5.0 BETA WAPBL related crash

[Juraj Hercek <nbsd%hck.sk@localhost>]

Hello,

I've experienced the crash when cvs updating pkgsrc. Intel C2D runs 
NetBSD/amd64 5.0_BETA (XEN3_DOM0 running on xen-3.3.0) built yesterday 
Mon Dec 15 12:13:02 CET 2008:

--- hand rewritten ---
uvm_fault (0xffffffff80c6ea20, 0x0, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff803b38fb c e030 rflags 10246 cf2  19 cpl 
0 rsp ffffa0002868baf0
kernel: page fault trap, code=0
Stopped in pid 0.52 (system) at netbsd:ffs_itimes+0x10b:     cmpq   
$0x1,0x18(%rax)
ffs_itimes() at netbsd:ffs_itimes+0x10b
ffs_update() at netbsd:ffs_update+0x50
ffs_full_fsync() at netbsd:ffs_full_fsync+0x3d1
spec_fsync() at netbsd:spec_fsync+0x59
VOP_FSYNC() at netbsd:VOP_FSYNC+0x34
sched_sync() at netbsd:sched_sync+0x14d
ds    0x5684
es    0xbaf0
fs     0x4
gs    0xd5c1
rdi   0
rsi    0
rbp  0xffffa0002868bb30
rbx  0xffffa0002875ad38
rdx  0xf09a00d816af3517
rcx  0xd5555684
rax  0x1
r8   0
r9   0
r10 0
r11 0
r12 0
r13 0
r14 0xffffa0002868baf0
r15 0xffffa0002868baf0
rip  0xffffffff803b38fb  ffs_itimes+0x10b
cs   0xe030
rflags 0x10246
rsp  0xffffa0002868baf0
ss    0xe02b
netbsd:ffs_itimes+0x10b:    cmpq   $0x1,0x18(%rax)
db>

This one occured when I rebooted system:
umounting /mnt/data (/dev/wd0p)...uvm_fault(0xffffa00026e8a5c0, 0x0, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff803b3854 cs e030 rflags 10246 cr2  19 cpl 
0 rsp ffffa00029007910
kernel: page fault trap, code=0
Stopped in pid 390.1 (reboot) at   netbsd:ffs_itimes+0x64: cmpq   
$0x1,0x18(%rax)
ffs_itimes() at netbsd:ffs_itimes+0x64
ffs_update() at netbsd:ffs_update+0x50
ffs_fullfsync() at netbsd:ffs_full_fsync+0x3d1
spec_fsync() at netbsd:spec_fsync+0x59
VOP_FSYNC() at netbsd:VOP_FSYNC+0x34
ffs_flushfiles() at netbsd:ffs_flushfiles+0xf7
ffs_unmount() at netbsd:ffs_unmount+0x55
dounmount() at netbsd:dounmount+0xd5
vfs_unmountall() at netbsd:vfs_unmountall+0x7c
cpu_reboot() at netbsd:cpu_reboot+0xdc
sys_reboot() at netbsd:sys_reboot+0x52
syscall() at netbsd:syscall+0xb4
ds 0x56e7
es 0x7910
fs 0x7900
gs 0xd5c1
rdi 0
rsi 0
rbp 0xffffa00029007950
rbx 0xffffa0002875ad38
rdx 0x5bfa51b4c9cffd7f
rcx 0xd55556e7
rax 0x1
r8 0
r9 0x100000
r10 0
r11 0xffffa000289f34d8
r12 0xffffa00029007910
r13 0
r14 0
r15 0xffffa00029007910
rip 0xffffffff803b3854 ffs_itimes+0x64
cs 0xe030
rflags 0x10246
rsp 0xffffa00029007910
ss 0xe02b
netbsd:ffs_itimes+0x64: cmpq  $0x1,0x18(%rax)
db>

The partition is mounted this way (if it matters):
$ mount | grep mnt
/local/mnt on /mnt type null (hidden, local)
/dev/wd0p on /mnt/data type ffs (log, local)

Is the crash known already/being worked on?

-- Juraj