[Beowulf] NVidia woes

Karen Shaeffer shaeffer at neuralscape.com
Sun Apr 12 13:52:02 EDT 2009


On Fri, Apr 10, 2009 at 12:29:51PM -0500, Sellers, William A. (LARC-D205)[NCI INFORMATION SYSTEMS] wrote:
> 
> I wish NVIDIA would support yum.  NVidia, are you listening?  Keeping the kernel updated with the real nvidia driver is a pain, but needed is you run the real nvidia driver (like we do).  For those not experienced with RHEL and nvidia kernel modules, when you install a new kernel, you have to run the nvidia installer after the system boots under the new kernel to build the nvidia module for that kernel. Then a reboot gets it all working again.  Imagine doing that for 25 engineering workstations in a dept, and you'll get the idea.  Yum works great if you can live with the default 'nv' driver.
> 
> Bill

Hi Bill,
If you are referring to the Nvidia NICs hanging under load, then
you might want to pass in the module parameter: optimization_mode = 1,
while using stock forcedeth drivers found in the linux kernel.

Thanks,
Karen
-- 
 Karen Shaeffer
 Neuralscape, Palo Alto, Ca. 94306
 shaeffer at neuralscape.com  http://www.neuralscape.com
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