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Old 02-19-08, 09:20 PM   #1
SandmanCL
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Default Visual bug during horizontal scroll of windows

Title explains it as good as I can :-)
Whether it's Firefox, Thunderbird, Pidgin, xterm, etc. -- it doesn't matter: when I scroll up/down in a window the text doesn't update properly and the page looks very buggy. This *only* happens when I enable the Visual effects through the customization menu in Ubuntu 7.1. (System -> Preferences -> Appearance).

I suspect this error is the root cause:

Code:
NVRM: API mismatch: the client has the version 169.09, but this kernel module has the version 100.14.19. Please make sure that this kernel 
module and all NVIDIA driver components have the same version.
If the solution is to install kernel module 169.09 as well -- how do I do that ?
I've read the sticky threads in this forum for clues w/o luck.

Complete nvidia-bug-report.log here:

http://paste.stgraber.org/798
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Old 02-19-08, 10:32 PM   #2
xbobmx
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Default Re: Visual bug during horizontal scroll of windows

Yes, you need to fix the API mismatch.

Read the Ubuntu section here:
http://www.nvnews.net/vbulletin/show...43&postcount=1
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Old 02-20-08, 02:03 AM   #3
SandmanCL
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Default Re: Visual bug during horizontal scroll of windows

Thanks for the reply. After following the steps outlined on that link I'm past the problem of mismatched APIs. But upon starting X after installing the latest nvidia driver I'm told that my card isn't recognized. So at that point I chose the "nv" card in order to run anything but super low resolution...

Back in X, running at 1680x1050, I re-enabled the restricted nvidia driver. Upon a restart I'm back to "Your screen and graphics card could not be detected correctly."

Last time I installed linux on a home desktop was in 2002. It seemed easier then. I suppose I need to be upset with Ubuntu rather than Nvidia for that though ? :-)
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Old 02-20-08, 03:37 AM   #4
Lithorus
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Default Re: Visual bug during horizontal scroll of windows

Quote:
Originally Posted by SandmanCL
Thanks for the reply. After following the steps outlined on that link I'm past the problem of mismatched APIs. But upon starting X after installing the latest nvidia driver I'm told that my card isn't recognized. So at that point I chose the "nv" card in order to run anything but super low resolution...

Back in X, running at 1680x1050, I re-enabled the restricted nvidia driver. Upon a restart I'm back to "Your screen and graphics card could not be detected correctly."

Last time I installed linux on a home desktop was in 2002. It seemed easier then. I suppose I need to be upset with Ubuntu rather than Nvidia for that though ? :-)
Post the new bug report log.
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Old 02-20-08, 05:01 AM   #5
SandmanCL
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Default Re: Visual bug during horizontal scroll of windows

Latest debug log:
http://paste.stgraber.org/801

What I did since last time:
- removed /etc/rc2.d/S30gdm (or whatever the symlink was for starting gdm)
- rebooted (to make sure there was no X, and have it start with a normal console login rather than x logging
- re-ran sh NVIDIA-Linux-x86-169.09-pkg1.run

# lsmod | grep nvidia
nvidia 3932108 0
agpgart 35016 2 nvidia,intel_agp

xorg.conf properly show my monitor as SP2208WFP, with a correct device identifier (GeForce 8300 GS) using driver "nvidia"

Yet, when I start X (in low res) and run the 'Nvidia X Server Settings' program it tells me "You do not appear to be using the NVIDIA X driver. Please edit your X configuration file (just run `nvidia-xconfig` as root), and restart the X server.

Doing what's recommended has no effect:

$ cp /etc/X11/xorg.conf ~
$ sudo nvidia-xconfig
[sudo] password:

Using X configuration file: "/etc/X11/xorg.conf"/
Backed up file '/etc/X11/xorg.conf' as '/etc/X11/xorg.conf.backup'
New X configuration file written to /etc/X11/xorg.conf

$ diff /etc/X11/xorg.conf ~/xorg.conf
$

(no difference between the files)
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Old 02-20-08, 11:40 AM   #6
SandmanCL
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Default Re: Visual bug during horizontal scroll of windows

Well I'll be darned... I just took a look at xorg.conf and the default resolution listed was 1680x1680 instead of 1680x1050(!!). Not sure which tool made that mistake for me.... After I fixed that, it _almost_ started... The nvidia kernel module wasn't loaded (not sure why).

So I did an 'insmod nvidia.ko' from the nvidia directory under /lib/modules/,

# lsmod | grep nvidia
nvidia 7822336 0
i2c_core 26112 1 nvidia
agpgart 35016 2 nvidia, intel_agp

... and now X looks prettier than ever
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Old 02-22-08, 07:18 AM   #7
SandmanCL
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Default Re: Visual bug during horizontal scroll of windows

Well, after all of that I'm actually back at square one. I have to manually add the module after a reboot, and the visual bug continues. See this grab of a section of my browser now:



Latest debug log:
http://paste.stgraber.org/891
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Old 03-12-08, 12:52 PM   #8
SandmanCL
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Default Re: Visual bug during horizontal scroll of windows

*Bump*
An comments on this ? I am running the latest 169 driver and the problem is still there. After a reboot my system looks great but after a few hours I start seeing the visual bugs like the one shown in the screenshot above

New debug log:
http://paste.stgraber.org/1491
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Old 04-05-08, 04:37 PM   #9
SandmanCL
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Default Re: Visual bug during horizontal scroll of windows

No replies because noone wants to acknowledge this problem ? Or because I am smoking crack and hallucinate when I use linux, meaning the bugs I'm reporting aren't actually there ?
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Old 04-06-08, 04:33 AM   #10
pe1chl
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Default Re: Visual bug during horizontal scroll of windows

Your problem with installing the driver is caused by mechanisms in the Linux distrubution that override the manually installed driver. But I think you have solved those?
The problem with scrolling (vertical scrolling, not horizontal as you write in the subject?) is not reproduced here.
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Old 04-22-08, 10:57 AM   #11
slikdigit
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Default Re: Visual bug during horizontal scroll of windows

I have the same (vertical, not horizontal) problem with scrolling, a quick search on the net will show others do too.
only happens using compositing with the nvidia drivers- I'm not using the ubuntu modules currently, but it happens with both the ubuntu installed ones, and the ones I currently have using nvidia's own scripts.
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