<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:'times new roman', 'new york', times, serif;font-size:12pt"><div>Hi,</div><div><br></div><div>When using gromacs 4.5.3, I experienced two problems ( neither of which exist in gromacs 4.0.7 or older version like 3.3.3)</div><div> 1. when issuing grompp command to start one of my simulations, gromacs 4.5.3 gives me fatal error:</div><div> 'can not find atom type SNa .'</div><div> However, with gromacs 4.0.7 and gromacs 3.3.3, for the same simulation , grompp runs smoothly ( as atom type SNa indeed exist in my directory).</div><div>I am not sure what is wrong with grompp in gromacs 4.5.3</div><div><br></div><div>2. when using g_density command , after processing data , gromacs 4.5.3 gives an error :</div><div><div>*** glibc detected *** double free or corruption (out): 0x00000000006d8ce0
***</div><div>Aborted</div></div><div><br></div><div>But, the same g_density with gromacs 4.0.7 and gromacs 3.3.3 works smoothly.</div><div><br></div><div>Any idea will be appreciated .</div><div>Sanku</div><div style="position:fixed"></div>
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