[gmx-users] mdrun-gpu, fatal error: reading tpx file (topol.tpr) version 73 with version 71 program

Justin A. Lemkul jalemkul at vt.edu
Sun Aug 14 15:22:00 CEST 2011

H.Ghorbanfekr wrote:
> Hi ,
> I'm using mdrun-gpu  for testing gpubench demos.
> But I've got this error message:
> Fatal error:
> reading tpx file (topol.tpr) version 73 with version 71 program
> I installed different version of gromacs 4.5 to 4.5.4 and 
> gpu-gromacs-beta 1, 2 versions.  
> But it still doesn't work. any idea on this?

Gromacs programs are backwards-compatible, but if the .tpr file version has 
changed between revisions, they are not forward-compatible.  A version 73 .tpr 
file is from Gromacs version 4.5.4, so the error comes when you try to use an 
older Gromacs version to run it.  Stick with one version of Gromacs (preferrably 
the newest) and use it for everything.  Having multiple versions lying around 
unnecessarily can be problematic when you might wind up using executables from 
different installations.



Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080


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