On 04/12/2011 02:52 PM, Jiri Slaby wrote: > On 04/12/2011 08:43 PM, Bryan Schumaker wrote: >> On 04/12/2011 02:34 PM, Jiri Slaby wrote: >>> On 04/12/2011 08:31 PM, Trond Myklebust wrote: >>>>> Yes, it fixes the problem. But it waits 15s before it times out. This is >>>>> inacceptable for automounted NFS dirs. >>>> >>>> I'm still confused as to why you are hitting it at all. In the normal >>>> autonegotiation case, the client should be trying to use AUTH_SYS first >>>> and then trying rpcsec_gss if and only if that fails. >>>> >>>> Are you really exporting a filesystem using AUTH_NULL as the only >>>> supported flavour? >>> >>> I don't know, I connect to a nfs server which is not maintained by me. >>> It looks like that. How can I find out? >> >> If you're not using gss for anything, you could try rmmod-ing rpcsec_gss_krb5 (and other rpcsec_gss_* modules). > > I don't have NFS in modules. It's all built-in. And this one is > unconditionally selected because of CONFIG_NFS_V4. Does this patch help? - Bryan We should attempt an AUTH_NULL style mount before trying gss flavors. This should prevent a hang if gss modules are loaded but the userspace program isn't running. diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 9bf41ea..4e3c16b 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2218,8 +2218,8 @@ static int nfs4_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, rpc_authflavor_t flav_array[NFS_MAX_SECFLAVORS + 2]; flav_array[0] = RPC_AUTH_UNIX; - len = gss_mech_list_pseudoflavors(&flav_array[1]); - flav_array[1+len] = RPC_AUTH_NULL; + flav_array[1] = RPC_AUTH_NULL; + len = gss_mech_list_pseudoflavors(&flav_array[2]); len += 2; for (i = 0; i < len; i++) { > > regards, -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html