>> I've noticed this before, but today I've sat down and tested. When two
>> drives are in heavy use on a CATS it completely locks. For instance if
>> either of the two following commands are run separately, everything works
>> fine. If both are run at the same time the machine will completely lock.

>This affects diskful Sharks too, although much less so with -current
>compared to the 1.4 branch. It has also been reported on some i386
>installations.

My CATS will lock up under heavy use with just one drive.

I can reproduce it every time if I try to build the Jikes Java compiler.

Robert Swindells