>Synopsis:      Repeatable panic w/ re0 in an updated network
>Category:      kernel
>Environment:
        System      : OpenBSD 5.7
        Details     : OpenBSD 5.7-current (GENERIC.MP) #987: Sun May 17 
20:42:55 MDT 2015
                         
[email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP

        Architecture: OpenBSD.amd64
        Machine     : amd64
>Description:
        This machine is used heavily and worked well until I made some
        network changes yesterday which resulted in the above panic.
        I narrowed the problem to nfs usage w/ the re(4) interface.
        Restarting the box w/ msk0 rather than re0 worked correctly in
        the same nfs scenario.

        The problem occurred after I made network changes including
        replacing some unmanaged switches with an HP1820-24g.  I
        configured the HP1820 and the nas boxes to do link aggregation
        and jumbo frames.

        The original panic occurred w/ the May 13 snap.  I upgraded to
        the May 17 snap w/ the same results. My other OpenBSD boxes
        don't panic when accessing the same nfs resource.  I did
        notice (probably unrelated) a network hang w/ a soekris 5501
        when mounted w/ udp but no hang w/ a tcp mount.

>How-To-Repeat:
        dd if=nfs-file of=/dev/null bs=32k

        I've appended the serial console transcript which includes the
        dmesg, panic and subsequent ddb session.

>Fix:
        Don't know.  I was hoping to provide more info by building a
        debug kernel; however, ddb 'boot dump' results in a different
        panic.  I have saved that serial console transcript but didn't
        want to further clutter this report.


>> OpenBSD/amd64 BOOT 3.28
Disk    BIOS#   Type    Cyls    Heads   Secs    Flags   Checksum
fd0     0x0     *none*  80      2       18      0x4     0x0
hd0     0x80    label   1024    255     63      0x2     0xd7479677
hd1     0x81    label   1024    135     14      0x0     0xf6a8b72a
hd2     0x82    label   1024    13      36      0x0     0xde0dcb05
hd3     0x83    label   1024    87      10      0x0     0xa03fbf9c
Region 0: type 1 at 0x0 for 635KB
Region 1: type 2 at 0x9ec00 for 5KB
Region 2: type 2 at 0xe4000 for 112KB
Region 3: type 1 at 0x100000 for 3406336KB
Region 4: type 3 at 0xcff80000 for 56KB
Region 5: type 4 at 0xcff8e000 for 264KB
Region 6: type 2 at 0xcffd0000 for 64KB
Region 7: type 2 at 0xcffe0000 for 128KB
Region 8: type 2 at 0xff700000 for 9216KB
Region 9: type 1 at 0x100000000 for 4718592KB
Low ram: 635KB  High ram: 3406336KB
Total free memory: 8125563KB
boot> 
booting hd0a:/bsd: 6652640+2125720+254984+0+598016 [72+559440+371817]=0xa14888
entry point at 0x1000160 [7205c766, 34000004, 24448b12, 9060a304]
[ using 931976 bytes of bsd ELF symbol table ]
Copyright (c) 1982, 1986, 1989, 1991, 1993
        The Regents of the University of California.  All rights reserved.
Copyright (c) 1995-2015 OpenBSD. All rights reserved.  http://www.OpenBSD.org

OpenBSD 5.7-current (GENERIC.MP) #987: Sun May 17 20:42:55 MDT 2015
    [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 8304197632 (7919MB)
avail mem = 8048680960 (7675MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.5 @ 0x9f000 (72 entries)
bios0: vendor American Megatrends Inc. version "2701" date 10/08/2010
bios0: ASUSTeK Computer INC. M3A78-EM
acpi0 at bios0: rev 2
acpi0: sleep states S0 S1 S3 S4 S5
acpi0: tables DSDT FACP APIC MCFG OEMB SRAT HPET SSDT
acpi0: wakeup devices PCE2(S4) PCE3(S4) PCE4(S4) PCE5(S4) PCE6(S4) RLAN(S4) 
PCE7(S4) PCE9(S4) PCEA(S4) PCEB(S4) PCEC(S4) SBAZ(S4) PS2M(S4) PS2K(S4) 
UAR1(S4) P0PC(S4) [...]
acpitimer0 at acpi0: 3579545 Hz, 32 bits
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: AMD Phenom(tm) 9550 Quad-Core Processor, 2212.16 MHz
cpu0: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,MWAIT,CX16,POPCNT,NXE,MMXX,FFXSR,PAGE1GB,LONG,3DNOW2,3DNOW,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,ITSC
cpu0: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB 64b/line 
16-way L2 cache, 2MB 64b/line 32-way L3 cache
cpu0: ITLB 32 4KB entries fully associative, 16 4MB entries fully associative
cpu0: DTLB 48 4KB entries fully associative, 48 4MB entries fully associative
cpu0: AMD erratum 721 detected and fixed
cpu0: smt 0, core 0, package 0
mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges
cpu0: apic clock running at 201MHz
cpu0: mwait min=64, max=64, C-substates=0.0.0.0.0, IBE
cpu1 at mainbus0: apid 1 (application processor)
cpu1: AMD Phenom(tm) 9550 Quad-Core Processor, 2211.90 MHz
cpu1: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,MWAIT,CX16,POPCNT,NXE,MMXX,FFXSR,PAGE1GB,LONG,3DNOW2,3DNOW,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,ITSC
cpu1: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB 64b/line 
16-way L2 cache, 2MB 64b/line 32-way L3 cache
cpu1: ITLB 32 4KB entries fully associative, 16 4MB entries fully associative
cpu1: DTLB 48 4KB entries fully associative, 48 4MB entries fully associative
cpu1: AMD erratum 721 detected and fixed
cpu1: smt 0, core 1, package 0
cpu2 at mainbus0: apid 2 (application processor)
cpu2: AMD Phenom(tm) 9550 Quad-Core Processor, 2211.90 MHz
cpu2: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,MWAIT,CX16,POPCNT,NXE,MMXX,FFXSR,PAGE1GB,LONG,3DNOW2,3DNOW,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,ITSC
cpu2: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB 64b/line 
16-way L2 cache, 2MB 64b/line 32-way L3 cache
cpu2: ITLB 32 4KB entries fully associative, 16 4MB entries fully associative
cpu2: DTLB 48 4KB entries fully associative, 48 4MB entries fully associative
cpu2: AMD erratum 721 detected and fixed
cpu2: smt 0, core 2, package 0
cpu3 at mainbus0: apid 3 (application processor)
cpu3: AMD Phenom(tm) 9550 Quad-Core Processor, 2211.90 MHz
cpu3: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,MWAIT,CX16,POPCNT,NXE,MMXX,FFXSR,PAGE1GB,LONG,3DNOW2,3DNOW,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,ITSC
cpu3: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB 64b/line 
16-way L2 cache, 2MB 64b/line 32-way L3 cache
cpu3: ITLB 32 4KB entries fully associative, 16 4MB entries fully associative
cpu3: DTLB 48 4KB entries fully associative, 48 4MB entries fully associative
cpu3: AMD erratum 721 detected and fixed
cpu3: smt 0, core 3, package 0
ioapic0 at mainbus0: apid 4 pa 0xfec00000, version 21, 24 pins
acpimcfg0 at acpi0 addr 0xe0000000, bus 0-255
acpihpet0 at acpi0: 14318180 Hz
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus 1 (P0P1)
acpiprt2 at acpi0: bus -1 (PCE2)
acpiprt3 at acpi0: bus -1 (PCE3)
acpiprt4 at acpi0: bus 2 (PCE4)
acpiprt5 at acpi0: bus -1 (PCE5)
acpiprt6 at acpi0: bus 3 (PCE6)
acpiprt7 at acpi0: bus 4 (P0PC)
acpicpu0 at acpi0: PSS
acpicpu1 at acpi0: PSS
acpicpu2 at acpi0: PSS
acpicpu3 at acpi0: PSS
aibs0 at acpi0 RTMP RVLT RFAN GGRP GITM SITM
acpibtn0 at acpi0: PWRB
cpu0: 2212 MHz: speeds: 2200 1100 MHz
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "AMD RS780 Host" rev 0x00
ppb0 at pci0 dev 1 function 0 vendor "Asustek", unknown product 0x9602 rev 0x00
pci1 at ppb0 bus 1
radeondrm0 at pci1 dev 5 function 0 "ATI Radeon HD 3200" rev 0x00
drm0 at radeondrm0
radeondrm0: apic 4 int 18
azalia0 at pci1 dev 5 function 1 "ATI RS780 HD Audio" rev 0x00: msi
azalia0: no supported codecs
ppb1 at pci0 dev 4 function 0 "AMD RS780 PCIE" rev 0x00: msi
pci2 at ppb1 bus 2
mskc0 at pci2 dev 0 function 0 "Marvell Yukon 88E8053" rev 0x20, Yukon-2 EC 
rev. A3 (0x2): apic 4 int 16
msk0 at mskc0 port A: address 00:50:43:00:7c:9a
eephy0 at msk0 phy 0: 88E1111 Gigabit PHY, rev. 2
ppb2 at pci0 dev 6 function 0 "AMD RS780 PCIE" rev 0x00: msi
pci3 at ppb2 bus 3
re0 at pci3 dev 0 function 0 "Realtek 8168" rev 0x02: RTL8168C/8111C (0x3c00), 
msi, address 00:22:15:2c:7d:0b
rgephy0 at re0 phy 7: RTL8169S/8110S PHY, rev. 2
ahci0 at pci0 dev 17 function 0 "ATI SBx00 SATA" rev 0x00: apic 4 int 22, AHCI 
1.1
ahci0: port 0: 3.0Gb/s
ahci0: port 1: 3.0Gb/s
ahci0: port 2: 1.5Gb/s
ahci0: port 3: 3.0Gb/s
ahci0: port 5: 3.0Gb/s
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 0 lun 0: <ATA, WDC WD1003FZEX-0, 01.0> SCSI3 0/direct 
fixed naa.50014ee2b546ec7f
sd0: 953869MB, 512 bytes/sector, 1953525168 sectors
sd1 at scsibus1 targ 1 lun 0: <ATA, SAMSUNG HD502IJ, 1AA0> SCSI3 0/direct fixed 
naa.50000f000b170183
sd1: 476940MB, 512 bytes/sector, 976773168 sectors
sd2 at scsibus1 targ 2 lun 0: <ATA, WDC WD740ADFD-00, 21.0> SCSI3 0/direct 
fixed t10.ATA_WDC_WD740ADFD-00NLR5_WD-WMANS2500775
sd2: 70911MB, 512 bytes/sector, 145226112 sectors
sd3 at scsibus1 targ 3 lun 0: <ATA, ST3500320AS, SD15> SCSI3 0/direct fixed 
naa.5000c500099f8c18
sd3: 476940MB, 512 bytes/sector, 976773168 sectors
sd4 at scsibus1 targ 5 lun 0: <ATA, WDC WD1001FALS-0, 05.0> SCSI3 0/direct 
fixed naa.50014ee0ac0a4aec
sd4: 953869MB, 512 bytes/sector, 1953525168 sectors
ohci0 at pci0 dev 18 function 0 "ATI SB700 USB" rev 0x00: apic 4 int 16, 
version 1.0, legacy support
ohci1 at pci0 dev 18 function 1 "ATI SB700 USB" rev 0x00: apic 4 int 16, 
version 1.0, legacy support
ehci0 at pci0 dev 18 function 2 "ATI SB700 USB2" rev 0x00: apic 4 int 17
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 "ATI EHCI root hub" rev 2.00/1.00 addr 1
ohci2 at pci0 dev 19 function 0 "ATI SB700 USB" rev 0x00: apic 4 int 18, 
version 1.0, legacy support
ohci3 at pci0 dev 19 function 1 "ATI SB700 USB" rev 0x00: apic 4 int 18, 
version 1.0, legacy support
ehci1 at pci0 dev 19 function 2 "ATI SB700 USB2" rev 0x00: apic 4 int 19
usb1 at ehci1: USB revision 2.0
uhub1 at usb1 "ATI EHCI root hub" rev 2.00/1.00 addr 1
piixpm0 at pci0 dev 20 function 0 "ATI SBx00 SMBus" rev 0x3a: SMI
iic0 at piixpm0
spdmem0 at iic0 addr 0x50: 2GB DDR2 SDRAM ECC PC2-5300CL5
spdmem1 at iic0 addr 0x51: 2GB DDR2 SDRAM ECC PC2-5300CL5
spdmem2 at iic0 addr 0x52: 2GB DDR2 SDRAM ECC PC2-5300CL5
spdmem3 at iic0 addr 0x53: 2GB DDR2 SDRAM ECC PC2-5300CL5
pciide0 at pci0 dev 20 function 1 "ATI SB700 IDE" rev 0x00: DMA, channel 0 
configured to compatibility, channel 1 configured to compatibility
azalia1 at pci0 dev 20 function 2 "ATI SBx00 HD Audio" rev 0x00: apic 4 int 16
azalia1: codecs: Realtek ALC888
audio0 at azalia1
pcib0 at pci0 dev 20 function 3 "ATI SB700 ISA" rev 0x00
ppb3 at pci0 dev 20 function 4 "ATI SB600 PCI" rev 0x00
pci4 at ppb3 bus 4
ohci4 at pci0 dev 20 function 5 "ATI SB700 USB" rev 0x00: apic 4 int 18, 
version 1.0, legacy support
pchb1 at pci0 dev 24 function 0 "AMD AMD64 10h HyperTransport" rev 0x00
pchb2 at pci0 dev 24 function 1 "AMD AMD64 10h Address Map" rev 0x00
pchb3 at pci0 dev 24 function 2 "AMD AMD64 10h DRAM Cfg" rev 0x00
km0 at pci0 dev 24 function 3 "AMD AMD64 10h Misc Cfg" rev 0x00
pchb4 at pci0 dev 24 function 4 "AMD AMD64 10h Link Cfg" rev 0x00
usb2 at ohci0: USB revision 1.0
uhub2 at usb2 "ATI OHCI root hub" rev 1.00/1.00 addr 1
usb3 at ohci1: USB revision 1.0
uhub3 at usb3 "ATI OHCI root hub" rev 1.00/1.00 addr 1
usb4 at ohci2: USB revision 1.0
uhub4 at usb4 "ATI OHCI root hub" rev 1.00/1.00 addr 1
usb5 at ohci3: USB revision 1.0
uhub5 at usb5 "ATI OHCI root hub" rev 1.00/1.00 addr 1
isa0 at pcib0
isadma0 at isa0
fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
com0: console
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot): using irq 1
wskbd0 at pckbd0: console keyboard
: using irq 12pcppi0 at isa0 port 0x61
spkr0 at pcppi0
lpt0 at isa0 port 0x378/4 irq 7
it0 at isa0 port 0x2e/2: IT8712F rev 8, EC port 0x290
usb6 at ohci4: USB revision 1.0
uhub6 at usb6 "ATI OHCI root hub" rev 1.00/1.00 addr 1
uhub7 at uhub3 port 2 "Texas Instruments TUSB2046 hub" rev 1.10/1.25 addr 2
uhidev0 at uhub7 port 1 configuration 1 interface 0 "vendor 0x10d5 KVM A6" rev 
1.10/0.04 addr 3
uhidev0: iclass 3/1
ukbd0 at uhidev0: 8 variable keys, 6 key codes
wskbd1 at ukbd0 mux 1
uhidev1 at uhub7 port 1 configuration 1 interface 1 "vendor 0x10d5 KVM A6" rev 
1.10/0.04 addr 3
uhidev1: iclass 3/1, 3 report ids
ums0 at uhidev1 reportid 1: 5 buttons, Z dir
wsmouse0 at ums0 mux 0
uhid0 at uhidev1 reportid 2: input=1, output=0, feature=0
uhid1 at uhidev1 reportid 3: input=2, output=0, feature=0
uhub8 at uhub7 port 2 "Texas Instruments TUSB2046 hub" rev 1.10/1.25 addr 4
uhidev2 at uhub7 port 4 configuration 1 interface 0 "Yubico Yubico Yubikey II" 
rev 2.00/2.42 addr 5
uhidev2: iclass 3/1
ukbd1 at uhidev2: 8 variable keys, 6 key codes
wskbd2 at ukbd1 mux 1
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
root on sd0a (a29f854045613736.a) swap on sd0b dump on sd0b
radeondrm0: 1024x768
wsdisplay0 at radeondrm0 mux 1: console (std, vt100 emulation), using wskbd0
wskbd1: connecting to wsdisplay0
wskbd2: connecting to wsdisplay0
wsdisplay0: screen 1-5 added (std, vt100 emulation)
Fast boot: skipping disk checks.
setting tty flags
pf enabled
starting network
DHCPREQUEST on re0 to 255.255.255.255
DHCPACK from 10.1.2.1 (00:00:24:c9:29:14)
bound to 10.1.2.33 -- renewal in 302400 seconds.
starting early daemons: syslogd pflogd unbound ntpd.
starting RPC daemons: portmap mountd nfsd.
savecore: no core dump
checking quotas: done.
clearing /tmp
kern.securelevel: 0 -> 1
creating runtime link editor directory cache.
preserving editor files.
starting network daemons: sshd snmpd(failed) lpd smtpd sndiod.
Path to firmware: http://firmware.openbsd.org/firmware/snapshots/
Updating: radeondrm-firmware-20131002p0
starting package daemons: smbd nmbd adsuck(absent) apcupsd.
starting local daemons: apmd cron.
Mon May 18 08:02:46 EDT 2015

OpenBSD/amd64 (x4.thrush.com) (tty00)

login: root
Password:
Last login: Mon May 18 07:51:18 on tty00
OpenBSD 5.7-current (GENERIC.MP) #987: Sun May 17 20:42:55 MDT 2015

You have mail.
# mount | grep nas3
nas3:/work on /dpb/nas3/work type nfs (nodev, nosuid, v3, udp, intr, timeo=100, 
retrans=101)
nas3:/backup on /nas3/backup type nfs (nodev, nosuid, v3, udp, intr, timeo=100, 
retrans=101)
nas3:/public on /dpb/nas3/public type nfs (nodev, nosuid, read-only, v3, udp, 
intr, timeo=100, retrans=101)
# ifconfig
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 32768
        priority: 0
        groups: lo
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4
        inet6 ::1 prefixlen 128
        inet 127.0.0.1 netmask 0xff000000
msk0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
        lladdr 00:50:43:00:7c:9a
        priority: 0
        media: Ethernet autoselect (none)
        status: no carrier
re0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        lladdr 00:22:15:2c:7d:0b
        priority: 0
        groups: egress int
        media: Ethernet autoselect (1000baseT full-duplex,rxpause,txpause)
        status: active
        inet 10.1.2.33 netmask 0xffffff00 broadcast 10.1.2.255
enc0: flags=0<>
        priority: 0
        groups: enc
        status: active
pflog0: flags=141<UP,RUNNING,PROMISC> mtu 33144
        priority: 0
        groups: pflog
# S=/dpb/nas3/public/OpenBSD/snapshots/amd64
# ls -ltT ${S}/install57.iso
-rw-r--r--  1 rd  rd  230189056 May 17 22:49:43 2015 
/dpb/nas3/public/OpenBSD/snapshots/amd64/install57.iso
# dd if=${S}/install57.iso of=/dev/null bs=32k
panic: pool_do_get: mcl8k free list modified: page 0xffffff0001a4e000; item 
addr 0xffffff0001a4e000; offset 0x0=0x3c2862a624713d01 != 0xa8056a9a45b16778
Stopped at      Debugger+0x9:   leave
RUN AT LEAST 'trace' AND 'ps' AND INCLUDE OUTPUT WHEN REPORTING THIS PANIC!
IF RUNNING SMP, USE 'mach ddbcpu <#>' AND 'trace' ON OTHER PROCESSORS, TOO.
DO NOT EVEN BOTHER REPORTING THIS WITHOUT INCLUDING THAT INFORMATION!
ddb{0}> set $lines 0
ddb{0}> trace
Debugger() at Debugger+0x9
panic() at panic+0xfe
pool_runqueue() at pool_runqueue
pool_get() at pool_get+0xb5
m_clget() at m_clget+0x51
re_newbuf() at re_newbuf+0x34
re_rx_list_fill() at re_rx_list_fill+0x35
re_rxeof() at re_rxeof+0x333
re_intr() at re_intr+0x19b
intr_handler() at intr_handler+0x67
Xintr_ioapic_edge18() at Xintr_ioapic_edge18+0xdd
--- interrupt ---
cpu_idle_mwait_cycle() at cpu_idle_mwait_cycle+0x62
cpu_idle_cycle() at cpu_idle_cycle+0x10
end trace frame: 0x0, count: -13
ddb{0}> ps
   PID   PPID   PGRP    UID  S       FLAGS  WAIT          COMMAND
 26916  24107  26916      0  3        0x83  getblk        dd
   790   4247  22307   1000  3        0x82  nanosleep     sleep
 16419   7909   7909   1000  3        0x82  nanosleep     perl
  7909  18528   7909   1000  3        0x8a  pause         sh
 18528  23947  23947      0  3        0x80  piperd        cron
  4247  22307  22307   1000  3        0x8a  pause         sh
 10000   5347   5347      0  3        0x82  nanosleep     perl
 24107      1  24107      0  3        0x8b  pause         ksh
 25720      1  25720      0  3        0x83  ttyin         getty
 17251      1  17251      0  3        0x83  ttyin         getty
 21816      1  21816      0  3        0x83  ttyin         getty
 25792      1  25792      0  3        0x83  ttyin         getty
 27641      1  27641      0  3        0x83  ttyin         getty
 22307  23331  22307   1000  3        0x8a  pause         sh
  5347   6158   5347      0  3        0x8a  pause         sh
 23331  23947  23947      0  3        0x80  piperd        cron
  6158  23947  23947      0  3        0x80  piperd        cron
 23947      1  23947      0  3        0x80  poll          cron
  8704      1   8704      0  3        0x80  kqread        apmd
 20169      1  20169      0  7           0                apcupsd
  7491      1  20169      0  3   0x4000088  sigwait       apcupsd
   820      1  20169      0  3   0x4000080  select        apcupsd
 30745      1  30745      0  3        0x80  poll          nmbd
 21377  30807  30807      0  3        0x90  poll          smbd
 30807      1  30807      0  3        0x90  poll          smbd
   662      1    662     99  3        0x90  poll          sndiod
 32353   9708   9708     95  3        0x90  kqread        smtpd
 31775   9708   9708     95  3        0x90  kqread        smtpd
  6539   9708   9708     95  3        0x90  kqread        smtpd
 11711   9708   9708     95  3        0x90  kqread        smtpd
 23602   9708   9708     95  3        0x90  kqread        smtpd
 12815   9708   9708    103  3        0x90  kqread        smtpd
  9708      1   9708      0  3        0x80  kqread        smtpd
 18347      1  18347      0  3        0xb0  select        lpd
  1534      1   1534      0  3        0x80  select        sshd
 31949      0      0      0  3     0x14280  nfsidl        nfsio
  1151      0      0      0  3     0x14280  nfsidl        nfsio
 20004      0      0      0  3     0x14280  nfsrcvlk      nfsio
  6326      0      0      0  3     0x14200  netio         nfsio
 11227  27093  27093      0  3        0x80  nfsd          nfsd
  2401  27093  27093      0  3        0x80  nfsd          nfsd
 28351  27093  27093      0  3        0x80  nfsd          nfsd
 11723  27093  27093      0  3        0x80  nfsd          nfsd
 27093      1  27093      0  3        0x80  netcon        nfsd
  6235      1   6235      0  3        0x80  poll          mountd
  2311      1   2311     28  3        0x90  poll          portmap
  4706      1   4706      0  3        0x80  poll          ntpd
 23037   5497  23037     83  3        0x90  poll          ntpd
  5497      1   5497     83  3        0x90  poll          ntpd
 27817      1  27817     53  3        0x90  kqread        unbound
 20949  16915  16915     74  3        0x90  bpf           pflogd
 16915      1  16915      0  3        0x80  netio         pflogd
 14497   4216   4216     73  3        0x90  kqread        syslogd
  4216      1   4216      0  3        0x80  netio         syslogd
 31135      1  31135     77  3        0x90  poll          dhclient
 21643      1  21643      0  3        0x80  poll          dhclient
  8966      1   8966      0  3        0x80  mfsidl        mount_mfs
 13251      0      0      0  3     0x14200  bored         ttm_swap
 23958      0      0      0  3     0x14200  pgzero        zerothread
  8226      0      0      0  3     0x14200  aiodoned      aiodoned
 11051      0      0      0  3     0x14200  syncer        update
 19572      0      0      0  3     0x14200  cleaner       cleaner
  9291      0      0      0  3     0x14200  reaper        reaper
 31035      0      0      0  3     0x14200  pgdaemon      pagedaemon
  9434      0      0      0  3     0x14200  bored         crypto
 13551      0      0      0  3     0x14200  pftm          pfpurge
  2480      0      0      0  3     0x14200  bored         sensors
 23352      0      0      0  3     0x14200  usbtsk        usbtask
  9784      0      0      0  3     0x14200  usbatsk       usbatsk
 12107      0      0      0  3  0x40014200  acpi0         acpi0
 27369      0      0      0  7  0x40014200                idle3
 10730      0      0      0  7  0x40014200                idle2
 31139      0      0      0  3  0x40014200                idle1
 10377      0      0      0  3     0x14200  bored         softnet
 10567      0      0      0  3     0x14200  bored         systqmp
 13628      0      0      0  3     0x14200  bored         systq
*30240      0      0      0  7  0x40014200                idle0
     1      0      1      0  3        0x82  wait          init
     0     -1      0      0  3     0x10200  scheduler     swapper
ddb{0}> show registers
ds                            0x39f8    __ALIGN_SIZE+0x29f8
es                             0xaf5
fs                               0xd
gs                            0x39f8    __ALIGN_SIZE+0x29f8
rdi                              0x1
rsi                            0x282
rbp               0xffff8000220339e8
rbx               0xffffffff816e0468    systqmp+0x16a8
rdx                                0
rcx               0xffffffff818819c0    cpu_info_primary
rax                              0x1
r8                0xffff800022033908
r9                                 0
r10               0xffff8000220338b0
r11                              0x8
r12                            0x100
r13               0xffff8000220339f8
r14                              0x2
r15                             0x1a
rip               0xffffffff813453a9    Debugger+0x9
cs                               0x8
rflags                         0x286
rsp               0xffff8000220339d8
ss                              0x10
Debugger+0x9:   leave
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim Kern Lim
         devbuf  1782   1411K    1412K  78643K      2829        0        0
            pcb    78     16K      17K  78643K       136        0        0
       routetbl    93      7K       7K  78643K       212        0        0
         ifaddr    53     13K      13K  78643K        54        0        0
         sysctl     3      2K       2K  78643K         7        0        0
       ioctlops     0      0K       4K  78643K      2581        0        0
          mount    13     13K      13K  78643K        13        0        0
      NFS mount     4      2K       2K  78643K         4        0        0
         vnodes  1408     88K      88K  78643K      1422        0        0
      UFS quota     1     32K      32K  78643K         1        0        0
      UFS mount    34     79K      79K  78643K        34        0        0
            shm     2      1K       1K  78643K         2        0        0
         VM map     2      0K       0K  78643K         2        0        0
            sem     2      0K       0K  78643K         2        0        0
        dirhash    57     11K      11K  78643K        57        0        0
           ACPI  4826    561K     633K  78643K     27133        0        0
      file desc    11      5K       6K  78643K        21        0        0
           proc    14      9K       9K  78643K        14        0        0
    VFS cluster     0      0K       0K  78643K         2        0        0
       MFS node     1      0K       0K  78643K         1        0        0
    Export Host     1      0K       0K  78643K         3        0        0
    NFS srvsock     1      0K       0K  78643K         1        0        0
     NFS daemon     5     16K      16K  78643K         5        0        0
       in_multi    14      0K       0K  78643K        14        0        0
    ether_multi     1      0K       0K  78643K         1        0        0
    ISOFS mount     1     32K      32K  78643K         1        0        0
  MSDOSFS mount     1     16K      16K  78643K         1        0        0
           ttys  1158    746K     746K  78643K      1158        0        0
           exec     0      0K       6K  78643K       880        0        0
     pfkey data     1      0K       0K  78643K         2        0        0
        pagedep     1      8K       8K  78643K         1        0        0
       inodedep     1     32K      32K  78643K         3        0        0
         newblk     1      0K       0K  78643K         1        0        0
       indirdep     0      0K      16K  78643K         1        0        0
        VM swap     7    586K     586K  78643K         7        0        0
       UVM amap  6699    778K     810K  78643K     44742        0        0
       UVM aobj    12      3K       3K  78643K        12        0        0
            USB   111     26K      26K  78643K       113        0        0
     USB device    37      2K       2K  78643K        37        0        0
        memdesc     1      4K       4K  78643K         1        0        0
    crypto data     1      1K       1K  78643K         1        0        0
    ip6_options     1      0K       0K  78643K         1        0        0
            NDP     6      0K       0K  78643K         6        0        0
           temp    77     43K     169K  78643K      4585        0        0
            DRM   156   2378K    2382K  78643K       173        0        0
ddb{0}> show proc
PROC (idle0) pid=30240 stat=onproc
    flags process=14000<NOZOMBIE,SYSTEM> proc=40000200<SYSTEM,CPUPEG>
    pri=0, usrpri=86, nice=20
    forw=0x762d790aea3d6084, list=0xffffff021f63b000,0xffffff021f63b480
    process=0xffffff021f5de278 user=0xffff80002202f000, 
vmspace=0xffffffff818f9280
    estcpu=36, cpticks=19064, pctcpu=0.0
    user=0, sys=0, intr=2
ddb{0}> show uvmexp
Current UVM status:
  pagesize=4096 (0x1000), pagemask=0xfff, pageshift=12
  1967082 VM pages: 44632 active, 1770 inactive, 3 wired, 1892855 free (236961 
zero)
  min  10% (25) anon, 10% (25) vnode, 5% (12) vtext
  pages  0 anon, 0 vnode, 0 vtext
  freemin=65569, free-target=87425, inactive-target=0, wired-max=655694
  faults=178888, traps=175500, intrs=11771, ctxswitch=51965 fpuswitch=86
  softint=25664, syscalls=383526, kmapent=18
  fault counts:
    noram=0, noanon=0, pgwait=0, pgrele=0
    ok relocks(total)=4874(4874), anget(retries)=82048(0), amapcopy=64795
    neighbor anon/obj pg=9104/67738, gets(lock/unlock)=26524/4874
    cases: anon=70576, anoncow=11472, obj=22599, prcopy=3925, przero=70251
  daemon and swap counts:
    woke=0, revs=0, scans=0, obscans=0, anscans=0
    busy=0, freed=0, reactivate=0, deactivate=0
    pageouts=0, pending=0, nswget=0
    nswapdev=1, nanon=0, nanonneeded=0 nfreeanon=0
    swpages=2098749, swpginuse=0, swpgonly=0 paging=0
  kernel pointers:
    objs(kern)=0xffffffff818c27e0
ddb{0}> callout
ticks now: 20933
    ticks  wheel       arg  func
      498  4d/1024d 0xffffff01da289470  endtsleep
       18  4d/1024d 0xffffff01d9ce0250  tcp_delack
       -1  4d/1024d 0xffff80000069aa00  nfs_timer
       -1  4d/1024d 0xffffffff81906dc0  net_tick
        0  4d/1024d 0x0  setperf_auto
       67  0d/8   d 0xffff8000000d1048  if_slowtimo
       67  0d/8   d 0xffff8000000fc090  if_slowtimo
       67  0d/8   d 0xffffffff818f0b60  pckbc_poll
       67  0d/8   d 0xffffffff818a2600  rt_timer_timer
       67  0d/8   d 0xffffffff818a20e0  schedcpu
       67  0d/8   d 0xffffff021f5cbb20  endtsleep
       67  0d/8   d 0x0  nd6_timer
        8  0d/205 d 0xffffffff818a2420  pffasttimo
       18  0d/215 d 0xffffffff818a23e0  pfslowtimo
       33  0d/230 d 0xffffff01db36fd50  endtsleep
       34  0d/231 d 0xffffff01db36f8e0  endtsleep
       57  0d/254 d 0xffffff01d9ce0020  tcp_timer_2msl
       57  0d/254 d 0xffff8000000fc000  re_tick
       67  1d/338 d 0xffff800000017400  acpi_poll
       67  1d/338 d 0xffff8000000c7d00  sensor_task_tick
       67  1d/338 d 0xffff8000000cb400  sensor_task_tick
      359  1d/339 d 0xffffff01da465b20  endtsleep
      500  1d/339 d 0xffffff01da4656b0  endtsleep
      560  1d/339 d 0xffffff01da234240  endtsleep
      597  1d/340 d 0xffffff01d8a2a488  tcp_timer_2msl
      656  1d/340 d 0xffff8000000cf000  drm_helper_hpd_irq_event
     1137  1d/342 d 0xffffff01d8a2a6b8  tcp_timer_2msl
     1677  1d/344 d 0xffffff01d8a2a8e8  tcp_timer_2msl
     2217  1d/346 d 0xffffff01d8a2ab18  tcp_timer_2msl
     2757  1d/348 d 0xffffff01d8a2ad48  tcp_timer_2msl
     3297  1d/350 d 0xffffff01d8a2a258  tcp_timer_2msl
     3837  1d/352 d 0xffffff01d8a2a028  tcp_timer_2msl
     4377  1d/354 d 0xffffff01d9ce08e0  tcp_timer_2msl
     4435  1d/355 d 0xffffff01db5be518  realitexpire
     4917  1d/356 d 0xffffff01d9ce0b10  tcp_timer_2msl
     4958  1d/357 d 0xffffff01da289d50  endtsleep
     5457  1d/359 d 0xffffff01d9ce0d40  tcp_timer_2msl
    10458  1d/378 d 0xffffffff818a2640  arptimer
    39067  1d/490 d 0x0  arc4_reinit
    40981  1d/497 d 0xffffff01d9ce3238  endtsleep
   339067  2d/517 d 0x0  nd6_slowtimo
   341051  2d/517 d 0xffffff01d90bb008  endtsleep
   348511  2d/517 d 0xffffff01d90bb478  endtsleep
   719998  2d/523 d 0xffffff01d9ce0250  tcp_timer_keep
  1421350  2d/534 d 0xffffff01d9f0bb20  endtsleep
  8620953  2d/643 d 0xffffff01d9f0b008  endtsleep
  8621096  2d/643 d 0xffffff01e2cb1d58  endtsleep
ddb{0}> ps /w
   PID  COMMAND           EMUL            WAIT-CHANNEL  WAIT-MSG
 26916  dd                native    0xffffff01d8b6e200  getblk
   790  sleep             native    0xffffffff818a20a8  nanosleep
 16419  perl              native    0xffffffff818a20a8  nanosleep
  7909  sh                native    0xffffff021e992540  pause
 18528  cron              native    0xffffff01d8369080  piperd
  4247  sh                native    0xffffff021e9921e0  pause
 10000  perl              native    0xffffffff818a20a8  nanosleep
 24107  ksh               native    0xffffff021f63a1b0  pause
 25720  getty             native    0xffff80000050d410  ttyin
 17251  getty             native    0xffff8000004e0c10  ttyin
 21816  getty             native    0xffff8000004e0010  ttyin
 25792  getty             native    0xffff8000004d2410  ttyin
 27641  getty             native    0xffff8000004c4810  ttyin
 22307  sh                native    0xffffff01d9c041d8  pause
  5347  sh                native    0xffffff01dadb0010  pause
 23331  cron              native    0xffffff01e2bf8f00  piperd
  6158  cron              native    0xffffff01e2bf8960  piperd
 23947  cron              native    0xffffffff81904448  poll
  8704  apmd              native    0xffffff01dae73b40  kqread
 20169  apcupsd           native                   0x0
  7491  apcupsd           native    0xffffffff818a2078  sigwait
   820  apcupsd           native    0xffffffff81904448  select
 30745  nmbd              native    0xffffffff81904448  poll
 21377  smbd              native    0xffffffff81904448  poll
 30807  smbd              native    0xffffffff81904448  poll
   662  sndiod            native    0xffffffff81904448  poll
 32353  smtpd             native    0xffffff01dae73a00  kqread
 31775  smtpd             native    0xffffff01dae73500  kqread
  6539  smtpd             native    0xffffff01dae73640  kqread
 11711  smtpd             native    0xffffff01dae738c0  kqread
 23602  smtpd             native    0xffffff01dae73780  kqread
 12815  smtpd             native    0xffffff01dae733c0  kqread
  9708  smtpd             native    0xffffff01dae73280  kqread
 18347  lpd               native    0xffffffff81904448  select
  1534  sshd              native    0xffffffff81904448  select
 31949  nfsio             native    0xffffffff81921500  nfsidl
  1151  nfsio             native    0xffffffff81921500  nfsidl
 20004  nfsio             native    0xffff80000069aa40  nfsrcvlk
  6326  nfsio             native    0xffffff01da4ba6c8  netio
 11227  nfsd              native    0xffff800000695fc0  nfsd
  2401  nfsd              native    0xffff800000692fc0  nfsd
 28351  nfsd              native    0xffff800000695f00  nfsd
 11723  nfsd              native    0xffff800000679600  nfsd
 27093  nfsd              native    0xffffff01da50acbe  netcon
  6235  mountd            native    0xffffffff81904448  poll
  2311  portmap           native    0xffffffff81904448  poll
  4706  ntpd              native    0xffffffff81904448  poll
 23037  ntpd              native    0xffffffff81904448  poll
  5497  ntpd              native    0xffffffff81904448  poll
 27817  unbound           native    0xffffff01dae73140  kqread
 20949  pflogd            native    0xffff800000675c00  bpf
 16915  pflogd            native    0xffffff01daec6398  netio
 14497  syslogd           native    0xffffff01dae73000  kqread
  4216  syslogd           native    0xffffff01daec6088  netio
 31135  dhclient          native    0xffffffff81904448  poll
 21643  dhclient          native    0xffffffff81904448  poll
  8966  mount_mfs         native    0xffffff021e7e0b08  mfsidl
 13251  ttm_swap          native    0xffff8000001b58c0  bored
 23958  zerothread        native    0xffffffff81924944  pgzero
  8226  aiodoned          native    0xffffffff81924b00  aiodoned
 11051  update            native    0xffffffff819028e8  syncer
 19572  cleaner           native    0xffffffff81905fe0  cleaner
  9291  reaper            native    0xffffffff8186eaf0  reaper
 31035  pagedaemon        native    0xffffffff81924af0  pgdaemon
  9434  crypto            native    0xffff8000000aad80  bored
 13551  pfpurge           native    0xffffffff81130250  pftm
  2480  sensors           native    0xffff8000000ca140  bored
 23352  usbtask           native    0xffffffff818eda84  usbtsk
  9784  usbatsk           native    0xffffffff818eda88  usbatsk
 12107  acpi0             native    0xffff800000017400  acpi0
 27369  idle3             native                   0x0
 10730  idle2             native                   0x0
 31139  idle1             native                   0x0
 10377  softnet           native    0xffff800000018040  bored
 10567  systqmp           native    0xffffffff8186f680  bored
 13628  systq             native    0xffffffff8186f640  bored
*30240  idle0             native                   0x0
     1  init              native    0xffffff021f5de000  wait
     0  swapper           native    0xffffffff818f9600  scheduler
ddb{0}> ps /a
   PID  COMMAND          STRUCT PROC *             UAREA *      VMSPACE/VM_MAP
 26916  dd          0xffffff01da465478  0xffff800023043000  0xffffff01d8ba6780
   790  sleep       0xffffff01da465b20  0xffff800022eb5000  0xffffff01d8ba64b0
 16419  perl        0xffffff01d90bb478  0xffff800022fda000  0xffffff01d8ba65a0
  7909  sh          0xffffff01d90bb240  0xffff800022fd5000  0xffffff01d8ba61e0
 18528  cron        0xffffff01d90bbb20  0xffff800022f47000  0xffffff01d8ba6690
  4247  sh          0xffffff01d90bb6b0  0xffff800023072000  0xffffff01d8ba63c0
 10000  perl        0xffffff01d90bb008  0xffff800023063000  0xffffff01d8ba60f0
 24107  ksh         0xffffff01da289000  0xffff80002305e000  0xffffff01d8ba6000
 25720  getty       0xffffff01da465008  0xffff800023059000  0xffffff021f5dd690
 17251  getty       0xffffff01e2cb1008  0xffff800023054000  0xffffff021f5dd0f0
 21816  getty       0xffffff01d99cfd50  0xffff800022fe7000  0xffffff01db5cc1e8
 25792  getty       0xffffff01d99cfb18  0xffff800022fe2000  0xffffff01db5cc0f8
 27641  getty       0xffffff01d99cf8e0  0xffff800022f35000  0xffffff01db5cc968
 22307  sh          0xffffff01d99cf238  0xffff80002303e000  0xffffff01db5cc878
  5347  sh          0xffffff01da289238  0xffff800022fff000  0xffffff01db5ccf08
 23331  cron        0xffffff01da4658e8  0xffff800022fcb000  0xffffff01d9158a60
  6158  cron        0xffffff01da465240  0xffff800022fbc000  0xffffff021f5dda50
 23947  cron        0xffffff01da4656b0  0xffff800022fc6000  0xffffff01d9158c40
  8704  apmd        0xffffff01d9ce3238  0xffff800022fc1000  0xffffff021f5dd2d0
 20169  apcupsd     0xffffff01d9f0b8e8  0xffff800022fb7000  0xffffff01d9158970
  7491  apcupsd     0xffffff01d9f0b240  0xffff800022fb2000  0xffffff01d9158970
   820  apcupsd     0xffffff01d90bbd58  0xffff800022fd0000  0xffffff01d9158970
 30745  nmbd        0xffffff01da234240  0xffff800022fad000  0xffffff01d9158f10
 21377  smbd        0xffffff01da289d50  0xffff800022f88000  0xffffff01d9158e20
 30807  smbd        0xffffff01d9f0b008  0xffff800022f7b000  0xffffff01d9158d30
   662  sndiod      0xffffff01d9f0bd58  0xffff800022f3a000  0xffffff01d9158b50
 32353  smtpd       0xffffff01d9f0b478  0xffff800022f6c000  0xffffff01d9158790
 31775  smtpd       0xffffff01d9f0bb20  0xffff800022f67000  0xffffff01d91586a0
  6539  smtpd       0xffffff01d9f0b6b0  0xffff800022ed3000  0xffffff01d9158100
 11711  smtpd       0xffffff01d9ce3d50  0xffff800022f53000  0xffffff01d91585b0
 23602  smtpd       0xffffff01d9ce38e0  0xffff800022f4e000  0xffffff01d91582e0
 12815  smtpd       0xffffff01d9ce3470  0xffff800022f5d000  0xffffff01d91581f0
  9708  smtpd       0xffffff01d9ce3000  0xffff800022ebf000  0xffffff01d91584c0
 18347  lpd         0xffffff01d9ce3b18  0xffff800022f76000  0xffffff01d91583d0
  1534  sshd        0xffffff01d9ce36a8  0xffff800022f71000  0xffffff01d9158010
 31949  nfsio       0xffffff01da289b18  0xffff800022f30000  0xffffffff818f9280
  1151  nfsio       0xffffff01da2898e0  0xffff800022f2b000  0xffffffff818f9280
 20004  nfsio       0xffffff01da2896a8  0xffff800022f26000  0xffffffff818f9280
  6326  nfsio       0xffffff01da289470  0xffff800022f21000  0xffffffff818f9280
 11227  nfsd        0xffffff01db36f6a8  0xffff800022f1c000  0xffffff01db5cc698
  2401  nfsd        0xffffff01db36f470  0xffff800022f17000  0xffffff01db5cc5a8
 28351  nfsd        0xffffff01da2346b0  0xffff800022f12000  0xffffff01db5cc4b8
 11723  nfsd        0xffffff01e2cb18e8  0xffff800022eea000  0xffffff01db5cc2d8
 27093  nfsd        0xffffff01da234d58  0xffff800022f0d000  0xffffff01db5cc3c8
  6235  mountd      0xffffff01da234b20  0xffff800022f08000  0xffffff01db5cc008
  2311  portmap     0xffffff01da2348e8  0xffff800022f03000  0xffffff021f5ddf00
  4706  ntpd        0xffffff01da234008  0xffff800022efe000  0xffffff021f5dde10
 23037  ntpd        0xffffff01e2cb1240  0xffff800022ef9000  0xffffff021f5ddd20
  5497  ntpd        0xffffff01db36fd50  0xffff800022ef4000  0xffffff021f5ddc30
 27817  unbound     0xffffff01e2cb1478  0xffff800022eef000  0xffffff021f5ddb40
 20949  pflogd      0xffffff01db36f8e0  0xffff800022eba000  0xffffff021f5dd1e0
 16915  pflogd      0xffffff01db36fb18  0xffff800022ed8000  0xffffff021f5dd960
 14497  syslogd     0xffffff01db36f238  0xffff800022ee5000  0xffffff021f5dd870
  4216  syslogd     0xffffff01db36f000  0xffff800022ee0000  0xffffff021f5dd780
 31135  dhclient    0xffffff01e2cb1d58  0xffff800022ec9000  0xffffff021f5dd4b0
 21643  dhclient    0xffffff01e2cb1b20  0xffff800022ece000  0xffffff021f5dd5a0
  8966  mount_mfs   0xffffff01e2cb16b0  0xffff800022ec4000  0xffffff021f5dd3c0
 13251  ttm_swap    0xffffff021f511d50  0xffff80002288e000  0xffffffff818f9280
 23958  zerothread  0xffffff021f511b18  0xffff800022089000  0xffffffff818f9280
  8226  aiodoned    0xffffff021f5118e0  0xffff800022084000  0xffffffff818f9280
 11051  update      0xffffff021f5116a8  0xffff80002207f000  0xffffffff818f9280
 19572  cleaner     0xffffff021f511470  0xffff80002207a000  0xffffffff818f9280
  9291  reaper      0xffffff021f511238  0xffff800022075000  0xffffffff818f9280
 31035  pagedaemon  0xffffff021f511000  0xffff800022070000  0xffffffff818f9280
  9434  crypto      0xffffff021f5cbd58  0xffff80002206b000  0xffffffff818f9280
 13551  pfpurge     0xffffff021f5cbb20  0xffff800022066000  0xffffffff818f9280
  2480  sensors     0xffffff021f5cb8e8  0xffff800022061000  0xffffffff818f9280
 23352  usbtask     0xffffff021f5cb6b0  0xffff80002205c000  0xffffffff818f9280
  9784  usbatsk     0xffffff021f5cb478  0xffff800022057000  0xffffffff818f9280
 12107  acpi0       0xffffff021f5cb240  0xffff800022052000  0xffffffff818f9280
 27369  idle3       0xffffff021f5cb008  0xffff80002204d000  0xffffffff818f9280
 10730  idle2       0xffffff021f63bd50  0xffff800022048000  0xffffffff818f9280
 31139  idle1       0xffffff021f63bb18  0xffff800022043000  0xffffffff818f9280
 10377  softnet     0xffffff021f63b8e0  0xffff80002203e000  0xffffffff818f9280
 10567  systqmp     0xffffff021f63b6a8  0xffff800022039000  0xffffffff818f9280
 13628  systq       0xffffff021f63b470  0xffff800022034000  0xffffffff818f9280
*30240  idle0       0xffffff021f63b238  0xffff80002202f000  0xffffffff818f9280
     1  init        0xffffff021f63b000  0xffff80002202a000  0xffffff021f5dd000
     0  swapper     0xffffffff818f9600  0xffffffff81a16000  0xffffffff818f9280
ddb{0}> show bcstats
Current Buffer Cache status:
numbufs 4235 busymapped 2, delwri 2
kvaslots 6553 avail kva slots 6551
bufpages 14170, dirtypages 8
pendingreads 2, pendingwrites 0
ddb{0}> show all pools
Name      Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp         56        9    0        0     1     0     1     1     0     8    0
inpcbpl    288      196    0      129     6     0     6     6     0     8    0
plimitpl   152       45    0       12     2     0     2     2     0     8    0
sackhl      24        6    0        6     1     0     1     1     0     8    1
tcpqe       32       39    0       39     1     0     1     1     0     8    1
tcpcb      560       76    0       43     6     0     6     6     0     8    0
rtmask      32        9    0        0     1     0     1     1     0     8    0
rtentry    192       33    0        0     2     0     2     2     0     8    0
pfosfp      40      840    0      420     5     0     5     5     0     8    0
pfosfpen   112     1420    0      710    21     0    21    21     0     8    0
pfstitem    24      108    0       74     1     0     1     1     0     8    0
pfstkey    104      108    0       74     2     0     2     2     0     8    0
pfstate    312      108    0       74     6     0     6     6     0     8    3
pfrule     1336      19    0       16     7     0     7     7     0     8    5
nfsnodepl  472        8    0        0     1     0     1     1     0     8    0
dirhash    1024     119    0        0    30     0    30    30     0     8    0
dirrem      64        4    0        4     1     0     1     1     0     8    1
diradd      56        4    0        4     1     0     1     1     0     8    1
freefile    48        3    0        3     1     0     1     1     0     8    1
freeblks   192       12    0       12     1     0     1     1     0     8    1
allocindir 104        1    0        1     1     0     1     1     0     8    1
indirdep    56        1    0        1     1     0     1     1     0     8    1
allocdir   128       10    0       10     1     0     1     1     0     8    1
bmsafemap   64        8    0        8     1     0     1     1     0     8    1
newblk      64       11    0       11     1     0     1     1     0     8    1
inodedep   152       13    0       13     1     0     1     1     0     8    1
pagedep    128        5    0        5     1     0     1     1     0     8    1
dino1pl    128     2454    0      106    76     0    76    76     0     8    0
ffsino     240     2454    0      106   139     0   139   139     0     8    0
nchpl      144     4123    0      164   147     0   147   147     0     8    0
uvmvnodes   72     2487    0        0    46     0    46    46     0     8    0
vnodes     200     2487    0        0   131     0   131   131     0     8    0
namei      1024   14216    0    14216     4     0     4     4     0     8    4
nfsreqpl    96     1393    0     1391     1     0     1     1     0     8    0
ohcixfer   224      369    0      358     1     0     1     1     0     8    0
ehcixfer   264      106    0      104     1     0     1     1     0     8    0
drmobjpl   696       10    0        0     2     0     2     2     0     8    0
scxspl     192     5007    0     5007     2     0     2     2     0     8    2
sigapl     432      464    0      412     7     0     7     7     0     8    0
knotepl    112      449    0      377     3     0     3     3     0     8    0
kqueuepl   320       10    0        0     1     0     1     1     0     8    0
pipepl     120      484    0      461     2     0     2     2     0     8    0
fdescpl    440      465    0      412     7     0     7     7     0     8    0
filepl     120     4966    0     4730     8     0     8     8     0     8    0
lockfpl     88      708    0      690     1     0     1     1     0     8    0
sessionpl   64       36    0        5     1     0     1     1     0     8    0
pgrppl      40       46    0       14     1     0     1     1     0     8    0
ucredpl     96      325    0      277     2     0     2     2     0     8    0
zombiepl   144      412    0      412     1     0     1     1     0     8    1
processpl  632      488    0      412    14     0    14    14     0     8    0
procpl     568      490    0      412    12     0    12    12     0     8    0
sockpl     392      319    0      187    14     0    14    14     0     8    0
mcl8k      8192    2077    0     2072     8     0     8     8     8  6144    3
mcl8k: pool(0xffffffff81905290:mcl8k): free list modified: page 
0xffffff0001a42000; item ordinal 0; addr 0xffffff0001a42000 (p 
0xffffff021f7d6000); offset 0x0=0xecd2cbe8ce5e5f46
pool(mcl8k): free list modified: page 0xffffff0001a42000; item ordinal 0; addr 
0xffffff0001a42000 (p 0xffffff021f7d6000); offset 0x0=0xb24fc372
mcl8k: pool(0xffffffff81905290:mcl8k): page inconsistency: page 
0xffffff0001a42000; item ordinal 1; addr 0x4db7e8a7180b103
mcl8k: pool(0xffffffff81905290:mcl8k): free list modified: page 
0xffffff0001a4e000; item ordinal 0; addr 0xffffff0001a4e000 (p 
0xffffff021f7d6000); offset 0x0=0x3c2862a624713d01
pool(mcl8k): free list modified: page 0xffffff0001a4e000; item ordinal 0; addr 
0xffffff0001a4e000 (p 0xffffff021f7d6000); offset 0x0=0xd2fea097
mcl8k: pool(0xffffffff81905290:mcl8k): page inconsistency: page 
0xffffff0001a4e000; item ordinal 1; addr 0xccddaefdf31f1ba6
mcl2k      2048      11    0       11     4     0     4     4     4  3072    4
mtagpl      72        1    0        1     1     0     1     1     0     8    1
mbufpl     256    12937    0    12898     5     0     5     5     1   384    1
bufpl      256     5326    0      874   279     0   279   279     0     8    0
anonpl      16    85648    0    44094   175     0   175   175     0   494    2
amappl      72    44145    0    37500   151     0   151   151     0    75   15
dma4096    4096       5    0        5     1     0     1     1     0     8    1
dma512     512       31    0       26     1     0     1     1     0     8    0
dma256     256       58    0       58     1     0     1     1     0     8    1
dma128     128        1    0        1     1     0     1     1     0     8    1
dma64       64       10    0       10     1     0     1     1     0     8    1
dma32       32       53    0       53     1     0     1     1     0     8    1
dma16       16        9    0        9     1     0     1     1     0     8    1
aobjpl      64       11    0        0     1     0     1     1     0     8    0
uaddrrnd    24      465    0      412     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24      465    0      412     1     0     1     1     0     8    0
vmmpekpl   168     3235    0     3218     1     0     1     1     0     8    0
vmmpepl    168   162332    0   153089   550     0   550   550     0   357  133
vmsppl     240      464    0      412     4     0     4     4     0     8    0
pdppl      4096     464    0      412    57     2    55    57     0     8    3
pvpl        32   265682    0   245488   297     5   292   297     0   265  115
pmappl     168      464    0      412     3     0     3     3     0     8    0
extentpl    40      114    0       54     1     0     1     1     0     8    0
phpool     112      576    0        2    17     0    17    17     0     8    0
ddb{0}> show all pools /a
Name                    Address          Allocator
arp          0xffffffff81907e00 0xffffffff8186f790
inpcbpl      0xffffffff8190c000 0xffffffff8186f790
plimitpl     0xffffffff818fd660 0xffffffff8186f790
swp vnd      0xffffffff81925540 0xffffffff8186f790
swp vnx      0xffffffff819253e0 0xffffffff8186f790
syncache     0xffffffff8191e660 0xffffffff8186f790
sackhl       0xffffffff8191eb60 0xffffffff8186f790
tcpqe        0xffffffff819209a0 0xffffffff8186f790
tcpcb        0xffffffff8191ecc0 0xffffffff8186f790
ipq          0xffffffff8190c600 0xffffffff8186f790
ipqe         0xffffffff8190c8c0 0xffffffff8186f790
rttmr        0xffffffff81907960 0xffffffff8186f790
rtmask       0xffffffff819077a0 0xffffffff8186f790
rtentry      0xffffffff81907ac0 0xffffffff8186f790
cryptodesc   0xffffffff819213a0 0xffffffff8186f790
cryptop      0xffffffff81921240 0xffffffff8186f790
mppekey      0xffffffff81906fc0 0xffffffff8186f790
ppxss        0xffffffff81907340 0xffffffff8186f790
strpolpl     0xffffffff818f8220 0xffffffff8186f790
strprocpl    0xffffffff818f8380 0xffffffff8186f790
pfstscr      0xffffffff818f34e0 0xffffffff8186f790
pffrag       0xffffffff818f3640 0xffffffff8186f790
pffrent      0xffffffff818f3360 0xffffffff8186f790
pfosfp       0xffffffff818f5420 0xffffffff8186f790
pfosfpen     0xffffffff818f52c0 0xffffffff8186f790
pfrkcounters 0xffffffff818f4ce0 0xffffffff8186f790
pfrke_cost   0xffffffff818f4a10 0xffffffff8186f790
pfrke_route  0xffffffff818f48c8 0xffffffff8186f790
pfrke_plain  0xffffffff818f4780 0xffffffff8186f790
pfrktable    0xffffffff818f4b60 0xffffffff8186f790
hfscintsc    0xffffffff818f5860 0xffffffff8186f790
hfscclass    0xffffffff818f5700 0xffffffff8186f790
pfqueue      0xffffffff818f2cc0 0xffffffff8186f790
pfruleitem   0xffffffff818f3200 0xffffffff8186f790
pfstitem     0xffffffff818f2f40 0xffffffff8186f790
pfstkey      0xffffffff818f2080 0xffffffff8186f790
pfstate      0xffffffff818f2a00 0xffffffff8186f790
pfsnitem     0xffffffff818f1f00 0xffffffff8186f790
pfsrctr      0xffffffff818f30a0 0xffffffff8186f790
pfrule       0xffffffff818f2b60 0xffffffff8186f790
sysvmsgpl    0xffffffff81904600 0xffffffff8186f790
semupl       0xffffffff819047a0 0xffffffff8186f790
semapl       0xffffffff81904900 0xffffffff8186f790
shmpl        0xffffffff81904a80 0xffffffff8186f790
tmpfs_node   0xffffffff81906c40 0xffffffff8186f790
tmpfs_dirent 0xffffffff81906ae0 0xffffffff8186f790
fmsg         0xffffffff818f1be0 0xffffffff8186f790
udfdspl      0xffffffff818f8f00 0xffffffff8186f790
udfndpl      0xffffffff818f8c40 0xffffffff8186f790
udftrpl      0xffffffff818f8da0 0xffffffff8186f790
nfsnodepl    0xffffffff81921520 0xffffffff8186f790
ext2dinopl   0xffffffff81923b40 0xffffffff8186f790
ext2inopl    0xffffffff819239e0 0xffffffff8186f790
dirhash      0xffffffff819237c0 0xffffffff8186f790
newdirblk    0xffffffff81922f40 0xffffffff8186f790
dirrem       0xffffffff81923640 0xffffffff8186f790
mkdir        0xffffffff819227c0 0xffffffff8186f790
diradd       0xffffffff81922500 0xffffffff8186f790
freefile     0xffffffff81922660 0xffffffff8186f790
freeblks     0xffffffff81923220 0xffffffff8186f790
freefrag     0xffffffff81922c00 0xffffffff8186f790
allocindir   0xffffffff81922de0 0xffffffff8186f790
indirdep     0xffffffff819230c0 0xffffffff8186f790
allocdir     0xffffffff81922aa0 0xffffffff8186f790
bmsafemap    0xffffffff819223a0 0xffffffff8186f790
newblk       0xffffffff819234e0 0xffffffff8186f790
inodedep     0xffffffff81922920 0xffffffff8186f790
pagedep      0xffffffff81923380 0xffffffff8186f790
dino2pl      0xffffffff81921f60 0xffffffff8186f790
dino1pl      0xffffffff819220c0 0xffffffff8186f790
ffsino       0xffffffff81922220 0xffffffff8186f790
nchpl        0xffffffff81906060 0xffffffff8186f790
uvmvnodes    0xffffffff81906540 0xffffffff8186f790
vnodes       0xffffffff819066a0 0xffffffff8186f790
namei        0xffffffff81906260 0xffffffff8186f790
nfsreqpl     0xffffffff819216e0 0xffffffff8186f790
ndscpl       0xffffffff81921ac0 0xffffffff8186f790
ohcixfer     0xffff800000168000 0xffffffff8186f790
wdcxfer      0xffffffff818f0980 0xffffffff8186f790
ehcixfer     0xffff800000151a00 0xffffffff8186f790
pfiaddrpl    0xffffffff818f55a0 0xffffffff8186f790
drmobjpl     0xffff8000000cf3d8 0xffffffff8186f790
scsiplug     0xffffffff8192bc00 0xffffffff8186f790
scxspl       0xffffffff8192baa0 0xffffffff8186f790
sigapl       0xffffffff818fda20 0xffffffff8186f790
knotepl      0xffffffff818f9da0 0xffffffff8186f790
kqueuepl     0xffffffff818f9c40 0xffffffff8186f790
pipepl       0xffffffff81904480 0xffffffff8186f790
fdescpl      0xffffffff818f9980 0xffffffff8186f790
filepl       0xffffffff818f9ae0 0xffffffff8186f790
lockfpl      0xffffffff819063c0 0xffffffff8186f790
sessionpl    0xffffffff818fcf60 0xffffffff8186f790
pgrppl       0xffffffff818fd240 0xffffffff8186f790
ucredpl      0xffffffff818fd3a0 0xffffffff8186f790
zombiepl     0xffffffff818fd500 0xffffffff8186f790
processpl    0xffffffff818fce00 0xffffffff8186f790
procpl       0xffffffff818fd0c0 0xffffffff8186f790
sosppl       0xffffffff81905bc0 0xffffffff8186f790
sockpl       0xffffffff81905a60 0xffffffff8186f790
mcl64k       0xffffffff819057b0 0xffffffff8186f7b0
mcl16k       0xffffffff81905668 0xffffffff8186f7b0
mcl12k       0xffffffff81905520 0xffffffff8186f7b0
mcl9k        0xffffffff819053d8 0xffffffff8186f7b0
mcl8k        0xffffffff81905290 0xffffffff8186f7b0
mcl4k        0xffffffff81905148 0xffffffff8186f790
mcl2k        0xffffffff81905000 0xffffffff8186f790
mtagpl       0xffffffff81905900 0xffffffff8186f790
mbufpl       0xffffffff81904ea0 0xffffffff8186f790
bufpl        0xffffffff81905e60 0xffffffff8186f790
anonpl       0xffffffff81924500 0xffffffff8186f790
amappl       0xffffffff819243a0 0xffffffff8186f790
dma65536     0xffffffff81903e40 0xffffffff8186f7b0
dma32768     0xffffffff81903cf8 0xffffffff8186f7b0
dma16384     0xffffffff81903bb0 0xffffffff8186f7b0
dma8192      0xffffffff81903a68 0xffffffff8186f7b0
dma4096      0xffffffff81903920 0xffffffff8186f790
dma2048      0xffffffff819037d8 0xffffffff8186f790
dma1024      0xffffffff81903690 0xffffffff8186f790
dma512       0xffffffff81903548 0xffffffff8186f790
dma256       0xffffffff81903400 0xffffffff8186f790
dma128       0xffffffff819032b8 0xffffffff8186f790
dma64        0xffffffff81903170 0xffffffff8186f790
dma32        0xffffffff81903028 0xffffffff8186f790
dma16        0xffffffff81902ee0 0xffffffff8186f790
aobjpl       0xffffffff819247c0 0xffffffff8186f790
uaoeltpl     0xffffffff81924660 0xffffffff8186f790
uaddrrnd     0xffffffff81923e00 0xffffffff8186f790
uaddrpivot   0xffffffff81923ca0 0xffffffff8186f790
uaddrbest    0xffffffff81923f80 0xffffffff8186f790
uaddrhint    0xffffffff819240e0 0xffffffff8186f790
uaddr        0xffffffff81924240 0xffffffff8186f790
vmmpekpl     0xffffffff81924e20 0xffffffff8186f790
vmmpepl      0xffffffff81924b60 0xffffffff8186f790
vmsppl       0xffffffff81924cc0 0xffffffff8186f790
pdppl        0xffffffff8192b3c0 0xffffffff8186f790
pvpl         0xffffffff8192b100 0xffffffff8186f790
pmappl       0xffffffff8192b260 0xffffffff8186f790
extentpl     0xffffffff81902960 0xffffffff8186f790
phpool       0xffffffff81902d80 0xffffffff8186f790
ddb{0}> show extents
extent `swap0x0000' (0x0 - 0x20063d), flags=0
     0x0 - 0x0
     0x20063c - 0x20063c
extent `swapmap' (0x1 - 0x7fffffff), flags=0
     0x1 - 0x20063e
extent `ppb2 pcipmem' (0x0 - 0xffffffffffffffff), flags=0
     0x0 - 0xfaefffff
     0xfaff0000 - 0xffffffffffffffff
extent `ppb2 pcimem' (0x0 - 0xffffffffffffffff), flags=0
     0x0 - 0xfbefffff
     0xfbfc0000 - 0xfbfdffff
     0xfbfff000 - 0xffffffffffffffff
extent `ppb2 pciio' (0x0 - 0xffffffff), flags=0
     0x0 - 0xdfff
     0xe800 - 0xe8ff
     0xf000 - 0xffffffff
extent `ppb1 pcimem' (0x0 - 0xffffffffffffffff), flags=0
     0x0 - 0xfbdfffff
     0xfbefc000 - 0xffffffffffffffff
extent `ppb1 pciio' (0x0 - 0xffffffff), flags=0
     0x0 - 0xcfff
     0xd800 - 0xd8ff
     0xe000 - 0xffffffff
extent `drmext' (0x40000000 - 0x7fffffffffffffff), flags=2<NOCOALESCE>
extent `ppb0 pcipmem' (0x0 - 0xffffffffffffffff), flags=0
     0x0 - 0xffffffffffffffff
extent `ppb0 pcimem' (0x0 - 0xffffffffffffffff), flags=0
     0x0 - 0xfbcfffff
     0xfbde8000 - 0xfbdebfff
     0xfbdf0000 - 0xffffffffffffffff
extent `ppb0 pciio' (0x0 - 0xffffffff), flags=0
     0x0 - 0xc0ff
     0xd000 - 0xffffffff
extent `pcibus' (0x0 - 0xff), flags=0
     0x0 - 0x4
extent `pcimem' (0x0 - 0xffffffffffffffff), flags=0
     0x0 - 0xdfffffff
     0xfaf00000 - 0xfaffffff
     0xfbbf4000 - 0xfbbf7fff
     0xfbbf9000 - 0xfbbf9fff
     0xfbbfa800 - 0xfbbfa8ff
     0xfbbfb000 - 0xfbbff0ff
     0xfbbff800 - 0xfbbffbff
     0xfbc00000 - 0xfbffffff
     0xff700000 - 0xffffffff
     0x40000000000 - 0xffffffffffffffff
extent `pciio' (0x0 - 0xffffffff), flags=0
     0x7000 - 0x700f
     0x8000 - 0x8003
     0x9000 - 0x9007
     0xa000 - 0xa003
     0xb000 - 0xb007
     0xc000 - 0xefff
     0xff00 - 0xff0f
     0x10000 - 0xffffffff
extent `iomem' (0x0 - 0xffffffffffff), flags=3<NOCOALESCE,FIXED>
     0x23000 - 0x9dfff
     0xa0000 - 0xbffff
     0x100000 - 0xffffff
     0x1000000 - 0xcff7ffff
     0xd0040000 - 0xd013ffff
     0xd0140000 - 0xd0140fff
     0xd0142000 - 0xd0441fff
     0xfbbf4000 - 0xfbbf7fff
     0xfbbf9000 - 0xfbbf9fff
     0xfbbfa800 - 0xfbbfa8ff
     0xfbbfb000 - 0xfbbfbfff
     0xfbbfc000 - 0xfbbfcfff
     0xfbbfd000 - 0xfbbfdfff
     0xfbbfe000 - 0xfbbfefff
     0xfbbff000 - 0xfbbff0ff
     0xfbbff800 - 0xfbbffbff
     0xfbdf0000 - 0xfbdfffff
     0xfbefc000 - 0xfbefffff
     0xfed00000 - 0xfed003ff
     0x100000000 - 0x21fffffff
extent `ioport' (0x0 - 0xffff), flags=3<NOCOALESCE,FIXED>
     0x0 - 0xb
     0x2e - 0x2f
     0x40 - 0x43
     0x60 - 0x60
     0x61 - 0x61
     0x64 - 0x64
     0x80 - 0x8e
     0xb0 - 0xb0
     0xc0 - 0xd7
     0x170 - 0x177
     0x1f0 - 0x1f7
     0x290 - 0x297
     0x376 - 0x376
     0x378 - 0x37b
     0x3c0 - 0x3cf
     0x3d0 - 0x3df
     0x3f0 - 0x3f5
     0x3f6 - 0x3f6
     0x3f7 - 0x3f7
     0x3f8 - 0x3ff
     0x800 - 0x801
     0x802 - 0x803
     0x804 - 0x805
     0x808 - 0x80b
     0x820 - 0x823
     0x824 - 0x827
     0x8ff - 0x8ff
     0xb00 - 0xb0f
     0xc000 - 0xc0ff
     0xe800 - 0xe8ff
     0xff00 - 0xff0f
ddb{0}> boot sync
syncing disks... panic: assertwaitok: non-zero mutex count: 1
Stopped at      Debugger+0x9:   leave
RUN AT LEAST 'trace' AND 'ps' AND INCLUDE OUTPUT WHEN REPORTING THIS PANIC!
IF RUNNING SMP, USE 'mach ddbcpu <#>' AND 'trace' ON OTHER PROCESSORS, TOO.
DO NOT EVEN BOTHER REPORTING THIS WITHOUT INCLUDING THAT INFORMATION!
ddb{0}> show registers
ds                            0x17f8    __ALIGN_SIZE+0x7f8
es                            0x3240    __ALIGN_SIZE+0x2240
fs                             0xaf5
gs                               0xd
rdi                              0x1
rsi                            0x296
rbp               0xffff800022033230
rbx               0xffffffff816e17f8    systqmp+0x2a38
rdx                                0
rcx               0xffffffff818819c0    cpu_info_primary
rax                              0x1
r8                0xffff800022033150
r9                                 0
r10               0xffff8000220330f8
r11                              0x8
r12                            0x104
r13               0xffff800022033240
r14                              0x4
r15                                0
rip               0xffffffff813453a9    Debugger+0x9
cs                               0x8
rflags                         0x282
rsp               0xffff800022033220
ss                              0x10
Debugger+0x9:   leave
ddb{0}> trace
Debugger() at Debugger+0x9
panic() at panic+0xfe
assertwaitok() at assertwaitok+0x52
bufq_wait() at bufq_wait+0x2d
bwrite() at bwrite+0xf6
VOP_BWRITE() at VOP_BWRITE+0x38
ffs_fsync() at ffs_fsync+0x13f
VOP_FSYNC() at VOP_FSYNC+0x3c
ffs_sync_vnode() at ffs_sync_vnode+0x6a
vfs_mount_foreach_vnode() at vfs_mount_foreach_vnode+0x35
ffs_sync() at ffs_sync+0x89
sys_sync() at sys_sync+0x87
vfs_syncwait() at vfs_syncwait+0x50
vfs_shutdown() at vfs_shutdown+0x36
boot() at boot+0x148
reboot() at reboot+0x26
db_boot_sync_cmd() at db_boot_sync_cmd+0x12
db_command() at db_command+0x13a
db_command_loop() at db_command_loop+0xb0
db_trap() at db_trap+0xe4
kdb_trap() at kdb_trap+0xf0
trap() at trap+0x15d
--- trap (number 1) ---
Debugger() at Debugger+0x9
panic() at panic+0xfe
pool_runqueue() at pool_runqueue
pool_get() at pool_get+0xb5
m_clget() at m_clget+0x51
re_newbuf() at re_newbuf+0x34
re_rx_list_fill() at re_rx_list_fill+0x35
re_rxeof() at re_rxeof+0x333
re_intr() at re_intr+0x19b
intr_handler() at intr_handler+0x67
Xintr_ioapic_edge18() at Xintr_ioapic_edge18+0xdd
--- interrupt ---
cpu_idle_mwait_cycle() at cpu_idle_mwait_cycle+0x62
cpu_idle_cycle() at cpu_idle_cycle+0x10
end trace frame: 0x0, count: -35
ddb{0}> ps
   PID   PPID   PGRP    UID  S       FLAGS  WAIT          COMMAND
 26916  24107  26916      0  3        0x83  getblk        dd
   790   4247  22307   1000  3        0x82  nanosleep     sleep
 16419   7909   7909   1000  3        0x82  nanosleep     perl
  7909  18528   7909   1000  3        0x8a  pause         sh
 18528  23947  23947      0  3        0x80  piperd        cron
  4247  22307  22307   1000  3        0x8a  pause         sh
 10000   5347   5347      0  3        0x82  nanosleep     perl
 24107      1  24107      0  3        0x8b  pause         ksh
 25720      1  25720      0  3        0x83  ttyin         getty
 17251      1  17251      0  3        0x83  ttyin         getty
 21816      1  21816      0  3        0x83  ttyin         getty
 25792      1  25792      0  3        0x83  ttyin         getty
 27641      1  27641      0  3        0x83  ttyin         getty
 22307  23331  22307   1000  3        0x8a  pause         sh
  5347   6158   5347      0  3        0x8a  pause         sh
 23331  23947  23947      0  3        0x80  piperd        cron
  6158  23947  23947      0  3        0x80  piperd        cron
 23947      1  23947      0  3        0x80  poll          cron
  8704      1   8704      0  3        0x80  kqread        apmd
 20169      1  20169      0  7           0                apcupsd
  7491      1  20169      0  3   0x4000088  sigwait       apcupsd
   820      1  20169      0  3   0x4000080  select        apcupsd
 30745      1  30745      0  3        0x80  poll          nmbd
 21377  30807  30807      0  3        0x90  poll          smbd
 30807      1  30807      0  3        0x90  poll          smbd
   662      1    662     99  3        0x90  poll          sndiod
 32353   9708   9708     95  3        0x90  kqread        smtpd
 31775   9708   9708     95  3        0x90  kqread        smtpd
  6539   9708   9708     95  3        0x90  kqread        smtpd
 11711   9708   9708     95  3        0x90  kqread        smtpd
 23602   9708   9708     95  3        0x90  kqread        smtpd
 12815   9708   9708    103  3        0x90  kqread        smtpd
  9708      1   9708      0  3        0x80  kqread        smtpd
 18347      1  18347      0  3        0xb0  select        lpd
  1534      1   1534      0  3        0x80  select        sshd
 31949      0      0      0  3     0x14280  nfsidl        nfsio
  1151      0      0      0  3     0x14280  nfsidl        nfsio
 20004      0      0      0  3     0x14280  nfsrcvlk      nfsio
  6326      0      0      0  3     0x14200  netio         nfsio
 11227  27093  27093      0  3        0x80  nfsd          nfsd
  2401  27093  27093      0  3        0x80  nfsd          nfsd
 28351  27093  27093      0  3        0x80  nfsd          nfsd
 11723  27093  27093      0  3        0x80  nfsd          nfsd
 27093      1  27093      0  3        0x80  netcon        nfsd
  6235      1   6235      0  3        0x80  poll          mountd
  2311      1   2311     28  3        0x90  poll          portmap
  4706      1   4706      0  3        0x80  poll          ntpd
 23037   5497  23037     83  3        0x90  poll          ntpd
  5497      1   5497     83  3        0x90  poll          ntpd
 27817      1  27817     53  3        0x90  kqread        unbound
 20949  16915  16915     74  3        0x90  bpf           pflogd
 16915      1  16915      0  3        0x80  netio         pflogd
 14497   4216   4216     73  3        0x90  kqread        syslogd
  4216      1   4216      0  3        0x80  netio         syslogd
 31135      1  31135     77  3        0x90  poll          dhclient
 21643      1  21643      0  3        0x80  poll          dhclient
  8966      1   8966      0  3        0x80  mfsidl        mount_mfs
 13251      0      0      0  3     0x14200  bored         ttm_swap
 23958      0      0      0  3     0x14200  pgzero        zerothread
  8226      0      0      0  3     0x14200  aiodoned      aiodoned
 11051      0      0      0  3     0x14200  syncer        update
 19572      0      0      0  3     0x14200  cleaner       cleaner
  9291      0      0      0  3     0x14200  reaper        reaper
 31035      0      0      0  3     0x14200  pgdaemon      pagedaemon
  9434      0      0      0  3     0x14200  bored         crypto
 13551      0      0      0  3     0x14200  pftm          pfpurge
  2480      0      0      0  3     0x14200  bored         sensors
 23352      0      0      0  3     0x14200  usbtsk        usbtask
  9784      0      0      0  3     0x14200  usbatsk       usbatsk
 12107      0      0      0  3  0x40014200  acpi0         acpi0
 27369      0      0      0  7  0x40014200                idle3
 10730      0      0      0  7  0x40014200                idle2
 31139      0      0      0  3  0x40014200                idle1
 10377      0      0      0  3     0x14200  bored         softnet
 10567      0      0      0  3     0x14200  bored         systqmp
 13628      0      0      0  3     0x14200  bored         systq
*30240      0      0      0  7  0x40014200                idle0
     1      0      1      0  3        0x82  wait          init
     0     -1      0      0  3     0x10200  scheduler     swapper
ddb{0}> boot reboot
panic: mtx_enter: locking against myself
Stopped at      Debugger+0x9:   leave
RUN AT LEAST 'trace' AND 'ps' AND INCLUDE OUTPUT WHEN REPORTING THIS PANIC!
IF RUNNING SMP, USE 'mach ddbcpu <#>' AND 'trace' ON OTHER PROCESSORS, TOO.
DO NOT EVEN BOTHER REPORTING THIS WITHOUT INCLUDING THAT INFORMATION!
ddb{0}> show registers
ds                            0x2b88    __ALIGN_SIZE+0x1b88
es                            0x2f00    __ALIGN_SIZE+0x1f00
fs                            0xf85b    __ALIGN_SIZE+0xe85b
gs                            0xf85b    __ALIGN_SIZE+0xe85b
rdi                              0x1
rsi                            0x296
rbp               0xffff800022032b78
rbx               0xffffffff81327de1    mtx_enter+0x61
rdx                                0
rcx                                0
rax                              0x1
r8                0xffff800022032a98
r9                0xffff8000000fc000
r10                              0xb
r11               0xffffffff81086c30    comcnputc
r12                            0x104
r13               0xffff800022032b88
r14               0xffff8000000fc000
r15                              0xd
rip               0xffffffff813453a9    Debugger+0x9
cs                               0x8
rflags                         0x282
rsp               0xffff800022032b68
ss                              0x10
Debugger+0x9:   leave
ddb{0}> trace
Debugger() at Debugger+0x9
panic() at panic+0xfe
mtx_enter() at mtx_enter+0x61
m_extfree() at m_extfree+0x7e
m_free() at m_free+0x55
m_freem() at m_freem+0x15
re_stop() at re_stop+0x17b
re_ioctl() at re_ioctl+0x17a
if_downall() at if_downall+0x8a
boot() at boot+0xe4
reboot() at reboot+0x26
db_boot_reboot_cmd() at db_boot_reboot_cmd+0x12
db_command() at db_command+0x13a
db_command_loop() at db_command_loop+0xb0
db_trap() at db_trap+0xe4
kdb_trap() at kdb_trap+0xf0
trap() at trap+0x15d
--- trap (number 1) ---
Debugger() at Debugger+0x9
panic() at panic+0xfe
assertwaitok() at assertwaitok+0x52
bufq_wait() at bufq_wait+0x2d
bwrite() at bwrite+0xf6
VOP_BWRITE() at VOP_BWRITE+0x38
ffs_fsync() at ffs_fsync+0x13f
VOP_FSYNC() at VOP_FSYNC+0x3c
ffs_sync_vnode() at ffs_sync_vnode+0x6a
vfs_mount_foreach_vnode() at vfs_mount_foreach_vnode+0x35
ffs_sync() at ffs_sync+0x89
sys_sync() at sys_sync+0x87
vfs_syncwait() at vfs_syncwait+0x50
vfs_shutdown() at vfs_shutdown+0x36
boot() at boot+0x148
reboot() at reboot+0x26
db_boot_sync_cmd() at db_boot_sync_cmd+0x12
db_command() at db_command+0x13a
db_command_loop() at db_command_loop+0xb0
db_trap() at db_trap+0xe4
kdb_trap() at kdb_trap+0xf0
trap() at trap+0x15d
--- trap (number 1) ---
Debugger() at Debugger+0x9
panic() at panic+0xfe
pool_runqueue() at pool_runqueue
pool_get() at pool_get+0xb5
m_clget() at m_clget+0x51
re_newbuf() at re_newbuf+0x34
re_rx_list_fill() at re_rx_list_fill+0x35
re_rxeof() at re_rxeof+0x333
re_intr() at re_intr+0x19b
intr_handler() at intr_handler+0x67
Xintr_ioapic_edge18() at Xintr_ioapic_edge18+0xdd
--- interrupt ---
cpu_idle_mwait_cycle() at cpu_idle_mwait_cycle+0x62
cpu_idle_cycle() at cpu_idle_cycle+0x10
end trace frame: 0x0, count: -52
ddb{0}>

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