umount of ext2fs partition crashes 4.6 i386

[Lars Nooden-2]

Hardware is soekris 5501 with traverse modem

# umount /mnt/
vrele: bad ref count: 0xd58af3a4, type VBLK, use 0, write 0, hold 44,
flags (VBIOONFREELIST)
        tag VT_UFS, ino 1905, on dev 0, 0 flags 0x0, effnlink 1, nlink 1
        mode 060640, owner 0, group 5, size 0 not locked
panic: vrele: ref cnt
Stopped at      Debugger+0x4:   leave
RUN AT LEAST 'trace' AND 'ps' AND INCLUDE OUTPUT WHEN REPORTING THIS PANIC!
DO NOT EVEN BOTHER REPORTING THIS WITHOUT INCLUDING THAT INFORMATION!
ddb> ps
   PID   PPID   PGRP    UID  S       FLAGS  WAIT          COMMAND
* 6709  13224   6709      0  7      0x4002                umount
 13224      1  13224      0  3      0x4082  pause         ksh
 19149      1  19149      0  3        0x80  select        cron
  2119      1  28738    631  3       0x180  select        dnsmasq
 13764  12502  13764    515  3      0x4080  piperd        unlinkd
 12502   7348   7348    515  3      0x4180  poll          squid
  7348      1   7348      0  3        0x80  poll          squid
 26784      1  26784      0  3        0x80  select        sshd
 13200      1  13200      0  3     0x40180  select        sendmail
 22703      1  22703      0  3       0x180  select        inetd
 24750      1  24750     77  3       0x180  poll          dhcpd
  5684  13009   8655     83  3       0x180  poll          ntpd
 13009   8655   8655     83  3       0x180  poll          ntpd
  8655      1   8655      0  3        0x80  poll          ntpd
 11664   7873   7873     74  3       0x180  bpf           pflogd
  7873      1   7873      0  3        0x80  netio         pflogd
  4123   8749   8749     73  2       0x180                syslogd
  8749      1   8749      0  3        0x88  netio         syslogd
 13594      1  13594     77  3       0x180  poll          dhclient
 23892      1  18214      0  3        0x82  poll          dhclient
    14      0      0      0  3    0x100200  bored         crypto
 13009   8655   8655     83  3       0x180  poll          ntpd
  8655      1   8655      0  3        0x80  poll          ntpd
 11664   7873   7873     74  3       0x180  bpf           pflogd
  7873      1   7873      0  3        0x80  netio         pflogd
  4123   8749   8749     73  2       0x180                syslogd
  8749      1   8749      0  3        0x88  netio         syslogd
 13594      1  13594     77  3       0x180  poll          dhclient
 23892      1  18214      0  3        0x82  poll          dhclient
    14      0      0      0  3    0x100200  bored         crypto
    13      0      0      0  3    0x100200  aiodoned      aiodoned
    12      0      0      0  3    0x100200  syncer        update
    11      0      0      0  3    0x100200  cleaner       cleaner
    10      0      0      0  3    0x100200  reaper        reaper
     9      0      0      0  3    0x100200  pgdaemon      pagedaemon
     8      0      0      0  3    0x100200  pftm          pfpurge
     7      0      0      0  3    0x100200  usbevt        usb1
     6      0      0      0  3    0x100200  usbtsk        usbtask
     5      0      0      0  3    0x100200  usbevt        usb0
     4      0      0      0  3    0x100200  bored         syswq
     3      0      0      0  3  0x40100200                idle0
     2      0      0      0  3    0x100200  kmalloc       kmthread
     1      0      1      0  3      0x4080  wait          init
     0     -1      0      0  3     0x80200  scheduler     swapper

ddb>  trace
Debugger(0,d07192a1,3,d58af3a4,d5a4bda0) at Debugger+0x4
panic(d0718a1f,d58af3a4,0,d599aa84,d56e40c0) at panic+0x55
vrele(d58af3a4,6,0,d0384214) at vrele+0xa2
ext2fs_reclaim(d96cdd18,11,0,d599aa84,d08227a4) at ext2fs_reclaim+0x89
VOP_RECLAIM(d599aa84,d5a4bda0,d5a4bda0,0) at VOP_RECLAIM+0x28
vclean(d599aa84,8,d5a4bda0,0,4af6c2cf) at vclean+0x76
vgonel(d599aa84,d5a4bda0,0,1,0) at vgonel+0x3e
vflush_vnode(d599aa84,d96cddf8,0,d1381800) at vflush_vnode+0x92
vfs_mount_foreach_vnode(d14cf400,d0382d94,d96cddf8,d038a1ea) at
vfs_mount_forea
ch_vnode+0x2b
vflush(d14cf400,0,0,d045a511) at vflush+0x2a
ext2fs_flushfiles(d14cf400,0,d5a4bda0,d14cf400) at ext2fs_flushfiles+0x20
ext2fs_unmount(d14cf400,0,d5a4bda0,0,50) at ext2fs_unmount+0x23
dounmount(d14cf400,0,d5a4bda0,d5ae0794,cfbce110) at dounmount+0x64
sys_unmount(d5a4bda0,d96cdf68,d96cdf58,1,30) at sys_unmount+0xa9
syscall() at syscall+0x24e
--- syscall (number 22) ---
0x1c000e51:

# dmesg -M /var/crash/bsd.0.core
dmesg: kvm_read:  (d0a54000)

# dmesg -N /var/crash/bsd.0
123   8749   8749     73  2       0x180                syslogd
  8749      1   8749      0  3        0x88  netio         syslogd
 13594      1  13594     77  3       0x180  poll          dhclient
 23892      1  18214      0  3        0x82  poll          dhclient
    14      0      0      0  3    0x100200  bored         crypto
    13      0      0      0  3    0x100200  aiodoned      aiodoned
    12      0      0      0  3    0x100200  syncer        update
    11      0      0      0  3    0x100200  cleaner       cleaner
    10      0      0      0  3    0x100200  reaper        reaper
     9      0      0      0  3    0x100200  pgdaemon      pagedaemon
     8      0      0      0  3    0x100200  pftm          pfpurge
     7      0      0      0  3    0x100200  usbevt        usb1
     6      0      0      0  3    0x100200  usbtsk        usbtask
     5      0      0      0  3    0x100200  usbevt        usb0
     4      0      0      0  3    0x100200  bored         syswq
     3      0      0      0  3  0x40100200                idle0
     2      0      0      0  3    0x100200  kmalloc       kmthread
     1      0      1      0  3      0x4080  wait          init
     0     -1      0      0  3     0x80200  scheduler     swapper
ddb>    PID   PPID   PGRP    UID  S       FLAGS  WAIT          COMMAND

* 6709  13224   6709      0  7      0x4002                umount
 13224      1  13224      0  3      0x4082  pause         ksh
 19149      1  19149      0  3        0x80  select        cron
  2119      1  28738    631  3       0x180  select        dnsmasq
 13764  12502  13764    515  3      0x4080  piperd        unlinkd
 12502   7348   7348    515  3      0x4180  poll          squid
  7348      1   7348      0  3        0x80  poll          squid
 26784      1  26784      0  3        0x80  select        sshd
 13200      1  13200      0  3     0x40180  select        sendmail
 22703      1  22703      0  3       0x180  select        inetd
 24750      1  24750     77  3       0x180  poll          dhcpd
  5684  13009   8655     83  3       0x180  poll          ntpd
 13009   8655   8655     83  3       0x180  poll          ntpd
  8655      1   8655      0  3        0x80  poll          ntpd
 11664   7873   7873     74  3       0x180  bpf           pflogd
  7873      1   7873      0  3        0x80  netio         pflogd
  4123   8749   8749     73  2       0x180                syslogd
  8749      1   8749      0  3        0x88  netio         syslogd
 13594      1  13594     77  3       0x180  poll          dhclient
 23892      1  18214      0  3        0x82  poll          dhclient
    14      0      0      0  3    0x100200  bored         crypto
    13      0      0      0  3    0x100200  aiodoned      aiodoned
    12      0      0      0  3    0x100200  syncer        update
    11      0      0      0  3    0x100200  cleaner       cleaner
    10      0      0      0  3    0x100200  reaper        reaper
     9      0      0      0  3    0x100200  pgdaemon      pagedaemon
     8      0      0      0  3    0x100200  pftm          pfpurge
     7      0      0      0  3    0x100200  usbevt        usb1
     6      0      0      0  3    0x100200  usbtsk        usbtask
     5      0      0      0  3    0x100200  usbevt        usb0
     4      0      0      0  3    0x100200  bored         syswq
     3      0      0      0  3  0x40100200                idle0
     2      0      0      0  3    0x100200  kmalloc       kmthread
     1      0      1      0  3      0x4080  wait          init
     0     -1      0      0  3     0x80200  scheduler     swapper
ddb> Debugger(0,d07192a1,3,d58af3a4,d5a4bda0) at Debugger+0x4
panic(d0718a1f,d58af3a4,0,d599aa84,d56e40c0) at panic+0x55
vrele(d58af3a4,6,0,d0384214) at vrele+0xa2
ext2fs_reclaim(d96cdd18,11,0,d599aa84,d08227a4) at ext2fs_reclaim+0x89
VOP_RECLAIM(d599aa84,d5a4bda0,d5a4bda0,0) at VOP_RECLAIM+0x28
vclean(d599aa84,8,d5a4bda0,0,4af6c2cf) at vclean+0x76
vgonel(d599aa84,d5a4bda0,0,1,0) at vgonel+0x3e
vflush_vnode(d599aa84,d96cddf8,0,d1381800) at vflush_vnode+0x92
vfs_mount_foreach_vnode(d14cf400,d0382d94,d96cddf8,d038a1ea) at
vfs_mount_foreach_vnode+0x2b
vflush(d14cf400,0,0,d045a511) at vflush+0x2a
ext2fs_flushfiles(d14cf400,0,d5a4bda0,d14cf400) at ext2fs_flushfiles+0x20
ext2fs_unmount(d14cf400,0,d5a4bda0,0,50) at ext2fs_unmount+0x23
dounmount(d14cf400,0,d5a4bda0,d5ae0794,cfbce110) at dounmount+0x64
sys_unmount(d5a4bda0,d96cdf68,d96cdf58,1,30) at sys_unmount+0xa9
syscall() at syscall+0x24e
--- syscall (number 22) ---
0x1c000e51:
ddb> Bad character
?
ddb> Bad character
?
ddb> machine     print       examine     x           search      set

write       w           delete      d           break       dwatch
watch       step        s           continue    c           until
next        match       trace       call        ps          callout
show        boot        help        hangman     dmesg
ddb>
OpenBSD 4.6 (GENERIC) #58: Thu Jul  9 21:24:42 MDT 2009
    deraadt@...:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: Geode(TM) Integrated Processor by AMD PCS ("AuthenticAMD"
586-class) 500 MHz
cpu0: FPU,DE,PSE,TSC,MSR,CX8,SEP,PGE,CMOV,CFLUSH,MMX
real mem  = 536440832 (511MB)
avail mem = 509902848 (486MB)
mainbus0 at root
bios0 at mainbus0: AT/286+ BIOS, date 20/70/03, BIOS32 rev. 0 @ 0xfac40
pcibios0 at bios0: rev 2.0 @ 0xf0000/0x10000
pcibios0: pcibios_get_intr_routing - function not supported
pcibios0: PCI IRQ Routing information unavailable.
pcibios0: PCI bus #0 is the last bus
bios0: ROM list: 0xc8000/0xa800
cpu0 at mainbus0: (uniprocessor)
amdmsr0 at mainbus0
pci0 at mainbus0 bus 0: configuration mode 1 (bios)
io address conflict 0x6100/0x100
io address conflict 0x6200/0x200
pchb0 at pci0 dev 1 function 0 "AMD Geode LX" rev 0x33
glxsb0 at pci0 dev 1 function 2 "AMD Geode LX Crypto" rev 0x00: RNG AES
vr0 at pci0 dev 6 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 11,
address 00:00:24:cb:a9:24
ukphy0 at vr0 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI
0x004063, model 0x0034
vr1 at pci0 dev 7 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 5,
address 00:00:24:cb:a9:25
ukphy1 at vr1 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI
0x004063, model 0x0034
vr2 at pci0 dev 8 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 9,
address 00:00:24:cb:a9:26
ukphy2 at vr2 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI
0x004063, model 0x0034
vr3 at pci0 dev 9 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 12,
address 00:00:24:cb:a9:27
ukphy3 at vr3 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI
0x004063, model 0x0034
re0 at pci0 dev 14 function 0 "Realtek 8139" rev 0x20: RTL8139C+
(0x7480), irq 10, address 00:0a:fa:20:03:79
rlphy0 at re0 phy 0: RTL internal PHY
glxpcib0 at pci0 dev 20 function 0 "AMD CS5536 ISA" rev 0x03: rev 0,
32-bit 3579545Hz timer, watchdog, gpio
gpio0 at glxpcib0: 32 pins
pciide0 at pci0 dev 20 function 2 "AMD CS5536 IDE" rev 0x01: DMA,
channel 0 wired to compatibility, channel 1 wired to compatibility
wd0 at pciide0 channel 0 drive 0: <SanDisk SDCFX3-004G>
wd0: 4-sector PIO, LBA, 3919MB, 8027712 sectors
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2
pciide0: channel 1 ignored (disabled)
ohci0 at pci0 dev 21 function 0 "AMD CS5536 USB" rev 0x02: irq 15,
version 1.0, legacy support
ehci0 at pci0 dev 21 function 1 "AMD CS5536 USB" rev 0x02: irq 15
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 "AMD EHCI root hub" rev 2.00/1.00 addr 1
isa0 at glxpcib0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
com0: console
com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard
pcppi0 at isa0 port 0x61
midi0 at pcppi0: <PC speaker>
spkr0 at pcppi0
nsclpcsio0 at isa0 port 0x2e/2: NSC PC87366 rev 9: GPIO VLM TMS
gpio1 at nsclpcsio0: 29 pins
npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
usb1 at ohci0: USB revision 1.0
uhub1 at usb1 "AMD OHCI root hub" rev 1.00/1.00 addr 1
biomask e1c5 netmask ffe5 ttymask ffff
mtrr: K6-family MTRR support (2 registers)
umass0 at uhub0 port 1 configuration 1 interface 0 "BUFFALO INC. BUFFALO
INC. USB-SATA Bridge" rev 2.00/f3.20 addr 2
umass0: using SCSI over Bulk-Only
scsibus0 at umass0: 2 targets, initiator 0
sd0 at scsibus0 targ 1 lun 0: <WDC WD25, 00BEVS-22UST0, > SCSI2 0/direct
fixed
sd0: 238475MB, 512 bytes/sec, 488397168 sec total
softraid0 at root
root on wd0a swap on wd0b dump on wd0b
WARNING: / was not properly unmounted
syncing disks... done
OpenBSD 4.6 (GENERIC) #58: Thu Jul  9 21:24:42 MDT 2009
    deraadt@...:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: Geode(TM) Integrated Processor by AMD PCS ("AuthenticAMD"
586-class) 500 MHz
cpu0: FPU,DE,PSE,TSC,MSR,CX8,SEP,PGE,CMOV,CFLUSH,MMX
real mem  = 536440832 (511MB)
avail mem = 509902848 (486MB)
mainbus0 at root
bios0 at mainbus0: AT/286+ BIOS, date 20/70/03, BIOS32 rev. 0 @ 0xfac40
pcibios0 at bios0: rev 2.0 @ 0xf0000/0x10000
pcibios0: pcibios_get_intr_routing - function not supported
pcibios0: PCI IRQ Routing information unavailable.
pcibios0: PCI bus #0 is the last bus
bios0: ROM list: 0xc8000/0xa800
cpu0 at mainbus0: (uniprocessor)
amdmsr0 at mainbus0
pci0 at mainbus0 bus 0: configuration mode 1 (bios)
io address conflict 0x6100/0x100
io address conflict 0x6200/0x200
pchb0 at pci0 dev 1 function 0 "AMD Geode LX" rev 0x33
glxsb0 at pci0 dev 1 function 2 "AMD Geode LX Crypto" rev 0x00: RNG AES
vr0 at pci0 dev 6 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 11,
address 00:00:24:cb:a9:24
ukphy0 at vr0 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI
0x004063, model 0x0034
vr1 at pci0 dev 7 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 5,
address 00:00:24:cb:a9:25
ukphy1 at vr1 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI
0x004063, model 0x0034
vr2 at pci0 dev 8 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 9,
address 00:00:24:cb:a9:26
ukphy2 at vr2 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI
0x004063, model 0x0034
vr3 at pci0 dev 9 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 12,
address 00:00:24:cb:a9:27
ukphy3 at vr3 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI
0x004063, model 0x0034
re0 at pci0 dev 14 function 0 "Realtek 8139" rev 0x20: RTL8139C+
(0x7480), irq 10, address 00:0a:fa:20:03:79
rlphy0 at re0 phy 0: RTL internal PHY
glxpcib0 at pci0 dev 20 function 0 "AMD CS5536 ISA" rev 0x03: rev 0,
32-bit 3579545Hz timer, watchdog, gpio
gpio0 at glxpcib0: 32 pins
pciide0 at pci0 dev 20 function 2 "AMD CS5536 IDE" rev 0x01: DMA,
channel 0 wired to compatibility, channel 1 wired to compatibility
wd0 at pciide0 channel 0 drive 0: <SanDisk SDCFX3-004G>
wd0: 4-sector PIO, LBA, 3919MB, 8027712 sectors
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2
pciide0: channel 1 ignored (disabled)
ohci0 at pci0 dev 21 function 0 "AMD CS5536 USB" rev 0x02: irq 15,
version 1.0, legacy support
ehci0 at pci0 dev 21 function 1 "AMD CS5536 USB" rev 0x02: irq 15
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 "AMD EHCI root hub" rev 2.00/1.00 addr 1
isa0 at glxpcib0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
com0: console
com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard
pcppi0 at isa0 port 0x61
midi0 at pcppi0: <PC speaker>
spkr0 at pcppi0
nsclpcsio0 at isa0 port 0x2e/2: NSC PC87366 rev 9: GPIO VLM TMS
gpio1 at nsclpcsio0: 29 pins
npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
usb1 at ohci0: USB revision 1.0
uhub1 at usb1 "AMD OHCI root hub" rev 1.00/1.00 addr 1
biomask e1c5 netmask ffe5 ttymask ffff
mtrr: K6-family MTRR support (2 registers)
umass0 at uhub0 port 1 configuration 1 interface 0 "BUFFALO INC. BUFFALO
INC. USB-SATA Bridge" rev 2.00/f3.20 addr 2
umass0: using SCSI over Bulk-Only
scsibus0 at umass0: 2 targets, initiator 0
sd0 at scsibus0 targ 1 lun 0: <WDC WD25, 00BEVS-22UST0, > SCSI2 0/direct
fixed
sd0: 238475MB, 512 bytes/sec, 488397168 sec total
softraid0 at root
root on wd0a swap on wd0b dump on wd0b
syncing disks... done
OpenBSD 4.6 (GENERIC) #58: Thu Jul  9 21:24:42 MDT 2009
    deraadt@...:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: Geode(TM) Integrated Processor by AMD PCS ("AuthenticAMD"
586-class) 500 MHz
cpu0: FPU,DE,PSE,TSC,MSR,CX8,SEP,PGE,CMOV,CFLUSH,MMX
real mem  = 536440832 (511MB)
avail mem = 509902848 (486MB)
mainbus0 at root
bios0 at mainbus0: AT/286+ BIOS, date 20/70/03, BIOS32 rev. 0 @ 0xfac40
pcibios0 at bios0: rev 2.0 @ 0xf0000/0x10000
pcibios0: pcibios_get_intr_routing - function not supported
pcibios0: PCI IRQ Routing information unavailable.
pcibios0: PCI bus #0 is the last bus
bios0: ROM list: 0xc8000/0xa800
cpu0 at mainbus0: (uniprocessor)
amdmsr0 at mainbus0
pci0 at mainbus0 bus 0: configuration mode 1 (bios)
io address conflict 0x6100/0x100
io address conflict 0x6200/0x200
pchb0 at pci0 dev 1 function 0 "AMD Geode LX" rev 0x33
glxsb0 at pci0 dev 1 function 2 "AMD Geode LX Crypto" rev 0x00: RNG AES
vr0 at pci0 dev 6 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 11,
address 00:00:24:cb:a9:24
ukphy0 at vr0 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI
0x004063, model 0x0034
vr1 at pci0 dev 7 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 5,
address 00:00:24:cb:a9:25
ukphy1 at vr1 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI
0x004063, model 0x0034
vr2 at pci0 dev 8 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 9,
address 00:00:24:cb:a9:26
ukphy2 at vr2 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI
0x004063, model 0x0034
vr3 at pci0 dev 9 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 12,
address 00:00:24:cb:a9:27
ukphy3 at vr3 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI
0x004063, model 0x0034
re0 at pci0 dev 14 function 0 "Realtek 8139" rev 0x20: RTL8139C+
(0x7480), irq 10, address 00:0a:fa:20:03:79
rlphy0 at re0 phy 0: RTL internal PHY
glxpcib0 at pci0 dev 20 function 0 "AMD CS5536 ISA" rev 0x03: rev 0,
32-bit 3579545Hz timer, watchdog, gpio
gpio0 at glxpcib0: 32 pins
pciide0 at pci0 dev 20 function 2 "AMD CS5536 IDE" rev 0x01: DMA,
channel 0 wired to compatibility, channel 1 wired to compatibility
wd0 at pciide0 channel 0 drive 0: <SanDisk SDCFX3-004G>
wd0: 4-sector PIO, LBA, 3919MB, 8027712 sectors
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2
pciide0: channel 1 ignored (disabled)
ohci0 at pci0 dev 21 function 0 "AMD CS5536 USB" rev 0x02: irq 15,
version 1.0, legacy support
ehci0 at pci0 dev 21 function 1 "AMD CS5536 USB" rev 0x02: irq 15
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 "AMD EHCI root hub" rev 2.00/1.00 addr 1
isa0 at glxpcib0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
com0: console
com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard
pcppi0 at isa0 port 0x61
midi0 at pcppi0: <PC speaker>
spkr0 at pcppi0
nsclpcsio0 at isa0 port 0x2e/2: NSC PC87366 rev 9: GPIO VLM TMS
gpio1 at nsclpcsio0: 29 pins
npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
usb1 at ohci0: USB revision 1.0
uhub1 at usb1 "AMD OHCI root hub" rev 1.00/1.00 addr 1
biomask e1c5 netmask ffe5 ttymask ffff
mtrr: K6-family MTRR support (2 registers)
umass0 at uhub0 port 1 configuration 1 interface 0 "BUFFALO INC. BUFFALO
INC. USB-SATA Bridge" rev 2.00/f3.20 addr 2
umass0: using SCSI over Bulk-Only
scsibus0 at umass0: 2 targets, initiator 0
sd0 at scsibus0 targ 1 lun 0: <WDC WD25, 00BEVS-22UST0, > SCSI2 0/direct
fixed
sd0: 238475MB, 512 bytes/sec, 488397168 sec total
softraid0 at root
root on wd0a swap on wd0b dump on wd0b