SMPable version of EM driver
Lawrence Stewart
lstewart at room52.net
Wed Oct 24 19:54:10 PDT 2007
Hi Xin,
LI Xin wrote:
> Hi Valdimir and Jack,
>
> I have ported Valdimir's 1.16 revision of their driver to -CURRENT code
> as of today, but I don't have a box that is suitable for testing right
> now as I just moved, and the server I used to do FreeBSD coding stuff is
> located several thousand miles away :-)
>
> I hope that this would be useful for adoption to the official em(4)
> driver, and thanks Valdimir and Yandex for their work on this.
>
> Cheers,
>
We've just tested your patch on a FreeBSD 7-PRERELEASE box running
cvsuped source from 14th Oct 2007. The patch applied cleanly and the
kernel compiled without error.
Booting the new Yandex-enabled kernel resulted in an apparent lock
acquisition problem and shortly after, a possibly unrelated kernel panic
after starting devd. I'm not sure what info you might need to debug it,
but let me know if you need anything in addition to what I thought was
relevant and have included in the attached text file.
Cheers,
Lawrence Stewart
http://caia.swin.edu.au
-------------- next part --------------
newtcp1-newtcp# pciconf -lv
hostb0 at pci0:0:0:0: class=0x060000 card=0x514d8086 chip=0x29a08086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = 'P965/G965 Memory Controller Hub'
class = bridge
subclass = HOST-PCI
vgapci0 at pci0:0:2:0: class=0x030000 card=0x514d8086 chip=0x29a28086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = 'G965 Integrated Graphics Controller'
class = display
subclass = VGA
none0 at pci0:0:3:0: class=0x078000 card=0x514d8086 chip=0x29a48086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = 'P965/G965 HECI Controller'
class = simple comms
em0 at pci0:0:25:0: class=0x020000 card=0x00018086 chip=0x104b8086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82566DC Gigabit Network Connection'
class = network
subclass = ethernet
uhci0 at pci0:0:26:0: class=0x0c0300 card=0x514d8086 chip=0x28348086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) USB UHCI'
class = serial bus
subclass = USB
uhci1 at pci0:0:26:1: class=0x0c0300 card=0x514d8086 chip=0x28358086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) USB UHCI'
class = serial bus
subclass = USB
ehci0 at pci0:0:26:7: class=0x0c0320 card=0x514d8086 chip=0x283a8086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) USB2 EHCI'
class = serial bus
subclass = USB
none1 at pci0:0:27:0: class=0x040300 card=0x25048086 chip=0x284b8086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) HD Audio Controller'
class = multimedia
pcib1 at pci0:0:28:0: class=0x060400 card=0x283f8086 chip=0x283f8086 rev=0x02 hdr=0x01
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) PCI Express Port 1'
class = bridge
subclass = PCI-PCI
pcib2 at pci0:0:28:1: class=0x060400 card=0x28418086 chip=0x28418086 rev=0x02 hdr=0x01
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) PCI Express Port 2'
class = bridge
subclass = PCI-PCI
pcib3 at pci0:0:28:2: class=0x060400 card=0x28438086 chip=0x28438086 rev=0x02 hdr=0x01
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) PCI Express Port 3'
class = bridge
subclass = PCI-PCI
pcib4 at pci0:0:28:3: class=0x060400 card=0x28458086 chip=0x28458086 rev=0x02 hdr=0x01
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) PCI Express Port 4'
class = bridge
subclass = PCI-PCI
pcib5 at pci0:0:28:4: class=0x060400 card=0x28478086 chip=0x28478086 rev=0x02 hdr=0x01
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) PCI Express Port 5'
class = bridge
subclass = PCI-PCI
uhci2 at pci0:0:29:0: class=0x0c0300 card=0x514d8086 chip=0x28308086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) USB UHCI'
class = serial bus
subclass = USB
uhci3 at pci0:0:29:1: class=0x0c0300 card=0x514d8086 chip=0x28318086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) USB UHCI'
class = serial bus
subclass = USB
uhci4 at pci0:0:29:2: class=0x0c0300 card=0x514d8086 chip=0x28328086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) USB UHCI'
class = serial bus
subclass = USB
ehci1 at pci0:0:29:7: class=0x0c0320 card=0x514d8086 chip=0x28368086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) USB2 EHCI'
class = serial bus
subclass = USB
pcib6 at pci0:0:30:0: class=0x060401 card=0x514d8086 chip=0x244e8086 rev=0xf2 hdr=0x01
vendor = 'Intel Corporation'
device = '82801BA/CA/DB/DBL/EB/ER/FB/GB/HB (ICH2/3/4/4/5/5/6/7/8), 63xxESB Hub Interface to PCI Bridge'
class = bridge
subclass = PCI-PCI
isab0 at pci0:0:31:0: class=0x060100 card=0x514d8086 chip=0x28128086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801HH (ICH8DH) LPC Interface Controller'
class = bridge
subclass = PCI-ISA
atapci1 at pci0:0:31:2: class=0x010601 card=0x514d8086 chip=0x28218086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = 'ICH8R (ICH8 Family) SATA AHCI Controller'
class = mass storage
none2 at pci0:0:31:3: class=0x0c0500 card=0x514d8086 chip=0x283e8086 rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = '82801H (ICH8 Family) SMBus Controller'
class = serial bus
subclass = SMBus
atapci0 at pci0:2:0:0: class=0x01018f card=0x610111ab chip=0x610111ab rev=0xb1 hdr=0x00
vendor = 'Marvell Semiconductor (Was: Galileo Technology Ltd)'
class = mass storage
subclass = ATA
em1 at pci0:6:0:0: class=0x020000 card=0x13768086 chip=0x107c8086 rev=0x05 hdr=0x00
vendor = 'Intel Corporation'
device = 'PRO/1000 GT'
class = network
subclass = ethernet
fwohci0 at pci0:6:3:0: class=0x0c0010 card=0x514d8086 chip=0x8023104c rev=0x00 hdr=0x00
vendor = 'Texas Instruments (TI)'
device = 'TSB43AB21/A IEEE1394a-2000 OHCI PHY/Link-Layer Ctrlr'
class = serial bus
subclass = FireWire
newtcp1-newtcp# cat /var/crash/info.0
Dump header from device /dev/ad12s1b
Architecture: i386
Architecture Version: 2
Dump Length: 71716864B (68 MB)
Blocksize: 512
Dumptime: Thu Oct 25 11:57:29 2007
Hostname: newtcp1-newtcp.caia.swin.edu.au
Magic: FreeBSD Kernel Dump
Version String: FreeBSD 7.0-PRERELEASE #0: Thu Oct 25 11:38:50 EST 2007
root at newtcp1-newtcp.caia.swin.edu.au:/usr/src/sys/i386/compile/NEWTCP-YANDEX
Panic String: _mtx_lock_sleep: recursed on non-recursive mutex em0 @ ../../../dev/em/if_em.c:2415
Dump Parity: 1894384915
Bounds: 0
Dump Status: good
newtcp1-newtcp# kgdb /usr/src/sys/i386/compile/NEWTCP-YANDEX/kernel.debug /var/crash/vmcore.0
[GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"]
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 "i386-marcel-freebsd".
Unread portion of the kernel message buffer:
[snip]
Copyright (c) 1992-2007 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 7.0-PRERELEASE #0: Thu Oct 25 11:38:50 EST 2007
root at newtcp1-newtcp.caia.swin.edu.au:/usr/src/sys/i386/compile/NEWTCP-YANDEX
WARNING: WITNESS option enabled, expect reduced performance.
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Core(TM)2 CPU 6320 @ 1.86GHz (1876.01-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x6f6 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=0xe3bd<SSE3,RSVD2,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM>
AMD Features=0x20100000<NX,LM>
AMD Features2=0x1<LAHF>
Cores per package: 2
real memory = 1055166464 (1006 MB)
avail memory = 1019117568 (971 MB)
ACPI APIC Table: <INTEL DG965WH >
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
cpu0 (BSP): APIC ID: 0
cpu1 (AP): APIC ID: 1
ioapic0: Changing APIC ID to 2
ioapic0 <Version 2.0> irqs 0-23 on motherboard
kbd1 at kbdmux0
ath_hal: 0.9.20.3 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413)
acpi0: <INTEL DG965WH> on motherboard
acpi0: [ITHREAD]
acpi0: Power Button (fixed)
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
cpu0: <ACPI CPU> on acpi0
est0: <Enhanced SpeedStep Frequency Control> on cpu0
p4tcc0: <CPU Frequency Thermal Control> on cpu0
cpu1: <ACPI CPU> on acpi0
est1: <Enhanced SpeedStep Frequency Control> on cpu1
p4tcc1: <CPU Frequency Thermal Control> on cpu1
acpi_button0: <Sleep Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
vgapci0: <VGA-compatible display> port 0x3410-0x3417 mem 0x50200000-0x502fffff,0x40000000-0x4fffffff irq 16 at device 2.0 on pci0
agp0: <Intel G965 SVGA controller> on vgapci0
agp0: detected 7676k stolen memory
agp0: aperture size is 256M
pci0: <simple comms> at device 3.0 (no driver attached)
em0: <Intel(R) PRO/1000 Network Connection Version - 6.5.3> port 0x30e0-0x30ff mem 0x50300000-0x5031ffff,0x50324000-0x50324fff irq 20 at device 25.0 on pci0
em0: Ethernet address: 00:19:d1:e1:17:d3
em0: [FILTER]
uhci0: <UHCI (generic) USB controller> port 0x30c0-0x30df irq 16 at device 26.0 on pci0
uhci0: [GIANT-LOCKED]
uhci0: [ITHREAD]
usb0: <UHCI (generic) USB controller> on uhci0
usb0: USB revision 1.0
uhub0: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb0
uhub0: 2 ports with 2 removable, self powered
uhci1: <UHCI (generic) USB controller> port 0x30a0-0x30bf irq 21 at device 26.1 on pci0
uhci1: [GIANT-LOCKED]
uhci1: [ITHREAD]
usb1: <UHCI (generic) USB controller> on uhci1
usb1: USB revision 1.0
uhub1: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb1
uhub1: 2 ports with 2 removable, self powered
ehci0: <EHCI (generic) USB 2.0 controller> mem 0x50325c00-0x50325fff irq 18 at device 26.7 on pci0
ehci0: [GIANT-LOCKED]
ehci0: [ITHREAD]
usb2: EHCI version 1.0
usb2: companion controllers, 2 ports each: usb0 usb1
usb2: <EHCI (generic) USB 2.0 controller> on ehci0
usb2: USB revision 2.0
uhub2: <Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1> on usb2
uhub2: 4 ports with 4 removable, self powered
pci0: <multimedia> at device 27.0 (no driver attached)
pcib1: <ACPI PCI-PCI bridge> at device 28.0 on pci0
pci1: <ACPI PCI bus> on pcib1
pcib2: <ACPI PCI-PCI bridge> at device 28.1 on pci0
pci2: <ACPI PCI bus> on pcib2
atapci0: <Marvell 88SX6101 UDMA133 controller> port 0x2018-0x201f,0x2024-0x2027,0x2010-0x2017,0x2020-0x2023,0x2000-0x200f mem 0x50100000-0x501001ff irq 17 at device 0.0 on pci2
atapci0: [ITHREAD]
ata2: <ATA channel 0> on atapci0
ata2: [ITHREAD]
pcib3: <ACPI PCI-PCI bridge> at device 28.2 on pci0
pci3: <ACPI PCI bus> on pcib3
pcib4: <ACPI PCI-PCI bridge> at device 28.3 on pci0
pci4: <ACPI PCI bus> on pcib4
pcib5: <ACPI PCI-PCI bridge> at device 28.4 on pci0
pci5: <ACPI PCI bus> on pcib5
uhci2: <UHCI (generic) USB controller> port 0x3080-0x309f irq 23 at device 29.0 on pci0
uhci2: [GIANT-LOCKED]
uhci2: [ITHREAD]
usb3: <UHCI (generic) USB controller> on uhci2
usb3: USB revision 1.0
uhub3: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb3
uhub3: 2 ports with 2 removable, self powered
uhci3: <UHCI (generic) USB controller> port 0x3060-0x307f irq 19 at device 29.1 on pci0
uhci3: [GIANT-LOCKED]
uhci3: [ITHREAD]
usb4: <UHCI (generic) USB controller> on uhci3
usb4: USB revision 1.0
uhub4: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb4
uhub4: 2 ports with 2 removable, self powered
uhci4: <UHCI (generic) USB controller> port 0x3040-0x305f irq 18 at device 29.2 on pci0
uhci4: [GIANT-LOCKED]
uhci4: [ITHREAD]
usb5: <UHCI (generic) USB controller> on uhci4
usb5: USB revision 1.0
uhub5: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb5
uhub5: 2 ports with 2 removable, self powered
ehci1: <EHCI (generic) USB 2.0 controller> mem 0x50325800-0x50325bff irq 23 at device 29.7 on pci0
ehci1: [GIANT-LOCKED]
ehci1: [ITHREAD]
usb6: EHCI version 1.0
usb6: companion controllers, 2 ports each: usb3 usb4 usb5
usb6: <EHCI (generic) USB 2.0 controller> on ehci1
usb6: USB revision 2.0
uhub6: <Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1> on usb6
uhub6: 6 ports with 6 removable, self powered
pcib6: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci6: <ACPI PCI bus> on pcib6
em1: <Intel(R) PRO/1000 Network Connection Version - 6.5.3> port 0x1000-0x103f mem 0x50020000-0x5003ffff,0x50000000-0x5001ffff irq 21 at device 0.0 on pci6
em1: Ethernet address: 00:1b:21:03:64:99
em1: [FILTER]
fwohci0: <Texas Instruments TSB43AB22/A> mem 0x50044000-0x500447ff,0x50040000-0x50043fff irq 19 at device 3.0 on pci6
fwohci0: [FILTER]
fwohci0: OHCI version 1.10 (ROM=0)
fwohci0: No. of Isochronous channels is 4.
fwohci0: EUI64 00:90:27:00:01:c7:e5:b0
fwohci0: Phy 1394a available S400, 2 ports.
fwohci0: Link S400, max_rec 2048 bytes.
firewire0: <IEEE1394(FireWire) bus> on fwohci0
fwe0: <Ethernet over FireWire> on firewire0
if_fwe0: Fake Ethernet address: 02:90:27:c7:e5:b0
fwe0: Ethernet address: 02:90:27:c7:e5:b0
fwip0: <IP over FireWire> on firewire0
fwip0: Firewire address: 00:90:27:00:01:c7:e5:b0 @ 0xfffe00000000, S400, maxrec 2048
sbp0: <SBP-2/SCSI over FireWire> on firewire0
dcons_crom0: <dcons configuration ROM> on firewire0
dcons_crom0: bus_addr 0x125c000
fwohci0: Initiate bus reset
fwohci0: BUS reset
fwohci0: node_id=0xc800ffc0, gen=1, CYCLEMASTER mode
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci1: <Intel ICH8 SATA300 controller> port 0x3408-0x340f,0x341c-0x341f,0x3400-0x3407,0x3418-0x341b,0x3020-0x303f mem 0x50325000-0x503257ff irq 19 at device 31.2 on pci0
atapci1: [ITHREAD]
atapci1: AHCI Version 01.10 controller with 6 ports detected
ata3: <ATA channel 0> on atapci1
ata3: [ITHREAD]
ata4: <ATA channel 1> on atapci1
ata4: [ITHREAD]
ata5: <ATA channel 2> on atapci1
ata5: [ITHREAD]
ata6: <ATA channel 3> on atapci1
ata6: [ITHREAD]
ata7: <ATA channel 4> on atapci1
ata7: [ITHREAD]
ata8: <ATA channel 5> on atapci1
ata8: [ITHREAD]
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
atkbd0: [ITHREAD]
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
sio0: type 16550A
sio0: [FILTER]
pmtimer0 on isa0
orm0: <ISA Option ROM> at iomem 0xcd800-0xce7ff pnpid ORM0000 on isa0
ata0 at port 0x1f0-0x1f7,0x3f6 irq 14 on isa0
ata0: [ITHREAD]
ata1 at port 0x170-0x177,0x376 irq 15 on isa0
ata1: [ITHREAD]
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
ppbus0: <Parallel port bus> on ppc0
ppi0: <Parallel I/O> on ppbus0
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppc0: [GIANT-LOCKED]
ppc0: [ITHREAD]
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio1: configured irq 3 not in bitmap of probed irqs 0
sio1: port may not be enabled
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounters tick every 1.000 msec
firewire0: 1 nodes, maxhop <= 0, cable IRM = 0 (me)
firewire0: bus manager 0 (me)
acquiring duplicate lock of same type: "network driver"
1st em0 @ dev/em/if_em.c:1515
2nd em0 @ dev/em/if_em.c:1516
KDB: stack backtrace:
db_trace_self_wrapper(c0a9e41f,e241ec38,c078611e,c0aa07a9,c37e4390,...) at db_trace_self_wrapper+0x26
kdb_backtrace(c0aa07a9,c37e4390,c0a6f801,5ec,c0a9a752,...) at kdb_backtrace+0x29
witness_checkorder(c37a5ad4,9,c0a6f7f8,5ec,c0a9ca8e,...) at witness_checkorder+0x6de
_mtx_lock_flags(c37a5ad4,0,c0a6f7f8,5ec,c37a5abc,...) at _mtx_lock_flags+0xbc
em_handle_link(c37a5800,1,c0a9f611,50,c37a2b9c,...) at em_handle_link+0x63
taskqueue_run(c37a2b80,e241ecf8,c0733615,0,e241ecdc,...) at taskqueue_run+0x10b
taskqueue_fast_run(0,e241ecdc,202,c0bb2ba0,c37a2b64,...) at taskqueue_fast_run+0x13
ithread_loop(c37a31c0,e241ed38,c0a9839b,314,c36c0aa0,...) at ithread_loop+0x1b5
fork_exit(c0733460,c37a31c0,e241ed38) at fork_exit+0xb8
fork_trampoline() at fork_trampoline+0x8
--- trap 0, eip = 0, esp = 0xe241ed70, ebp = 0 ---
acd0: DMA limited to UDMA33, device found non-ATA66 cable
acd0: DVDR <LITE-ON DVDRW LH-18A1P/GL0F> at ata2-master UDMA33
ad12: 238475MB <Seagate ST3250410AS 3.AAA> at ata6-master SATA150
SMP: AP CPU #1 Launched!
WARNING: WITNESS option enabled, expect reduced performance.
Trying to mount root from ufs:/dev/ad12s2a
<118>Loading configuration files.
<118>kernel dumps on /dev/ad12s1b
<118>Entropy harvesting:
<118> interrupts
<118> ethernet
<118> point_to_point
<118> kickstart
<118>.
<118>swapon: adding /dev/ad12s1b as swap device
<118>Starting file system checks:
<118>/dev/ad12s2a: FILE SYSTEM CLEAN; SKIPPING CHECKS
<118>/dev/ad12s2a: clean, 80417 free (1257 frags, 9895 blocks, 0.5% fragmentation)
<118>/dev/ad12s2e: FILE SYSTEM CLEAN; SKIPPING CHECKS
<118>/dev/ad12s2e: clean, 253807 free (31 frags, 31722 blocks, 0.0% fragmentation)
<118>/dev/ad12s2f: FILE SYSTEM CLEAN; SKIPPING CHECKS
<118>/dev/ad12s2f: clean, 24769438 free (38190 frags, 3091406 blocks, 0.1% fragmentation)
<118>/dev/ad12s2d: FILE SYSTEM CLEAN; SKIPPING CHECKS
<118>/dev/ad12s2d: clean, 991101 free (309 frags, 123849 blocks, 0.0% fragmentation)
<118>Setting hostuuid: b024253a-0c28-11dc-92fa-00e018a3297b.
<118>Setting hostid: 0x95afd096.
<118>Mounting local file systems:
<118>.
<118>Setting hostname: newtcp1-newtcp.caia.swin.edu.au.
<118>net.inet6.ip6.auto_linklocal:
<118>1
<118> ->
<118>0
<118>
<118>kern.ipc.maxsockbuf:
<118>262144
<118> ->
<118>104857600
<118>
<118>net.inet.tcp.inflight.enable:
<118>1
<118> ->
<118>0
<118>
<118>net.inet.tcp.hostcache.expire:
<118>3600
<118> ->
<118>1
<118>
<118>net.inet.tcp.recvbuf_auto:
<118>1
<118> ->
<118>0
<118>
<118>net.inet.tcp.sendbuf_auto:
<118>1
<118> ->
<118>0
<118>
<118>net.inet.tcp.tso:
<118>1
<118> ->
<118>0
<118>
<118>net.inet.tcp.hostcache.prune:
<118>300
<118> ->
<118>5
<118>
<118>net.inet.ip.fastforwarding:
<118>0
<118> ->
<118>1
<118>
<118>lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
<118> inet6 fe80::1%lo0 prefixlen 64 scopeid 0x6
<118> inet6 ::1 prefixlen 128
<118> inet 127.0.0.1 netmask 0xff000000
<118>em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
<118> options=18b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWCSUM,TSO4>
<118> ether 00:19:d1:e1:17:d3
<118> inet 136.186.229.190 netmask 0xffffff00 broadcast 136.186.229.255
<118> media: Ethernet autoselect
<118> status: no carrier
<118>em1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
<118> options=8b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWCSUM>
<118> ether 00:1b:21:03:64:99
<118> inet 172.16.10.2 netmask 0xffffff00 broadcast 172.16.10.255
<118> media: Ethernet 1000baseTX <full-duplex> (autoselect)
<118> status: no carrier
<118>add net default: gateway 136.186.229.1
<118>add net 172.16.11.0: gateway 172.16.10.1
<118>Additional routing options:
<118>.
<118>Starting devd.
panic: _mtx_lock_sleep: recursed on non-recursive mutex em0 @ ../../../dev/em/if_em.c:2415
cpuid = 0
KDB: enter: panic
[snip]
(kgdb) backtrace
#0 doadump () at pcpu.h:195
#1 0xc074e99e in boot (howto=260) at ../../../kern/kern_shutdown.c:409
#2 0xc074ec5b in panic (fmt=Variable "fmt" is not available.
) at ../../../kern/kern_shutdown.c:563
#3 0xc048cca7 in db_panic (addr=Could not find the frame base for "db_panic".
) at ../../../ddb/db_command.c:433
#4 0xc048d695 in db_command_loop () at ../../../ddb/db_command.c:401
#5 0xc048ee05 in db_trap (type=3, code=0) at ../../../ddb/db_main.c:222
#6 0xc07758f6 in kdb_trap (type=3, code=0, tf=0xe2403b94) at ../../../kern/subr_kdb.c:502
#7 0xc0a053ff in trap (frame=0xe2403b94) at ../../../i386/i386/trap.c:621
#8 0xc09eb81b in calltrap () at ../../../i386/i386/exception.s:139
#9 0xc0775a72 in kdb_enter (msg=0xc0a9b9c2 "panic") at cpufunc.h:60
#10 0xc074ec44 in panic (fmt=0xc0a9a8ce "_mtx_lock_sleep: recursed on non-recursive mutex %s @ %s:%d\n") at ../../../kern/kern_shutdown.c:547
#11 0xc0743347 in _mtx_lock_sleep (m=0xc37a5ad4, tid=3278625360, opts=0, file=0xc0a6f7f8 "../../../dev/em/if_em.c", line=2415) at ../../../kern/kern_mutex.c:310
#12 0xc074356f in _mtx_lock_flags (m=0xc37a5ad4, opts=0, file=0xc0a6f7f8 "../../../dev/em/if_em.c", line=2415) at ../../../kern/kern_mutex.c:186
#13 0xc0574020 in em_local_timer (arg=0xc37a5800) at ../../../dev/em/if_em.c:2415
#14 0xc0760706 in softclock (dummy=0x0) at ../../../kern/kern_timeout.c:274
#15 0xc0733615 in ithread_loop (arg=0xc36bb2b0) at ../../../kern/kern_intr.c:1036
#16 0xc0730ad8 in fork_exit (callout=0xc0733460 <ithread_loop>, arg=0xc36bb2b0, frame=0xe2403d38) at ../../../kern/kern_fork.c:796
#17 0xc09eb890 in fork_trampoline () at ../../../i386/i386/exception.s:205
(kgdb)
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