Question on odd Sun behaviour

[David England]

A couple of times now our Sun 120 has done a reboot after this, apparently
harmless, command line (it didn't use to do this);
% cat file | csvax lpr

where csvax is a remote machine entry in /usr/host.

The machine goes into KERNEL mode, does a traceback, gives a panic: Address
error, then reboots. 

Could any unix/sun wizard e-mail some help/hints/etc ?

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