Date: Wed, 09 Sep 2009 18:15:54 +0200 From: Norbert Koch <nkoch@demig.de> To: freebsd-current@freebsd.org Subject: lock order reversal etc. Message-ID: <4AA7D4BA.40002@demig.de>
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Hello.
Is this the right mailing list to post
kernel stack traces from Freebsd-8-BETA4?
If yes, see below, otherwise just ignore this message.
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-BETA4 #0: Wed Sep 9 09:07:30 CEST 2009
root@entw-pr2.demig.intra:/usr/obj/usr/src/sys/ENTW-PR2
WARNING: WITNESS option enabled, expect reduced performance.
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Core(TM)2 Duo CPU E4600 @ 2.40GHz (2407.32-MHz
686-class CPU)
Origin = "GenuineIntel" Id = 0x6fd Stepping = 13
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=0xe39d<SSE3,DTES64,MON,DS_CPL,EST,TM2,SSSE3,CX16,xTPR,PDCM>
AMD Features=0x20100000<NX,LM>
AMD Features2=0x1<LAHF>
TSC: P-state invariant
real memory = 1073741824 (1024 MB)
avail memory = 1035853824 (987 MB)
ACPI APIC Table: <MSTEST OEMAPIC >
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
FreeBSD/SMP: 1 package(s) x 2 core(s)
cpu0 (BSP): APIC ID: 0
cpu1 (AP): APIC ID: 1
ioapic0 <Version 2.0> irqs 0-23 on motherboard
kbd1 at kbdmux0
acpi0: <MSTEST TESTONLY> on motherboard
acpi0: [ITHREAD]
acpi0: Power Button (fixed)
acpi0: reservation of 0, a0000 (3) failed
acpi0: reservation of 100000, 3ff00000 (3) failed
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on
acpi0
Timecounter "HPET" frequency 14318180 Hz quality 900
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pcib1: <ACPI PCI-PCI bridge> irq 16 at device 1.0 on pci0
pci1: <ACPI PCI bus> on pcib1
vgapci0: <VGA-compatible display> mem
0xfd000000-0xfdffffff,0xc0000000-0xcfffffff,0xfc000000-0xfcffffff irq 16
at device 0.0 on pci1
uhci0: <Intel 82801H (ICH8) USB controller USB-D> port 0xdc00-0xdc1f irq
16 at device 26.0 on pci0
uhci0: [ITHREAD]
uhci0: LegSup = 0x0f00
usbus0: <Intel 82801H (ICH8) USB controller USB-D> on uhci0
uhci1: <Intel 82801H (ICH8) USB controller USB-E> port 0xe000-0xe01f irq
17 at device 26.1 on pci0
uhci1: [ITHREAD]
uhci1: LegSup = 0x0f00
usbus1: <Intel 82801H (ICH8) USB controller USB-E> on uhci1
ehci0: <Intel 82801H (ICH8) USB 2.0 controller USB2-B> mem
0xfebffc00-0xfebfffff irq 18 at device 26.7 on pci0
ehci0: [ITHREAD]
usbus2: EHCI version 1.0
usbus2: <Intel 82801H (ICH8) USB 2.0 controller USB2-B> on ehci0
pci0: <multimedia, HDA> at device 27.0 (no driver attached)
pcib2: <ACPI PCI-PCI bridge> irq 16 at device 28.0 on pci0
pci4: <ACPI PCI bus> on pcib2
pcib3: <ACPI PCI-PCI bridge> irq 19 at device 28.3 on pci0
pci3: <ACPI PCI bus> on pcib3
re0: <RealTek
8168/8168B/8168C/8168CP/8168D/8168DP/8111B/8111C/8111CP/8111DP PCIe
Gigabit Ethernet> port 0xa800-0xa8ff mem 0xfe9ff000-0xfe9fffff irq 19 at
device 0.0 on pci3
re0: Using 1 MSI messages
re0: Chip rev. 0x38000000
re0: MAC rev. 0x00000000
miibus0: <MII bus> on re0
rgephy0: <RTL8169S/8110S/8211B media interface> PHY 1 on miibus0
rgephy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT,
1000baseT-FDX, auto
re0: Ethernet address: 00:1d:60:76:0d:a3
re0: [FILTER]
pcib4: <ACPI PCI-PCI bridge> irq 16 at device 28.4 on pci0
pci2: <ACPI PCI bus> on pcib4
atapci0: <JMicron JMB363 SATA300 controller> port
0x9c00-0x9c07,0x9880-0x9883,0x9800-0x9807,0x9480-0x9483,0x9400-0x940f
mem 0xfe8fe000-0xfe8fffff irq 16 at device 0.0 on pci2
atapci0: [ITHREAD]
atapci0: AHCI called from vendor specific driver
atapci0: AHCI v1.00 controller with 2 3Gbps ports, PM supported
ata2: <ATA channel 0> on atapci0
ata2: [ITHREAD]
ata3: <ATA channel 1> on atapci0
ata3: [ITHREAD]
ata4: <ATA channel 2> on atapci0
ata4: [ITHREAD]
uhci2: <Intel 82801H (ICH8) USB controller USB-A> port 0xd480-0xd49f irq
23 at device 29.0 on pci0
uhci2: [ITHREAD]
uhci2: LegSup = 0x0f00
usbus3: <Intel 82801H (ICH8) USB controller USB-A> on uhci2
uhci3: <Intel 82801H (ICH8) USB controller USB-B> port 0xd800-0xd81f irq
19 at device 29.1 on pci0
uhci3: [ITHREAD]
uhci3: LegSup = 0x0f00
usbus4: <Intel 82801H (ICH8) USB controller USB-B> on uhci3
uhci4: <Intel 82801H (ICH8) USB controller USB-C> port 0xd880-0xd89f irq
18 at device 29.2 on pci0
uhci4: [ITHREAD]
uhci4: LegSup = 0x0f00
usbus5: <Intel 82801H (ICH8) USB controller USB-C> on uhci4
ehci1: <Intel 82801H (ICH8) USB 2.0 controller USB2-A> mem
0xfebff800-0xfebffbff irq 23 at device 29.7 on pci0
ehci1: [ITHREAD]
usbus6: EHCI version 1.0
usbus6: <Intel 82801H (ICH8) USB 2.0 controller USB2-A> on ehci1
pcib5: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci5: <ACPI PCI bus> on pcib5
xl0: <3Com 3c905C-TX Fast Etherlink XL> port 0xbc00-0xbc7f mem
0xfeaffc00-0xfeaffc7f irq 21 at device 0.0 on pci5
miibus1: <MII bus> on xl0
ukphy0: <Generic IEEE 802.3u media interface> PHY 24 on miibus1
ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
xl0: Ethernet address: 00:0a:5e:04:dc:62
xl0: [ITHREAD]
atapci1: <Promise PDC20268 UDMA100 controller> port
0xb880-0xb887,0xb800-0xb803,0xb480-0xb487,0xb400-0xb403,0xb080-0xb08f
mem 0xfeaf8000-0xfeafbfff irq 22 at device 1.0 on pci5
atapci1: [ITHREAD]
ata5: <ATA channel 0> on atapci1
ata5: [ITHREAD]
ata6: <ATA channel 1> on atapci1
ata6: [ITHREAD]
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci2: <Intel ICH8 SATA300 controller> port
0xec00-0xec07,0xe880-0xe883,0xe800-0xe807,0xe480-0xe483,0xe400-0xe40f,0xe080-0xe08f
irq 19 at device 31.2 on pci0
atapci2: [ITHREAD]
ata7: <ATA channel 0> on atapci2
ata7: [ITHREAD]
ata8: <ATA channel 1> on atapci2
ata8: [ITHREAD]
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
atapci3: <Intel ICH8 SATA300 controller> port
0xd400-0xd407,0xd080-0xd083,0xd000-0xd007,0xcc00-0xcc03,0xc880-0xc88f,0xc800-0xc80f
irq 19 at device 31.5 on pci0
atapci3: [ITHREAD]
ata9: <ATA channel 0> on atapci3
ata9: [ITHREAD]
ata10: <ATA channel 1> on atapci3
ata10: [ITHREAD]
acpi_button0: <Power Button> on acpi0
atrtc0: <AT realtime clock> port 0x70-0x71 irq 8 on acpi0
uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
uart0: [FILTER]
ACPI Warning: \\_SB_.PCI0.SBRG.FDC_._FDE: Return type mismatch - found
Package, expected Buffer 20090521 nspredef-1051
fdc0: <floppy drive controller (FDE)> port 0x3f0-0x3f5,0x3f7 irq 6 drq 2
on acpi0
fdc0: [FILTER]
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
ppc0: <Parallel port> port 0x378-0x37f,0x778-0x77f irq 7 drq 3 on acpi0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/9 bytes threshold
ppc0: [ITHREAD]
ppbus0: <Parallel port bus> on ppc0
lpt0: <Printer> on ppbus0
lpt0: [ITHREAD]
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
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
cpu0: <ACPI CPU> on acpi0
ACPI Warning: Incorrect checksum in table [OEMB] - 27, should be 1A
20090521 tbutils-275
est0: <Enhanced SpeedStep Frequency Control> on cpu0
p4tcc0: <CPU Frequency Thermal Control> on cpu0
cpu1: <ACPI CPU> on acpi0
est1: <Enhanced SpeedStep Frequency Control> on cpu1
p4tcc1: <CPU Frequency Thermal Control> on cpu1
pmtimer0 on isa0
orm0: <ISA Option ROMs> at iomem 0xd2000-0xd27ff,0xd2800-0xd4fff 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
ata0 at port 0x1f0-0x1f7,0x3f6 irq 14 on isa0
ata0: [ITHREAD]
ata1 at port 0x170-0x177,0x376 irq 15 on isa0
ata1: [ITHREAD]
Timecounters tick every 1.000 msec
usbus0: 12Mbps Full Speed USB v1.0
usbus1: 12Mbps Full Speed USB v1.0
usbus2: 480Mbps High Speed USB v2.0
usbus3: 12Mbps Full Speed USB v1.0
usbus4: 12Mbps Full Speed USB v1.0
usbus5: 12Mbps Full Speed USB v1.0
usbus6: 480Mbps High Speed USB v2.0
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 EHCI root HUB, class 9/0, rev 2.00/1.00, 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 UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus4
ugen5.1: <Intel> at usbus5
uhub5: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus5
ugen6.1: <Intel> at usbus6
uhub6: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus6
acd0: DVDROM <TOSHIBA DVD-ROM SD-M1612/J806> at ata4-master PIO4
ad10: 239372MB <WDC WD2500SB-01RFA0 20.00K20> at ata5-master UDMA100
ad12: 239372MB <WDC WD2500SB-01RFA0 20.00K20> at ata6-master UDMA100
ar0: 239372MB <Promise Fasttrak RAID1> status: READY
ar0: disk0 READY (master) using ad10 at ata5-master
ar0: disk1 READY (mirror) using ad12 at ata6-master
SMP: AP CPU #1 Launched!
WARNING: WITNESS option enabled, expect reduced performance.
uhub0: 2 ports with 2 removable, self powered
uhub1: 2 ports with 2 removable, self powered
uhub3: 2 ports with 2 removable, self powered
uhub4: 2 ports with 2 removable, self powered
uhub5: 2 ports with 2 removable, self powered
GEOM: ad10: geometry does not match label (255h,63s != 16h,63s).
GEOM: ad10: media size does not match label.
GEOM: ad12: geometry does not match label (255h,63s != 16h,63s).
GEOM: ad12: media size does not match label.
Root mount waiting for: usbus6 usbus2
uhub2: 4 ports with 4 removable, self powered
uhub6: 6 ports with 6 removable, self powered
Trying to mount root from ufs:/dev/ar0a
uma_zalloc_arg: zone "64" with the following non-sleepable locks held:
exclusive sleep mutex jail mutex (jail mutex) r = 0 (0xc0b91328) locked
@
/usr/src/sys/modules/syscons/daemon/../../../dev/syscons/daemon/daemon_saver.c:355
KDB: stack backtrace:
db_trace_self_wrapper(c0abf50f,e69b391c,c07ab3b5,c4a0580a,163,...) at
db_trace_self_wrapper+0x26
kdb_backtrace(c4a0580a,163,ffffffff,c0d261c4,e69b3954,...) at
kdb_backtrace+0x29
_witness_debugger(c0ac198e,e69b3968,4,1,0,...) at _witness_debugger+0x25
witness_warn(5,0,c0ae4b92,c0add27b,e69b3984,...) at witness_warn+0x1fd
uma_zalloc_arg(c148b000,0,2,2,14,...) at uma_zalloc_arg+0x34
malloc(29,c0b92dd0,2,163,c46562e4,...) at malloc+0xe4
daemon_init(c0d61940,c0aba83e,e69b3a28,c46f5600,c4a06cc0,...) at
daemon_init+0x7b
splash_test(7b,c46f5600,c4a06cc0,c46f5600,e69b3a50,...) at splash_test+0x91
splash_register(c4a06c40,0,0,76,0,...) at splash_register+0x48
module_register_init(c4a06cc0,0,c0ab8be2,e4,0,...) at
module_register_init+0xa7
linker_load_module(0,e69b3c48,c0ab8be2,3f7,0,...) at
linker_load_module+0x9fa
kern_kldload(c4656240,c43d9c00,e69b3c70,0,33d,...) at kern_kldload+0xca
kldload(c4656240,e69b3cf8,4,c,c0b8eb80,...) at kldload+0x74
syscall(e69b3d38) at syscall+0x2a3
Xint0x80_syscall() at Xint0x80_syscall+0x20
--- syscall (304, FreeBSD ELF32, kldload), eip = 0x280d6ddb, esp =
0xbfbfe94c, ebp = 0xbfbfee38 ---
IPv4 address: "192.168.1.191" is not on the network
pid 1275 (xfce4-settings-help), uid 1000: exited on signal 11 (core dumped)
lock order reversal:
1st 0xc4afca2c filedesc structure (filedesc structure) @
/usr/src/sys/kern/kern_descrip.c:1088
2nd 0xc4be3488 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:4091
KDB: stack backtrace:
db_trace_self_wrapper(c0abf50f,e6975a2c,c07ab3b5,c079c13b,c0ac23e2,...)
at db_trace_self_wrapper+0x26
kdb_backtrace(c079c13b,c0ac23e2,c4123168,c4126290,e6975a88,...) at
kdb_backtrace+0x29
_witness_debugger(c0ac23e2,c4be3488,c0ab4f66,c4126290,c0ac96be,...) at
_witness_debugger+0x25
witness_checkorder(c4be3488,9,c0ac96be,ffb,c4be34a4,...) at
witness_checkorder+0x839
__lockmgr_args(c4be3488,80400,c4be34a4,0,0,...) at __lockmgr_args+0x7a7
ffs_lock(e6975b98,4,0,80400,c4be3430,...) at ffs_lock+0x8a
VOP_LOCK1_APV(c0bae360,e6975b98,c0ab7180,c0bc5660,c4be3430,...) at
VOP_LOCK1_APV+0xb5
_vn_lock(c4be3430,80400,c0ac96be,ffb,e6975bf4,...) at _vn_lock+0x5e
vfs_knllock(c4be3430,0,c0ab7180,696,c4e7d110,...) at vfs_knllock+0x29
knlist_remove_kq(0,e6975c14,c07f69f9,c4dcdd78,c4e7d110,...) at
knlist_remove_kq+0x85
knlist_remove(c4dcdd78,c4e7d110,0,e6975c40,c0739c35,...) at
knlist_remove+0x1b
filt_vfsdetach(c4e7d110,0,c0ab7180,777,d,...) at filt_vfsdetach+0x39
knote_fdclose(c4686b40,4cd,c0ab6cc3,440,c4afca2c,...) at knote_fdclose+0xf5
kern_close(c4686b40,4cd,e6975d2c,c0a2e883,c4686b40,...) at kern_close+0xd2
close(c4686b40,e6975cf8,4,c0ac2cbd,c0b8cae8,...) at close+0x1a
syscall(e6975d38) at syscall+0x2a3
Xint0x80_syscall() at Xint0x80_syscall+0x20
--- syscall (6, FreeBSD ELF32, close), eip = 0x2837b3d3, esp =
0xbfbfe5bc, ebp = 0xbfbfe5d8 ---
IPv4 address: "192.168.1.191" is not on the network
IPv4 address: "192.168.1.191" is not on the network
lock order reversal:
1st 0xd82d03f0 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2559
2nd 0xc4f64800 dirhash (dirhash) @ /usr/src/sys/ufs/ufs/ufs_dirhash.c:285
KDB: stack backtrace:
db_trace_self_wrapper(c0abf50f,e6a5b850,c07ab3b5,c079c13b,c0ac23e2,...)
at db_trace_self_wrapper+0x26
kdb_backtrace(c079c13b,c0ac23e2,c4122e90,c41262f8,e6a5b8ac,...) at
kdb_backtrace+0x29
_witness_debugger(c0ac23e2,c4f64800,c0ae35e8,c41262f8,c0ae3281,...) at
_witness_debugger+0x25
witness_checkorder(c4f64800,9,c0ae3281,11d,0,...) at
witness_checkorder+0x839
_sx_xlock(c4f64800,0,c0ae3281,11d,c512fb54,...) at _sx_xlock+0x85
ufsdirhash_acquire(d82d0390,de0b7800,200,de0b783c,e6a5b97c,...) at
ufsdirhash_acquire+0x35
ufsdirhash_add(c512fb54,e6a5ba0c,83c,e6a5b968,e6a5b96c,...) at
ufsdirhash_add+0x13
ufs_direnter(c5167218,0,e6a5ba0c,e6a5bba0,0,...) at ufs_direnter+0x729
ufs_rename(e6a5bc1c,0,c51b7b84,e6a5bbc8,0,...) at ufs_rename+0x717
VOP_RENAME_APV(c0bae360,e6a5bc1c,0,1,e6a5bba0,...) at VOP_RENAME_APV+0xa5
kern_renameat(c4a2f900,ffffff9c,2992b3a0,ffffff9c,29922880,...) at
kern_renameat+0x307
kern_rename(c4a2f900,2992b3a0,29922880,0,e6a5bd2c,...) at kern_rename+0x36
rename(c4a2f900,e6a5bcf8,8,c0addc93,c0b8d840,...) at rename+0x29
syscall(e6a5bd38) at syscall+0x2a3
Xint0x80_syscall() at Xint0x80_syscall+0x20
--- syscall (128, FreeBSD ELF32, rename), eip = 0x2954475b, esp =
0xbfbf98dc, ebp = 0xbfbf9988 ---
IPv4 address: "192.168.1.191" is not on the network
lock order reversal:
1st 0xc464337c ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2083
2nd 0xd81d14b0 bufwait (bufwait) @ /usr/src/sys/ufs/ffs/ffs_softdep.c:6177
3rd 0xc673a7ac ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2083
KDB: stack backtrace:
db_trace_self_wrapper(c0abf50f,e6b103cc,c07ab3b5,c079c13b,c0ac23fb,...)
at db_trace_self_wrapper+0x26
kdb_backtrace(c079c13b,c0ac23fb,c4122e90,c4126290,e6b10428,...) at
kdb_backtrace+0x29
_witness_debugger(c0ac23fb,c673a7ac,c0ab4f66,c4126290,c0ac96be,...) at
_witness_debugger+0x25
witness_checkorder(c673a7ac,9,c0ac96be,823,0,...) at
witness_checkorder+0x839
__lockmgr_args(c673a7ac,80100,c673a7c8,0,0,...) at __lockmgr_args+0x7a7
ffs_lock(e6b10538,c07ab15b,c0ac8bb1,80100,c673a754,...) at ffs_lock+0x8a
VOP_LOCK1_APV(c0bae360,e6b10538,c4c08524,c0bc5660,c673a754,...) at
VOP_LOCK1_APV+0xb5
_vn_lock(c673a754,80100,c0ac96be,823,4,...) at _vn_lock+0x5e
vget(c673a754,80100,c4c08480,50,0,...) at vget+0xb9
vfs_hash_get(c46e1508,18ef074,80000,c4c08480,e6b10694,...) at
vfs_hash_get+0xe6
ffs_vgetf(c46e1508,18ef074,80000,e6b10694,1,...) at ffs_vgetf+0x49
softdep_sync_metadata(c4643324,0,c0ae2efa,146,0,...) at
softdep_sync_metadata+0x5ba
ffs_syncvnode(c4643324,1,c0abaa2c,c0ab45da,3,...) at ffs_syncvnode+0x3e2
ffs_truncate(c4643324,600,0,880,c465d280,...) at ffs_truncate+0x66a
ufs_direnter(c4643324,c673a754,e6b10a1c,e6b10c00,d82ec1d0,...) at
ufs_direnter+0x8f6
ufs_mkdir(e6b10c28,e6b10c3c,0,0,e6b10b6c,...) at ufs_mkdir+0x8a7
VOP_MKDIR_APV(c0bae360,e6b10c28,e6b10c00,e6b10b6c,0,...) at
VOP_MKDIR_APV+0xa5
kern_mkdirat(c4c08480,ffffff9c,804c2e8,0,41fd,...) at kern_mkdirat+0x22b
kern_mkdir(c4c08480,804c2e8,0,41fd,e6b10d2c,...) at kern_mkdir+0x2e
mkdir(c4c08480,e6b10cf8,8,c0ac2cbd,c0b8d920,...) at mkdir+0x29
syscall(e6b10d38) at syscall+0x2a3
Xint0x80_syscall() at Xint0x80_syscall+0x20
--- syscall (136, FreeBSD ELF32, mkdir), eip = 0x2816c973, esp =
0xbfbfe5cc, ebp = 0xbfbfe748 ---
--
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