On Dec 7, 2005, at 8:08 AM, Andreas Wrede wrote:

> Running with a kernel with DIAGNOSTIC, LOCKDEBUG and DEBUG turned  
> on produced two panics over the last week:
>
> Nov 30
>
> panic: kernel debugging assertion "(v == __SIMPLELOCK_LOCKED) || (v  
> == __SIMPLELOCK_UNLOCKED)" failed: file "/u1/netbsd-3.0/src/sys/ 
> arch/x86/x86/lock_machdep.c",

This very likely means that something is smashing memory.

-- thorpej