amd64 panic

[Patrick Welche <prlw1%cam.ac.uk@localhost>]

Just updated src, booted new DIAGNOSTIC LOCKDEBUG etc amd64 kernel with

   boot netbsd.dbg -vx

and:

#0  0xffffffff80221b75 in cpu_reboot (howto=howto@entry=260, 
    bootstr=bootstr@entry=0x0) at ../../../../arch/amd64/amd64/machdep.c:681
#1  0xffffffff8096c23c in vpanic (
    fmt=fmt@entry=0xffffffff810e573d "prevented access to %p (SMAP)", 
    ap=ap@entry=0xffffe4011dda9558) at ../../../../kern/subr_prf.c:342
#2  0xffffffff8096c2f0 in panic (
    fmt=fmt@entry=0xffffffff810e573d "prevented access to %p (SMAP)")
    at ../../../../kern/subr_prf.c:258
#3  0xffffffff80223aa6 in trap (frame=0xffffe4011dda9690)
    at ../../../../arch/amd64/amd64/trap.c:557
#4  0xffffffff80201263 in alltraps ()
#5  0xffffffff808c0c29 in ffs_init_vnode (ump=ump@entry=0xffffe40469b74e08, 
    vp=0xffffe40466988d20, ino=7028539)
    at ../../../../ufs/ffs/ffs_vfsops.c:1995
#6  0xffffffff808c0e2a in ffs_loadvnode (mp=0xffffe40468ac1008, 
    vp=0xffffe40466988d20, key=<optimized out>, key_len=<optimized out>, 
    new_key=0xffffe4011dda9870) at ../../../../ufs/ffs/ffs_vfsops.c:2062
#7  0xffffffff809c6580 in vcache_get (mp=0xffffe40468ac1008, 
    key=key@entry=0xffffe4011dda9988, key_len=key_len@entry=8, 
    vpp=vpp@entry=0xffffe4011dda9970) at ../../../../kern/vfs_vnode.c:1343
#8  0xffffffff808cc975 in ufs_getino (same=false, tdp=0xffffe4011dda9970, 
    foundino=7028539, ip=0xffffe40469b5bd00, vdp=0xffffe40469a66158)
    at ../../../../ufs/ufs/ufs_lookup.c:253
#9  ufs_lookup (v=<optimized out>) at ../../../../ufs/ufs/ufs_lookup.c:684
#10 0xffffffff809d09f7 in VOP_LOOKUP (dvp=dvp@entry=0xffffe40469a66158, 
    vpp=vpp@entry=0xffffe4011dda9a48, cnp=cnp@entry=0xffffe4011dda9da8)
    at ../../../../kern/vnode_if.c:175
#11 0xffffffff809b2d4c in lookup_once (state=state@entry=0xffffe4011dda9bd0, 
    searchdir=0xffffe40469a66158, 
    newsearchdir_ret=newsearchdir_ret@entry=0xffffe4011dda9b28, 
    foundobj_ret=foundobj_ret@entry=0xffffe4011dda9b30)
    at ../../../../kern/vfs_lookup.c:989
#12 0xffffffff809b3873 in namei_oneroot (isnfsd=<optimized out>, 
    inhibitmagic=<optimized out>, neverfollow=<optimized out>, 
    state=<optimized out>) at ../../../../kern/vfs_lookup.c:1228
#13 namei_tryemulroot (state=state@entry=0xffffe4011dda9bd0, 
    neverfollow=neverfollow@entry=0, inhibitmagic=inhibitmagic@entry=0, 
    isnfsd=isnfsd@entry=0) at ../../../../kern/vfs_lookup.c:1510
#14 0xffffffff809b5735 in namei (ndp=ndp@entry=0xffffe4011dda9d58)
    at ../../../../kern/vfs_lookup.c:1546
#15 0xffffffff809c8c6a in vn_open (ndp=ndp@entry=0xffffe4011dda9d58, 
    fmode=fmode@entry=1, cmode=cmode@entry=96)
    at ../../../../kern/vfs_vnops.c:175
#16 0xffffffff809bf744 in do_open (l=l@entry=0xffffe40469e5b020, dvp=0x0, 
    pb=<optimized out>, open_flags=open_flags@entry=0, 
    open_mode=open_mode@entry=114, fd=fd@entry=0xffffe4011dda9e7c)
    at ../../../../kern/vfs_syscalls.c:1576
#17 0xffffffff809bf895 in do_sys_openat (l=0xffffe40469e5b020, 
    fdat=fdat@entry=-100, path=<optimized out>, flags=0, mode=114, 
    fd=fd@entry=0xffffe4011dda9e7c) at ../../../../kern/vfs_syscalls.c:1656
#18 0xffffffff809bf953 in sys_open (l=<optimized out>, uap=<optimized out>, 
    retval=0xffffe4011dda9eb0) at ../../../../kern/vfs_syscalls.c:1676
...


Booted again - same kernel, no -vx, got a core, things seem OK... Just unlucky?

Cheers,

Patrick