2.2.3ac4 and still sockets on nfs unusable

Harald Kirsch (kir@iitb.fhg.de)
Wed, 24 Mar 1999 09:30:08 +0100

We are using knfs with 2.2.3ac4 and have severe problems using sockets
on nfs-mounted volumes. In the logs I find triples like this:

Mar 23 13:17:15 neptun kernel: nfs_free_dentries: found .X11-unix/X0, d_count=10, hashed=0
Mar 23 13:17:15 neptun kernel: __nfs_fhget: inode 917613 still busy, i_count=2
Mar 23 13:17:15 neptun kernel: __nfs_fhget: killing .X11-unix/X0 filehandle

Similar messages appear for a lot of files but it seems to hurt only for
sockets (like /tmp/.X11-unix/X0, /dev/printer and /dev/log). After these
messages appear, the connected processes (X, lpd, syslogd) are no longer
reachable.

I had a look at the sources at nfs/inode.c but don't know enough to
understand them. With some hints about the general flow of information
through the nfs-system (*), I would nevertheless try to find the bug.

Harald Kirsch

(*) I currently don't even know if the kernel-part of nfs or if knfsd
communicates over the net.

-- 
-------------------------------------------------+------------------
Harald Kirsch, kir@iitb.fhg.de, +49 721 6091 369 | Now I rebooted.
FhG/IITB,      Fraunhoferstr.1, 76131 Karlsruhe  |     --- Jerry Pournelle


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