NFS was definitely involved in the hung machine. Immediately prior to
the hang, I had done something like
% cp -r /othermachine/dir ./
where the amount of data copied was several hundred megabytes. both
machines have only a single CPU -- CONFIG_SMP is NOT set. i had typed
a few trivial commands on the client before the client hung. the command
that hung the machine was a simple
% cd xx<TAB>
where the <TAB> was to do command-line completion under tcsh. that's when
the thing locked solid. (the cwd directory at the time was itself NFS
mounted)
The NFS was linux-2.2.12 server to linux-2.2.12 client, with knfsd-1.4.7 on
both client and server.
regards,
todd chauvin
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