Re: about latest nvidia cuda driver 275.09.07
On Thu, Jun 30, 2011 at 10:21:15AM +0200, Francesco Pietra wrote:
> Following kind guidance by Lennart Sorensen as to the correct
> installation of the nvidia driver, I recently got a two GTX-470
> computer work perfectly for molecular dynamics simulations with
> NAMD-CUDA.
>
> The simulations were launched from linux terminal, without calling the
> X server. Command (as root)
>
> nvidia-smi -L
>
> was first needed to activate the GTX 470 cards (udev normal affair)
> ********************
>
> On 27Jun the system was upgraded from driver 270.41.19 to 275.09.07.
> On rebooting, dkms did its job for the existing headers 2.6.38-2.
>
> However, now the above NAMD-CUDA MD launching does not work any more.
> Sincerely I can't say if the crash described below occurred
> immediately after the driver upgrading, but the dates are very close.
> Now, on launching MD as above described, the system hangs, the screen
> shows blinking characters and letters, and the power must be shut
> down. The log of the simulation says
>
> CUDA error cudaStreamCreate on P2 0
>
> which is a normal message of NAMD when the graphic boards are not
> seen. However, the computer should not hang.
>
> Launching NAMD-CUDA from a terminal window of gnome-2, the procedure
> runs correctly.
>
> I understand that this report fails to analyze correctly what happens.
> It is a simple warning to see if other amd64 users had problems with
> the new nvidia driver.
Are all the nvidia packages the same version?
--
Len Sorensen
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