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Old 05-27-10, 01:51 AM   #1
stecklum
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Default 256.25 floating point exception in nvidia-settings

I gave NVIDIA-Linux-x86_64-256.25 a try and noticed an issue with nvidia-settings. Attempting to access the "Thermal Settings" menu crashes the program with a floating point exception. The dmesg out put is

nvidia-settings[15081] trap divide error ip:42a70d sp:7fffaf554ca0 error:0 in nvidia-settings[400000+b7000]

Otherwise the driver seems to work fine.
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Old 05-27-10, 07:00 AM   #2
gonzo_s
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Default Re: 256.25 floating point exception in nvidia-settings

What Linux distribution are you using? I'm having no issues with nvidia-settings.
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Old 05-27-10, 07:08 AM   #3
stecklum
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Default Re: 256.25 floating point exception in nvidia-settings

This is on Ubuntu 8.10 with Linux 2.6.31-14-generic #48 SMP Sat May 22 12:49:44 CEST 2010 x86_64 GNU/Linux. I never encountered that problem before.
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Old 05-27-10, 07:50 AM   #4
AaronP
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Default Re: 256.25 floating point exception in nvidia-settings

stecklum, could you please run nvidia-settings in a debugger and get a backtrace?
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Old 05-27-10, 08:17 AM   #5
stecklum
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Default Re: 256.25 floating point exception in nvidia-settings

Please find the strace log appended.
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Old 05-27-10, 12:58 PM   #6
AaronP
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Default Re: 256.25 floating point exception in nvidia-settings

Thanks. Could you please run it in GDB using "gdb nvidia-settings", then when it crashes, run the "backtrace full" command and attach the output?
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Old 05-27-10, 03:02 PM   #7
stecklum
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Default Re: 256.25 floating point exception in nvidia-settings

The gdb backtrace is appended (there was no core dump).
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Old 05-27-10, 06:05 PM   #8
olifre
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Default Re: 256.25 floating point exception in nvidia-settings

Hello,

same problem here with new nvidia-settings, running Gentoo, Kernel 2.6.33-tuxonice-r2, x86_64.
However, as I have no debug symbols compiled into my libraries, a backtrace would probably be quite useless - if you want it nevertheless, I can provide it of course.
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Old 05-28-10, 12:28 PM   #9
AaronP
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Default Re: 256.25 floating point exception in nvidia-settings

Thanks, guys. We've tracked down the problem and a bug is filed.
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