FWIW, I'm seeing this too.  I've filed a PR:

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=210884

On 0707T0813, Larry Rosenman wrote:
> and now it's been up for 13+ hours.  I do have both VMCORE's from the 2 
> crashes.
> 
> 
> 
> On 2016-07-06 18:22, Larry Rosenman wrote:
> > Got a similar crash a few minutes later.
> > 
> > 
> > On 2016-07-06 18:17, Larry Rosenman wrote:
> >> First boot, and I got the following panic.  2nd boot ran just fine.
> >> 
> >> 
> >> borg.lerctr.org dumped core - see /var/crash/vmcore.0
> >> 
> >> Wed Jul  6 18:13:34 CDT 2016
> >> 
> >> FreeBSD borg.lerctr.org 11.0-ALPHA6 FreeBSD 11.0-ALPHA6 #5 r302379:
> >> Wed Jul  6 16:59:11 CDT 2016
> >> r...@borg.lerctr.org:/usr/obj/usr/src/sys/VT-LER  amd64
> >> 
> >> panic: bogus refcnt 0 on lle 0xfffff800aa941200
> >> 
> >> 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 "amd64-marcel-freebsd"...
> >> 
> >> Unread portion of the kernel message buffer:
> >> 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-ALPHA6 #5 r302379: Wed Jul  6 16:59:11 CDT 2016
> >>     r...@borg.lerctr.org:/usr/obj/usr/src/sys/VT-LER amd64
> >> FreeBSD clang version 3.8.0 (tags/RELEASE_380/final 262564) (based on
> >> LLVM 3.8.0)
> >> can't re-use a leaf (ixl_rx_miss_bufs)!
> >> MEMGUARD DEBUGGING ALLOCATOR INITIALIZED:
> >>    MEMGUARD map base: 0xfffffe0000400000
> >>    MEMGUARD map size: 128604256 KBytes
> >> VT(vga): resolution 640x480
> >> CPU: Intel(R) Xeon(R) CPU           E5410  @ 2.33GHz (2327.55-MHz 
> >> K8-class CPU)
> >>   Origin="GenuineIntel"  Id=0x10676  Family=0x6  Model=0x17  
> >> Stepping=6
> >> 
> >> 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=0xce3bd<SSE3,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,DCA,SSE4.1>
> >>   AMD Features=0x20100800<SYSCALL,NX,LM>
> >>   AMD Features2=0x1<LAHF>
> >>   VT-x: HLT,PAUSE
> >>   TSC: P-state invariant, performance statistics
> >> real memory  = 68719476736 (65536 MB)
> >> avail memory = 65382842368 (62353 MB)
> >> Event timer "LAPIC" quality 400
> >> ACPI APIC Table: <PTLTD     APIC  >
> >> FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs
> >> FreeBSD/SMP: 2 package(s) x 4 core(s)
> >> random: unblocking device.
> >> ioapic0 <Version 2.0> irqs 0-23 on motherboard
> >> ioapic1 <Version 2.0> irqs 24-47 on motherboard
> >> random: entropy device external interface
> >> netmap: loaded module
> >> module_register_init: MOD_LOAD (vesa, 0xffffffff80f2cb40, 0) error 19
> >> kbd1 at kbdmux0
> >> vtvga0: <VT VGA driver> on motherboard
> >> cryptosoft0: <software crypto> on motherboard
> >> acpi0: <PTLTD   RSDT> on motherboard
> >> acpi0: Power Button (fixed)
> >> unknown: I/O range not supported
> >> cpu0: <ACPI CPU> on acpi0
> >> cpu1: <ACPI CPU> on acpi0
> >> cpu2: <ACPI CPU> on acpi0
> >> cpu3: <ACPI CPU> on acpi0
> >> cpu4: <ACPI CPU> on acpi0
> >> cpu5: <ACPI CPU> on acpi0
> >> cpu6: <ACPI CPU> on acpi0
> >> cpu7: <ACPI CPU> on acpi0
> >> hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff irq 
> >> 0,8 on acpi0
> >> Timecounter "HPET" frequency 14318180 Hz quality 950
> >> Event timer "HPET" frequency 14318180 Hz quality 350
> >> Event timer "HPET1" frequency 14318180 Hz quality 340
> >> Event timer "HPET2" frequency 14318180 Hz quality 340
> >> atrtc0: <AT realtime clock> port 0x70-0x71 on acpi0
> >> Event timer "RTC" frequency 32768 Hz quality 0
> >> attimer0: <AT timer> port 0x40-0x43,0x50-0x53 on acpi0
> >> Timecounter "i8254" frequency 1193182 Hz quality 0
> >> Event timer "i8254" frequency 1193182 Hz quality 100
> >> Timecounter "ACPI-fast" frequency 3579545 Hz quality 900
> >> acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
> >> pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
> >> pci0: <ACPI PCI bus> on pcib0
> >> pcib1: <ACPI PCI-PCI bridge> at device 2.0 on pci0
> >> pci1: <ACPI PCI bus> on pcib1
> >> pcib2: <ACPI PCI-PCI bridge> irq 16 at device 0.0 on pci1
> >> pci2: <ACPI PCI bus> on pcib2
> >> pcib3: <ACPI PCI-PCI bridge> irq 16 at device 0.0 on pci2
> >> pci3: <ACPI PCI bus> on pcib3
> >> pcib4: <ACPI PCI-PCI bridge> at device 0.0 on pci3
> >> pci4: <ACPI PCI bus> on pcib4
> >> pcib5: <ACPI PCI-PCI bridge> at device 0.2 on pci3
> >> pci5: <ACPI PCI bus> on pcib5
> >> pcib6: <ACPI PCI-PCI bridge> irq 18 at device 2.0 on pci2
> >> pci6: <ACPI PCI bus> on pcib6
> >> em0: <Intel(R) PRO/1000 Network Connection 7.6.1-k> port 0x2000-0x201f
> >> mem 0xd9220000-0xd923ffff,0xd9200000-0xd921ffff irq 18 at device 0.0
> >> on pci6
> >> em0: Using an MSI interrupt
> >> em0: Ethernet address: 00:30:48:f2:29:9c
> >> em0: netmap queues/slots: TX 1/1024, RX 1/1024
> >> em1: <Intel(R) PRO/1000 Network Connection 7.6.1-k> port 0x2020-0x203f
> >> mem 0xd9260000-0xd927ffff,0xd9240000-0xd925ffff irq 19 at device 0.1
> >> on pci6
> >> em1: Using an MSI interrupt
> >> em1: Ethernet address: 00:30:48:f2:29:9d
> >> em1: netmap queues/slots: TX 1/1024, RX 1/1024
> >> pcib7: <ACPI PCI-PCI bridge> at device 0.3 on pci1
> >> pci7: <ACPI PCI bus> on pcib7
> >> pcib8: <ACPI PCI-PCI bridge> at device 4.0 on pci0
> >> pci8: <ACPI PCI bus> on pcib8
> >> vgapci0: <VGA-compatible display> port 0x3000-0x307f mem
> >> 0xd8000000-0xd8ffffff,0xc0000000-0xc7ffffff,0xc8000000-0xc9ffffff irq
> >> 36 at device 0.0 on pci8
> >> hdac0: <NVIDIA GF119 HDA Controller> mem 0xd9000000-0xd9003fff irq 37
> >> at device 0.1 on pci8
> >> pcib9: <ACPI PCI-PCI bridge> at device 6.0 on pci0
> >> pci9: <ACPI PCI bus> on pcib9
> >> pcib10: <ACPI PCI-PCI bridge> irq 17 at device 28.0 on pci0
> >> pcib10: [GIANT-LOCKED]
> >> pci10: <ACPI PCI bus> on pcib10
> >> pcib11: <PCI-PCI bridge> irq 32 at device 0.0 on pci10
> >> pci11: <PCI bus> on pcib11
> >> pcm0: <Envy24HT audio (Generic)> port 0x4080-0x409f,0x4000-0x407f irq
> >> 32 at device 0.0 on pci11
> >> pcm0: system configuration
> >>   SubVendorID: 0x1412, SubDeviceID: 0x2403
> >>   XIN2 Clock Source: 24.576MHz(96kHz*256)
> >>   MPU-401 UART(s) #: not implemented
> >>   ADC #: 1 and SPDIF receiver connected
> >>   DAC #: 4
> >>   Multi-track converter type: AC'97(SDATA_OUT:packed)
> >>   S/PDIF(IN/OUT): 1/1 ID# 0x00
> >>   GPIO(mask/dir/state): 0xff/0xff/0xff
> >> uhci0: <Intel 631XESB/632XESB/3100 USB controller USB-1> port
> >> 0x1800-0x181f irq 17 at device 29.0 on pci0
> >> usbus0 on uhci0
> >> uhci1: <Intel 631XESB/632XESB/3100 USB controller USB-2> port
> >> 0x1820-0x183f irq 19 at device 29.1 on pci0
> >> usbus1 on uhci1
> >> uhci2: <Intel 631XESB/632XESB/3100 USB controller USB-3> port
> >> 0x1840-0x185f irq 18 at device 29.2 on pci0
> >> usbus2 on uhci2
> >> ehci0: <Intel 63XXESB USB 2.0 controller> mem 0xd9600400-0xd96007ff
> >> irq 17 at device 29.7 on pci0
> >> usbus3: EHCI version 1.0
> >> usbus3 on ehci0
> >> pcib12: <ACPI PCI-PCI bridge> at device 30.0 on pci0
> >> pci12: <ACPI PCI bus> on pcib12
> >> vgapci1: <VGA-compatible display> port 0x5000-0x50ff mem
> >> 0xd0000000-0xd7ffffff,0xd9300000-0xd930ffff irq 18 at device 1.0 on
> >> pci12
> >> vgapci1: Boot video device
> >> isab0: <PCI-ISA bridge> at device 31.0 on pci0
> >> isa0: <ISA bus> on isab0
> >> atapci0: <Intel 63XXESB2 UDMA100 controller> port
> >> 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x1860-0x186f at device 31.1 on
> >> pci0
> >> ata0: <ATA channel> at channel 0 on atapci0
> >> ahci0: <Intel ESB2 AHCI SATA controller> port
> >> 0x18a0-0x18a7,0x1874-0x1877,0x1878-0x187f,0x1870-0x1873,0x1880-0x189f
> >> mem 0xd9600800-0xd9600bff irq 19 at device 31.2 on pci0
> >> ahci0: AHCI v1.10 with 6 3Gbps ports, Port Multiplier supported
> >> ahcich0: <AHCI channel> at channel 0 on ahci0
> >> ahcich1: <AHCI channel> at channel 1 on ahci0
> >> ahcich2: <AHCI channel> at channel 2 on ahci0
> >> ahcich3: <AHCI channel> at channel 3 on ahci0
> >> ahcich4: <AHCI channel> at channel 4 on ahci0
> >> ahcich5: <AHCI channel> at channel 5 on ahci0
> >> ichsmb0: <Intel 631xESB/6321ESB (ESB2) SMBus controller> port
> >> 0x1100-0x111f irq 19 at device 31.3 on pci0
> >> smbus0: <System Management Bus> on ichsmb0
> >> acpi_button0: <Power Button> on acpi0
> >> ipmi0: <IPMI System Interface> port 0xca2-0xca3 on acpi0
> >> ipmi0: KCS mode found at io 0xca2 on acpi
> >> atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
> >> atkbd0: <AT Keyboard> irq 1 on atkbdc0
> >> kbd0 at atkbd0
> >> atkbd0: [GIANT-LOCKED]
> >> uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on 
> >> acpi0
> >> uart1: <16550 or compatible> port 0x2f8-0x2ff irq 3 on acpi0
> >> fdc0: <floppy drive controller> port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on 
> >> acpi0
> >> 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
> >> ppbus0: <Parallel port bus> on ppc0
> >> lpt0: <Printer> on ppbus0
> >> lpt0: Interrupt-driven port
> >> ppi0: <Parallel I/O> on ppbus0
> >> ichwd0: <Intel 63XXESB watchdog timer> on isa0
> >> orm0: <ISA Option ROM> at iomem 0xc0000-0xcafff on isa0
> >> 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
> >> coretemp4: <CPU On-Die Thermal Sensors> on cpu4
> >> est4: <Enhanced SpeedStep Frequency Control> on cpu4
> >> coretemp5: <CPU On-Die Thermal Sensors> on cpu5
> >> est5: <Enhanced SpeedStep Frequency Control> on cpu5
> >> coretemp6: <CPU On-Die Thermal Sensors> on cpu6
> >> est6: <Enhanced SpeedStep Frequency Control> on cpu6
> >> coretemp7: <CPU On-Die Thermal Sensors> on cpu7
> >> est7: <Enhanced SpeedStep Frequency Control> on cpu7
> >> usbus0: 12Mbps Full Speed USB v1.0
> >> fuse-freebsd: version 0.4.4, FUSE ABI 7.8
> >> ZFS filesystem version: 5
> >> ZFS storage pool version: features support (5000)
> >> Timecounters tick every 1.000 msec
> >> nvme cam probe device init
> >> hdacc0: <NVIDIA (0x001c) HDA CODEC> at cad 0 on hdac0
> >> hdaa0: <NVIDIA (0x001c) Audio Function Group> at nid 1 on hdacc0
> >> pcm1: <NVIDIA (0x001c) (HDMI/DP 8ch)> at nid 4 on hdaa0
> >> pcm2: <NVIDIA (0x001c) (HDMI/DP 8ch)> at nid 5 on hdaa0
> >> ipmi0: IPMI device rev. 1, firmware rev. 1.64, version 2.0
> >> ipmi0: Number of channels 8
> >> ipmi0: Attached watchdog
> >> usbus1: 12Mbps Full Speed USB v1.0
> >> usbus2: 12Mbps Full Speed USB v1.0
> >> 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 UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on 
> >> usbus2
> >> usbus3: 480Mbps High Speed USB v2.0
> >> ugen3.1: <Intel> at usbus3
> >> uhub3: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on 
> >> usbus3
> >> ata0: DMA limited to UDMA33, controller found non-ATA66 cable
> >> uhub0: 2 ports with 2 removable, self powered
> >> uhub1: 2 ports with 2 removable, self powered
> >> uhub2: 2 ports with 2 removable, self powered
> >> ada0 at ahcich0 bus 0 scbus1 target 0 lun 0
> >> ada0: <ST4000DX001-1CE168 CC44> ACS-2 ATA SATA 3.x device
> >> cd0 at ata0 bus 0 scbus0 target 0 lun 0
> >> cd0: <Memorex DVD+-RAM 510L v1 MWS7> Removable CD-ROM SCSI device
> >> cd0: 33.300MB/s transfers (UDMA2, ATAPI 12bytes, PIO 65534bytes)
> >> cd0: Attempt to query device size failed: NOT READY, Medium not 
> >> present
> >> ada0: Serial Number Z3032MSL
> >> ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
> >> ada0: 3815447MB (7814037168 512 byte sectors)
> >> ada1 at ahcich1 bus 0 scbus2 target 0 lun 0
> >> ada1: <ST2000DL003-9VT166 CC3D> ATA8-ACS SATA 3.x device
> >> ada1: Serial Number 5YD6FPLG
> >> ada1: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
> >> ada1: 1907729MB (3907029168 512 byte sectors)
> >> ada1: quirks=0x1<4K>
> >> ada2 at ahcich2 bus 0 scbus3 target 0 lun 0
> >> ada2: <ST2000DL003-9VT166 CC32> ATA8-ACS SATA 3.x device
> >> ada2: Serial Number 5YDA3PC5
> >> ada2: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
> >> ada2: 1907729MB (3907029168 512 byte sectors)
> >> ada2: quirks=0x1<4K>
> >> ada3 at ahcich3 bus 0 scbus4 target 0 lun 0
> >> ada3: <TOSHIBA MD04ACA400 FP2A> ATA8-ACS SATA 3.x device
> >> ada3: Serial Number Y4ODK8VHFSBA
> >> ada3: 300.000MB/s transfers (SATA 2.x, UDMA5, PIO 8192bytes)
> >> ada3: 3815447MB (7814037168 512 byte sectors)
> >> ada4 at ahcich4 bus 0 scbus5 target 0 lun 0
> >> ada4: <ST4000DM000-1F2168 CC54> ACS-2 ATA SATA 3.x device
> >> ada4: Serial Number S30144ZV
> >> ada4: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
> >> ada4: 3815447MB (7814037168 512 byte sectors)
> >> ada4: quirks=0x1<4K>
> >> ada5 at ahcich5 bus 0 scbus6 target 0 lun 0
> >> ada5: <ST2000DL003-9VT166 CC3D> ATA8-ACS SATA 3.x device
> >> ada5: Serial Number 5YD5RBS8
> >> ada5: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
> >> ada5: 1907729MB (3907029168 512 byte sectors)
> >> ada5: quirks=0x1<4K>
> >> SMP: AP CPU #6 Launched!
> >> SMP: AP CPU #4 Launched!
> >> SMP: AP CPU #7 Launched!
> >> SMP: AP CPU #2 Launched!
> >> SMP: AP CPU #5 Launched!
> >> SMP: AP CPU #1 Launched!
> >> SMP: AP CPU #3 Launched!
> >> Timecounter "TSC-low" frequency 1163772834 Hz quality 1000
> >> hwpmc: SOFT/16/64/0x67<INT,USR,SYS,REA,WRI> TSC/1/64/0x20<REA>
> >> IAP/2/40/0x3ff<INT,USR,SYS,EDG,THR,REA,WRI,INV,QUA,PRC>
> >> IAF/3/40/0x67<INT,USR,SYS,REA,WRI>
> >> Trying to mount root from zfs:zroot/ROOT/oldroot []...
> >> Root mount waiting for: usbus3
> >> uhub3: 6 ports with 6 removable, self powered
> >> Root mount waiting for: usbus3
> >> Root mount waiting for: usbus3
> >> ugen3.2: <Peppercon AG> at usbus3
> >> ukbd0: <Peppercon AG Multidevice, class 0/0, rev 2.00/0.01, addr 2> on 
> >> usbus3
> >> kbd2 at ukbd0
> >> ugen0.2: <American Power Conversion> at usbus0
> >> <118>Setting hostuuid: 53d19f64-d663-a017-8922-003048f2299c.
> >> <118>Setting hostid: 0xbf916f25.
> >> <118>Starting file system checks:
> >> <118>Mounting local filesystems:.
> >> <118>ELF ldconfig path: /lib /usr/lib /usr/lib/compat /usr/local/lib
> >> /usr/local/lib/compat /usr/local/lib/gcc48 /usr/local/lib/mysql
> >> /usr/local/lib/perl5/5.20/mach/CORE /usr/local/lib/qt4
> >> /usr/local/lib/virtualbox /usr/local/llvm36/lib /usr/local/llvm37/lib
> >> <118>32-bit compatibility ldconfig path: /usr/lib32 
> >> /usr/local/lib32/compat
> >> <118>/etc/rc: WARNING: $kldxref_enable is not set properly - see 
> >> rc.conf(5).
> >> <118>Setting hostname: borg.lerctr.org.
> >> <118>Setting up harvesting:
> >> [UMA],[FS_ATIME],SWI,INTERRUPT,NET_NG,NET_ETHER,NET_TUN,MOUSE,KEYBOARD,ATTACH,CACHED
> >> <118>Feeding entropy: .
> >> <5>lagg0: link state changed to DOWN
> >> <118>Created clone interfaces: lagg0.
> >> <118>Starting Network: lo0 em0 em1 lagg0.
> >> <118>lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
> >> <118>      options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
> >> <118>      inet6 ::1 prefixlen 128
> >> <118>      inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
> >> <118>      inet 127.0.0.1 netmask 0xff000000
> >> <118>      nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
> >> <118>      groups: lo
> >> <118>em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 
> >> mtu 1500
> >> <118>      
> >> options=4219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MAGIC,VLAN_HWTSO>
> >> <118>      ether 00:30:48:f2:29:9c
> >> <118>      nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> >> <118>      media: Ethernet autoselect
> >> <118>      status: no carrier
> >> <118>em1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 
> >> mtu 1500
> >> <118>      
> >> options=4219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MAGIC,VLAN_HWTSO>
> >> <118>      ether 00:30:48:f2:29:9c
> >> <118>      nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> >> <118>      media: Ethernet autoselect
> >> <118>      status: no carrier
> >> <118>lagg0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 
> >> 0 mtu 1500
> >> <118>      
> >> options=4219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MAGIC,VLAN_HWTSO>
> >> <118>      ether 00:30:48:f2:29:9c
> >> <118>      inet 192.168.200.4 netmask 0xfffffc00 broadcast 192.168.203.255
> >> <118>      inet6 fe80::230:48ff:fef2:299c%lagg0 prefixlen 64 scopeid 0x4
> >> <118>      nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL>
> >> <118>      media: Ethernet autoselect
> >> <118>      status: no carrier
> >> <118>      groups: lagg
> >> <118>      laggproto loadbalance lagghash l2,l3,l4
> >> <118>      laggport: em0 flags=0<>
> >> <118>      laggport: em1 flags=0<>
> >> <118>Starting devd.
> >> uhid0: <Peppercon AG Multidevice, class 0/0, rev 2.00/0.01, addr 2> on 
> >> usbus3
> >> <118>add host 127.0.0.1: gateway lo0 fib 0: route already in table
> >> <118>add net default: gateway 192.168.200.11
> >> <118>add host ::1: gateway lo0 fib 0: route already in table
> >> <118>add net fe80::: gateway ::1
> >> <118>add net ff02::: gateway ::1
> >> <118>add net ::ffff:0.0.0.0: gateway ::1
> >> <118>add net ::0.0.0.0: gateway ::1
> >> <118>Starting local_unbound.
> >> <5>em0: link state changed to UP
> >> <5>lagg0: link state changed to UP
> >> <118>Waiting for nameserver to start... good
> >> <118>Starting rtsold.
> >> <5>em1: link state changed to UP
> >> panic: bogus refcnt 0 on lle 0xfffff800aa941200
> >> cpuid = 4
> >> KDB: stack backtrace:
> >> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 
> >> 0xfffffe2dfe57b1a0
> >> vpanic() at vpanic+0x182/frame 0xfffffe2dfe57b220
> >> kassert_panic() at kassert_panic+0x126/frame 0xfffffe2dfe57b290
> >> llentry_free() at llentry_free+0x136/frame 0xfffffe2dfe57b2c0
> >> nd6_cache_lladdr() at nd6_cache_lladdr+0x2ff/frame 0xfffffe2dfe57b390
> >> nd6_ra_input() at nd6_ra_input+0x1347/frame 0xfffffe2dfe57b670
> >> icmp6_input() at icmp6_input+0xa93/frame 0xfffffe2dfe57b810
> >> ip6_input() at ip6_input+0xc70/frame 0xfffffe2dfe57b8f0
> >> netisr_dispatch_src() at netisr_dispatch_src+0x80/frame 
> >> 0xfffffe2dfe57b950
> >> ether_demux() at ether_demux+0x14a/frame 0xfffffe2dfe57b980
> >> ether_nh_input() at ether_nh_input+0x340/frame 0xfffffe2dfe57b9c0
> >> netisr_dispatch_src() at netisr_dispatch_src+0x80/frame 
> >> 0xfffffe2dfe57ba20
> >> ether_input() at ether_input+0x62/frame 0xfffffe2dfe57ba50
> >> if_input() at if_input+0xa/frame 0xfffffe2dfe57ba60
> >> em_rxeof() at em_rxeof+0x28c/frame 0xfffffe2dfe57bae0
> >> em_handle_que() at em_handle_que+0x40/frame 0xfffffe2dfe57bb20
> >> taskqueue_run_locked() at taskqueue_run_locked+0x13c/frame 
> >> 0xfffffe2dfe57bb80
> >> taskqueue_thread_loop() at taskqueue_thread_loop+0x88/frame 
> >> 0xfffffe2dfe57bbb0
> >> fork_exit() at fork_exit+0x84/frame 0xfffffe2dfe57bbf0
> >> fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe2dfe57bbf0
> >> --- trap 0, rip = 0, rsp = 0, rbp = 0 ---
> >> Uptime: 22s
> >> Dumping 3120 out of 64465 
> >> MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%
> >> 
> >> Reading symbols from /boot/kernel/zfs.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/zfs.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/zfs.ko
> >> Reading symbols from /boot/kernel/opensolaris.ko...Reading symbols
> >> from /usr/lib/debug//boot/kernel/opensolaris.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/opensolaris.ko
> >> Reading symbols from /boot/kernel/linux.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/linux.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/linux.ko
> >> Reading symbols from /boot/kernel/linux_common.ko...Reading symbols
> >> from /usr/lib/debug//boot/kernel/linux_common.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/linux_common.ko
> >> Reading symbols from /boot/kernel/if_lagg.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/if_lagg.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/if_lagg.ko
> >> Reading symbols from /boot/kernel/snd_envy24ht.ko...Reading symbols
> >> from /usr/lib/debug//boot/kernel/snd_envy24ht.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/snd_envy24ht.ko
> >> Reading symbols from /boot/kernel/snd_spicds.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/snd_spicds.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/snd_spicds.ko
> >> Reading symbols from /boot/kernel/coretemp.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/coretemp.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/coretemp.ko
> >> Reading symbols from /boot/kernel/fuse.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/fuse.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/fuse.ko
> >> Reading symbols from /boot/kernel/ichsmb.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/ichsmb.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/ichsmb.ko
> >> Reading symbols from /boot/kernel/smbus.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/smbus.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/smbus.ko
> >> Reading symbols from /boot/kernel/ichwd.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/ichwd.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/ichwd.ko
> >> Reading symbols from /boot/kernel/cpuctl.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/cpuctl.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/cpuctl.ko
> >> Reading symbols from /boot/kernel/cryptodev.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/cryptodev.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/cryptodev.ko
> >> Reading symbols from /boot/kernel/dtraceall.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/dtraceall.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/dtraceall.ko
> >> Reading symbols from /boot/kernel/profile.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/profile.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/profile.ko
> >> Reading symbols from /boot/kernel/dtrace.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/dtrace.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/dtrace.ko
> >> Reading symbols from /boot/kernel/systrace_freebsd32.ko...Reading
> >> symbols from
> >> /usr/lib/debug//boot/kernel/systrace_freebsd32.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/systrace_freebsd32.ko
> >> Reading symbols from /boot/kernel/systrace.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/systrace.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/systrace.ko
> >> Reading symbols from /boot/kernel/sdt.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/sdt.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/sdt.ko
> >> Reading symbols from /boot/kernel/fasttrap.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/fasttrap.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/fasttrap.ko
> >> Reading symbols from /boot/kernel/fbt.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/fbt.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/fbt.ko
> >> Reading symbols from /boot/kernel/dtnfscl.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/dtnfscl.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/dtnfscl.ko
> >> Reading symbols from /boot/kernel/dtmalloc.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/dtmalloc.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/dtmalloc.ko
> >> Reading symbols from /boot/kernel/ipmi.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/ipmi.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/ipmi.ko
> >> Reading symbols from /boot/kernel/ipmi_linux.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/ipmi_linux.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/ipmi_linux.ko
> >> Reading symbols from /boot/kernel/hwpmc.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/hwpmc.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/hwpmc.ko
> >> Reading symbols from /boot/kernel/filemon.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/filemon.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/filemon.ko
> >> Reading symbols from /boot/kernel/uhid.ko...Reading symbols from
> >> /usr/lib/debug//boot/kernel/uhid.ko.debug...done.
> >> done.
> >> Loaded symbols for /boot/kernel/uhid.ko
> >> #0  doadump (textdump=1) at pcpu.h:221
> >> 221        pcpu.h: No such file or directory.
> >>    in pcpu.h
> >> (kgdb) #0  doadump (textdump=1) at pcpu.h:221
> >> #1  0xffffffff80a48945 in kern_reboot (howto=<value optimized out>)
> >>     at /usr/src/sys/kern/kern_shutdown.c:366
> >> #2  0xffffffff80a48f1b in vpanic (fmt=<value optimized out>,
> >>     ap=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:759
> >> #3  0xffffffff80a48d56 in kassert_panic (fmt=<value optimized out>)
> >>     at /usr/src/sys/kern/kern_shutdown.c:649
> >> #4  0xffffffff80b351d6 in llentry_free (lle=<value optimized out>)
> >>     at /usr/src/sys/net/if_llatbl.c:432
> >> #5  0xffffffff80c5c90f in nd6_cache_lladdr (ifp=0xfffff80068d65800,
> >>     from=<value optimized out>, lladdr=<value optimized out>,
> >>     lladdrlen=<value optimized out>, type=134, code=0)
> >>     at /usr/src/sys/netinet6/nd6.c:1972
> >> #6  0xffffffff80c62f57 in nd6_ra_input (m=<value optimized out>,
> >>     off=<value optimized out>, icmp6len=<value optimized out>)
> >>     at /usr/src/sys/netinet6/nd6_rtr.c:437
> >> #7  0xffffffff80c3ab03 in icmp6_input (mp=<value optimized out>,
> >>     offp=<value optimized out>, proto=<value optimized out>)
> >>     at /usr/src/sys/netinet6/icmp6.c:798
> >> #8  0xffffffff80c50e90 in ip6_input (m=Cannot access memory at address 
> >> 0x0
> >> )
> >>     at /usr/src/sys/netinet6/ip6_input.c:921
> >> #9  0xffffffff80b47470 in netisr_dispatch_src (proto=6, source=0,
> >>     m=0xfffff80068dfc600) at /usr/src/sys/net/netisr.c:1121
> >> #10 0xffffffff80b3209a in ether_demux (ifp=<value optimized out>, 
> >> m=0x0)
> >>     at /usr/src/sys/net/if_ethersubr.c:850
> >> #11 0xffffffff80b32e90 in ether_nh_input (m=<value optimized out>)
> >>     at /usr/src/sys/net/if_ethersubr.c:639
> >> #12 0xffffffff80b47470 in netisr_dispatch_src (proto=5, source=0,
> >>     m=0xfffff80068dfc600) at /usr/src/sys/net/netisr.c:1121
> >> #13 0xffffffff80b32402 in ether_input (ifp=<value optimized out>, 
> >> m=0x0)
> >>     at /usr/src/sys/net/if_ethersubr.c:759
> >> #14 0xffffffff80b2ee8a in if_input (ifp=0x0, sendmp=0x0)
> >>     at /usr/src/sys/net/if.c:3956
> >> #15 0xffffffff80523a6c in em_rxeof (count=99)
> >>     at /usr/src/sys/dev/e1000/if_em.c:4872
> >> #16 0xffffffff805250b0 in em_handle_que (context=0xfffffe1eaa699000,
> >>     pending=<value optimized out>) at 
> >> /usr/src/sys/dev/e1000/if_em.c:1598
> >> #17 0xffffffff80a9a23c in taskqueue_run_locked (queue=<value optimized 
> >> out>)
> >>     at /usr/src/sys/kern/subr_taskqueue.c:465
> >> #18 0xffffffff80a9ad38 in taskqueue_thread_loop (arg=<value optimized 
> >> out>)
> >>     at /usr/src/sys/kern/subr_taskqueue.c:719
> >> #19 0xffffffff80a0ba54 in fork_exit (
> >>     callout=0xffffffff80a9acb0 <taskqueue_thread_loop>,
> >>     arg=0xfffffe1eaa69b730, frame=0xfffffe2dfe57bc00)
> >>     at /usr/src/sys/kern/kern_fork.c:1038
> >> #20 0xffffffff80e943fe in fork_trampoline ()
> >>     at /usr/src/sys/amd64/amd64/exception.S:611
> >> #21 0x0000000000000000 in ?? ()
> >> Current language:  auto; currently minimal
> >> (kgdb)
> >> 
> >> vmcore IS available.
> 
> -- 
> Larry Rosenman                     http://www.lerctr.org/~ler
> Phone: +1 214-642-9640                 E-Mail: l...@lerctr.org
> US Mail: 17716 Limpia Crk, Round Rock, TX 78664-7281
> _______________________________________________
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> https://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
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