Re: [AMBER] Accelerated MD stopped with Cuda GPU error.

From: M RCC <mkr3j2c1.gmail.com>
Date: Wed, 7 Nov 2018 15:02:57 +0530

Cuda Version is 7.5

On Mon, Nov 5, 2018 at 12:40 PM M RCC <mkr3j2c1.gmail.com> wrote:

> Dear Amber Users,
> My aMD calculation stopped after 95ns, with the following error
>
> "*cudaMemcpy GpuBuffer::Download failed an illegal memory access was *
> *encountered*"
>
> My simulation system contains protein 300aa + Inhibitor + 4 zinc atoms.
> I used cationic dummy atom approach to fix the zinc atoms.
>
> while setting the threshold value for aMD, I have included all atoms
> including zinc atoms.
> for setting the dihedral threshold also I have counted zinc atoms as
> residues since the dummy atom approach used.
> Simulation stopped with this error. But there is no error description was
> found in the log (.out) file.
>
> Is the error is due to the zinc atoms?
>
> How do I rectify this error?
>
>
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Received on Wed Nov 07 2018 - 02:00:02 PST
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