Re: Lockups with kernel 2.2.12 and 2.2.10

Todd Chauvin (chauvin@euclid.ee.washington.edu)
Thu, 23 Sep 1999 17:07:43 -0700 (PDT)

>
> I've had this type of crash as well. Are you using NFS? As a NFS
> client, I can get my machine to lockup almost every time after loading
> the machine with copying files from an NFS server, then typing a few
> simple commands on the NFS client. See my previous posting for full
> details. After my lockup, I can ping the machine. The SYSRQ keys do work.
> Are you running SMP?
>

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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