It is rumoured that Vallo Kallaste had the courage to say:
> I had a lockup yesterday while stress-testing new SMP machine. Tyan
> motherboard with Intel GX chipset, 256MB of memory, one 20GB IBM UDMA66
> disk, but running at UDMA33. All power management disabled completely in
> the BIOS. I was doing massive parallel compiling of GENERIC kernels.
> Let the machine doing this overnight and on the morning the console had
> about 20 'microuptime() went backwards' messages, I was able to switch
> vty's but not login, machine responded to pings, no disk activity. I'm
> using ata driver and only one unusual kernel option HZ=1000.

Your symptoms are not the same as mine. In my case the lockups are
complete. No switching of vt's, no pings, nothing at all. 

I never saw any "microuptime() went backwards" messages either. But then
again, I never had the machine lockup on the console; I was usually logged
in over the network or working in X. 

Regards, 

Dave Boers. 

-- 
  Dave Boers             < djb @ relativity . student . utwente . nl >
  Don't let your schooling interfere with your education. (Mark Twain)


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