strange crash on port-amd64 5.99.39

[Paul Goyette <paul%whooppee.com@localhost>]

Hmmm, I was just doing a 'build.sh -u release' and got the following 
panic.  Unfortunately, I did not have a real (PS2) keyboard attached, 
and kdb was not liking my USB keyboard, so I could not enter any 
commands...  I copied the following down by hand (I suspect I missed a 
couple digits in the cr2 value)

fatal protection fault in supervisor mode
trap type 4 code 0 rip ffffffff801ff955 cs 8 rflags 10282 cr2 
7f7ffd622020 cpl8 rsp ffff80004c8e29d0

stopped in (nbmake) at turnstile_block+0x14b" movq 0x20(%rax),%rax


Any clues?


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