--- ./fs/nfs/dir.c.orig	2005-07-29 14:03:07.000000000 +0200
+++ ./fs/nfs/dir.c	2005-07-29 14:03:31.000000000 +0200
@@ -1635,6 +1635,8 @@
 	cache.cred = cred;
 	cache.jiffies = jiffies;
 	status = NFS_PROTO(inode)->access(inode, &cache);
+	dfprintk(VFS, "NFS: access()=%d for ino %lu, cred %p, mask 0x%x->0x%x\n",
+		 status, inode->i_ino, cred, mask, cache.mask);
 	if (status != 0)
 		return status;
 	nfs_access_add_cache(inode, &cache);
@@ -1680,7 +1682,12 @@
 	if (!NFS_PROTO(inode)->access)
 		goto out_notsup;
 
-	cred = rpcauth_lookupcred(NFS_CLIENT(inode)->cl_auth, NULL, 0);
+	if (NFS_PROTO(inode)->version > 3)
+		cred = rpcauth_lookupcred(NFS_CLIENT(inode)->cl_auth, NULL, 0);
+	else {
+		struct rpc_groups fsg = { 1, { inode->i_gid } };
+		cred = rpcauth_lookupcred(NFS_CLIENT(inode)->cl_auth, &fsg, 0);
+	}
 	if (!IS_ERR(cred)) {
 		res = nfs_do_access(inode, cred, mask);
 		put_rpccred(cred);