diff -ur valgrind-2.0.0/coregrind/vg_syscalls.c valgrind-2.0.0-new/coregrind/vg_syscalls.c
--- valgrind-2.0.0/coregrind/vg_syscalls.c	2003-11-03 13:15:04.000000000 -0600
+++ valgrind-2.0.0-new/coregrind/vg_syscalls.c	2004-04-28 22:47:51.000000000 -0500
@@ -1161,8 +1161,8 @@
 
       /* !!!!!!!!!! New, untested syscalls, 7 Mar 02 !!!!!!!!!!! */
 
-#     if defined(__NR_pwrite)
-      case __NR_pwrite: /* syscall 181 */
+#     if defined(__NR_pwrite64)
+      case __NR_pwrite64: /* syscall 181 */
          /* ssize_t pwrite (int fd, const void *buf, size_t nbytes,
                             off_t offset); */
          MAYBE_PRINTF("pwrite ( %d, %p, %d, %d )\n", arg1, arg2, arg3, arg4);
@@ -1203,8 +1203,8 @@
          KERNEL_DO_SYSCALL(tid,res);
          break;
 
-#     if defined(__NR_pread)
-      case __NR_pread: /* syscall 180 */
+#     if defined(__NR_pread64)
+      case __NR_pread64: /* syscall 180 */
          /* ssize_t pread(int fd, void *buf, size_t count, off_t offset); */
          MAYBE_PRINTF("pread ( %d, %p, %d, %d ) ...\n",arg1,arg2,arg3,arg4);
          SYSCALL_TRACK( pre_mem_write, tid, "pread(buf)", arg2, arg3 );