virtualbox-3.0.51r22226 still panic'ing

[Doug Barton]

I'm using a core2duo on i386 SMP and the latest virtualbox port is
still panic'ing for me:

panic: blockable sleep lock (sleep mutex) IPRT Event Semaphore @
/usr/local/tmp/
usr/local/ports/emulators/virtualbox/work/virtualbox-3.0.51r22226/src/VBox/Runti
me/r0drv/freebsd/semevent-r0drv-freebsdT?<A0>^]FreeBSD Kernel Dump

#0  doadump () at pcpu.h:246
246     pcpu.h: No such file or directory.
        in pcpu.h
(kgdb) #0  doadump () at pcpu.h:246
#1  0xc05f11de in boot (howto=260)
    at /usr/local/src/sys/kern/kern_shutdown.c:416
#2  0xc05f14b2 in panic (fmt=Variable "fmt" is not available.
) at /usr/local/src/sys/kern/kern_shutdown.c:579
#3  0xc0631eb0 in witness_checkorder (lock=0xc627c720, flags=9,
    file=0xc61a7a40
"/usr/local/tmp/usr/local/ports/emulators/virtualbox/work/virtualbox-3.0.51r22226/src/VBox/Runtime/r0drv/freebsd/semevent-r0drv-freebsd.c",
line=127, interlock=0x0) at /usr/local/src/sys/kern/subr_witness.c:1063
#4  0xc05e2114 in _mtx_lock_flags (m=0xc627c720, opts=0,
    file=0xc61a7a40
"/usr/local/tmp/usr/local/ports/emulators/virtualbox/work/virtualbox-3.0.51r22226/src/VBox/Runtime/r0drv/freebsd/semevent-r0drv-freebsd.c",
line=127) at /usr/local/src/sys/kern/kern_mutex.c:200
#5  0xc6194e7c in RTSemEventSignal (EventSem=0xc627c710)
    at
/usr/local/tmp/usr/local/ports/emulators/virtualbox/work/virtualbox-3.0.51r22226/src/VBox/Runtime/r0drv/freebsd/semevent-r0drv-freebsd.c:127
#6  0xc617e3d4 in SUPSemEventSignal (pSession=0xc5683410, hEvent=0x1)
    at
/usr/local/tmp/usr/local/ports/emulators/virtualbox/work/virtualbox-3.0.51r22226/src/VBox/HostDrivers/Support/SUPDrv.c:3417
#7  0xc62df4db in ?? ()
[bunch more like #7 above]
#139 0xc08677f4 in __qdivrem (uq=Unhandled dwarf expression opcode
0x93) at /usr/local/src/sys/libkern/qdivrem.c:186
Previous frame inner to this frame (corrupt stack?)

Doug

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