spin lock panic in 5.2-REL
Peter_Losher at isc.org
Tue Jan 27 14:20:23 PST 2004
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On Tuesday 27 January 2004 10:34 am, John Baldwin wrote:
> This is a very hard to debug problem. If WITNESS is on it provides more
> useful information that can help track that down, but I wouldn't expect a
> production machine to be using WITNESS.
Yes, I was running a kernel for a short while w/ INVARIANTS and WITNESS, but
it was basically useless after a couple of hours under load under the giant
lock. How much of a performance hit is just WITNESS?
(I also got a "me too" message from someone privately who experianced the same
issue after a 5.1->5.2 update)
Peter_Losher at isc.org | ISC | OpenPGP 0xE8048D08 | "The bits must flow"
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