(no subject)

[Greg Lindahl]

> We have a UP2000 that is causing us endless problems.  It locks up
> whenever a big memory job is run.  It does this for any of two or three
> different jobs, often very quickly.  We've pretty much completely
> replaced the memory itself and the problem persists.  We suspect
> hardware, but which hardware, and how to be sure?

Try running a memory test. I've run UP2000s with 1/2 gbyte on all kinds of
long-running intensive calculations with no problems.

> Are there known SMP deadlock problems or memory bus problems
> that are fairly viewed as software?

I did manage to occasionally deadlock DS20Es; they print a message every
20-30 seconds on the console.

-- g