Panic in fxp_intr

I get this panic in -CURRENT from today. 

fxp_intr
/usr/src/sys/dev/fxp/if_fxp.c:1640

I have revision 1.238 of if_fxp.c. I assume it has something to do
with the changes from Brooks. I have a kernel dump & debug kernel
available, if anyone's interested.

Arjan

winston% sudo kgdb kernel.debug.20050610-WINSTON vmcore.80
[GDB will not be able to debug user-mode threads:
/usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"]
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This GDB was configured as "i386-marcel-freebsd".
#0  doadump () at pcpu.h:165
165     pcpu.h: No such file or directory.
        in pcpu.h
(kgdb) where
#0  doadump () at pcpu.h:165
#1  0xc056d4ce in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:397
#2  0xc056cf4b in panic (fmt=0xc070d932 "from debugger")
    at /usr/src/sys/kern/kern_shutdown.c:553
#3  0xc0458bd2 in db_panic (addr=-1068816132, have_addr=0, count=-1,
    modif=0xd56f0a84 "") at /usr/src/sys/ddb/db_command.c:435
#4  0xc0459009 in db_command_loop () at /usr/src/sys/ddb/db_command.c:349
#5  0xc045ae24 in db_trap (type=12, code=0) at /usr/src/sys/ddb/db_main.c:221
#6  0xc058ad6b in kdb_trap (type=0, code=0, tf=0xd56f0c4c)
    at /usr/src/sys/kern/subr_kdb.c:471
#7  0xc06df761 in trap_fatal (frame=0xd56f0c4c, eva=246237)
    at /usr/src/sys/i386/i386/trap.c:826
#8  0xc06dfa8b in trap_pfault (frame=0xd56f0c4c, usermode=0, eva=246237)
    at /usr/src/sys/i386/i386/trap.c:749
#9  0xc06dfe13 in trap (frame=
      {tf_fs = -714145784, tf_es = 40, tf_ds = -1065549784, tf_edi =
246189, tf_esi = 0, tf_ebp = -714142520, tf_isp = -714142600, tf_ebx =
-1044660222, tf_edx = -1066303076, tf_ecx = -1065492788, tf_eax =
-1044660224, tf_trapno = 12, tf_err = 0, tf_eip = -1068816132, tf_cs =
32, tf_eflags = 66054, tf_esp = -1044660200, tf_ss = 8})
    at /usr/src/sys/i386/i386/trap.c:439
#10 0xc06cb39a in calltrap () at /usr/src/sys/i386/i386/exception.s:139
#11 0xd56f0008 in ?? ()
#12 0x00000028 in ?? ()
---Type <return> to continue, or q <return> to quit---
#13 0xc07d0028 in w_locklistdata ()
#14 0x0003c1ad in ?? ()
#15 0x00000000 in ?? ()
#16 0xd56f0cc8 in ?? ()
#17 0xd56f0c78 in ?? ()
#18 0xc1bbc002 in ?? ()
#19 0xc071819c in ?? ()
#20 0xc07ddecc in w_locklistdata ()
#21 0xc1bbc000 in ?? ()
#22 0x0000000c in ?? ()
#23 0x00000000 in ?? ()
#24 0xc04b28fc in fxp_intr (xsc=0xc1bbc000) at
/usr/src/sys/dev/fxp/if_fxp.c:1639
#25 0xc05561be in ithread_loop (arg=0xc1a07200) at
/usr/src/sys/kern/kern_intr.c:546
#26 0xc05550a4 in fork_exit (callout=0xc0555fc0 <ithread_loop>,
arg=0x0, frame=0x0)
    at /usr/src/sys/kern/kern_fork.c:789
#27 0xc06cb3fc in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:208
(kgdb)