diff -Naur lammps-29Nov08/src/MANYBODY/pair_airebo.cpp lammps-30Nov08/src/MANYBODY/pair_airebo.cpp
--- lammps-29Nov08/src/MANYBODY/pair_airebo.cpp	2008-08-19 09:03:11.000000000 -0600
+++ lammps-30Nov08/src/MANYBODY/pair_airebo.cpp	2008-12-01 15:01:59.000000000 -0700
@@ -870,7 +870,6 @@
   double **f = atom->f;
   int *type = atom->type;
   int *tag = atom->tag;
-  int nlocal = atom->nlocal;
 
   inum = list->inum;
   ilist = list->ilist;
diff -Naur lammps-29Nov08/src/PERI/fix_peri_neigh.cpp lammps-30Nov08/src/PERI/fix_peri_neigh.cpp
--- lammps-29Nov08/src/PERI/fix_peri_neigh.cpp	2008-07-25 08:41:48.000000000 -0600
+++ lammps-30Nov08/src/PERI/fix_peri_neigh.cpp	2008-12-01 15:01:59.000000000 -0700
@@ -163,8 +163,7 @@
       delz = ztmp - x[j][2];
       rsq = delx*delx + dely*dely + delz*delz;
       jtype = type[j];
-
-      if (rsq < cutsq[itype][jtype]) npartner[i]++;
+      if (rsq <= cutsq[itype][jtype]) npartner[i]++;
     }
   }
 
@@ -172,11 +171,14 @@
   for (i = 0; i < nlocal; i++) maxpartner = MAX(maxpartner,npartner[i]);
   int maxall;
   MPI_Allreduce(&maxpartner,&maxall,1,MPI_INT,MPI_MAX,world);
+  maxpartner = maxall;
 
   // realloc arrays with correct value for maxpartner
 
   memory->destroy_2d_int_array(partner);
   memory->destroy_2d_double_array(r0);
+  memory->sfree(npartner);
+
   npartner = NULL;
   partner = NULL;
   r0 = NULL;