Hi,
Ah, so you have anistropic pressure coupling on.
I forgot to put in a check for that when chosing the domain
decomposition grid.
Changing line 200 of src/mdlib/domdec_setup.c from:
if (box[j][i] != 0)
to
if (box[j][i] != 0 || ir-deform[j][i] != 0 ||
(ir-epc != epcNO ir-compress[j][i] != 0))
should fix the problem.
If will commit this fix for 4.0.3.
(PS: you can also set -dd nx ny nz by hand, where for anisotropic
pressure coupling you should not have nx=1 or ny=1 when ny!=1 or nz!=1)
Berk
From: [EMAIL PROTECTED]
To: gmx-users@gromacs.org
Subject: RE: [gmx-users] parallelization error? gromacs-4.0.2
Date: Thu, 20 Nov 2008 22:05:52 +0100
Hi,
Do you have anisotropic pressure coupling turned on?
Could you send me the tpr file?
Berk
Date: Thu, 20 Nov 2008 14:47:53 +
From: [EMAIL PROTECTED]
To: gmx-users@gromacs.org
Subject: [gmx-users] parallelization error? gromacs-4.0.2
Hello,
I tried from the beginning to test gromacs-4.0.2 with a monoclinic system on 8
processors (one two quad core machine). The skew errors seem to be gone, yet
other errors appeared.
Now after a successful md, taking the output and trying to do annealing I get
the following error:
Fatal error:
Domain decomposition has not been implemented for box vectors that have
non-zero components in directions that do not use dom
ain decomposition: ncells = 2 1 4, box vector[3] = -1.070924 -0.07 6.415503
In my input files I do not have a vector as the bolded one above.
I tried to run the same input on my server which has two processors and up to
know that I'm writing this email the run is running without any errors at all.
I have compiled gromacs-4.0.2 with fftw-3.2. Any files needed or any other
information will be at
your disposal.
Thank you,
Nikos
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