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Old 03-30-11, 05:36 PM   #25
artem
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Default Re: NVS 3100m Large Slow Downs

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Originally Posted by Scramblejams View Post
Part of my employment agreement with my employer is that no internal information about our systems can be released publicly. Silly sounding, I know, but I've got to abide by it. So I'm happy to email it or PM it somewhere, but I can't post it in a forum. Sorry.
Send the bug report to nvidia's linux support e-mail.
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Old 03-30-11, 10:26 PM   #26
Scramblejams
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Default Re: NVS 3100m Large Slow Downs

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Originally Posted by artem View Post
Send the bug report to nvidia's linux support e-mail.
Done.
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Old 04-12-11, 01:40 PM   #27
epsilon72
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Default Re: NVS 3100m Large Slow Downs

Adding another "me too" here. This is a big problem on both my desktop with a gtx 460 and my laptop with an 8400m gs. Using Gentoo, any kernel 2.6.36 and above has this problem with any nvidia driver 260* and above.
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Old 04-13-11, 12:41 AM   #28
epsilon72
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Default Re: NVS 3100m Large Slow Downs

I should add also that hyperthreading isn't even compiled into my kernel. I still haven't tried the cpu hack though.
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Old 04-13-11, 05:17 PM   #29
oyvind
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Default Re: NVS 3100m Large Slow Downs

This still occurs with latest 270.41.03 driver (and kernel 2.6.38).
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Old 04-14-11, 03:45 PM   #30
epsilon72
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Default Re: NVS 3100m Large Slow Downs

I've just found that this problem exists with kernels as early as 2.6.32. Although it is not as apparent, the problem is still there.

I was playing the Linux-native version of Prey today after resuming from suspend, and thought, "Hmm, this is running very poorly even compared to its usual poor performance". I saved in that same spot, rebooted, loaded that save, and sure enough - the game was MUCH smoother.

Now I'm thinking of moving to debian stable, just so I can use the 195.* driver again :/

EDIT: I'm trying to reproduce what happened but I have been unsuccessful so far. Something might have just gone wrong with the game.
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Old 04-24-11, 05:40 AM   #31
s0enke
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Default Re: NVS 3100m Large Slow Downs

Still suffering from this problem with ubuntu 11.04 and 270.41.06. Steps to reproduce: Open Chrome, suspend, resume -> chrome gets laggy. bug-report gz attached. Hth, really annoying!

Btw the cpu-disable-hack works but ****s up virtualbox after resume :-(
Attached Files
File Type: gz nvidia-bug-report.log.gz (45.8 KB, 71 views)
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Old 04-24-11, 03:30 PM   #32
oyvind
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Default Re: NVS 3100m Large Slow Downs

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Originally Posted by epsilon72 View Post
I've just found that this problem exists with kernels as early as 2.6.32. Although it is not as apparent, the problem is still there.
That's right, I first observed this bug in November of 2010, on a regular 2.6.32-series kernel update on Ubuntu Lucid. Started happening with 2.6.32-26 IIRC. The update included, amongst other things, a respectable amount of kernel scheduler fixes/changes ... Maybe related, I don't know.

This issue has been present ever since, as far as I have observed.

Bug report and changelog of the kernel update:
https://bugs.launchpad.net/ubuntu/+s...ux/+bug/671932
http://www.ubuntuupdates.org/packages/show/253835
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Old 04-24-11, 04:52 PM   #33
Scramblejams
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Default Re: NVS 3100m Large Slow Downs

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Originally Posted by oyvind View Post
That's right, I first observed this bug in November of 2010, on a regular 2.6.32-series kernel update on Ubuntu Lucid. Started happening with 2.6.32-26 IIRC.
Yeah, it happens for me on Debian's 2.6.32-33 kernel. The HT workaround is also causing problems for me with Virtualbox, so I'd like to find a kernel that works, but unfortunately Debian's archives don't carry anything earlier than 2.6.32-33 that'll also work with my distro (Sid).

sandipt, you need anything else from us on this? Any luck reproducing it on your end?
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Old 04-24-11, 07:35 PM   #34
Scramblejams
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Default Re: NVS 3100m Large Slow Downs

And thanks for the tip, oyvind. I found an older kernel package, 2.6.32-21, and reverting to it resolved the problem. Hope it doesn't cause me any new ones...
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Old 04-30-11, 09:09 AM   #35
oyvind
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Default Re: NVS 3100m Large Slow Downs

This problem appears to have vanished for me with nvidia driver 270.41.06 and Lucid kernel 2.6.32-32-generic. Don't know if it's the kernel or the new nvidia driver that fixed it. I no longer use any CPU-hacks on suspend/resume and I don't experience any slowdowns after resume anymore.
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Old 05-20-11, 03:41 PM   #36
danix
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Default Re: NVS 3100m Large Slow Downs

It sounds like some people are no longer seeing this issue with certain 2.6.32 kernels... we weren't able to observe this problem internally, so it would be good if somebody who previously experienced the problem could confirm whether or not the problem still exists with a vanilla top-of-tree kernel.
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