Re: Syslog flooded: "NFSD: preprocess_seqid_op: magic stateid!"

["J. Bruce Fields" <bfields@fieldses.org>]

On Wed, Jun 16, 2010 at 10:20:15AM +0200, Joschi Brauchle wrote:
> Second problem:
> We recently downgraded from a patched nfs-utils 1.0.9 (patched to acc=
ept the =E2=80=9C-h=E2=80=9D option for different hostname in Kerberos =
service creds in a high availability environment) to the original Novel=
l RPM providing nfs-utils 1.0.7 (now using the undocumented =E2=80=9C-c=
=E2=80=9D switch to read the accepted creds from keytab file). (Note: t=
he first problem has already occurred before this downgrade)
>=20
> Since this change, we are experiencing massive lags (1-10 sec freezes=
, irregularly, but a couple times an hour) on our client machines, whic=
h are mounting their homes via NFSv4. There seem to be no related messa=
ges or warnings on the server nor the clients.
>=20
> We come to the conclusion that 1.0.9 was the more stable version. The=
 resulting question is: Which nfs-utils version would be best suited fo=
r SLES10SP3 (see kernel version above). Can we go straight to the lates=
t 1.2.2 available or should we stick with 1.0.xx version?

No idea.  We'd have to figure out the cause of the lags.

--b.