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Old 04-16-12, 08:05 AM   #1
cprofitt
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Join Date: Apr 2012
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Default Performance Regression with 295.40 driver - 8800GTS 320

OS: Ubuntu 12.04 Beta 2
Card: Gefore 8800TS 320
Driver: 295.40

Issues:
Ubuntu Unity desktop lags when redrawing the desktop (initial login, after a game closes)
Games have poor performance - they go from playable to slideshows

Initial Problem:
This was on a 12.04 testing box that was upgrade from 11.10. All worked fine until the recent Nvidia driver update that went from 295.20 to 295.40.

Testing Done:
Reinstalled Ubuntu 12.04 beta 2 and installed only the Nvidia binary driver 295.40. No other patches were applied. Performance was still regressed.

Reported this bug via Launchpad -- https://bugs.launchpad.net/ubuntu/+s...rs/+bug/982710

Other Bugs have been reported by others as well:
https://bugs.launchpad.net/ubuntu/+s...es/+bug/982485
https://bugs.launchpad.net/ubuntu/+s...rs/+bug/982762

This is a testing machine so if more tests need to be run I will have no issues running those.

Thanks
Attached Files
File Type: gz nvidia-bug-report.log.gz (37.6 KB, 64 views)
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Old 04-17-12, 07:31 AM   #2
cprofitt
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Default Re: Performance Regression with 295.40 driver - 8800GTS 320

There is now a Debian bug filed as well.

bugs.debian.org/cgi-bin/bugreport.cgi?bug=668854
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Old 04-17-12, 10:20 AM   #3
Plagman
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Default Re: Performance Regression with 295.40 driver - 8800GTS 320

Hi cprofitt,

Thanks for the bug report; can you give this a try?

http://www.nvnews.net/vbulletin/show...86&postcount=3
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Old 04-18-12, 08:35 AM   #4
sandipt
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Posts: 260
Default Re: Performance Regression with 295.40 driver - 8800GTS 320

NVIDIA internal Bug Id 970244 to track this issue.
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