panic: hat_unload -- What's this mean
Alexander Dupuy
dupuy at columbia.edu
Sat Feb 4 01:04:40 AEST 1989
I've seen the same panic on our Sun-2/170 running 4.0.1. "hat" stands for
hashed address table, but beyond that I couldn't say. We have also had a
wierd panic every time we boot our 2/120s under 4.0[.1]. Just before
vmunix starts probing for devices, right after it sizes memory, we get a
"panic: hat_unlock". After it (tries to) write a crash dump, it
(auto)boots normally. We haven't ever seen this on our 2/170, though.
Could it be a CPU board rev problem which only our ancient 2/120s have?
@alex
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