uplcom write:Device not configured

I am using a uplcom usb to serial adapter

while using Current it stops working

On console appear:
write: Device not configured

After some time the machine hangs, and I have to power cycle the machine

Current is from 2 hours ago: r192766 

demsg below, if more info is required please let me know.



kind regards,
Marten


dmesg
Copyright (c) 1992-2009 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 is a registered trademark of The FreeBSD Foundation.
FreeBSD 8.0-CURRENT #2 r192766: Mon May 25 22:57:13 CEST 2009
    root_at_dfd:/usr/obj/usr/src/sys/GENERIC
WARNING: WITNESS option enabled, expect reduced performance.
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Mobile Intel(R) Pentium(R) 4     CPU 3.06GHz (3059.22-MHz 686-class
CPU)
  Origin = "GenuineIntel"  Id = 0xf29  Stepping = 9

Features=0xbfebfbff<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,PBE>
  Features2=0x4400<CNXT-ID,xTPR>
real memory  = 1073741824 (1024 MB)
avail memory = 1032486912 (984 MB)
ACPI APIC Table: <PTLTD          APIC  >
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
FreeBSD/SMP: 1 package(s) x 1 core(s) x 2 HTT threads
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP/HT): APIC ID:  1
ioapic0 <Version 2.0> irqs 0-23 on motherboard
kbd1 at kbdmux0
acpi0: <PTLTD   RSDT> on motherboard
acpi0: [ITHREAD]
acpi0: Power Button (fixed)
Timecounter "ACPI-safe" frequency 3579545 Hz quality 850
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
acpi_ec0: <Embedded Controller: GPE 0x1c> port 0x62,0x66 on acpi0
acpi_button0: <Sleep Button> on acpi0
acpi_lid0: <Control Method Lid Switch> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
agp0: <Intel 82865 host to AGP bridge> on hostb0
pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
pci1: <ACPI PCI bus> on pcib1
vgapci0: <VGA-compatible display> mem
0xd1000000-0xd1ffffff,0xe0000000-0xefffffff irq 16 at device 0.0 on pci1
uhci0: <Intel 82801EB (ICH5) USB controller USB-A> port 0x1cc0-0x1cdf
irq 16 at device 29.0 on pci0
uhci0: [ITHREAD]
uhci0: LegSup = 0x003b
usbus0: <Intel 82801EB (ICH5) USB controller USB-A> on uhci0
uhci1: <Intel 82801EB (ICH5) USB controller USB-B> port 0x1ce0-0x1cff
irq 19 at device 29.1 on pci0
uhci1: [ITHREAD]
uhci1: LegSup = 0x0010
usbus1: <Intel 82801EB (ICH5) USB controller USB-B> on uhci1
uhci2: <Intel 82801EB (ICH5) USB controller USB-C> port 0x2000-0x201f
irq 18 at device 29.2 on pci0
uhci2: [ITHREAD]
uhci2: LegSup = 0x0010
usbus2: <Intel 82801EB (ICH5) USB controller USB-C> on uhci2
uhci3: <Intel 82801EB (ICH5) USB controller USB-D> port 0x2020-0x203f
irq 16 at device 29.3 on pci0
uhci3: [ITHREAD]
uhci3: LegSup = 0x0010
usbus3: <Intel 82801EB (ICH5) USB controller USB-D> on uhci3
ehci0: <Intel 82801EB/R (ICH5) USB 2.0 controller> mem
0xd0000000-0xd00003ff irq 23 at device 29.7 on pci0
ehci0: [ITHREAD]
usbus4: EHCI version 1.0
usbus4: <Intel 82801EB/R (ICH5) USB 2.0 controller> on ehci0
pcib2: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci3: <ACPI PCI bus> on pcib2
cbb0: <TI6420 PCI-CardBus Bridge> at device 4.0 on pci3
cardbus0: <CardBus bus> on cbb0
pccard0: <16-bit PCCard bus> on cbb0
cbb0: [FILTER]
cbb1: <TI6420 PCI-CardBus Bridge> at device 4.1 on pci3
cardbus1: <CardBus bus> on cbb1
pccard1: <16-bit PCCard bus> on cbb1
cbb1: [FILTER]
fwohci0: <1394 Open Host Controller Interface> mem
0xd2015000-0xd20157ff,0xd2010000-0xd2013fff irq 23 at device 4.2 on pci3
fwohci0: [ITHREAD]
fwohci0: OHCI version 1.10 (ROM=0)
fwohci0: No. of Isochronous channels is 4.
fwohci0: EUI64 12:34:56:78:12:34:56:78
fwohci0: Phy 1394a available S400, 2 ports.
fwohci0: Link S400, max_rec 2048 bytes.
firewire0: <IEEE1394(FireWire) bus> on fwohci0
dcons_crom0: <dcons configuration ROM> on firewire0
dcons_crom0: bus_addr 0x1494000
fwe0: <Ethernet over FireWire> on firewire0
if_fwe0: Fake Ethernet address: 12:34:56:34:56:78
fwe0: Ethernet address: 12:34:56:34:56:78
fwip0: <IP over FireWire> on firewire0
fwip0: Firewire address: 12:34:56:78:12:34:56:78 _at_ 0xfffe00000000, S400,
maxrec 2048
sbp0: <SBP-2/SCSI over FireWire> on firewire0
fwohci0: Initiate bus reset
fwohci0: fwohci_intr_core: BUS reset
fwohci0: fwohci_intr_core: node_id=0x00000000, SelfID Count=1,
CYCLEMASTER mode
pci3: <mass storage> at device 4.3 (no driver attached)
rl0: <RealTek 8139 10/100BaseTX> port 0x3000-0x30ff mem
0xd2015800-0xd20158ff irq 19 at device 5.0 on pci3
miibus0: <MII bus> on rl0
rlphy0: <RealTek internal media interface> PHY 0 on miibus0
rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
rl0: Ethernet address: 00:0a:e4:55:3b:8f
rl0: [ITHREAD]
ath0: <Atheros 5212> mem 0xd2000000-0xd200ffff irq 18 at device 6.0 on
pci3
ath0: [ITHREAD]
ath0: AR5212 mac 5.9 RF5112 phy 4.3
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH5 UDMA100 controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x2060-0x206f at device 31.1 on pci0
ata0: <ATA channel 0> on atapci0
ata0: [ITHREAD]
ata1: <ATA channel 1> on atapci0
ata1: [ITHREAD]
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
pci0: <multimedia, audio> at device 31.5 (no driver attached)
pci0: <simple comms, generic modem> at device 31.6 (no driver attached)
acpi_tz0: <Thermal Zone> on acpi0
acpi_button1: <Power Button> on acpi0
atrtc0: <AT realtime clock> port 0x70-0x71 irq 8 on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
atkbd0: [ITHREAD]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: [ITHREAD]
psm0: model Generic PS/2 mouse, device ID 0
uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
uart0: [FILTER]
battery0: <ACPI Control Method Battery> on acpi0
acpi_acad0: <AC Adapter> on acpi0
cpu0: <ACPI CPU> on acpi0
acpi_perf0: <ACPI CPU Frequency Control> on cpu0
p4tcc0: <CPU Frequency Thermal Control> on cpu0
cpu1: <ACPI CPU> on acpi0
p4tcc1: <CPU Frequency Thermal Control> on cpu1
pmtimer0 on isa0
orm0: <ISA Option ROMs> at iomem 0xd0000-0xd0fff,0xdc000-0xdffff pnpid
ORM0000 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
ppc0: parallel port not found.
uart1: <16550 or compatible> at port 0x2f8-0x2ff irq 3 on isa0
uart1: [FILTER]
Timecounters tick every 1.000 msec
firewire0: 1 nodes, maxhop <= 0 cable IRM irm(0)  (me) 
firewire0: bus manager 0 
usbus0: 12Mbps Full Speed USB v1.0
usbus1: 12Mbps Full Speed USB v1.0
usbus2: 12Mbps Full Speed USB v1.0
usbus3: 12Mbps Full Speed USB v1.0
usbus4: 480Mbps High Speed USB v2.0
ad0: 76319MB <IC25N080ATMR04 0 MO4OAD4A> at ata0-master UDMA100
ugen0.1: <Intel> at usbus0
uhub0: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
ugen1.1: <Intel> at usbus1
uhub1: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus1
ugen2.1: <Intel> at usbus2
uhub2: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus2
ugen3.1: <Intel> at usbus3
uhub3: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus3
ugen4.1: <Intel> at usbus4
uhub4: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus4
acd0: DVDR <HL-DT-ST DVD-RW GWA-4040N/1.01> at ata1-master UDMA33
uhub0: 2 ports with 2 removable, self powered
uhub1: 2 ports with 2 removable, self powered
uhub2: 2 ports with 2 removable, self powered
uhub3: 2 ports with 2 removable, self powered
GEOM: ad0s2: geometry does not match label (255h,63s != 16h,63s).
GEOM: ad0s3: geometry does not match label (255h,63s != 16h,63s).
GEOM_LABEL: Label for provider ad0s2a is ufsid/46880ae48b7b4970.
GEOM_LABEL: Label for provider ad0s2d is ufsid/46880ae5ec9b08d8.
GEOM_LABEL: Label for provider ad0s2e is ufsid/46880ae4445f58df.
GEOM_LABEL: Label for provider ad0s2f is ufsid/46880ae4d9762575.
GEOM_LABEL: Label for provider ad0s3a is ufsid/48103c56d3be486d.
GEOM_LABEL: Label for provider ad0s3d is ufsid/48103c58caf1aa62.
GEOM_LABEL: Label for provider ad0s3e is ufsid/48103c56f2e0461f.
GEOM_LABEL: Label for provider ad0s3f is ufsid/48103c5640d0eba0.
uhub4: 8 ports with 8 removable, self powered
SMP: AP CPU #1 Launched!
WARNING: WITNESS option enabled, expect reduced performance.
Trying to mount root from nfs:
NFS ROOT: 10.11.11.1:/usr/tftpboot
ugen1.2: <Prolific Technology Inc.> at usbus1
uplcom0: <Prolific Technology Inc. USB-Serial Controller, class 0/0, rev
1.10/3.00, addr 2> on usbus1
GEOM_LABEL: Label for provider md0 is ufsid/4a1b0abb3ab79c50.
GEOM_LABEL: Label ufsid/4a1b0abb3ab79c50 removed.
GEOM_LABEL: Label for provider md1 is ufsid/4a1b0abe0c17b575.
GEOM_LABEL: Label ufsid/4a1b0abe0c17b575 removed.
ugen1.2: <Prolific Technology Inc.> at usbus1 (disconnected)
uplcom0: at uhub1, port 2, addr 2 (disconnected)



-- 
http://martenvijn.nl                 Marten Vijn 
http://martenvijn.nl/trac/wiki/soas  Sugar on a Stick
http://bsd.wifisoft.org/nek/         The Network Event Kit
http://har2009.org                   13th-16th August 
http://opencommunitycamp.org         26th Jul - 2nd August