panic: mutex Giant not owned at /usr/src/sys/kern/tty_ttydisc.c:1127

From: Lars Engels <lme_at_FreeBSD.org>
Date: Fri, 23 Jan 2009 16:43:36 +0100
On yesterday's CURRENT I got the following panic while booting:


lars_at_pts/3 # kgdb /usr/obj/usr/src/sys/USB2/kernel.debug /var/crash/vmcore.6
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-marcel-freebsd"...

Unread portion of the kernel message buffer:
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 #1: Fri Jan 23 01:30:01 CET 2009
    lars_at_maggie.bsd-geek.de:/usr/obj/usr/src/sys/USB2
WARNING: WITNESS option enabled, expect reduced performance.
module_register: module cpu/ichss already exists!
Module cpu/ichss failed to register: 17
module_register: module cpu/est already exists!
Module cpu/est failed to register: 17
module_register: module cpu/p4tcc already exists!
Module cpu/p4tcc failed to register: 17
module_register: module cpu/powernow already exists!
Module cpu/powernow failed to register: 17
module_register: module cpu/smist already exists!
Module cpu/smist failed to register: 17
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Genuine Intel(R) CPU           T2300  _at_ 1.66GHz (1662.52-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x6e8  Stepping = 8
  Features=0xbfe9fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
  Features2=0xc189<SSE3,MON,EST,TM2,xTPR,PDCM>
  AMD Features=0x100000<NX>
  TSC: P-state invariant
  Cores per package: 2
real memory  = 1063845888 (1014 MB)
avail memory = 1022652416 (975 MB)
ACPI APIC Table: <INTEL  CALISTGA>
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP): APIC ID:  1
ioapic0: Changing APIC ID to 1
ioapic0 <Version 2.0> irqs 0-23 on motherboard
kbd1 at kbdmux0
acpi0: <SECCSD LH43STAR> on motherboard
acpi0: [ITHREAD]
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_ec0: <Embedded Controller: GPE 0x17> port 0x62,0x66 on acpi0
acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
Timecounter "HPET" frequency 14318180 Hz quality 900
acpi_acad0: <AC Adapter> on acpi0
battery0: <ACPI Control Method Battery> on acpi0
acpi_lid0: <Control Method Lid Switch> on acpi0
acpi_button0: <Power Button> on acpi0
acpi_button1: <Sleep Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
vgapci0: <VGA-compatible display> port 0x1800-0x1807 mem 0xd8100000-0xd817ffff,0xc0000000-0xcfffffff,0xd8200000-0xd823ffff irq 16 at device 2.0 on pci0
agp0: <Intel 82945GM (945GM GMCH) SVGA controller> on vgapci0
agp0: detected 7932k stolen memory
agp0: aperture size is 256M
acpi_video0: <ACPI video extension> on vgapci0
drm0: <Intel i945GM> on vgapci0
vgapci0: child drm0 requested pci_enable_busmaster
info: [drm] AGP at 0xc0000000 256MB
info: [drm] Initialized i915 1.6.0 20080730
vgapci1: <VGA-compatible display> mem 0xd8180000-0xd81fffff at device 2.1 on pci0
hdac0: <Intel 82801G High Definition Audio Controller> mem 0xd8240000-0xd8243fff irq 22 at device 27.0 on pci0
hdac0: HDA Driver Revision: 20090113_0125
hdac0: [ITHREAD]
pcib1: <ACPI PCI-PCI bridge> irq 17 at device 28.0 on pci0
pci2: <ACPI PCI bus> on pcib1
wpi0: <Intel(R) PRO/Wireless 3945ABG> mem 0xd4000000-0xd4000fff irq 16 at device 0.0 on pci2
wpi0: Driver Revision 20071127
wpi0: Hardware Revision (0x1)
adding chan 1 (2412MHz) flags=0x2b maxpwr=15 passive=0, offset 2
[...]
pcib2: <ACPI PCI-PCI bridge> irq 16 at device 28.1 on pci0
pci3: <ACPI PCI bus> on pcib2
uhci0: <UHCI (generic) USB controller> port 0x1820-0x183f irq 23 at device 29.0 on pci0
uhci0: [ITHREAD]
uhci0: LegSup = 0x2f00
usbus0: <UHCI (generic) USB controller> on uhci0
uhci1: <UHCI (generic) USB controller> port 0x1840-0x185f irq 19 at device 29.1 on pci0
uhci1: [ITHREAD]
uhci1: LegSup = 0x2f00
usbus1: <UHCI (generic) USB controller> on uhci1
uhci2: <UHCI (generic) USB controller> port 0x1860-0x187f irq 18 at device 29.2 on pci0
uhci2: [ITHREAD]
uhci2: LegSup = 0x2f00
usbus2: <UHCI (generic) USB controller> on uhci2
uhci3: <UHCI (generic) USB controller> port 0x1880-0x189f irq 16 at device 29.3 on pci0
uhci3: [ITHREAD]
uhci3: LegSup = 0x2f00
usbus3: <UHCI (generic) USB controller> on uhci3
ehci0: <Intel 82801GB/R (ICH7) USB 2.0 controller> mem 0xd8444000-0xd84443ff irq 23 at device 29.7 on pci0
ehci0: [ITHREAD]
usbus4: EHCI version 1.0
usbus4: <Intel 82801GB/R (ICH7) USB 2.0 controller> on ehci0
pcib3: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci5: <ACPI PCI bus> on pcib3
bfe0: <Broadcom BCM4401-B0 Fast Ethernet> mem 0xd8000000-0xd8001fff irq 22 at device 5.0 on pci5
miibus0: <MII bus> on bfe0
bmtphy0: <BCM4401 10/100baseTX PHY> PHY 1 on miibus0
bmtphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
bfe0: Ethernet address: 00:00:f0:7f:da:00
bfe0: [ITHREAD]
cbb0: <RF5C476 PCI-CardBus Bridge> at device 9.0 on pci5
cardbus0: <CardBus bus> on cbb0
pccard0: <16-bit PCCard bus> on cbb0
cbb0: [FILTER]
fwohci0: <Ricoh R5C552> mem 0xd8002000-0xd80027ff at device 9.1 on pci5
fwohci0: [FILTER]
fwohci0: OHCI version 1.0 (ROM=1)
fwohci0: No. of Isochronous channels is 4.
fwohci0: EUI64 00:00:f0:41:20:0f:ab:79
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 0x1484000
fwe0: <Ethernet over FireWire> on firewire0
if_fwe0: Fake Ethernet address: 02:00:f0:0f:ab:79
fwe0: Ethernet address: 02:00:f0:0f:ab:79
fwip0: <IP over FireWire> on firewire0
fwip0: Firewire address: 00:00:f0:41:20:0f:ab:79 _at_ 0xfffe00000000, S400, maxrec 2048
sbp0: <SBP-2/SCSI over FireWire> on firewire0
fwohci0: Initiate bus reset
fwohci0: BUS reset
fwohci0: node_id=0xc800ffc0, gen=1, CYCLEMASTER mode
sdhci0: <RICOH R5C822 SD> mem 0xd8002800-0xd80028ff at device 9.2 on pci5
sdhci0: 1 slot(s) allocated
sdhci0: [ITHREAD]
pci5: <base peripheral> at device 9.3 (no driver attached)
pci5: <base peripheral> at device 9.4 (no driver attached)
pci5: <base peripheral> at device 9.5 (no driver attached)
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH7 UDMA100 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x1810-0x181f at device 31.1 on pci0
ata0: <ATA channel 0> on atapci0
ata0: [ITHREAD]
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
acpi_tz0: <Thermal Zone> on acpi0
acpi_tz1: <Thermal Zone> on acpi0
atrtc0: <AT realtime clock> port 0x70-0x77 irq 8 on acpi0
atrtc0: Warning: Couldn't map I/O.
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 IntelliMouse, device ID 3
cpu0: <ACPI CPU> on acpi0
coretemp0: <CPU On-Die Thermal Sensors> on cpu0
est0: <Enhanced SpeedStep Frequency Control> on cpu0
p4tcc0: <CPU Frequency Thermal Control> on cpu0
cpu1: <ACPI CPU> on acpi0
coretemp1: <CPU On-Die Thermal Sensors> on cpu1
est1: <Enhanced SpeedStep Frequency Control> on cpu1
p4tcc1: <CPU Frequency Thermal Control> on cpu1
pmtimer0 on isa0
orm0: <ISA Option ROM> at iomem 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.
Timecounters tick every 1.000 msec
firewire0: 1 nodes, maxhop <= 0, cable IRM = 0 (me)
firewire0: bus manager 0 (me)
usbus4: 480Mbps High Speed USB v2.0
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
ugen0.1: <Intel> at usbus0
ushub0: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
ugen1.1: <Intel> at usbus1
ushub1: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus1
ugen2.1: <Intel> at usbus2
ushub2: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus2
ugen3.1: <Intel> at usbus3
ushub3: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus3
ugen4.1: <Intel> at usbus4
ushub4: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus4
ad0: 114473MB <Seagate ST9120822A 3.ALC> at ata0-master UDMA100
acd0: DVDR <TSSTcorpCD/DVDW TS-L632D/SC01> at ata0-slave UDMA33
hdac0: HDA Codec #0: Analog Devices AD1986A
hdac0: HDA Codec #1: Lucent/Agere Systems (Unknown)
hdac0: hdac_widget_connection_parse: nid=18 WARNING: zero cnid entnum=4 j=2 index=0 entries=8 found=2 res=0x21002211
pcm0: <HDA Analog Devices AD1986A PCM #0 Analog> at cad 0 nid 1 on hdac0
pcm1: <HDA Analog Devices AD1986A PCM #1 Digital> at cad 0 nid 1 on hdac0
GEOM_LABEL: Label for provider ad0s1 is ntfs/Windows.
GEOM: ad0s2: geometry does not match label (255h,63s != 16h,63s).
ushub0: 2 ports with 2 removable, self powered
ushub1: 2 ports with 2 removable, self powered
ushub2: 2 ports with 2 removable, self powered
ushub3: 2 ports with 2 removable, self powered
ushub4: 8 ports with 8 removable, self powered
acd0: FAILURE - INQUIRY ILLEGAL REQUEST asc=0x24 ascq=0x00
(probe0:ata0:0:1:0): TEST UNIT READY. CDB: 0 0 0 0 0 0
(probe0:ata0:0:1:0): CAM Status: SCSI Status Error
(probe0:ata0:0:1:0): SCSI Status: Check Condition
(probe0:ata0:0:1:0): NOT READY asc:3a,1
(probe0:ata0:0:1:0): Medium not present - tray closed
(probe0:ata0:0:1:0): Unretryable error
acd0: FAILURE - INQUIRY ILLEGAL REQUEST asc=0x24 ascq=0x00
(probe0:ata0:0:1:0): TEST UNIT READY. CDB: 0 0 0 0 0 0
(probe0:ata0:0:1:0): CAM Status: SCSI Status Error
(probe0:ata0:0:1:0): SCSI Status: Check Condition
(probe0:ata0:0:1:0): NOT READY asc:3a,1
(probe0:ata0:0:1:0): Medium not present - tray closed
(probe0:ata0:0:1:0): Unretryable error
cd0 at ata0 bus 0 target 1 lun 0
cd0: <TSSTcorp CD/DVDW TS-L632D SC01> Removable CD-ROM SCSI-0 device
cd0: 33.000MB/s transfers
cd0: Attempt to query device size failed: NOT READY, Medium not present - tray closed
SMP: AP CPU #1 Launched!
WARNING: WITNESS option enabled, expect reduced performance.
Trying to mount root from ufs:/dev/ad0s2a
WARNING: / was not properly dismounted
WARNING: /: GJOURNAL flag on fs but no gjournal provider below
lock order reversal:
 1st 0xc459a044 user map (user map) _at_ /usr/src/sys/vm/vm_map.c:3198
 2nd 0xc49cdad0 ufs (ufs) _at_ /usr/src/sys/kern/vfs_subr.c:2079
KDB: stack backtrace:
db_trace_self_wrapper(c0c2b1d3,c419890c,c0898635,4,c0c2675b,...) at db_trace_self_wrapper+0x26
kdb_backtrace(4,c0c2675b,c4521728,c4527708,c4198968,...) at kdb_backtrace+0x29
_witness_debugger(c0c2def8,c49cdad0,c0c217cc,c4527708,c0c34bd5,...) at _witness_debugger+0x25
witness_checkorder(c49cdad0,1,c0c34bd5,81f,0,...) at witness_checkorder+0x839
__lockmgr_args(c49cdad0,200501,c49cdaec,0,0,...) at __lockmgr_args+0x237
ffs_lock(c4198a78,c08983db,c0c50c7f,200501,c49cda78,...) at ffs_lock+0x8a
VOP_LOCK1_APV(c0d2fb80,c4198a78,c4596e24,c0d43ca0,c49cda78,...) at VOP_LOCK1_APV+0xb5
_vn_lock(c49cda78,200501,c0c34bd5,81f,4,...) at _vn_lock+0x5e
vget(c49cda78,200501,c4596d80,4b4,0,...) at vget+0xc9
vnode_pager_lock(c4ae8e0c,0,c0c4e265,127,c4198c18,...) at vnode_pager_lock+0x1e0
vm_fault(c459a000,80bd000,2,8,80bd000,...) at vm_fault+0x1df
trap_pfault(5,0,c0c5e3d4,2e7,c4594d34,...) at trap_pfault+0x118
trap(c4198d38) at trap+0x289
calltrap() at calltrap+0x6
--- trap 0xc, eip = 0x80480e5, esp = 0xbfbfeef0, ebp = 0xbfbfef10 ---
ugen2.2: <Broadcom Corp> at usbus2
ubt0: <Broadcom Corp Foxconn Bluetooth 2.0 plus EDR, class 224/1, rev 2.00/1.00, addr 2> on usbus2
<118>Entropy harvesting:
<118> interrupts
<118> ethernet
<118> point_to_point
<118> kickstart
<118>.
<118>/dev/ad0s2a: DEFER FOR BACKGROUND CHECKING
<118>/dev/ad0s2d: DEFER FOR BACKGROUND CHECKING
<118>/dev/ad0s2e: DEFER FOR BACKGROUND CHECKING
<118>/dev/ad0s2f: DEFER FOR BACKGROUND CHECKING
WARNING: / was not properly dismounted
WARNING: /var was not properly dismounted
WARNING: /tmp was not properly dismounted
WARNING: /usr was not properly dismounted
ath0: <Atheros 5212> mem 0x88000000-0x8800ffff irq 20 at device 0.0 on cardbus0
ath0: [ITHREAD]
ath0: WARNING: using obsoleted if_watchdog interface
ath0: mac 5.9 phy 4.3 radio 3.6
wlan1: Ethernet address: 00:13:02:3f:0d:e4
wlan0: Ethernet address: 00:0f:b5:9a:47:47
<118>Starting wpa_supplicant.
<118>Starting Network: lo0.
<118>/etc/rc: INFO: pf kernel module loaded.
<118>No ALTQ support in kernel
<118>ALTQ related functions disabled
<118>No ALTQ support in kernel
<118>ALTQ related functions disabled
<118>No ALTQ support in kernel
<118>ALTQ related functions disabled
<118>pf enabled
<118>route:
<118>writing to routing socket
<118>:
<118>Network is unreachable
<118>add net default: gateway 192.168.2.1: Network is unreachable
<118>ifconfig:
<118>create: bad value
<118>
<118>ifconfig:
<118>create: bad value
<118>
<118>/etc/rc.d/bluetooth: INFO: ng_l2cap kernel module loaded.
WARNING: attempt to net_add_domain(bluetooth) after domainfinalize()
<118>/etc/rc.d/bluetooth: INFO: ng_btsocket kernel module loaded.
WARNING: attempt to net_add_domain(netgraph) after domainfinalize()
ubt0:ubt_bulk_read_callback:981: bulk-in transfer failed: USB_ERR_STALLED
ubt0:ubt_intr_read_callback:834: interrupt transfer failed: USB_ERR_STALLED
ubt0:ubt_bulk_read_callback:981: bulk-in transfer failed: USB_ERR_STALLED
ubt0:ubt_intr_read_callback:834: interrupt transfer failed: USB_ERR_STALLED
ubt0:ubt_bulk_read_callback:981: bulk-in transfer failed: USB_ERR_STALLED
ubt0:ubt_intr_read_callback:834: interrupt transfer failed: USB_ERR_STALLED
ubt0:ubt_bulk_read_callback:981: bulk-in transfer failed: USB_ERR_STALLED
ubt0:ubt_intr_read_callback:834: interrupt transfer failed: USB_ERR_STALLED
Kernel page fault with the following non-sleepable locks held:
exclusive sleep mutex ubt if1 (ubt if1) r = 0 (0xc4ab3e44) locked _at_ /usr/src/sys/dev/usb2/core/usb2_transfer.c:1804
KDB: stack backtrace:
db_trace_self_wrapper(c0c2b1d3,f12eab00,c0898635,c0c183f9,70c,...) at db_trace_self_wrapper+0x26
kdb_backtrace(c0c183f9,70c,ffffffff,c0eb781c,f12eab38,...) at kdb_backtrace+0x29
_witness_debugger(c0c2d4a4,f12eab4c,4,1,0,...) at _witness_debugger+0x25
witness_warn(5,0,c0c5e3d4,f12eab80,c4a717ec,...) at witness_warn+0x1fd
trap(f12eabd8) at trap+0x152
calltrap() at calltrap+0x6
--- trap 0xc, eip = 0xc11aa052, esp = 0xf12eac18, ebp = 0xf12eac54 ---
ubt_isoc_read_callback(c4b8b0b8,ffffffff,c0c183f9,99e,c0eb7818,...) at ubt_isoc_read_callback+0x22
usb2_callback_wrapper(c4b8b014,70d,0,c4b8b000,c4b8b000,...) at usb2_callback_wrapper+0x61a
usb2_command_wrapper(c4b8b014,0,c0c183f9,70d,c4b8b028,...) at usb2_command_wrapper+0x116
usb2_callback_proc(c4b8b028,c47ace70,c0c17faf,51,c0d7b3c0,...) at usb2_callback_proc+0x9b
usb2_process(c47acda0,f12ead38,c0c23f3b,32d,c4a717ec,...) at usb2_process+0xde
fork_exit(c0793fb0,c47acda0,f12ead38) at fork_exit+0xb8
fork_trampoline() at fork_trampoline+0x8
--- trap 0, eip = 0, esp = 0xf12ead70, ebp = 0 ---


Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0xdeadc1ba
fault code              = supervisor read, page not present
instruction pointer     = 0x20:0xc11aa052
stack pointer           = 0x28:0xf12eac18
frame pointer           = 0x28:0xf12eac54
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 26 (USBPROC)
lock order reversal: (Giant after non-sleepable)
 1st 0xc4ab3e44 ubt if1 (ubt if1) _at_ /usr/src/sys/dev/usb2/core/usb2_transfer.c:1804
 2nd 0xc0d76e90 Giant (Giant) _at_ /usr/src/sys/dev/kbdmux/kbdmux.c:1044
KDB: stack backtrace:
panic: mutex Giant not owned at /usr/src/sys/kern/tty_ttydisc.c:1127
cpuid = 0
Uptime: 20s
Physical memory: 998 MB
Dumping 59 MB: 44 28 12

Reading symbols from /boot/kernel/linux.ko...Reading symbols from /boot/kernel/linux.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/linux.ko
[...]
Reading symbols from /boot/kernel/ng_socket.ko...Reading symbols from /boot/kernel/ng_socket.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/ng_socket.ko
#0  doadump () at pcpu.h:246
246     pcpu.h: No such file or directory.
        in pcpu.h
(kgdb) bt
#0  doadump () at pcpu.h:246
#1  0xc085923e in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:420
#2  0xc0859512 in panic (fmt=Variable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:576
#3  0xc0849fc7 in _mtx_assert (m=0xc0d76e90, what=4, file=0xc0c30b4c "/usr/src/sys/kern/tty_ttydisc.c", line=1127) at /usr/src/sys/kern/kern_mutex.c:639
#4  0xc08aebad in ttydisc_getc (tp=0xc4650c00, buf=0xf12ea920, len=128) at /usr/src/sys/kern/tty_ttydisc.c:1127
#5  0xc0740604 in sctty_outwakeup (tp=0xc4650c00) at /usr/src/sys/dev/syscons/syscons.c:323
#6  0xc0740b6c in scgetc (sc=0xc0f11f20, flags=3) at /usr/src/sys/dev/syscons/syscons.c:3281
#7  0xc0741190 in sc_cngetc (cd=0xc0cc9be0) at /usr/src/sys/dev/syscons/syscons.c:1607
#8  0xc0821a28 in cncheckc () at /usr/src/sys/kern/kern_cons.c:379
#9  0xc0821a66 in cngetc () at /usr/src/sys/kern/kern_cons.c:357
#10 0xc04bfb15 in db_readline (lstart=0xc0d45cc0 "\n", lsize=120) at /usr/src/sys/ddb/db_input.c:326
#11 0xc04c04ea in db_read_line () at /usr/src/sys/ddb/db_lex.c:56
#12 0xc04be796 in db_command_loop () at /usr/src/sys/ddb/db_command.c:496
#13 0xc04c060d in db_trap (type=12, code=0) at /usr/src/sys/ddb/db_main.c:229
#14 0xc0886be6 in kdb_trap (type=12, code=0, tf=0xf12eabd8) at /usr/src/sys/kern/subr_kdb.c:534
#15 0xc0b5af2f in trap_fatal (frame=0xf12eabd8, eva=3735929274) at /usr/src/sys/i386/i386/trap.c:920
#16 0xc0b5b860 in trap (frame=0xf12eabd8) at /usr/src/sys/i386/i386/trap.c:318
#17 0xc0b3fb3b in calltrap () at /usr/src/sys/i386/i386/exception.s:165
#18 0xc11aa052 in ubt_isoc_read_callback () from /boot/kernel/usb2_bluetooth_ng.ko
#19 0xc079908a in usb2_callback_wrapper (pq=0xc4b8b014) at /usr/src/sys/dev/usb2/core/usb2_transfer.c:1934
#20 0xc07969d6 in usb2_command_wrapper (pq=0xc4b8b014, xfer=0x0) at /usr/src/sys/dev/usb2/core/usb2_transfer.c:2514
#21 0xc0796abb in usb2_callback_proc (_pm=0xc4b8b028) at /usr/src/sys/dev/usb2/core/usb2_transfer.c:1808
#22 0xc079408e in usb2_process (arg=0xc47acda0) at /usr/src/sys/dev/usb2/core/usb2_process.c:139
#23 0xc0836228 in fork_exit (callout=0xc0793fb0 <usb2_process>, arg=0xc47acda0, frame=0xf12ead38) at /usr/src/sys/kern/kern_fork.c:821
#24 0xc0b3fbb0 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:270


-- 
Lars Engels
E-Mail: lars.engels_at_0x20.net 	

Received on Fri Jan 23 2009 - 14:43:39 UTC

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