Panic: Inconsistent vnode bufstrategy

Happened on a -CURRENT from last friday during a
'dump -0uLf ... | (cd /mnt && restore ...)':

#0  doadump () at pcpu.h:159
#1  0xc04de958 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:385
#2  0xc04de582 in panic (fmt=0xc06303bd "from debugger")
     at /usr/src/sys/kern/kern_shutdown.c:541
#3  0xc0446675 in db_panic (addr=-1068545384, have_addr=0, count=-1,
     modif=0xe4b53ac4 "") at /usr/src/sys/ddb/db_command.c:435
#4  0xc044697c in db_command_loop () at /usr/src/sys/ddb/db_command.c:349
#5  0xc0448388 in db_trap (type=3, code=0) at /usr/src/sys/ddb/db_main.c:221
#6  0xc04f4e5e in kdb_trap (type=3, code=0, tf=0xe4b53bec)
     at /usr/src/sys/kern/subr_kdb.c:421
#7  0xc0607954 in trap (frame=
       {tf_fs = -457900008, tf_es = -1068564464, tf_ds = -1067188208, 
tf_edi = 0, tf_esi = 1, tf_ebp = -457884628, tf_isp = -457884648, tf_ebx = 
-457884584, tf_edx = -1067176684, tf_ecx = -1066768128, tf_eax = 
-1067168070, tf_trapno = 3, tf_err = 0, tf_eip = -1068545384, tf_cs = 8, 
tf_eflags = 646, tf_esp = -457884596, tf_ss = -1068636737})
     at /usr/src/sys/i386/i386/trap.c:576
#8  0xc05f6cba in calltrap () at /usr/src/sys/i386/i386/exception.s:140
#9  0xe4b50018 in ?? ()
#10 0xc04f0010 in devaddq (type=0x0, what=0x3 <Address 0x3 out of bounds>,
     dev=0xe4b53c58) at /usr/src/sys/kern/subr_bus.c:614
#11 0xc04de5bf in panic (fmt=0x286 <Address 0x286 out of bounds>)
     at /usr/src/sys/kern/kern_shutdown.c:525
#12 0xc0524df5 in bufstrategy (bo=0x0, bp=0xd6049a20)
     at /usr/src/sys/kern/vfs_bio.c:3811
#13 0xc0523fdf in bufwrite (bp=0xd6049a20) at buf.h:418
#14 0xc051fcd4 in vfs_bio_awrite (bp=0xd6049a20) at buf.h:405
#15 0xc05217e9 in flushbufqueues (flushdeps=0) at /usr/src/sys/kern/vfs_bio.c:2206
#16 0xc05218cb in buf_daemon () at /usr/src/sys/kern/vfs_bio.c:2098
#17 0xc04cba8a in fork_exit (callout=0xc0521834 <buf_daemon>, arg=0x0,
     frame=0xe4b53d48) at /usr/src/sys/kern/kern_fork.c:807
#18 0xc05f6d1c in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:209

cheers,
le

-- 
Lukas Ertl                         http://homepage.univie.ac.at/l.ertl/
le_at_FreeBSD.org                     http://people.freebsd.org/~le/