace output was hitting alot of icc specific paths. What have you compiled with Intel's compiler on your system?
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Old 04-13-06, 03:57 PM   #23
walrus
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Default Re: 6800GT in SLI mode...

Quote:
Originally Posted by netllama
The strace output was hitting alot of icc specific paths. What have you compiled with Intel's compiler on your system?
Yes, but...

1) fred does not compile nvidia driver but has icc in his path ;
2) root compiles it ; but has no aknowledge of icc,
because I don't use icc under root.
3) So I (fred) compile only my own source in my home with icc ;
nothing else.

I send you a strace log without icc in path.
Attached Files
File Type: log strace.log (45.9 KB, 105 views)
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Old 04-14-06, 09:44 AM   #24
walrus
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Default Re: 6800GT in SLI mode...

Quote:
Originally Posted by netllama
The green line indicates the division of work between the GPUs, and applies for any OpenGL applications.
Ok.
With apps such as ppracer ;-), I get this green line.
So I suppose SLI works fine.

With mayavi (http://mayavi.sourceforge.net) or GMV (http://www-xdiv.lanl.gov/XCM/gmv/GMVHome.html)
I don't get this green line,when I move figure, objects, etc.

What's wrong ?

Thanks in advance.
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