initiate_write_filepage: already started

After installing a newly cvsupped freebsd 5.x-current
I started to receive the following message and had a few panics etc.

initiate_write_filepage: already started

Here is my dmesg output

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 #0: Mon Oct 13 01:00:45 EEST 2003
    toor_at_proxy.ispro.net.tr:/usr/obj/usr/src/sys/PROXY
Preloaded elf kernel "/boot/kernel/kernel" at 0xc0723000.
Preloaded elf module "/boot/kernel/splash_bmp.ko" at 0xc0723244.
Preloaded elf module "/boot/kernel/acpi.ko" at 0xc07232f4.
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: AMD Athlon(tm) XP (1746.83-MHz 686-class CPU)
  Origin = "AuthenticAMD"  Id = 0x681  Stepping = 1

Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
  AMD Features=0xc0400000<AMIE,DSP,3DNow!>
real memory  = 1610547200 (1535 MB)
avail memory = 1560543232 (1488 MB)
Pentium Pro MTRR support enabled
VESA: v1.2, 1024k memory, flags:0x0, mode table:0xc00c4f04 (c0004f04)
VESA: S3 Incorporated. 86C775/86C785
module_register_init: MOD_LOAD (splash_bmp, 0xc06d1810, 0) error 2
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
acpi0: Other PM system enabled.
pcibios: BIOS version 2.10
Using $PIR table, 11 entries at 0xc00fdeb0
apm0: <APM BIOS> on motherboard
apm0: found APM BIOS v1.2, connected at v1.2
pcib0: <Host to PCI bridge> at pcibus 0 on motherboard
pci0: <PCI bus> on pcib0
agp0: <NVIDIA nForce2 AGP Controller> mem 0xe8000000-0xe9ffffff at device
0.0 on pci0
pci0: <memory, RAM> at device 0.1 (no driver attached)
pci0: <memory, RAM> at device 0.2 (no driver attached)
pci0: <memory, RAM> at device 0.3 (no driver attached)
pci0: <memory, RAM> at device 0.4 (no driver attached)
pci0: <memory, RAM> at device 0.5 (no driver attached)
isab0: <PCI-ISA bridge> at device 1.0 on pci0
isa0: <ISA bus> on isab0
pci0: <serial bus, SMBus> at device 1.1 (no driver attached)
pci0: <network, ethernet> at device 4.0 (no driver attached)
pcib1: <PCIBIOS PCI-PCI bridge> at device 8.0 on pci0
pci1: <PCI bus> on pcib1
pci_cfgintr: 1:6 INTA BIOS irq 5
pci_cfgintr: 1:8 INTA BIOS irq 11
pci_cfgintr: 1:11 INTA BIOS irq 11
pci1: <display, VGA> at device 6.0 (no driver attached)
fxp0: <Intel 82551 Pro/100 Ethernet> port 0x9000-0x903f mem
0xe5000000-0xe501ffff,0xe5020000-0xe5020fff irq 11 at device 8.0 on pci1
fxp0: Ethernet address 00:07:e9:0d:ea:4e
miibus0: <MII bus> on fxp0
inphy0: <i82555 10/100 media interface> on miibus0
inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
atapci0: <SiI 3112 SATA150 controller> port
0xa400-0xa40f,0xa000-0xa003,0x9c00-0x9c07,0x9800-0x9803,0x9400-0x9407 mem
0xe5021000-0xe50211ff irq 11 at device 11.0 on pci1
atapci0: [MPSAFE]
ata2: at 0xe5021000 on atapci0
ata2: [MPSAFE]
ata3: at 0xe5021000 on atapci0
ata3: [MPSAFE]
atapci1: <nVidia nForce2 UDMA133 controller> port 0xf000-0xf00f at device
9.0 on pci0
ata0: at 0x1f0 irq 14 on atapci1
ata0: [MPSAFE]
ata1: at 0x170 irq 15 on atapci1
ata1: [MPSAFE]
pcib2: <PCIBIOS PCI-PCI bridge> at device 12.0 on pci0
pci2: <PCI bus> on pcib2
pci_cfgintr: 2:1 INTA BIOS irq 10
xl0: <3Com 3c920B-EMB Integrated Fast Etherlink XL> port 0xb000-0xb07f mem
0xeb000000-0xeb00007f irq 10 at device 1.0 on pci2
xl0: Ethernet address: 00:26:54:10:ca:34
miibus1: <MII bus> on xl0
acphy0: <AC101L 10/100 media interface> on miibus1
acphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
pcib3: <PCI-PCI bridge> at device 30.0 on pci0
pci3: <PCI bus> on pcib3
pmtimer0 on isa0
orm0: <Option ROMs> at iomem
0xd1000-0xd17ff,0xcc000-0xd07ff,0xca000-0xcb7ff,0xc8000-0xc97ff,0xc0000-0xc7fff
on isa0
atkbdc0: <Keyboard controller (i8042)> at port 0x64,0x60 on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
fdc0: <Enhanced floppy controller (i82077, NE72065 or clone)> at port
0x3f7,0x3f0-0x3f5 irq 6 drq 2 on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
unknown: <PNP0303> can't assign resources (port)
unknown: <PNP0700> can't assign resources (port)
Timecounters tick every 10.000 msec
ipfw2 initialized, divert disabled, rule-based forwarding enabled, default
to accept, logging disabled
GEOM: create disk ad0 dp=0xc5b4b670
ad0: 39205MB <Maxtor 6E040L0> [79656/16/63] at ata0-master UDMA133
GEOM: create disk ad4 dp=0xc5b4b470
ad4: 114473MB <ST3120026AS> [232581/16/63] at ata2-master UDMA133
GEOM: create disk ad6 dp=0xc5b4b370
ad6: 114473MB <ST3120026AS> [232581/16/63] at ata3-master UDMA133
Mounting root from ufs:/dev/ad0s1a