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Greetings:
I will not have time for a proper bug report until this evening when I
get home, but I thought I would throw this out there for now.This issue is reproducible, and it occurred in the previous snapshot
as well. Briefly, here is how it happens:I have net.inet.ip.forwarding=1, and two interfaces: re0 is on my
internal LAN which is routed to the internet through another box
running 4.0-stable. vr0 is connected to an ibook, also running
4.0-stable, through a switch. The box that panics (vtest) is pretty
much idle except for forwarding packets. pf is disabled. To produce
the panic, I just generate a lot of traffic from the ibook (a cvs
update of /usr/src is generally sufficient).dmesg and ddb output follow. vtest is still sitting at the ddb> prompt
in case someone can suggest additional information I might gather.>> OpenBSD/i386 BOOT 2.13
boot>
booting hd0a:/bsd:
entry point at 0x200120
[ using 550188 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) 1995-2007 OpenBSD. All rights reserved. http://www.OpenBSD.orgOpenBSD 4.1-beta (GENERIC) #1367: Tue Feb 13 14:05:15 MST 2007
deraadt@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: VIA Esther processor 1200MHz ("CentaurHauls" 686-class) 1.21 GHz
cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,APIC,SEP,MTRR,PGE,CMOV,PAT,CFLUSH,ACPI,MMX,FXSR,SSE,SSE2,TM,SBF,SSE3,EST,TM2
cpu0: RNG AES AES-CTR SHA1 SHA256 RSA
real mem = 1005023232 (981468K)
avail mem = 908505088 (887212K)
using 4256 buffers containing 50376704 bytes (49196K) of memory
mainbus0 (root)
bios0 at mainbus0: AT/286+ BIOS, date 07/18/06, BIOS32 rev. 0 @ 0xfb570, SMBIOS rev. 2.3 @ 0xf0000 (34 entries)
apm0 at bios0: Power Management spec V1.2
apm0: AC on, battery charge unknown
apm0: flags 70102 dobusy 1 doidle 1
pcibios0 at bios0: rev 2.1 @ 0xf0000/0xdc84
pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xfdbb0/208 (11 entries)
pcibios0: bad IRQ table checksum
pcibios0: PCI BIOS has 11 Interrupt Routing table entries
pcibios0: PCI Exclusive IRQs: 5 10 11
pcibios0: PCI Interrupt Router at 000:17:0 ("VIA VT8237 ISA" rev 0x00)
pcibios0: PCI bus #1 is the last bus
bios0: ROM list: 0xc0000/0xfc00
acpi at mainbus0 not configured
cpu0 at mainbus0
cpu0: Enhanced SpeedStep 1200 MHz (860 mV): speeds: 1200, 1000, 800, 600, 400 MHz
pci0 at mainbus0 bus 0: configuration mode 1 (no bios)
pchb0 at pci0 dev 0 function 0 "VIA CN700 Host" rev 0x00
pchb1 at pci0 dev 0 function 1 "VIA CN700 Host" rev 0x00
pchb2 at pci0 dev 0 function 2 "VIA CN700 Host" rev 0x00
pchb3 at pci0 dev 0 function 3 "VIA PT890 Host" rev 0x00
pchb4 at pci0 dev 0 function 4 "VIA CN700 Host" rev 0x00
pchb5 at pci0 dev 0 function 7 "VIA CN700 Host" rev 0x00
ppb0 at pci0 dev 1 function 0 "VIA VT8377 AGP" rev 0x00
pci1 at ppb0 bus 1
vga1 at pci1 dev 0 function 0 "VIA S3 Unichrome PRO IGP" rev 0x01: aperture at 0xf4000000, size 0x10000000
wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
"VIA VT6306 FireWire" rev 0x80 at pci0 dev 10 function 0 not configured
re0 at pci0 dev 11 function 0 "Realtek 8169" rev 0x10, RTL8169/8110SC (0x1800): irq 5, address 00:30:18:a8:10:78
rgephy0 at re0 phy 7: RTL8169S/8110S PHY, rev. 2
pciide0 at pci0 dev 15 function 0 "VIA VT6420 SATA" rev 0x80: DMA
pciide0: using irq 11 for native-PCI interrupt
pciide1 at pci0 dev 15 function 1 "VIA VT82C571 IDE" rev 0x06: ATA133, channel 0 configured to compatibility, channel 1 configured to compatibility
wd0 at pciide1 channel 0 drive 0:
wd0: 16-sector PIO, LBA, 6490MB, 13293504 sectors
wd0(pciide1:0:0): using PIO mode 4, Ultra-DMA mode 4
pciide1: channel 1 disabled (no drives)
uhci0 at pci0 dev 16 function 0 "VIA VT83C572 USB" rev 0x81: irq 10
usb0 at uhci0: USB revision 1.0
uhub0 at usb0
uhub0: VIA UHCI root hub, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhci1 at pci0 dev 16 function 1 "VIA VT83C572 USB" rev 0x81: irq 10
usb1 at uhci1: USB revision 1.0
uhub1 at usb1
uhub1: VIA UHCI root hub, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
uhci2 at pci0 dev 16 function 2 "VIA VT83C572 USB" rev 0x81: irq 11
usb2 at uhci2: USB revision 1.0
uhub2 at usb2
uhub2: VIA UHCI root hub, rev 1.00/1.00, addr 1
uhub2: 2 ports with 2 removable, self powered
uhci3 at pci0 dev 16 function 3 "VIA VT83C572 USB" rev 0x81: irq 11
usb3 at uhci3: USB revision 1.0
uhub3 at usb3
uhub3: VIA UHCI root hub, rev 1.00/1.00, addr 1
uhub3: 2 ports with 2 removable, self powered
ehci0 at pci0 dev 16 function 4 "VIA VT6202 USB" rev 0x86: irq 11
ehci0: timed out waiting for BIOS
usb4 at ehci0: USB revision 2.0
uhub4 at usb4
uhub4: VIA EHCI root hub, rev 2.00/1.00, addr 1
uhub4: 8 ports with 8 removable, self powered
viapm0 at pci0 dev 17 function 0 "VIA VT8237 ISA" rev 0x00
iic0 at viapm0
auvia0 at pci0 dev 17 function 5 "VIA VT8233 AC97" rev 0x60: irq 11
ac97: codec id 0x56494170 (VIA Technologies <70>)
ac97: codec features headphone, 18 bit DAC, 18 bit ADC, KS Waves 3D
audio0 at auvia0
vr0 at pci0 dev 18 function 0 "VIA RhineII-2" rev 0x78: irq 10, address 00:30:18:a6:91:2e
ukphy0 at vr0 phy 1: Generic IEEE 802.3u media interface, rev. 10: OUI 0x004063, model 0x0032
isa0 at mainbus0
isadma0 at isa0
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pcppi0 at isa0 port 0x61
midi0 at pcppi0:
spkr0 at pcppi0
lpt0 at isa0 port 0x378/4 irq 7
npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
pccom0: console
pccom1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
biomask ff45 netmask ff65 ttymask ffe7
pctr: user-level cycle counter enabled
dkcsum: wd0 matches BIOS drive 0x80
root on wd0a
rootdev=0x0 rrootdev=0x300 rawdev=0x302
Automatic boot in progress: starting file system checks.
/dev/rwd0a: file system is clean; not checking
/dev/rwd0f: file system is clean; not checking
/dev/rwd0e: file system is clean; not checking
/dev/rwd0d: file system is clean; not checking
setting tty flags
net.inet.ip.forwarding: 0 -> 1
net.inet6.ip6.forwarding: 0 -> 1
starting network
starting system logger
starting initial daemons: ntpd.
savecore: no core dump
checking quotas: done.
building ps databases: kvm dev.
clearing /tmp
starting pre-securelevel daemons:.
setting kernel security level: kern.securelevel: 0 -> 1
creating runtime link editor directory cache.
preserving editor files
starting network daemons: dhcpd sendmail inetd sshd.
starting local daemons:.
standard daemons: cron.
Tue Feb 13 20:43:00 MST 2007OpenBSD/i386 (-----.----.-----.--.--) (tty00)
login: panic: pool_get(mclpl): free list modified: magic=c3cd6f0b; page 0xd7c1f000; item addr 0xd7c1f800
Stopped at Debugger+0x4: leave
RUN AT LEAST 'trace' AND 'ps' AND INCLUDE OUTPUT WHEN REPORTING THIS PANIC!
DO NOT EVEN BOTHER REPORTING THIS WITHOUT INCLUDING THAT INFORMATION!
ddb> trace
Debugger(d077d6c0,d7c1e000,d7d7bf00,d7c1f800,d077d6c0) at Debugger+0x4
panic(d067e300,d06801c9,c3cd6f0b,d7c1f000,d7c1f800) at panic+0x63
pool_get(d077d6c0,0,d7d08000,401,1) at pool_get+0x2e9
vr_encap(d19c8000,d19c8a6c,d7d11c00,d7d7c200) at vr_encap+0xa5
vr_start(d19c8034,d7d0e006,6,745a3b4) at vr_start+0x90
ether_output(d19c8034,d7d7c200,d077eaac,d7c55004,d08b3cf4) at ether_output+0x36
4
ip_output(d7d7c200,0,d077eaa8,1,0,0,44,1) at ip_output+0x98b
ip_forward(d7d7c200,0,0,50,d7d7c200) at ip_forward+0x1a3
ipv4_input(d7d7c200,d1918cc0,3,d08b3e7c,30) at ipv4_input+0x258
ipintr(58,10,10,10,d08b3e7c) at ipintr+0x70
Bad frame pointer: 0xd08b3e24
ddb> ps
PID PPID PGRP UID S FLAGS WAIT COMMAND
10709 4936 10709 1000 3 0x4082 poll top
4936 13696 4936 1000 3 0x4082 pause ksh
13696 697 697 1000 3 0x180 select sshd
697 2963 697 0 3 0x4180 netio sshd
22448 1 22448 0 3 0x4082 ttyin getty
3650 1 3650 0 3 0x4082 ttyin getty
31658 1 31658 0 3 0x4082 ttyin getty
23499 1 23499 0 3 0x4082 ttyin getty
5154 1 5154 0 3 0x4082 ttyin getty
15017 1 15017 0 3 0x4082 ttyin getty
26300 1 26300 0 3 0x80 select cron
20473 1 20473 0 3 0x40180 select sendmail
2963 1 2963 0 3 0x80 select sshd
24221 1 24221 0 3 0x180 select inetd
11454 1 11454 77 3 0x180 poll dhcpd
27894 30617 30617 83 3 0x180 poll ntpd
30617 1 30617 0 3 0x80 poll ntpd
10735 12052 12052 73 3 0x180 poll syslogd
12052 1 12052 0 3 0x88 netio syslogd
17 0 0 0 3 0x100200 crypto_wa crypto
16 0 0 0 3 0x100200 aiodoned aiodoned
15 0 0 0 3 0x100200 syncer update
14 0 0 0 3 0x100200 cleaner cleaner
13 0 0 0 3 0x100200 reaper reaper
12 0 0 0 3 0x100200 pgdaemon pagedaemon
11 0 0 0 3 0x100200 pftm pfpurge
10 0 0 0 3 0x100200 wait wskbd_hotkey
9 0 0 0 3 0x100200 usbevt usb4
8 0 0 0 3 0x100200 usbevt usb3
7 0 0 0 3 0x100200 usbevt usb2
6 0 0 0 3 0x100200 usbevt usb1
5 0 0 0 3 0x100200 usbtsk usbtask
4 0 0 0 3 0x100200 usbevt usb0
3 0 0 0 3 0x100200 apmev apm0
2 0 0 0 3 0x100200 kmalloc kmthread
1 0 1 0 3 0x4080 wait init
0 -1 0 0 3 0x80200 scheduler swapper
ddb>
