Date: Fri, 23 Jan 2009 16:43:36 +0100 From: Lars Engels <lme@FreeBSD.org> To: current@freebsd.org Cc: hselasky@c2i.net Subject: panic: mutex Giant not owned at /usr/src/sys/kern/tty_ttydisc.c:1127 Message-ID: <20090123154336.GJ60948@e.0x20.net>
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On yesterday's CURRENT I got the following panic while booting:
lars@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 condition=
s.
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@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 @ 1.66GHz (1662.52-MHz 686-class=
CPU)
Origin =3D "GenuineIntel" Id =3D 0x6e8 Stepping =3D 8
Features=3D0xbfe9fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PG=
E,MCA,CMOV,PAT,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Features2=3D0xc189<SSE3,MON,EST,TM2,xTPR,PDCM>
AMD Features=3D0x100000<NX>
TSC: P-state invariant
Cores per package: 2
real memory =3D 1063845888 (1014 MB)
avail memory =3D 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 acp=
i0
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 0xd8100000-0xd817f=
fff,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 o=
n pci0
hdac0: <Intel 82801G High Definition Audio Controller> mem 0xd8240000-0xd82=
43fff 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 d=
evice 0.0 on pci2
wpi0: Driver Revision 20071127
wpi0: Hardware Revision (0x1)
adding chan 1 (2412MHz) flags=3D0x2b maxpwr=3D15 passive=3D0, 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 =3D 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 =3D 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 =3D 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 =3D 0x2f00
usbus3: <UHCI (generic) USB controller> on uhci3
ehci0: <Intel 82801GB/R (ICH7) USB 2.0 controller> mem 0xd8444000-0xd84443f=
f 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=3D1)
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 @ 0xfffe00000000, S400, ma=
xrec 2048
sbp0: <SBP-2/SCSI over FireWire> on firewire0
fwohci0: Initiate bus reset
fwohci0: BUS reset
fwohci0: node_id=3D0xc800ffc0, gen=3D1, 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=3D0x300>
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 <=3D 0, cable IRM =3D 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=3D18 WARNING: zero cnid entnum=3D4=
j=3D2 index=3D0 entries=3D8 found=3D2 res=3D0x21002211
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 !=3D 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=3D0x24 ascq=3D0x00
(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=3D0x24 ascq=3D0x00
(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 - t=
ray 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) @ /usr/src/sys/vm/vm_map.c:3198
2nd 0xc49cdad0 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2079
KDB: stack backtrace:
db_trace_self_wrapper(c0c2b1d3,c419890c,c0898635,4,c0c2675b,...) at db_trac=
e_self_wrapper+0x26
kdb_backtrace(4,c0c2675b,c4521728,c4527708,c4198968,...) at kdb_backtrace+0=
x29
_witness_debugger(c0c2def8,c49cdad0,c0c217cc,c4527708,c0c34bd5,...) at _wit=
ness_debugger+0x25
witness_checkorder(c49cdad0,1,c0c34bd5,81f,0,...) at witness_checkorder+0x8=
39
__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_LOCK=
1_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 =3D 0x80480e5, esp =3D 0xbfbfeef0, ebp =3D 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 card=
bus0
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 =3D 0 (0xc4ab3e44) locked @ /usr/=
src/sys/dev/usb2/core/usb2_transfer.c:1804
KDB: stack backtrace:
db_trace_self_wrapper(c0c2b1d3,f12eab00,c0898635,c0c183f9,70c,...) at db_tr=
ace_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 =3D 0xc11aa052, esp =3D 0xf12eac18, ebp =3D 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_callbac=
k_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_call=
back_proc+0x9b
usb2_process(c47acda0,f12ead38,c0c23f3b,32d,c4a717ec,...) at usb2_process+0=
xde
fork_exit(c0793fb0,c47acda0,f12ead38) at fork_exit+0xb8
fork_trampoline() at fork_trampoline+0x8
--- trap 0, eip =3D 0, esp =3D 0xf12ead70, ebp =3D 0 ---
Fatal trap 12: page fault while in kernel mode
cpuid =3D 0; apic id =3D 00
fault virtual address =3D 0xdeadc1ba
fault code =3D supervisor read, page not present
instruction pointer =3D 0x20:0xc11aa052
stack pointer =3D 0x28:0xf12eac18
frame pointer =3D 0x28:0xf12eac54
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, def32 1, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 26 (USBPROC)
lock order reversal: (Giant after non-sleepable)
1st 0xc4ab3e44 ubt if1 (ubt if1) @ /usr/src/sys/dev/usb2/core/usb2_transfe=
r.c:1804
2nd 0xc0d76e90 Giant (Giant) @ /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 =3D 0
Uptime: 20s
Physical memory: 998 MB
Dumping 59 MB: 44 28 12
Reading symbols from /boot/kernel/linux.ko...Reading symbols from /boot/ker=
nel/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=3D260) at /usr/src/sys/kern/kern_shutdown.c:4=
20
#2 0xc0859512 in panic (fmt=3DVariable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:576
#3 0xc0849fc7 in _mtx_assert (m=3D0xc0d76e90, what=3D4, file=3D0xc0c30b4c =
"/usr/src/sys/kern/tty_ttydisc.c", line=3D1127) at /usr/src/sys/kern/kern_m=
utex.c:639
#4 0xc08aebad in ttydisc_getc (tp=3D0xc4650c00, buf=3D0xf12ea920, len=3D12=
8) at /usr/src/sys/kern/tty_ttydisc.c:1127
#5 0xc0740604 in sctty_outwakeup (tp=3D0xc4650c00) at /usr/src/sys/dev/sys=
cons/syscons.c:323
#6 0xc0740b6c in scgetc (sc=3D0xc0f11f20, flags=3D3) at /usr/src/sys/dev/s=
yscons/syscons.c:3281
#7 0xc0741190 in sc_cngetc (cd=3D0xc0cc9be0) at /usr/src/sys/dev/syscons/s=
yscons.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=3D0xc0d45cc0 "\n", lsize=3D120) at /u=
sr/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=3D12, code=3D0) at /usr/src/sys/ddb/db_main=
=2Ec:229
#14 0xc0886be6 in kdb_trap (type=3D12, code=3D0, tf=3D0xf12eabd8) at /usr/s=
rc/sys/kern/subr_kdb.c:534
#15 0xc0b5af2f in trap_fatal (frame=3D0xf12eabd8, eva=3D3735929274) at /usr=
/src/sys/i386/i386/trap.c:920
#16 0xc0b5b860 in trap (frame=3D0xf12eabd8) 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_bluetoot=
h_ng.ko
#19 0xc079908a in usb2_callback_wrapper (pq=3D0xc4b8b014) at /usr/src/sys/d=
ev/usb2/core/usb2_transfer.c:1934
#20 0xc07969d6 in usb2_command_wrapper (pq=3D0xc4b8b014, xfer=3D0x0) at /us=
r/src/sys/dev/usb2/core/usb2_transfer.c:2514
#21 0xc0796abb in usb2_callback_proc (_pm=3D0xc4b8b028) at /usr/src/sys/dev=
/usb2/core/usb2_transfer.c:1808
#22 0xc079408e in usb2_process (arg=3D0xc47acda0) at /usr/src/sys/dev/usb2/=
core/usb2_process.c:139
#23 0xc0836228 in fork_exit (callout=3D0xc0793fb0 <usb2_process>, arg=3D0xc=
47acda0, frame=3D0xf12ead38) at /usr/src/sys/kern/kern_fork.c:821
#24 0xc0b3fbb0 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:=
270
--=20
Lars Engels
E-Mail: lars.engels@0x20.net =09
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