kernel panic - free: duplicated free

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kernel panic - free: duplicated free

Adam-29
My laptop (thinkpad a31p running a 3.9 -current snapshot from july 12)
gets the following panic.  It seems to happen a few minutes after waking
it up from sleep mode, but it doesn't always do it.

ddb>
ddb> show panic
free: duplicated free
ddb> ps
   PID   PPID   PGRP    UID  S       FLAGS  WAIT       COMMAND
 14268      1   2945   1000  3      0x4086  poll       sylpheed-claws
 18879      1  18879     77  3       0x184  poll       dhclient
  1201      1  31802      0  3        0x86  poll       dhclient
 13038   4689   2945   1000  3      0x4086  select     operapluginwrapp
  1638   4689   2945   1000  3      0x4086  poll       operapluginclean
 16238   4689   2945   1000  3        0x86  poll       opera
  4689      1   2945   1000  3      0x4087  select     opera
   620      1    620      0  3     0x40184  select     sendmail
*26576      1   2945   1000  7      0x4006             gaim
 15632      1   2945   1000  3      0x4086  poll       xfcalendar
  6887      1   2945   1000  3      0x4086  poll       xfce4-panel
  9705      1   2945   1000  3      0x4086  poll       xfdesktop
 19390      1   2945   1000  3      0x4086  poll       xftaskbar4
  6232      1   2945   1000  3      0x4086  poll       xfwm4
  6048      1   6048   1000  3        0x84  poll       xfce-mcs-manager
  2932  32168   2945   1000  3      0x4086  poll       xfce4-session
 27528      1  27528   1000  3     0x40184  select     ssh-agent
 32168   2945   2945   1000  3      0x4086  pause      sh
  2945  16851   2945   1000  3      0x4086  pause      sh
 11201    986    986   1000  3     0x40184  netio      Xorg
   986  16851    986   1000  3     0x44184  select     Xorg
 16851  20874  20874   1000  3      0x4086  wait       xinit
 20874  10256  20874   1000  3      0x4086  pause      sh
 22044      1  22044      0  3      0x4086  ttyin      getty
  8459      1   8459      0  3      0x4086  ttyin      getty
 21306      1  21306      0  3      0x4086  ttyin      getty
 25465      1  25465      0  3      0x4086  ttyin      getty
 10256      1  10256   1000  3      0x4086  pause      ksh
 20719      1  20719      0  3        0x84  select     cron
 18024      1  18024      0  3        0x84  htplev     hotplugd
  6644      1   6644      0  3        0x84  kqread     apmd
 14522      1  14522      0  3        0x84  select     sshd
 28929      1  28929      0  3       0x184  select     inetd
 20125      1  20125      0  3        0x84  poll       ntpd
 16661      1  16661     83  3       0x184  poll       ntpd
 32631  23900  23900     73  2       0x184             syslogd
 23900      1  23900      0  3        0x8c  netio      syslogd
    17      0      0      0  3    0x100204  crypto_wa  crypto
    16      0      0      0  3    0x100204  aiodoned   aiodoned
    15      0      0      0  3    0x100204  syncer     update
    14      0      0      0  3    0x100204  cleaner    cleaner
    13      0      0      0  3    0x100204  reaper     reaper
    12      0      0      0  3    0x100204  pgdaemon   pagedaemon
    11      0      0      0  3    0x100204  pftm       pfpurge
    10      0      0      0  3    0x100204  wait       wskbd_hotkey
     9      0      0      0  3    0x100204  cardslote  cardslot1
     8      0      0      0  3    0x100204  cardslote  cardslot0
     7      0      0      0  3    0x100204  usbevt     usb2
     6      0      0      0  3    0x100204  usbevt     usb1
     5      0      0      0  3    0x100204  usbtsk     usbtask
     4      0      0      0  3    0x100204  usbevt     usb0
     3      0      0      0  3    0x100204  apmev      apm0
     2      0      0      0  3    0x100204  kmalloc    kmthread
     1      0      1      0  3      0x4084  wait       init
     0     -1      0      0  3     0x80204  scheduler  swapper
ddb> trace
Debugger(d06f9244,601f0c40,e3743af0,d0f96b00,9) at Debugger+0x4
panic(d0642b91,d0f96b00,2,324c1eac,601f0c40) at panic+0x63
free(d0f96b00,9,0,40) at free+0x40
ifafree(d0f96b00,d5f84134,e3743c60,d0398414) at ifafree+0x27
rtfree(d60e3f30,0,d60e4bd0,d5f84134) at rtfree+0x8d
ip_output(d5f84100,0,d60e4c18,800,0) at ip_output+0xf56
tcp_output(d5f734b4,d0c8bd70,e3743e20,d0456cb5) at tcp_output+0xc29
tcp_disconnect(d5f734b4,67d0,0,d603bc0c,e3743f18) at tcp_disconnect+0x50
tcp_usrreq(d5f79d98,6,0,0,0) at tcp_usrreq+0x37f
sodisconnect(d5f79d98,d6140c00,0,0) at sodisconnect+0x40
soclose(d5f79d98,1,0,3) at soclose+0x128
soo_close(e371ec0c,d5fcf5b0,ffffffff,ffffffff,ffffffff) at soo_close+0x29
closef(e371ec0c,d5fcf5b0,d5f2fed8,d5f2fee8,d07e3734) at closef+0xf9
sys_close(d5fcf5b0,e3743f68,e3743f58,cf7c8628,23fdc) at sys_close+0x3e
syscall() at syscall+0x2ea
--- syscall (number 6) ---
0x96d1731:
ddb>

OpenBSD 3.9-current (GENERIC) #953: Wed Jul 12 02:08:38 MDT 2006
    [hidden email]:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: Mobile Intel(R) Pentium(R) 4 - M CPU 2.00GHz ("GenuineIntel" 686-class) 2 GHz
cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,CNXT-ID
real mem  = 267415552 (261148K)
avail mem = 237338624 (231776K)
using 3289 buffers containing 13471744 bytes (13156K) of memory
mainbus0 (root)
bios0 at mainbus0: AT/286+(39) BIOS, date 05/15/03, BIOS32 rev. 0 @ 0xfd7e0, SMBIOS rev. 2.31 @ 0xe0010 (49 entries)
bios0: IBM 2653XXV
apm0 at bios0: Power Management spec V1.2
apm0: battery life expectancy 97%
apm0: AC on, battery charge high
apm0: flags 30102 dobusy 0 doidle 1
pcibios0 at bios0: rev 2.1 @ 0xfd770/0x890
pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xfdeb0/256 (14 entries)
pcibios0: PCI Interrupt Router at 000:31:0 ("Intel 82371FB ISA" rev 0x00)
pcibios0: PCI bus #4 is the last bus
bios0: ROM list: 0xc0000/0x10000 0xd0000/0x1000 0xd1000/0x1000 0xdc000/0x4000! 0xe0000/0x10000
cpu0 at mainbus0
pci0 at mainbus0 bus 0: configuration mode 1 (no bios)
pchb0 at pci0 dev 0 function 0 "Intel 82845 Host" rev 0x04
ppb0 at pci0 dev 1 function 0 "Intel 82845 AGP" rev 0x04
pci1 at ppb0 bus 1
vga1 at pci1 dev 0 function 0 vendor "ATI", unknown product 0x4c58 rev 0x00
wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
uhci0 at pci0 dev 29 function 0 "Intel 82801CA/CAM USB" rev 0x02: irq 11
usb0 at uhci0: USB revision 1.0
uhub0 at usb0
uhub0: Intel UHCI root hub, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhci1 at pci0 dev 29 function 1 "Intel 82801CA/CAM USB" rev 0x02: irq 11
usb1 at uhci1: USB revision 1.0
uhub1 at usb1
uhub1: Intel UHCI root hub, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
uhci2 at pci0 dev 29 function 2 "Intel 82801CA/CAM USB" rev 0x02: irq 11
usb2 at uhci2: USB revision 1.0
uhub2 at usb2
uhub2: Intel UHCI root hub, rev 1.00/1.00, addr 1
uhub2: 2 ports with 2 removable, self powered
ppb1 at pci0 dev 30 function 0 "Intel 82801BAM Hub-to-PCI" rev 0x42
pci2 at ppb1 bus 2
cbb0 at pci2 dev 0 function 0 "Ricoh 5C476 CardBus" rev 0xa8: irq 11
cbb1 at pci2 dev 0 function 1 "Ricoh 5C476 CardBus" rev 0xa8: irq 5
"Ricoh 5C552 Firewire" rev 0x00 at pci2 dev 0 function 2 not configured
fxp0 at pci2 dev 8 function 0 "Intel PRO/100 VE" rev 0x42, i82562: irq 11, address 00:02:8a:36:31:2d
inphy0 at fxp0 phy 1: i82562ET 10/100 PHY, rev. 0
cardslot0 at cbb0 slot 0 flags 0
cardbus0 at cardslot0: bus 3 device 0 cacheline 0x0, lattimer 0xb0
pcmcia0 at cardslot0
cardslot1 at cbb1 slot 1 flags 0
cardbus1 at cardslot1: bus 4 device 0 cacheline 0x0, lattimer 0xb0
pcmcia1 at cardslot1
ichpcib0 at pci0 dev 31 function 0 "Intel 82801CAM LPC" rev 0x02: SpeedStep
pciide0 at pci0 dev 31 function 1 "Intel 82801CAM IDE" rev 0x02: DMA, channel 0 configured to compatibility, channel 1 configured to compatibility
wd0 at pciide0 channel 0 drive 0: <IC25N040ATCS05-0>
wd0: 16-sector PIO, LBA, 38154MB, 78140160 sectors
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 5
atapiscsi0 at pciide0 channel 1 drive 0
scsibus0 at atapiscsi0: 2 targets
cd0 at scsibus0 targ 0 lun 0: <HL-DT-ST, RW/DVD GCC-4240N, 0211> SCSI0 5/cdrom removable
cd0(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 2
ichiic0 at pci0 dev 31 function 3 "Intel 82801CA/CAM SMBus" rev 0x02: irq 5
iic0 at ichiic0
auich0 at pci0 dev 31 function 5 "Intel 82801CA/CAM AC97" rev 0x02: irq 5, ICH3 AC97
ac97: codec id 0x41445348 (Analog Devices AD1881A)
ac97: codec features headphone, Analog Devices Phat Stereo
audio0 at auich0
"Intel 82801CA/CAM Modem" rev 0x02 at pci0 dev 31 function 6 not configured
isa0 at ichpcib0
isadma0 at isa0
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pms0 at pckbc0 (aux slot)
pckbc0: using irq 12 for aux slot
wsmouse0 at pms0 mux 0
pcppi0 at isa0 port 0x61
midi0 at pcppi0: <PC speaker>
spkr0 at pcppi0
lpt2 at isa0 port 0x3bc/4: polled
npx0 at isa0 port 0xf0/16: using exception 16
pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
pccom0: console
biomask efed netmask efed ttymask ffef
pctr: user-level cycle counter enabled
dkcsum: wd0 matches BIOS drive 0x80
root on wd0a
rootdev=0x0 rrootdev=0x300 rawdev=0x302
WARNING: / was not properly unmounted
auich0: measured ac97 link rate at 48000 Hz
wi0 at pcmcia0 function 0 "Lucent Technologies, WaveLAN/IEEE, Version 01.01" port 0xa000/64
wi0: Firmware 8.72 variant 1, address 00:60:1d:1e:91:45
wi0 detached