crash in dummynet

[Vyacheslav Bocharov]

I have frequent panics in dummynet module:

Dec 12 08:27:58 chip syslogd: restart
Dec 12 08:27:58 chip syslogd: kernel boot file is /boot/kernel/kernel
Dec 12 08:27:58 chip kernel:
Dec 12 08:27:58 chip kernel:
Dec 12 08:27:58 chip kernel: Fatal trap 12: page fault while in kernel mode
Dec 12 08:27:58 chip kernel: cpuid = 1; apic id = 01
Dec 12 08:27:58 chip kernel: fault virtual address      = 0x10
Dec 12 08:27:58 chip kernel: fault code         = supervisor read, page not
present
Dec 12 08:27:58 chip kernel: instruction pointer        = 0x20:0xc06af1fd
Dec 12 08:27:58 chip kernel: stack pointer              = 0x28:0xe8733bd4
Dec 12 08:27:58 chip kernel: frame pointer              = 0x28:0xe8733c18
Dec 12 08:27:58 chip kernel: code segment               = base 0x0, limit
0xfffff, type 0x1b
Dec 12 08:27:58 chip kernel: = DPL 0, pres 1, def32 1, gran 1
Dec 12 08:27:58 chip kernel: processor eflags   = interrupt enabled, resume,
IOPL = 0
Dec 12 08:27:58 chip kernel: current process            = 48 (dummynet)
Dec 12 08:27:58 chip kernel: trap number                = 12
Dec 12 08:27:58 chip kernel: panic: page fault
Dec 12 08:27:58 chip kernel: cpuid = 1
Dec 12 08:27:58 chip kernel: Uptime: 16h42m29s
Dec 12 08:27:58 chip kernel: Physical memory: 3572 MB
Dec 12 08:27:58 chip kernel: Dumping 227 MB:
Dec 12 08:27:58 chip kernel: arp: 00:15:17:28:39:7f is using my IP address
10.200.216.1 on vlan24!
Dec 12 08:27:58 chip kernel: Copyright (c) 1992-2008 The FreeBSD Project.
Dec 12 08:27:58 chip kernel: Copyright (c) 1979, 1980, 1983, 1986, 1988,
1989, 1991, 1992, 1993, 1994
Dec 12 08:27:58 chip kernel: The Regents of the University of California.
All rights reserved.
Dec 12 08:27:58 chip kernel: FreeBSD is a registered trademark of The
FreeBSD Foundation.
Dec 12 08:27:58 chip kernel: FreeBSD 7.1-PRERELEASE #3: Wed Dec 10 10:07:04
EET 2008
Dec 12 08:27:58 chip kernel: root at chip.lexi.net.ua:/usr/obj/usr/src/sys/chip
Dec 12 08:27:58 chip kernel: module_register: module g_journal already
exists!
Dec 12 08:27:58 chip kernel: Module g_journal failed to register: 17
Dec 12 08:27:58 chip kernel: module_register: module g_mirror already
exists!
Dec 12 08:27:58 chip kernel: Module g_mirror failed to register: 17
Dec 12 08:27:58 chip kernel: Timecounter "i8254" frequency 1193182 Hz
quality 0
Dec 12 08:27:58 chip kernel: CPU: Intel(R) Pentium(R) Dual  CPU  E2180  @
2.00GHz (1995.01-MHz 686-class CPU)
Dec 12 08:27:58 chip kernel: Origin = "GenuineIntel"  Id = 0x6fd  Stepping =
13
Dec 12 08:27:58 chip kernel:
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>
Dec 12 08:27:58 chip kernel:
Features2=0xe39d<SSE3,DTES64,MON,DS_CPL,EST,TM2,SSSE3,CX16,xTPR,PDCM>
Dec 12 08:27:58 chip kernel: AMD Features=0x20100000<NX,LM>
Dec 12 08:27:58 chip kernel: AMD Features2=0x1<LAHF>
Dec 12 08:27:58 chip kernel: Cores per package: 2
Dec 12 08:27:58 chip kernel: real memory  = 3755986944 (3581 MB)
...
Dec 12 08:27:58 chip kernel: Checking for core dump on /dev/mirror/vpns1b...
Dec 12 08:27:58 chip kernel: savecore: no dumps found
Dec 12 08:27:58 chip savecore: no dumps found

-- 
Vyacheslav Bocharov