On Tue, 2011-04-12 at 20:05 +0200, Jiri Slaby wrote: > On 04/12/2011 07:41 PM, Bryan Schumaker wrote: > > On 04/11/2011 05:08 PM, Jiri Slaby wrote: > >> > >> Sorry for an extra message. I've just found out that there appears > >> messages in dmesg: > >> [ 58.656048] RPC: AUTH_GSS upcall timed out. > >> [ 58.656050] Please check user daemon is running. > >> [ 88.656065] RPC: AUTH_GSS upcall timed out. > >> [ 88.656068] Please check user daemon is running. > >> [ 118.656077] RPC: AUTH_GSS upcall timed out. > >> [ 118.656080] Please check user daemon is running. > >> [ 148.656049] RPC: AUTH_GSS upcall timed out. > >> [ 148.656052] Please check user daemon is running. > >> [ 178.656046] RPC: AUTH_GSS upcall timed out. > >> [ 178.656049] Please check user daemon is running. > >> > >> > >> I instrumented the code and it's stuck with trying RPC_AUTH_GSS_KRB5. > >> > >> I don't use GSS at all. > >> > >> regards, > > > > Does this patch help? > > > > - Bryan > > > > > > > > There can be an infinite loop if gss_create_upcall() is called without > > the userspace program running. To prevent this, we return -EACCES if > > we notice that pipe_version hasn't changed (indicating that the pipe > > has not been opened). > > 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? -- Trond Myklebust Linux NFS client maintainer NetApp Trond.Myklebust@xxxxxxxxxx www.netapp.com -- 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
