lor on boot

I'm getting a lor on a system just upgraded to sources from this 
morning.  The systems been running fine for the past month or so.

mail# uname -a
FreeBSD mail.redland.sricrm.com 5.1-CURRENT FreeBSD 5.1-CURRENT #2: 
Thu Oct  2 18:57:07 GMT 2003     
root_at_mail.redland.sricrm.com:/usr/src/sys/i386/compile/MAIL  i386

Local package initialization: svscanlock order reversal
 1st 0xc25085f8 rl0 (network driver) _at_ pci/if_rl.c:1485
 2nd 0xc055878c udp (udp) _at_ netinet/udp_usrreq.c:263
Stack backtrace:
backtrace(c047e21a,c055878c,c0483e14,c0483e14,c04851a3) at 
backtrace+0x17
witness_lock(c055878c,8,c04851a3,107,0) at witness_lock+0x672
_mtx_lock_flags(c055878c,0,c048519a,107,c0478661) at 
_mtx_lock_flags+0xba
udp_input(c0ea3900,14,c02d359d,c0531520,c04836d9) at udp_input+0x212
ip_input(c0ea3900,0,c04836d0,99,c25085f8) at ip_input+0x846
netisr_dispatch(2,c0ea3900,c05311e0,4,0) at netisr_dispatch+0x9b
ether_demux(c2508000,c0ea3900,c0ea3932,c1,c0ea3900) at 
ether_demux+0x28c
ether_input(c2508000,c0ea3900,0,c2508000,0) at ether_input+0x25c
rl_rxeof(c2508000,0,c048648a,5cd,c2508000) at rl_rxeof+0x224
rl_intr(c2508000,0,c04790ad,215,c25221e4) at rl_intr+0xb9
ithread_loop(c2500500,cd1add48,c0478f27,314,0) at ithread_loop+0x192
fork_exit(c02c92e0,c2500500,cd1add48) at fork_exit+0xcf
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xcd1add7c, ebp = 0 ---

Copyright (c) 1992-2003 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 
1994
        The Regents of the University of California. All rights 
reserved.
FreeBSD 5.1-CURRENT #2: Thu Oct  2 18:57:07 GMT 2003
    root_at_mail.redland.sricrm.com:/usr/src/sys/i386/compile/MAIL
Preloaded elf kernel "/boot/kernel/kernel" at 0xc066e000.
Preloaded elf module "/boot/kernel/acpi.ko" at 0xc066e244.
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Pentium(R) 4 CPU 1.60GHz (1593.54-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0xf12  Stepping = 2
  
Features=0x3febfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM>
real memory  = 259981312 (247 MB)
avail memory = 245571584 (234 MB)
Pentium Pro MTRR support enabled
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
acpi0: <AWARD  MSI ACPI> on motherboard
pcibios: BIOS version 2.10
Using $PIR table, 6 entries at 0xc00fde60
acpi0: Power Button (fixed)
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
acpi_cpu0: <CPU> on acpi0
acpi_tz0: <Thermal Zone> on acpi0
acpi_button0: <Power Button> on acpi0
acpi_button1: <Sleep Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 
0x1080-0x10ff,0x1000-0x107f,0x480-0x48f,0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pcib0: slot 2 INTD is routed to irq 3
pcib0: slot 2 INTA is routed to irq 7
pcib0: slot 2 INTC is routed to irq 5
pcib0: slot 15 INTA is routed to irq 11
agp0: <SIS Generic host to PCI bridge> mem 0xe0000000-0xe1ffffff at 
device 0.0 on pci0
pcib1: <PCI-PCI bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pcib0: slot 1 INTA is routed to irq 10
pcib1: slot 0 INTA is routed to irq 10
pci1: <display, VGA> at device 0.0 (no driver attached)
isab0: <PCI-ISA bridge> at device 2.0 on pci0
isa0: <ISA bus> on isab0
ohci0: <SiS 5571 USB controller> mem 0xcb102000-0xcb102fff irq 3 at 
device 2.2 on pci0
usb0: OHCI version 1.0, legacy support
usb0: <SiS 5571 USB controller> on ohci0
usb0: USB revision 1.0
uhub0: SiS OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 3 ports with 3 removable, self powered
ohci1: <SiS 5571 USB controller> mem 0xcb100000-0xcb100fff irq 7 at 
device 2.3 on pci0
usb1: OHCI version 1.0, legacy support
usb1: <SiS 5571 USB controller> on ohci1
usb1: USB revision 1.0
uhub1: SiS OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 3 ports with 3 removable, self powered
atapci0: <SiS 961 UDMA100 controller> port 0x4000-0x400f at device 2.5 
on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata0: [MPSAFE]
ata1: at 0x170 irq 15 on atapci0
ata1: [MPSAFE]
pci0: <multimedia, audio> at device 2.7 (no driver attached)
rl0: <RealTek 8139 10/100BaseTX> port 0xe800-0xe8ff mem 
0xcb101000-0xcb1010ff irq 11 at device 15.0 on pci0
rl0: Ethernet address: 00:10:dc:20:f9:d2
miibus0: <MII bus> on rl0
rlphy0: <RealTek internal media interface> on miibus0
rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model Generic PS/2 mouse, device ID 0
orm0: <Option ROM> at iomem 0xc0000-0xcbfff on isa0
pmtimer0 on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio0: configured irq 4 not in bitmap of probed irqs 0
sio0: port may not be enabled
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 8250 or not responding
sio1: configured irq 3 not in bitmap of probed irqs 0
sio1: port may not be enabled
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on 
isa0
Timecounter "TSC" frequency 1593538020 Hz quality 800
Timecounters tick every 10.000 msec
GEOM: create disk ad0 dp=0xc256d270
ad0: 28629MB <WDC WD300AB-00BVA0> [58168/16/63] at ata0-master UDMA100
acd0: CDROM <YU CHA CD ROM 56X> at ata1-master PIO4
Mounting root from ufs:/dev/ad0s1a