4.99.67 crash

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

While doing a 'make release' I got an unexpected crash.  The panic 
message reported by savecore (upon reboot) was

        panic: panic: trap

Here's the backtrace from the coredump:

(gdb) bt
#0  0xffffffff8027420c in mi_switch (l=0xffffffff805b5500)
    at /build/src/sys/kern/kern_synch.c:778
#1  0xffffffff80270b4a in sleepq_changepri (l=0x0, pri=-2141498112)
    at /build/src/sys/sys/lwp.h:373
#2  0xffffffff8024cd66 in cv_timedwait (cv=0xffffffff80614ec0,
    mtx=0xffffffff8060f8c0, timo=0) at 
/build/src/sys/kern/kern_condvar.c:128
#3  0xffffffff8020c09b in uvm_swapout_threads ()
    at /build/src/sys/uvm/uvm_glue.c:722
#4  0xffffffff80242938 in sysctl_hw_setup (clog=0x0)
    at /build/src/sys/kern/init_sysctl.c:923
#5  0xffffffff80100386 in longmode_hi ()
#6  0x0000000000000000 in ?? ()
(gdb)

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