[gmx-users] illegal instruction, core dumped

Justin Lemkul jalemkul at vt.edu
Mon Jul 7 18:49:02 CEST 2014

On 7/7/14, 8:47 AM, abbas yousefpour wrote:
> Hi
> I am trying to run an md simulation. after using mdrun the failure message
> was: illegal instruction, core dumped
> I have used ulimit -c unlimited but my problem is not solved.Could you
> please help me?

You've compiled mdrun with a level of optimization (GMX_SIMD in 5.0, 
GMX_CPU_ACCELERATION in 4.6.x) that your hardware doesn't support.



Justin A. Lemkul, Ph.D.
Ruth L. Kirschstein NRSA Postdoctoral Fellow

Department of Pharmaceutical Sciences
School of Pharmacy
Health Sciences Facility II, Room 601
University of Maryland, Baltimore
20 Penn St.
Baltimore, MD 21201

jalemkul at outerbanks.umaryland.edu | (410) 706-7441


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