diff -Naur lammps-12Oct09/lib/gpu/pair_gpu_atom.cu lammps-13Oct09/lib/gpu/pair_gpu_atom.cu
--- lammps-12Oct09/lib/gpu/pair_gpu_atom.cu	2009-08-13 10:05:41.000000000 -0600
+++ lammps-13Oct09/lib/gpu/pair_gpu_atom.cu	2009-10-12 09:35:28.000000000 -0600
@@ -47,7 +47,7 @@
   ans.safe_alloc(ans_fields(),max_atoms);
 
   // Get a host write only buffer
-  host_write.safe_alloc_w(max_atoms*4);
+  host_write.safe_alloc_w(max_atoms*atom_fields());
   // Get a host read/write buffer
   host_read.safe_alloc_rw(ans.row_size()*ans_fields());
     
diff -Naur lammps-12Oct09/src/MAKE/Makefile.debian lammps-13Oct09/src/MAKE/Makefile.debian
--- lammps-12Oct09/src/MAKE/Makefile.debian	2009-09-28 09:27:14.000000000 -0600
+++ lammps-13Oct09/src/MAKE/Makefile.debian	2009-10-12 09:31:17.000000000 -0600
@@ -32,9 +32,9 @@
 CCFLAGS =	$(PKGINC) -g -O -I/usr/lib/mpich/include/ -DFFT_FFTW -DLAMMPS_GZIP
 DEPFLAGS =	-M
 LINK =		g++
-LINKFLAGS =	$(PKGPATH) $(PKGPATHSYS)
+LINKFLAGS =	-g -O -L/usr/lib/mpich/lib $(PKGPATH) $(PKGPATHSYS)
 USRLIB =	$(PKGLIB) -lfftw -lmpich
-SYSLIB =$(PKGLIBSYS)
+SYSLIB =	$(PKGLIBSYS)
 ARCHIVE =	ar
 ARFLAGS =	-rc
 SIZE =		size