Date: Sat, 1 Sep 2007 16:28:12 -0700 From: sid@merlin.com.ua To: freebsd-ipfw@freebsd.org Subject: dummynet / ipfw2: panic, double fault Message-ID: <85067517.20070901162812@merlin.com.ua>
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Hi, all.
I have some troubles with firewall. Its look to be unsolveable((.
system tested is all 6.* and 7., include all "stable" and "release".
main job of this computer which is tested is firewall for accounting, piping, manage
access of customers. situation tested on other computers whith same
result.
you can repeat this problem by running this .sh script on any
(include Generic) 6.* or 7.* version
cut----------------------------
ifconfig em0 192.168.0.2/24
kldload ipfw
kldload dummynet
sysctl net.inet.ip.fw.one_pass=0
ipfw pipe 2 config bw 0
ipfw add 2 pipe 2 ip from any to any
ipfw add 2 pipe 2 ip from any to any
ipfw add 2 pipe 2 ip from any to any
ipfw add 2 pipe 2 ip from any to any
ipfw add 2 pipe 2 ip from any to any
ipfw add 2 pipe 2 ip from any to any
ipfw add 2 pipe 2 ip from any to any
ipfw add 2 pipe 2 ip from any to any
ipfw add 2 pipe 2 ip from any to any
ipfw add 2 pipe 2 ip from any to any
ipfw add 2 pipe 2 ip from any to any
ipfw add 2 pipe 2 ip from any to any
ipfw add 2 pipe 2 ip from any to any
ipfw add 2 pipe 2 ip from any to any
ipfw add 2 pipe 2 ip from any to any
ipfw add 2 pipe 2 ip from any to any
ipfw add 2 pipe 2 ip from any to any
ping 192.168.0.1
cut---------------------------
result: panic, double fault. see image (real screen-shot ))) attach
this script is not a real target, this is concentrate model of situation,
which is discovered on a big firewall....
uname -a
FreeBSD new-black.homei.net.ua 6.2-STABLE-200708 FreeBSD 6.2-STABLE-200708 #1: Sat Sep 1 11:40:14 UTC 2007 root@:/usr/src/sys/i386/compile/BLACKi386SMP i386
dmesg
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 6.2-STABLE-200708 #1: Sat Sep 1 11:40:14 UTC 2007
root@:/usr/src/sys/i386/compile/BLACKi386SMP
ACPI APIC Table: <PTLTD APIC >
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Xeon(R) CPU E5310 @ 1.60GHz (1600.07-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x6f7 Stepping = 7
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=0x4e33d<SSE3,RSVD2,MON,DS_CPL,VMX,TM2,<b9>,CX16,<b14>,<b15>,<b18>>
AMD Features=0x20100000<NX,LM>
AMD Features2=0x1<LAHF>
Cores per package: 4
real memory = 3489005568 (3327 MB)
avail memory = 3413454848 (3255 MB)
FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs
cpu0 (BSP): APIC ID: 0
cpu1 (AP): APIC ID: 1
cpu2 (AP): APIC ID: 2
cpu3 (AP): APIC ID: 3
cpu4 (AP): APIC ID: 4
cpu5 (AP): APIC ID: 5
cpu6 (AP): APIC ID: 6
cpu7 (AP): APIC ID: 7
ioapic0 <Version 2.0> irqs 0-23 on motherboard
ioapic1 <Version 2.0> irqs 24-47 on motherboard
kbd1 at kbdmux0
acpi0: <PTLTD RSDT> on motherboard
acpi0: Power Button (fixed)
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
cpu0: <ACPI CPU> on acpi0
acpi_throttle0: <ACPI CPU Throttling> on cpu0
cpu1: <ACPI CPU> on acpi0
acpi_throttle1: <ACPI CPU Throttling> on cpu1
acpi_throttle1: failed to attach P_CNT
device_attach: acpi_throttle1 attach returned 6
cpu2: <ACPI CPU> on acpi0
acpi_throttle2: <ACPI CPU Throttling> on cpu2
acpi_throttle2: failed to attach P_CNT
device_attach: acpi_throttle2 attach returned 6
cpu3: <ACPI CPU> on acpi0
acpi_throttle3: <ACPI CPU Throttling> on cpu3
acpi_throttle3: failed to attach P_CNT
device_attach: acpi_throttle3 attach returned 6
cpu4: <ACPI CPU> on acpi0
acpi_throttle4: <ACPI CPU Throttling> on cpu4
acpi_throttle4: failed to attach P_CNT
device_attach: acpi_throttle4 attach returned 6
cpu5: <ACPI CPU> on acpi0
acpi_throttle5: <ACPI CPU Throttling> on cpu5
acpi_throttle5: failed to attach P_CNT
device_attach: acpi_throttle5 attach returned 6
cpu6: <ACPI CPU> on acpi0
acpi_throttle6: <ACPI CPU Throttling> on cpu6
acpi_throttle6: failed to attach P_CNT
device_attach: acpi_throttle6 attach returned 6
cpu7: <ACPI CPU> on acpi0
acpi_throttle7: <ACPI CPU Throttling> on cpu7
acpi_throttle7: failed to attach P_CNT
device_attach: acpi_throttle7 attach returned 6
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> irq 18 at device 2.0 on pci2
pci4: <ACPI PCI bus> on pcib4
em0: <Intel(R) PRO/1000 Network Connection Version - 6.2.9> port 0x2000-0x201f mem 0xd8100000-0xd811ffff irq 18 at device 0.0 on pci4
em0: Ethernet address: 00:30:48:60:35:9e
em1: <Intel(R) PRO/1000 Network Connection Version - 6.2.9> port 0x2020-0x203f mem 0xd8120000-0xd813ffff irq 19 at device 0.1 on pci4
em1: Ethernet address: 00:30:48:60:35:9f
pcib5: <ACPI PCI-PCI bridge> at device 0.3 on pci1
pci5: <ACPI PCI bus> on pcib5
em2: <Intel(R) PRO/1000 Network Connection Version - 6.2.9> port 0x3000-0x303f mem 0xd8080000-0xd809ffff,0xd8000000-0xd803ffff irq 24 at device 1.0 on pci5
em2: Ethernet address: 00:1b:21:06:10:88
em3: <Intel(R) PRO/1000 Network Connection Version - 6.2.9> port 0x3040-0x307f mem 0xd80a0000-0xd80bffff,0xd8040000-0xd807ffff irq 25 at device 1.1 on pci5
em3: Ethernet address: 00:1b:21:06:10:89
pci0: <base peripheral> at device 8.0 (no driver attached)
pcib6: <ACPI PCI-PCI bridge> irq 17 at device 28.0 on pci0
pci6: <ACPI PCI bus> on pcib6
uhci0: <UHCI (generic) USB controller> port 0x1800-0x181f irq 17 at device 29.0 on pci0
uhci0: [GIANT-LOCKED]
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
uhub0: 2 ports with 2 removable, self powered
uhci1: <UHCI (generic) USB controller> port 0x1820-0x183f irq 19 at device 29.1 on pci0
uhci1: [GIANT-LOCKED]
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
uhub1: 2 ports with 2 removable, self powered
uhci2: <UHCI (generic) USB controller> port 0x1840-0x185f irq 18 at device 29.2 on pci0
uhci2: [GIANT-LOCKED]
usb2: <UHCI (generic) USB controller> on uhci2
usb2: USB revision 1.0
uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub2: 2 ports with 2 removable, self powered
uhci3: <UHCI (generic) USB controller> port 0x1860-0x187f irq 16 at device 29.3 on pci0
uhci3: [GIANT-LOCKED]
usb3: <UHCI (generic) USB controller> on uhci3
usb3: USB revision 1.0
uhub3: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub3: 2 ports with 2 removable, self powered
ehci0: <EHCI (generic) USB 2.0 controller> mem 0xd8600000-0xd86003ff irq 17 at device 29.7 on pci0
ehci0: [GIANT-LOCKED]
usb4: EHCI version 1.0
usb4: companion controllers, 2 ports each: usb0 usb1 usb2 usb3
usb4: <EHCI (generic) USB 2.0 controller> on ehci0
usb4: USB revision 2.0
uhub4: Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub4: 8 ports with 8 removable, self powered
pcib7: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci7: <ACPI PCI bus> on pcib7
pci7: <display, VGA> at device 1.0 (no driver attached)
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel 63XXESB2 UDMA100 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x1880-0x188f at device 31.1 on pci0
ata0: <ATA channel 0> on atapci0
ata1: <ATA channel 1> on atapci0
atapci1: <Intel 63XXESB2 SATA300 controller> port 0x18b0-0x18b7,0x18a4-0x18a7,0x18a8-0x18af,0x18a0-0x18a3,0x1890-0x189f mem 0xd8600400-0xd86007ff irq 19 at device 31.2 on pci0
ata2: <ATA channel 0> on atapci1
ata3: <ATA channel 1> on atapci1
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
acpi_button0: <Power Button> on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
sio0: type 16550A
sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0
sio1: type 16550A
fdc0: <floppy drive controller> port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on acpi0
fdc0: [FAST]
ppc0: <ECP parallel printer 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
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
orm0: <ISA Option ROM> at iomem 0xc0000-0xcafff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounters tick every 0.968 msec
ipfw2 (+ipv6) initialized, divert loadable, rule-based forwarding enabled, default to accept, logging disabled
acd0: DVDR <TSSTcorpCD/DVDW SN-S082D/SS03> at ata0-slave UDMA33
ad4: 238475MB <Seagate ST3250620NS 3.AEG> at ata2-master SATA150
ad6: 238475MB <Seagate ST3250620NS 3.AEG> at ata3-master SATA150
ar0: 238475MB <Intel MatrixRAID RAID1> status: READY
ar0: disk0 READY (master) using ad4 at ata2-master
ar0: disk1 READY (mirror) using ad6 at ata3-master
SMP: AP CPU #1 Launched!
SMP: AP CPU #3 Launched!
SMP: AP CPU #2 Launched!
SMP: AP CPU #4 Launched!
SMP: AP CPU #5 Launched!
SMP: AP CPU #7 Launched!
SMP: AP CPU #6 Launched!
Trying to mount root from ufs:/dev/ar0s1a
--
Saturday, September 1, 2007, 3:39:15 PM
Sydorenko Olexandr
AirBites Ukraine, Odessa Branch
sid@merlin.com.ua
http://airbites.net
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