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Date:      Sat, 19 Mar 2016 21:58:39 +0100
From:      Florian Limberger <flo@snakeoilproductions.net>
To:        freebsd-current <freebsd-current@freebsd.org>, freebsd-x11@freebsd.org
Subject:   Panic on r297039 with nvidia-driver-340.93 and KDE5
Message-ID:  <56EDBD7F.4020108@snakeoilproductions.net>

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Hi,

I updated today to:
 > FreeBSD 11.0-CURRENT (GENERIC) #2 r297039+43ceb1f(master):
 > Sat Mar 19 12:06:37 CET 2016

and as always I recompiled the nvidia-driver-340, which updated from 
340.76 to 340.93  Now I get reliable panics when starting KDE5 (from 
area51).  An older version of dwm (self-compiled) is running fine.

I omitted the later frame adresses, I typed this off a photo, I missed 
to create a crash dump, but I can provide one if it is needed:
 > panic: ufs_dirbad: /usr/home: bad dir ino 6742590 at offset 512:
 > mangled entry
 > cpuid = 1
 > KDB: stack backtrace:
 > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame
 > 0xfffffe01174954a0
 > vpanic()
 > ufs_lookup_ino()
 > VOP_CACHEDLOOKUP_APV()
 > vfs_cache_lookup()
 > VOP_LOOKUP_APV()
 > lookup()
 > namei()
 > kern_statat()
 > sys_stat()
 > amd64_syscall()
 > xfast_syscall()

The hardware is a Lenovo ThinkPad T410 with a NVIDIA NVS 3100M, dmesg is 
provided below.
Is anyone else seeing this and how could I fix this?

Regards,


florian


 > Copyright (c) 1992-2016 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 11.0-CURRENT #2 r297039+43ceb1f(master): Sat Mar 19 12:06:37 
CET 2016
 >     root@nachtschatten.purplekraken.com:/usr/obj/usr/src/sys/GENERIC 
amd64
 > FreeBSD clang version 3.8.0 (tags/RELEASE_380/final 262564) (based on 
LLVM 3.8.0)
 > WARNING: WITNESS option enabled, expect reduced performance.
 > VT(vga): resolution 640x480
 > can't re-use a leaf (hwpstate_verbose)!
 > module_register: cannot register cpu/ichss from kernel; already 
loaded from cpufreq.ko
 > Module cpu/ichss failed to register: 17
 > module_register: cannot register cpu/powernow from kernel; already 
loaded from cpufreq.ko
 > Module cpu/powernow failed to register: 17
 > module_register: cannot register cpu/est from kernel; already loaded 
from cpufreq.ko
 > Module cpu/est failed to register: 17
 > module_register: cannot register cpu/hwpstate from kernel; already 
loaded from cpufreq.ko
 > Module cpu/hwpstate failed to register: 17
 > module_register: cannot register cpu/p4tcc from kernel; already 
loaded from cpufreq.ko
 > Module cpu/p4tcc failed to register: 17
 > CPU: Intel(R) Core(TM) i5 CPU       M 560  @ 2.67GHz (2660.07-MHz 
K8-class CPU)
 >   Origin="GenuineIntel"  Id=0x20655  Family=0x6  Model=0x25  Stepping=5
 > 
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=0x29ae3ff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,POPCNT,AESNI>
 >   AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM>
 >   AMD Features2=0x1<LAHF>
 >   VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID
 >   TSC: P-state invariant, performance statistics
 > real memory  = 4294967296 (4096 MB)
 > avail memory = 3929866240 (3747 MB)
 > ACPI APIC Table: <LENOVO TP-6I   >
 > FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
 > FreeBSD/SMP: 1 package(s) x 2 core(s) x 2 SMT threads
 >  cpu0 (BSP): APIC ID:  0
 >  cpu1 (AP): APIC ID:  1
 >  cpu2 (AP): APIC ID:  4
 >  cpu3 (AP): APIC ID:  5
 > random: unblocking device.
 > ACPI BIOS Warning (bug): 32/64X length mismatch in 
FADT/Pm1aControlBlock: 16/32 (20150818/tbfadt-649)
 > ACPI BIOS Warning (bug): Invalid length for FADT/Pm1aControlBlock: 
32, using default 16 (20150818/tbfadt-730)
 > ioapic0: Changing APIC ID to 1
 > ioapic0 <Version 2.0> irqs 0-23 on motherboard
 > random: entropy device external interface
 > kbd1 at kbdmux0
 > netmap: loaded module
 > module_register_init: MOD_LOAD (vesa, 0xffffffff80f00bf0, 0) error 19
 > vtvga0: <VT VGA driver> on motherboard
 > cryptosoft0: <software crypto> on motherboard
 > acpi0: <LENOVO TP-6I> on motherboard
 > acpi_ec0: <Embedded Controller: GPE 0x11, ECDT> port 0x62,0x66 on acpi0
 > acpi0: Power Button (fixed)
 > cpu0: <ACPI CPU> on acpi0
 > cpu1: <ACPI CPU> on acpi0
 > cpu2: <ACPI CPU> on acpi0
 > cpu3: <ACPI CPU> on acpi0
 > attimer0: <AT timer> port 0x40-0x43 irq 0 on acpi0
 > Timecounter "i8254" frequency 1193182 Hz quality 0
 > Event timer "i8254" frequency 1193182 Hz quality 100
 > hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
 > Timecounter "HPET" frequency 14318180 Hz quality 950
 > Event timer "HPET" frequency 14318180 Hz quality 550
 > Event timer "HPET1" frequency 14318180 Hz quality 440
 > Event timer "HPET2" frequency 14318180 Hz quality 440
 > Event timer "HPET3" frequency 14318180 Hz quality 440
 > Event timer "HPET4" frequency 14318180 Hz quality 440
 > atrtc0: <AT realtime clock> port 0x70-0x71 irq 8 on acpi0
 > Event timer "RTC" frequency 32768 Hz quality 0
 > Timecounter "ACPI-safe" frequency 3579545 Hz quality 850
 > acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
 > acpi_lid0: <Control Method Lid Switch> on acpi0
 > acpi_button0: <Sleep Button> on acpi0
 > pcib0: <ACPI Host-PCI bridge> on acpi0
 > pci0: <ACPI PCI bus> on pcib0
 > pcib1: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
 > pci1: <ACPI PCI bus> on pcib1
 > pcib2: <ACPI PCI-PCI bridge> irq 16 at device 1.0 on pci1
 > pci2: <ACPI PCI bus> on pcib2
 > vgapci0: <VGA-compatible display> port 0x2000-0x207f mem 
0xcc000000-0xccffffff,0xd0000000-0xdfffffff,0xce000000-0xcfffffff irq 16 
at device 0.0 on pci2
 > nvidia0: <NVS 3100M> on vgapci0
 > vgapci0: child nvidia0 requested pci_enable_io
 > vgapci0: child nvidia0 requested pci_enable_io
 > vgapci0: Boot video device
 > hdac0: <NVIDIA (0x0be3) HDA Controller> mem 0xcdefc000-0xcdefffff at 
device 0.1 on pci2
 > pci1: <simple comms> at device 22.0 (no driver attached)
 > uart2: <5 Series/3400 Series Chipset KT Controller> port 
0x1800-0x1807 mem 0xf2424000-0xf2424fff irq 17 at device 22.3 on pci1
 > em0: <Intel(R) PRO/1000 Network Connection 7.6.1-k> port 
0x1820-0x183f mem 0xf2400000-0xf241ffff,0xf2425000-0xf2425fff irq 20 at 
device 25.0 on pci1
 > em0: Using an MSI interrupt
 > em0: Ethernet address: f0:de:f1:46:1b:8c
 > em0: netmap queues/slots: TX 1/1024, RX 1/1024
 > ehci0: <Intel PCH USB 2.0 controller USB-B> mem 0xf2428000-0xf24283ff 
irq 23 at device 26.0 on pci1
 > usbus0: EHCI version 1.0
 > usbus0 on ehci0
 > hdac1: <Intel 5 Series/3400 Series HDA Controller> mem 
0xf2420000-0xf2423fff irq 17 at device 27.0 on pci1
 > pcib3: <ACPI PCI-PCI bridge> irq 20 at device 28.0 on pci1
 > pci3: <ACPI PCI bus> on pcib3
 > pcib4: <ACPI PCI-PCI bridge> irq 21 at device 28.1 on pci1
 > pci4: <ACPI PCI bus> on pcib4
 > iwn0: <Intel Centrino Ultimate-N 6300> mem 0xf2000000-0xf2001fff irq 
17 at device 0.0 on pci4
 > pcib5: <ACPI PCI-PCI bridge> irq 20 at device 28.4 on pci1
 > pci5: <ACPI PCI bus> on pcib5
 > sdhci_pci0: <RICOH R5CE822 SD> mem 0xf2100000-0xf21000ff irq 16 at 
device 0.0 on pci5
 > sdhci_pci0: 1 slot(s) allocated
 > ehci1: <Intel PCH USB 2.0 controller USB-A> mem 0xf2428400-0xf24287ff 
irq 19 at device 29.0 on pci1
 > usbus1: EHCI version 1.0
 > usbus1 on ehci1
 > pcib6: <ACPI PCI-PCI bridge> at device 30.0 on pci1
 > pci6: <ACPI PCI bus> on pcib6
 > isab0: <PCI-ISA bridge> at device 31.0 on pci1
 > isa0: <ISA bus> on isab0
 > ahci0: <Intel 5 Series/3400 Series AHCI SATA controller> port 
0x1818-0x181f,0x180c-0x180f,0x1810-0x1817,0x1808-0x180b,0x1840-0x185f 
mem 0xf2427000-0xf24277ff irq 16 at device 31.2 on pci1
 > ahci0: AHCI v1.30 with 6 3Gbps ports, Port Multiplier not supported
 > ahcich0: <AHCI channel> at channel 0 on ahci0
 > ahcich1: <AHCI channel> at channel 1 on ahci0
 > ahcich4: <AHCI channel> at channel 4 on ahci0
 > ahcich5: <AHCI channel> at channel 5 on ahci0
 > ahciem0: <AHCI enclosure management bridge> on ahci0
 > acpi_tz0: <Thermal Zone> on acpi0
 > atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
 > atkbd0: <AT Keyboard> irq 1 on atkbdc0
 > kbd0 at atkbd0
 > atkbd0: [GIANT-LOCKED]
 > psm0: <PS/2 Mouse> irq 12 on atkbdc0
 > psm0: [GIANT-LOCKED]
 > psm0: model Generic PS/2 mouse, device ID 0
 > battery0: <ACPI Control Method Battery> on acpi0
 > acpi_acad0: <AC Adapter> on acpi0
 > acpi_ibm0: <IBM ThinkPad ACPI Extras> on acpi0
 > orm0: <ISA Option ROMs> at iomem 
0xd0000-0xd0fff,0xd1000-0xd1fff,0xdd000-0xdffff,0xe0000-0xeffff on isa0
 > ppc0: cannot reserve I/O port range
 > coretemp0: <CPU On-Die Thermal Sensors> on cpu0
 > est0: <Enhanced SpeedStep Frequency Control> on cpu0
 > coretemp1: <CPU On-Die Thermal Sensors> on cpu1
 > est1: <Enhanced SpeedStep Frequency Control> on cpu1
 > coretemp2: <CPU On-Die Thermal Sensors> on cpu2
 > est2: <Enhanced SpeedStep Frequency Control> on cpu2
 > coretemp3: <CPU On-Die Thermal Sensors> on cpu3
 > est3: <Enhanced SpeedStep Frequency Control> on cpu3
 > usbus0: 480Mbps High Speed USB v2.0
 > Timecounters tick every 10.000 msec
 > hdacc0: <NVIDIA GT21x HDA CODEC> at cad 0 on hdac0
 > hdaa0: <NVIDIA GT21x Audio Function Group> at nid 1 on hdacc0
 > pcm0: <NVIDIA GT21x (HDMI/DP 8ch)> at nid 5 on hdaa0
 > hdacc1: <NVIDIA GT21x HDA CODEC> at cad 1 on hdac0
 > hdaa1: <NVIDIA GT21x Audio Function Group> at nid 1 on hdacc1
 > pcm1: <NVIDIA GT21x (HDMI/DP 8ch)> at nid 5 on hdaa1
 > hdacc2: <NVIDIA GT21x HDA CODEC> at cad 2 on hdac0
 > hdaa2: <NVIDIA GT21x Audio Function Group> at nid 1 on hdacc2
 > pcm2: <NVIDIA GT21x (HDMI/DP 8ch)> at nid 5 on hdaa2
 > hdacc3: <NVIDIA GT21x HDA CODEC> at cad 3 on hdac0
 > hdaa3: <NVIDIA GT21x Audio Function Group> at nid 1 on hdacc3
 > pcm3: <NVIDIA GT21x (HDMI/DP 8ch)> at nid 5 on hdaa3
 > hdacc4: <Conexant CX20585 HDA CODEC> at cad 0 on hdac1
 > hdaa4: <Conexant CX20585 Audio Function Group> at nid 1 on hdacc4
 > pcm4: <Conexant CX20585 (Right Analog)> at nid 25 and 27 on hdaa4
 > pcm5: <Conexant CX20585 (Internal Analog)> at nid 31 and 35 on hdaa4
 > usbus1: 480Mbps High Speed USB v2.0
 > ugen1.1: <Intel> at usbus1
 > uhub0: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus1
 > ugen0.1: <Intel> at usbus0
 > uhub1: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus0
 > ses0 at ahciem0 bus 0 scbus4 target 0 lun 0
 > ses0: <AHCI SGPIO Enclosure 1.00 0001> SEMB S-E-S 2.00 device
 > ses0: SEMB SES Device
 > ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
 > ada0: <WDC WD3200BEVT-08A23T1 02.01A02> ATA8-ACS SATA 2.x device
 > ada0: Serial Number WD-WXD1A1154275
 > ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
 > ada0: Command Queueing enabled
 > ada0: 305245MB (625142448 512 byte sectors)
 > cd0 at ahcich1 bus 0 scbus1 target 0 lun 0
 > cd0: <Optiarc DVD RW AD-7930H 1.D1> Removable CD-ROM SCSI device
 > cd0: 150.000MB/s transfers (SATA 1.x, UDMA5, ATAPI 12bytes, PIO 
8192bytes)
 > cd0: Attempt to query device size failed: NOT READY, Medium not 
present - tray closed
 > SMP: AP CPU #1 Launched!
 > SMP: AP CPU #3 Launched!
 > SMP: AP CPU #2 Launched!
 > Timecounter "TSC-low" frequency 1330036109 Hz quality 1000
 > WARNING: WITNESS option enabled, expect reduced performance.
 > Trying to mount root from ufs:/dev/ada0p3 [rw]...
 > WARNING: / was not properly dismounted
 > WARNING: /: mount pending error: blocks 288 files 2
 > uhub1: 3 ports with 3 removable, self powered
 > uhub0: 3 ports with 3 removable, self powered
 > ugen1.2: <vendor 0x8087> at usbus1
 > uhub2: <vendor 0x8087 product 0x0020, class 9/0, rev 2.00/0.00, addr 
2> on usbus1
 > ugen0.2: <vendor 0x8087> at usbus0
 > uhub3: <vendor 0x8087 product 0x0020, class 9/0, rev 2.00/0.00, addr 
2> on usbus0
 > uhub3: 6 ports with 6 removable, self powered
 > uhub2: 8 ports with 8 removable, self powered
 > ugen0.3: <Broadcom Corp> at usbus0
 > ugen0.4: <Chicony Electronics Co., Ltd.> at usbus0
 > wlan0: Ethernet address: 00:24:d7:91:b5:44
 > iwn0: iwn_read_firmware: ucode rev=0x09dd0401
 > iwn0:
 > wlan0: link state changed to UP
 > iwn_intr: fatal firmware error
 > firmware error log:
 >   error type      = "BAD_COMMAND" (0x00000007)
 >   program counter = 0x00000D38
 >   source line     = 0x00000463
 >   error data      = 0x0000000000000000
 >   branch link     = 0x00000D3600000D36
 >   interrupt link  = 0x0000153200000000
 >   time            = 239318
 > driver status:
 >   tx ring  0: qid=0  cur=0   queued=0
 >   tx ring  1: qid=1  cur=0   queued=0
 >   tx ring  2: qid=2  cur=0   queued=0
 >   tx ring  3: qid=3  cur=2   queued=0
 >   tx ring  4: qid=4  cur=74  queued=0
 >   tx ring  5: qid=5  cur=0   queued=0
 >   tx ring  6: qid=6  cur=0   queued=0
 >   tx ring  7: qid=7  cur=0   queued=0
 >   tx ring  8: qid=8  cur=0   queued=0
 >   tx ring  9: qid=9  cur=0   queued=0
 >   tx ring 10: qid=10 cur=0   queued=0
 >   tx ring 11: qid=11 cur=0   queued=0
 >   tx ring 12: qid=12 cur=0   queued=0
 >   tx ring 13: qid=13 cur=0   queued=0
 >   tx ring 14: qid=14 cur=0   queued=0
 >   tx ring 15: qid=15 cur=0   queued=0
 >   tx ring 16: qid=16 cur=0   queued=0
 >   tx ring 17: qid=17 cur=0   queued=0
 >   tx ring 18: qid=18 cur=0   queued=0
 >   tx ring 19: qid=19 cur=0   queued=0
 >   rx ring: cur=59
 > iwn0: iwn_panicked: controller panicked, iv_state = 5; resetting...
 > iwn0: iwn_read_firmware: ucode rev=0x09dd0401
 > ubt0: <Broadcom Corp Broadcom Bluetooth Device, class 224/1, rev 
2.00/3.60, addr 3> on usbus0
 > WARNING: attempt to domain_add(bluetooth) after domainfinalize()
 > WARNING: attempt to domain_add(netgraph) after domainfinalize()
 > iwn0: null_update_chw: need callback
 > iwn0: null_update_chw: need callback
 > nvidia0: detached
 > lock order reversal:
 >  1st 0xfffffe00ed6c9100 bufwait (bufwait) @ 
/usr/src/sys/kern/vfs_bio.c:3488
 >  2nd 0xfffff80003e7a400 dirhash (dirhash) @ 
/usr/src/sys/ufs/ufs/ufs_dirhash.c:281
 > stack backtrace:
 > #0 0xffffffff80a8e9a0 at witness_debugger+0x70
 > #1 0xffffffff80a8e894 at witness_checkorder+0xe54
 > #2 0xffffffff80a3a2e2 at _sx_xlock+0x72
 > #3 0xffffffff80cdfdbd at ufsdirhash_add+0x3d
 > #4 0xffffffff80ce2b85 at ufs_direnter+0x4c5
 > #5 0xffffffff80ceb179 at ufs_mkdir+0x8a9
 > #6 0xffffffff80fde597 at VOP_MKDIR_APV+0xf7
 > #7 0xffffffff80af8bf8 at kern_mkdirat+0x208
 > #8 0xffffffff80e89e1b at amd64_syscall+0x2db
 > #9 0xffffffff80e6975b at Xfast_syscall+0xfb
 > lock order reversal:
 >  1st 0xfffff80043e5c5f0 ufs (ufs) @ /usr/src/sys/kern/vfs_lookup.c:530
 >  2nd 0xfffffe00ece75e40 bufwait (bufwait) @ 
/usr/src/sys/ufs/ffs/ffs_vnops.c:263
 >  3rd 0xfffff801277ddd50 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2498
 > stack backtrace:
 > #0 0xffffffff80a8e9a0 at witness_debugger+0x70
 > #1 0xffffffff80a8e894 at witness_checkorder+0xe54
 > #2 0xffffffff80a0b1c6 at __lockmgr_args+0x4d6
 > #3 0xffffffff80cdaa76 at ffs_lock+0xa6
 > #4 0xffffffff80fdef40 at VOP_LOCK1_APV+0x100
 > #5 0xffffffff80afb78a at _vn_lock+0x9a
 > #6 0xffffffff80aebdc3 at vget+0x63
 > #7 0xffffffff80ade79c at vfs_hash_get+0xcc
 > #8 0xffffffff80cd61b0 at ffs_vgetf+0x40
 > #9 0xffffffff80ccdaa1 at softdep_sync_buf+0xb51
 > #10 0xffffffff80cdb666 at ffs_syncvnode+0x256
 > #11 0xffffffff80cb1f95 at ffs_truncate+0x8f5
 > #12 0xffffffff80ce2d0f at ufs_direnter+0x64f
 > #13 0xffffffff80cec029 at ufs_makeinode+0x5e9
 > #14 0xffffffff80ce7bc3 at ufs_create+0x33
 > #15 0xffffffff80fdc9a1 at VOP_CREATE_APV+0xf1
 > #16 0xffffffff80afafd8 at vn_open_cred+0x2f8
 > #17 0xffffffff80af438c at kern_openat+0x25c
 > nvidia0: <NVS 3100M> on vgapci0
 > vgapci0: child nvidia0 requested pci_enable_io
 > vgapci0: child nvidia0 requested pci_enable_io
 > acquiring duplicate lock of same type: "os.lock_sx"
 >  1st os.lock_sx @ nvidia_os.c:603
 >  2nd os.lock_sx @ nvidia_os.c:603
 > stack backtrace:
 > #0 0xffffffff80a8e9a0 at witness_debugger+0x70
 > #1 0xffffffff80a8e894 at witness_checkorder+0xe54
 > #2 0xffffffff80a3a2e2 at _sx_xlock+0x72
 > #3 0xffffffff8362c2f2 at os_acquire_mutex+0x32
 > #4 0xffffffff83617eb8 at _nv013366rm+0x18
 > ACPI Warning: \134_SB_.PCI0.PEG_.VID_._DSM: Argument #4 type mismatch 
- Found [Buffer], ACPI requires [Package] (20150818/nsarguments-97)
 > ACPI Warning: \134_SB_.PCI0.PEG_.VID_._DSM: Argument #4 type mismatch 
- Found [Buffer], ACPI requires [Package] (20150818/nsarguments-97)
 > ACPI Warning: \134_SB_.PCI0.PEG_.VID_._DSM: Argument #4 type mismatch 
- Found [Buffer], ACPI requires [Package] (20150818/nsarguments-97)
 > ACPI Warning: \134_SB_.PCI0.PEG_.VID_._DSM: Argument #4 type mismatch 
- Found [Buffer], ACPI requires [Package] (20150818/nsarguments-97)
 > ACPI Warning: \134_SB_.PCI0.PEG_.VID_._DSM: Argument #4 type mismatch 
- Found [Buffer], ACPI requires [Package] (20150818/nsarguments-97)
 > ACPI Warning: \134_SB_.PCI0.PEG_.VID_._DSM: Argument #4 type mismatch 
- Found [Buffer], ACPI requires [Package] (20150818/nsarguments-97)
 > ACPI Warning: \134_SB_.PCI0.PEG_.VID_._DSM: Argument #4 type mismatch 
- Found [Buffer], ACPI requires [Package] (20150818/nsarguments-97)
 > ACPI Warning: \134_SB_.PCI0.PEG_.VID_._DSM: Argument #4 type mismatch 
- Found [Buffer], ACPI requires [Package] (20150818/nsarguments-97)
 > ACPI Warning: \134_SB_.PCI0.PEG_.VID_._DSM: Argument #4 type mismatch 
- Found [Buffer], ACPI requires [Package] (20150818/nsarguments-97)
 > acquiring duplicate lock of same type: "os.lock_mtx"
 >  1st os.lock_mtx @ nvidia_os.c:777
 >  2nd os.lock_mtx @ nvidia_os.c:777
 > stack backtrace:
 > #0 0xffffffff80a8e9a0 at witness_debugger+0x70
 > #1 0xffffffff80a8e894 at witness_checkorder+0xe54
 > #2 0xffffffff80a14454 at __mtx_lock_flags+0xa4
 > #3 0xffffffff8362c64b at os_acquire_spinlock+0x1b
 > #4 0xffffffff833adf15 at _nv015308rm+0xce5
 > NVRM: GPU at PCI:0000:01:00: GPU-29a322f4-74c9-1c99-3dbb-0048333ae34a
 > NVRM: Xid (PCI:0000:01:00): 57, Failed shmoo sddr3 link training
 > lock order reversal:
 >  1st 0xfffff800082df490 filedesc structure (filedesc structure) @ 
/usr/src/sys/kern/kern_descrip.c:1231
 >  2nd 0xfffff801275e1d50 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:4829
 > stack backtrace:
 > #0 0xffffffff80a8e9a0 at witness_debugger+0x70
 > #1 0xffffffff80a8e894 at witness_checkorder+0xe54
 > #2 0xffffffff80a0b1c6 at __lockmgr_args+0x4d6
 > #3 0xffffffff80cdaa76 at ffs_lock+0xa6
 > #4 0xffffffff80fdef40 at VOP_LOCK1_APV+0x100
 > #5 0xffffffff80afb78a at _vn_lock+0x9a
 > #6 0xffffffff809ec34e at knlist_remove_kq+0x7e
 > #7 0xffffffff80af2478 at filt_vfsdetach+0x28
 > #8 0xffffffff809ecc17 at knote_fdclose+0xc7
 > #9 0xffffffff809e0ca5 at closefp+0x65
 > #10 0xffffffff80e89e1b at amd64_syscall+0x2db
 > #11 0xffffffff80e6975b at Xfast_syscall+0xfb
 > panic: ufs_dirbad: /usr/home: bad dir ino 6742590 at offset 512: 
mangled entry
 > cpuid = 1
 > KDB: stack backtrace:
 > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 
0xfffffe01174954a0
 > vpanic() at vpanic+0x182/frame 0xfffffe0117495520
 > panic() at panic+0x43/frame 0xfffffe0117495580
 > ufs_lookup_ino() at ufs_lookup_ino+0xeaa/frame 0xfffffe0117495680
 > VOP_CACHEDLOOKUP_APV() at VOP_CACHEDLOOKUP_APV+0xf1/frame 
0xfffffe01174956b0
 > vfs_cache_lookup() at vfs_cache_lookup+0xd6/frame 0xfffffe0117495710
 > VOP_LOOKUP_APV() at VOP_LOOKUP_APV+0xf1/frame 0xfffffe0117495740
 > lookup() at lookup+0x5a2/frame 0xfffffe01174957d0
 > namei() at namei+0x5ca/frame 0xfffffe0117495890
 > kern_statat() at kern_statat+0xa5/frame 0xfffffe0117495a40
 > sys_stat() at sys_stat+0x2d/frame 0xfffffe0117495ae0
 > amd64_syscall() at amd64_syscall+0x2db/frame 0xfffffe0117495bf0
 > Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe0117495bf0
 > --- syscall (188, FreeBSD ELF64, sys_stat), rip = 0x8071e0aea, rsp = 
0x7fffffffd1f8, rbp = 0x7fffffffd2d0 ---
 > KDB: enter: panic
 > Copyright (c) 1992-2016 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 11.0-CURRENT #2 r297039+43ceb1f(master): Sat Mar 19 12:06:37 
CET 2016
 >     root@nachtschatten.purplekraken.com:/usr/obj/usr/src/sys/GENERIC 
amd64
 > FreeBSD clang version 3.8.0 (tags/RELEASE_380/final 262564) (based on 
LLVM 3.8.0)
 > WARNING: WITNESS option enabled, expect reduced performance.
 > VT(vga): resolution 640x480
 > can't re-use a leaf (hwpstate_verbose)!
 > module_register: cannot register cpu/ichss from kernel; already 
loaded from cpufreq.ko
 > Module cpu/ichss failed to register: 17
 > module_register: cannot register cpu/powernow from kernel; already 
loaded from cpufreq.ko
 > Module cpu/powernow failed to register: 17
 > module_register: cannot register cpu/est from kernel; already loaded 
from cpufreq.ko
 > Module cpu/est failed to register: 17
 > module_register: cannot register cpu/hwpstate from kernel; already 
loaded from cpufreq.ko
 > Module cpu/hwpstate failed to register: 17
 > module_register: cannot register cpu/p4tcc from kernel; already 
loaded from cpufreq.ko
 > Module cpu/p4tcc failed to register: 17
 > CPU: Intel(R) Core(TM) i5 CPU       M 560  @ 2.67GHz (2660.07-MHz 
K8-class CPU)
 >   Origin="GenuineIntel"  Id=0x20655  Family=0x6  Model=0x25  Stepping=5
 > 
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=0x29ae3ff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,POPCNT,AESNI>
 >   AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM>
 >   AMD Features2=0x1<LAHF>
 >   VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID
 >   TSC: P-state invariant, performance statistics
 > real memory  = 4294967296 (4096 MB)
 > avail memory = 3929866240 (3747 MB)
 > ACPI APIC Table: <LENOVO TP-6I   >
 > FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
 > FreeBSD/SMP: 1 package(s) x 2 core(s) x 2 SMT threads
 >  cpu0 (BSP): APIC ID:  0
 >  cpu1 (AP): APIC ID:  1
 >  cpu2 (AP): APIC ID:  4
 >  cpu3 (AP): APIC ID:  5
 > random: unblocking device.
 > ACPI BIOS Warning (bug): 32/64X length mismatch in 
FADT/Pm1aControlBlock: 16/32 (20150818/tbfadt-649)
 > ACPI BIOS Warning (bug): Invalid length for FADT/Pm1aControlBlock: 
32, using default 16 (20150818/tbfadt-730)
 > ioapic0: Changing APIC ID to 1
 > ioapic0 <Version 2.0> irqs 0-23 on motherboard
 > random: entropy device external interface
 > kbd1 at kbdmux0
 > netmap: loaded module
 > module_register_init: MOD_LOAD (vesa, 0xffffffff80f00bf0, 0) error 19
 > vtvga0: <VT VGA driver> on motherboard
 > cryptosoft0: <software crypto> on motherboard
 > acpi0: <LENOVO TP-6I> on motherboard
 > acpi_ec0: <Embedded Controller: GPE 0x11, ECDT> port 0x62,0x66 on acpi0
 > acpi0: Power Button (fixed)
 > cpu0: <ACPI CPU> on acpi0
 > cpu1: <ACPI CPU> on acpi0
 > cpu2: <ACPI CPU> on acpi0
 > cpu3: <ACPI CPU> on acpi0
 > attimer0: <AT timer> port 0x40-0x43 irq 0 on acpi0
 > Timecounter "i8254" frequency 1193182 Hz quality 0
 > Event timer "i8254" frequency 1193182 Hz quality 100
 > hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
 > Timecounter "HPET" frequency 14318180 Hz quality 950
 > Event timer "HPET" frequency 14318180 Hz quality 550
 > Event timer "HPET1" frequency 14318180 Hz quality 440
 > Event timer "HPET2" frequency 14318180 Hz quality 440
 > Event timer "HPET3" frequency 14318180 Hz quality 440
 > Event timer "HPET4" frequency 14318180 Hz quality 440
 > atrtc0: <AT realtime clock> port 0x70-0x71 irq 8 on acpi0
 > Event timer "RTC" frequency 32768 Hz quality 0
 > Timecounter "ACPI-safe" frequency 3579545 Hz quality 850
 > acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
 > acpi_lid0: <Control Method Lid Switch> on acpi0
 > acpi_button0: <Sleep Button> on acpi0
 > pcib0: <ACPI Host-PCI bridge> on acpi0
 > pci0: <ACPI PCI bus> on pcib0
 > pcib1: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
 > pci1: <ACPI PCI bus> on pcib1
 > pcib2: <ACPI PCI-PCI bridge> irq 16 at device 1.0 on pci1
 > pci2: <ACPI PCI bus> on pcib2
 > vgapci0: <VGA-compatible display> port 0x2000-0x207f mem 
0xcc000000-0xccffffff,0xd0000000-0xdfffffff,0xce000000-0xcfffffff irq 16 
at device 0.0 on pci2
 > nvidia0: <NVS 3100M> on vgapci0
 > vgapci0: child nvidia0 requested pci_enable_io
 > vgapci0: child nvidia0 requested pci_enable_io
 > vgapci0: Boot video device
 > hdac0: <NVIDIA (0x0be3) HDA Controller> mem 0xcdefc000-0xcdefffff at 
device 0.1 on pci2
 > pci1: <simple comms> at device 22.0 (no driver attached)
 > uart2: <5 Series/3400 Series Chipset KT Controller> port 
0x1800-0x1807 mem 0xf2424000-0xf2424fff irq 17 at device 22.3 on pci1
 > em0: <Intel(R) PRO/1000 Network Connection 7.6.1-k> port 
0x1820-0x183f mem 0xf2400000-0xf241ffff,0xf2425000-0xf2425fff irq 20 at 
device 25.0 on pci1
 > em0: Using an MSI interrupt
 > em0: Ethernet address: f0:de:f1:46:1b:8c
 > em0: netmap queues/slots: TX 1/1024, RX 1/1024
 > ehci0: <Intel PCH USB 2.0 controller USB-B> mem 0xf2428000-0xf24283ff 
irq 23 at device 26.0 on pci1
 > usbus0: EHCI version 1.0
 > usbus0 on ehci0
 > hdac1: <Intel 5 Series/3400 Series HDA Controller> mem 
0xf2420000-0xf2423fff irq 17 at device 27.0 on pci1
 > pcib3: <ACPI PCI-PCI bridge> irq 20 at device 28.0 on pci1
 > pci3: <ACPI PCI bus> on pcib3
 > pcib4: <ACPI PCI-PCI bridge> irq 21 at device 28.1 on pci1
 > pci4: <ACPI PCI bus> on pcib4
 > iwn0: <Intel Centrino Ultimate-N 6300> mem 0xf2000000-0xf2001fff irq 
17 at device 0.0 on pci4
 > pcib5: <ACPI PCI-PCI bridge> irq 20 at device 28.4 on pci1
 > pci5: <ACPI PCI bus> on pcib5
 > sdhci_pci0: <RICOH R5CE822 SD> mem 0xf2100000-0xf21000ff irq 16 at 
device 0.0 on pci5
 > sdhci_pci0: 1 slot(s) allocated
 > ehci1: <Intel PCH USB 2.0 controller USB-A> mem 0xf2428400-0xf24287ff 
irq 19 at device 29.0 on pci1
 > usbus1: EHCI version 1.0
 > usbus1 on ehci1
 > pcib6: <ACPI PCI-PCI bridge> at device 30.0 on pci1
 > pci6: <ACPI PCI bus> on pcib6
 > isab0: <PCI-ISA bridge> at device 31.0 on pci1
 > isa0: <ISA bus> on isab0
 > ahci0: <Intel 5 Series/3400 Series AHCI SATA controller> port 
0x1818-0x181f,0x180c-0x180f,0x1810-0x1817,0x1808-0x180b,0x1840-0x185f 
mem 0xf2427000-0xf24277ff irq 16 at device 31.2 on pci1
 > ahci0: AHCI v1.30 with 6 3Gbps ports, Port Multiplier not supported
 > ahcich0: <AHCI channel> at channel 0 on ahci0
 > ahcich1: <AHCI channel> at channel 1 on ahci0
 > ahcich4: <AHCI channel> at channel 4 on ahci0
 > ahcich5: <AHCI channel> at channel 5 on ahci0
 > ahciem0: <AHCI enclosure management bridge> on ahci0
 > acpi_tz0: <Thermal Zone> on acpi0
 > atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
 > atkbd0: <AT Keyboard> irq 1 on atkbdc0
 > kbd0 at atkbd0
 > atkbd0: [GIANT-LOCKED]
 > psm0: <PS/2 Mouse> irq 12 on atkbdc0
 > psm0: [GIANT-LOCKED]
 > psm0: model Generic PS/2 mouse, device ID 0
 > battery0: <ACPI Control Method Battery> on acpi0
 > acpi_acad0: <AC Adapter> on acpi0
 > acpi_ibm0: <IBM ThinkPad ACPI Extras> on acpi0
 > orm0: <ISA Option ROMs> at iomem 
0xd0000-0xd0fff,0xd1000-0xd1fff,0xdd000-0xdffff,0xe0000-0xeffff on isa0
 > ppc0: cannot reserve I/O port range
 > coretemp0: <CPU On-Die Thermal Sensors> on cpu0
 > est0: <Enhanced SpeedStep Frequency Control> on cpu0
 > coretemp1: <CPU On-Die Thermal Sensors> on cpu1
 > est1: <Enhanced SpeedStep Frequency Control> on cpu1
 > coretemp2: <CPU On-Die Thermal Sensors> on cpu2
 > est2: <Enhanced SpeedStep Frequency Control> on cpu2
 > coretemp3: <CPU On-Die Thermal Sensors> on cpu3
 > est3: <Enhanced SpeedStep Frequency Control> on cpu3
 > usbus0: 480Mbps High Speed USB v2.0
 > Timecounters tick every 10.000 msec
 > hdacc0: <NVIDIA GT21x HDA CODEC> at cad 0 on hdac0
 > hdaa0: <NVIDIA GT21x Audio Function Group> at nid 1 on hdacc0
 > pcm0: <NVIDIA GT21x (HDMI/DP 8ch)> at nid 5 on hdaa0
 > hdacc1: <NVIDIA GT21x HDA CODEC> at cad 1 on hdac0
 > hdaa1: <NVIDIA GT21x Audio Function Group> at nid 1 on hdacc1
 > pcm1: <NVIDIA GT21x (HDMI/DP 8ch)> at nid 5 on hdaa1
 > hdacc2: <NVIDIA GT21x HDA CODEC> at cad 2 on hdac0
 > hdaa2: <NVIDIA GT21x Audio Function Group> at nid 1 on hdacc2
 > pcm2: <NVIDIA GT21x (HDMI/DP 8ch)> at nid 5 on hdaa2
 > hdacc3: <NVIDIA GT21x HDA CODEC> at cad 3 on hdac0
 > hdaa3: <NVIDIA GT21x Audio Function Group> at nid 1 on hdacc3
 > pcm3: <NVIDIA GT21x (HDMI/DP 8ch)> at nid 5 on hdaa3
 > hdacc4: <Conexant CX20585 HDA CODEC> at cad 0 on hdac1
 > hdaa4: <Conexant CX20585 Audio Function Group> at nid 1 on hdacc4
 > pcm4: <Conexant CX20585 (Right Analog)> at nid 25 and 27 on hdaa4
 > pcm5: <Conexant CX20585 (Internal Analog)> at nid 31 and 35 on hdaa4
 > usbus1: 480Mbps High Speed USB v2.0
 > ugen1.1: <Intel> at usbus1
 > uhub0: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus1
 > ugen0.1: <Intel> at usbus0
 > uhub1: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus0
 > ses0 at ahciem0 bus 0 scbus4 target 0 lun 0
 > ses0: <AHCI SGPIO Enclosure 1.00 0001> SEMB S-E-S 2.00 device
 > ses0: SEMB SES Device
 > ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
 > ada0: <WDC WD3200BEVT-08A23T1 02.01A02> ATA8-ACS SATA 2.x device
 > ada0: Serial Number WD-WXD1A1154275
 > ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
 > ada0: Command Queueing enabled
 > ada0: 305245MB (625142448 512 byte sectors)
 > cd0 at ahcich1 bus 0 scbus1 target 0 lun 0
 > cd0: <Optiarc DVD RW AD-7930H 1.D1> Removable CD-ROM SCSI device
 > cd0: 150.000MB/s transfers (SATA 1.x, UDMA5, ATAPI 12bytes, PIO 
8192bytes)
 > cd0: Attempt to query device size failed: NOT READY, Medium not 
present - tray closed
 > SMP: AP CPU #1 Launched!
 > SMP: AP CPU #2 Launched!
 > SMP: AP CPU #3 Launched!
 > Timecounter "TSC-low" frequency 1330035366 Hz quality 1000
 > WARNING: WITNESS option enabled, expect reduced performance.
 > Trying to mount root from ufs:/dev/ada0p3 [rw]...
 > WARNING: / was not properly dismounted
 > WARNING: /: mount pending error: blocks 0 files 1
 > uhub1: 3 ports with 3 removable, self powered
 > uhub0: 3 ports with 3 removable, self powered
 > ugen0.2: <vendor 0x8087> at usbus0
 > uhub2: <vendor 0x8087 product 0x0020, class 9/0, rev 2.00/0.00, addr 
2> on usbus0
 > ugen1.2: <vendor 0x8087> at usbus1
 > uhub3: <vendor 0x8087 product 0x0020, class 9/0, rev 2.00/0.00, addr 
2> on usbus1
 > uhub2: 6 ports with 6 removable, self powered
 > uhub3: 8 ports with 8 removable, self powered
 > ugen0.3: <Broadcom Corp> at usbus0
 > ugen0.4: <Chicony Electronics Co., Ltd.> at usbus0
 > wlan0: Ethernet address: 00:24:d7:91:b5:44
 > iwn0: iwn_read_firmware: ucode rev=0x09dd0401
 > wlan0: link state changed to UP
 > ubt0: <Broadcom Corp Broadcom Bluetooth Device, class 224/1, rev 
2.00/3.60, addr 3> on usbus0
 > wlan0: link state changed to DOWN
 > iwn0: device timeout
 > iwn0: iwn_read_firmware: ucode rev=0x09dd0401
 > WARNING: attempt to domain_add(bluetooth) after domainfinalize()
 > WARNING: attempt to domain_add(netgraph) after domainfinalize()
 > lock order reversal:
 >  1st 0xfffffe00ecc3db00 bufwait (bufwait) @ 
/usr/src/sys/kern/vfs_bio.c:3488
 >  2nd 0xfffff800438a9800 dirhash (dirhash) @ 
/usr/src/sys/ufs/ufs/ufs_dirhash.c:281
 > stack backtrace:
 > #0 0xffffffff80a8e9a0 at witness_debugger+0x70
 > #1 0xffffffff80a8e894 at witness_checkorder+0xe54
 > #2 0xffffffff80a3a2e2 at _sx_xlock+0x72
 > #3 0xffffffff80cdfdbd at ufsdirhash_add+0x3d
 > #4 0xffffffff80ce2b85 at ufs_direnter+0x4c5
 > #5 0xffffffff80cec029 at ufs_makeinode+0x5e9
 > #6 0xffffffff80ce7bc3 at ufs_create+0x33
 > #7 0xffffffff80fdc9a1 at VOP_CREATE_APV+0xf1
 > #8 0xffffffff80afafd8 at vn_open_cred+0x2f8
 > #9 0xffffffff80af438c at kern_openat+0x25c
 > #10 0xffffffff80e89e1b at amd64_syscall+0x2db
 > #11 0xffffffff80e6975b at Xfast_syscall+0xfb
 > acquiring duplicate lock of same type: "os.lock_sx"
 >  1st os.lock_sx @ nvidia_os.c:603
 >  2nd os.lock_sx @ nvidia_os.c:603
 > stack backtrace:
 > #0 0xffffffff80a8e9a0 at witness_debugger+0x70
 > #1 0xffffffff80a8e894 at witness_checkorder+0xe54
 > #2 0xffffffff80a3a2e2 at _sx_xlock+0x72
 > #3 0xffffffff826612f2 at os_acquire_mutex+0x32
 > #4 0xffffffff8264ceb8 at _nv013366rm+0x18
 > ACPI Warning: \134_SB_.PCI0.PEG_.VID_._DSM: Argument #4 type mismatch 
- Found [Buffer], ACPI requires [Package] (20150818/nsarguments-97)
 > ACPI Warning: \134_SB_.PCI0.PEG_.VID_._DSM: Argument #4 type mismatch 
- Found [Buffer], ACPI requires [Package] (20150818/nsarguments-97)
 > ACPI Warning: \134_SB_.PCI0.PEG_.VID_._DSM: Argument #4 type mismatch 
- Found [Buffer], ACPI requires [Package] (20150818/nsarguments-97)
 > ACPI Warning: \134_SB_.PCI0.PEG_.VID_._DSM: Argument #4 type mismatch 
- Found [Buffer], ACPI requires [Package] (20150818/nsarguments-97)
 > ACPI Warning: \134_SB_.PCI0.PEG_.VID_._DSM: Argument #4 type mismatch 
- Found [Buffer], ACPI requires [Package] (20150818/nsarguments-97)
 > ACPI Warning: \134_SB_.PCI0.PEG_.VID_._DSM: Argument #4 type mismatch 
- Found [Buffer], ACPI requires [Package] (20150818/nsarguments-97)
 > ACPI Warning: \134_SB_.PCI0.PEG_.VID_._DSM: Argument #4 type mismatch 
- Found [Buffer], ACPI requires [Package] (20150818/nsarguments-97)
 > ACPI Warning: \134_SB_.PCI0.PEG_.VID_._DSM: Argument #4 type mismatch 
- Found [Buffer], ACPI requires [Package] (20150818/nsarguments-97)
 > ACPI Warning: \134_SB_.PCI0.PEG_.VID_._DSM: Argument #4 type mismatch 
- Found [Buffer], ACPI requires [Package] (20150818/nsarguments-97)
 > acquiring duplicate lock of same type: "os.lock_mtx"
 >  1st os.lock_mtx @ nvidia_os.c:777
 >  2nd os.lock_mtx @ nvidia_os.c:777
 > stack backtrace:
 > #0 0xffffffff80a8e9a0 at witness_debugger+0x70
 > #1 0xffffffff80a8e894 at witness_checkorder+0xe54
 > #2 0xffffffff80a14454 at __mtx_lock_flags+0xa4
 > #3 0xffffffff8266164b at os_acquire_spinlock+0x1b
 > #4 0xffffffff823e2f15 at _nv015308rm+0xce5
 > NVRM: GPU at PCI:0000:01:00: GPU-29a322f4-74c9-1c99-3dbb-0048333ae34a
 > NVRM: Xid (PCI:0000:01:00): 57, Failed shmoo sddr3 link training
 > lock order reversal:
 >  1st 0xfffff801044f2418 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2498
 >  2nd 0xfffffe00ecdb16d0 bufwait (bufwait) @ 
/usr/src/sys/ufs/ffs/ffs_vnops.c:263
 >  3rd 0xfffff801047c0b78 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2498
 > stack backtrace:
 > #0 0xffffffff80a8e9a0 at witness_debugger+0x70
 > #1 0xffffffff80a8e894 at witness_checkorder+0xe54
 > #2 0xffffffff80a0b1c6 at __lockmgr_args+0x4d6
 > #3 0xffffffff80cdaa76 at ffs_lock+0xa6
 > #4 0xffffffff80fdef40 at VOP_LOCK1_APV+0x100
 > #5 0xffffffff80afb78a at _vn_lock+0x9a
 > #6 0xffffffff80aebdc3 at vget+0x63
 > #7 0xffffffff80ade79c at vfs_hash_get+0xcc
 > #8 0xffffffff80cd61b0 at ffs_vgetf+0x40
 > #9 0xffffffff80ccdaa1 at softdep_sync_buf+0xb51
 > #10 0xffffffff80cdb666 at ffs_syncvnode+0x256
 > #11 0xffffffff80cb1f95 at ffs_truncate+0x8f5
 > #12 0xffffffff80ce2d0f at ufs_direnter+0x64f
 > #13 0xffffffff80cec029 at ufs_makeinode+0x5e9
 > #14 0xffffffff80ce7bc3 at ufs_create+0x33
 > #15 0xffffffff80fdc9a1 at VOP_CREATE_APV+0xf1
 > #16 0xffffffff80afafd8 at vn_open_cred+0x2f8
 > #17 0xffffffff80af438c at kern_openat+0x25c
 > ifa_maintain_loopback_route: deletion failed for interface wlan0: 3
 > ifa_maintain_loopback_route: insertion failed for interface wlan0: 17
 > iwn0: iwn_read_firmware: ucode rev=0x09dd0401
 > ifa_maintain_loopback_route: deletion failed for interface wlan0: 3
 > ifa_maintain_loopback_route: insertion failed for interface wlan0: 17
 > iwn0: iwn_read_firmware: ucode rev=0x09dd0401
 > wlan0: link state changed to UP
 > iwn0: null_update_chw: need callback



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