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Old 12-06-08, 12:23 PM   #1
netfr33k
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Default NVIDIA & Xen

Hi,

I am using 177.82 drivers with a Xen dom0 enabled 2.6.27.7 kernel on a x86_64 system, the drivers work well driving two 1920x1200 TFT's, 2d and 3d performance is good and there are no graphical glitches at all, unfortunatly the system occasionally locks up hard, keyboard lights do not respond and neither does sysrq over serial console .

I had assumed that the problem was with the kernel itself because I made my own using Xen patches from openSUSE and modifying them so that they apply to vanilla 2.6 without any other patches that the openSUSE kernel uses, however I have recently stress tested the kernel with no nvidia drivers loaded and it has been completely stable, I've been releasing gentoo ebuilds for my Xen kernel and other users who have used it have reported the same problem.

My system is a Supermicro X7DWA-N with 2 x Quad Core 2.5ghz Xeons, 16gb ram, and GeForce 9500 GT 256MB, I have tried the 180.11 drivers but they cause the system to lock up as soon as X is started.

To compile the drivers I had to use IGNORE_XEN_PRESENCE=y.

From what I have read nvidia do not support Xen, I am hoping that you will try to fix this problem anyway, the Xen userbase is growing all the time and it won't be long until Xen dom0 support using pvops is merged into 2.6, I know there are lots of Xen users out there who would really appreciate having stable nvidia drivers on their Xen systems.

I have attached nvidia-bug-report.log as a zip archive.

netfr33k
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Old 12-08-08, 12:50 PM   #2
netfr33k
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Default Re: 9500 Lockup issues? (Was NVIDIA & Xen)

Perhaps this isnt a Xen issue after all.. today I swapped out the 256MB 9500 GT for a 512MB 8600 GT (G84) and the problem seems to have gone away ;-).

I will start another thread to find out if other users have good/bad experience with 9500GT, I will try to test it on a non Xen kernel but the opportunity to do that is rare as I need Xen for my work.

Andy
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Old 12-29-08, 10:02 AM   #3
andrewtayloruk
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Default Re: NVIDIA & Xen

Hi,

Sorry to hi-jack your thread, but, what instructions did you follow for creating your patches from the SUSE versions?

I'm trying to get a Dell Precision with a Quadra NVS 285 up and running with CENT 5.2 and XEN. The idea to run DOM0 as my workstation and allow for DOMU servers for testing.

Many thanks

Andrew

Last edited by andrewtayloruk; 12-29-08 at 10:02 AM. Reason: Clarification
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Old 12-29-08, 10:13 AM   #4
meierkurt
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Default Re: NVIDIA & Xen

For what do you need Nvidia 3D on a Xen Server?
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Old 01-25-09, 03:06 PM   #5
bigjoe4265
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Default Re: NVIDIA & Xen

Quote:
Originally Posted by meierkurt View Post
For what do you need Nvidia 3D on a Xen Server?
Some of us like the functionality that compiz-fusion provides and may want to use it while running a Xen kernel. If I'm not mistaken you can't use these sort of graphics intense applications without being able to compile the nvidia modules against a Xen kernel? Some of us that are in IT support roles may want to run multiple operating systems on a desktop class machine and still have quality 3D graphics support. Yes, I know about VMWare and all the other options, but that doesn't mean there the best nor do they perform equally well. I encourage feedback, please throw in your 2 cents.


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