Date: Sun, 25 Apr 2010 15:13:18 +0300 From: Denis Lamanov <ukrzilla@gmail.com> To: freebsd-stable@freebsd.org Subject: mpd5.5+CoA=kernel panic every 2-33 days Message-ID: <z2k794030a71004250513qed774147r44e308023dbf758@mail.gmail.com>
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I have VPN servers on mpd5.5
FreeBSD vpn3 8.0-STABLE FreeBSD 8.0-STABLE #2 r207058M: Thu Apr 22 15:40:40
EEST 2010 admin@vpn3:/usr/obj/usr/src/sys/GENERICVPN i386
and every 5-10 minutes my billing system send mpd-limit CoA message to mpd.
Every 2-3 day server go into kernel panic:
Fatal trap 12: page fault while in kernel mode
cpuid = 3; apic id = 07
fault virtual address = 0x24
fault code = supervisor read, page not present
instruction pointer = 0x20:0x8a04c9e4
stack pointer = 0x28:0xee67386c
frame pointer = 0x28:0xee673aa4
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 871 (mpd5)
trap number = 12
panic: page fault
cpuid = 3
Uptime: 2d7h39m7s
Physical memory: 2035 MB
Dumping 390 MB: 375 359 343
Fatal trap 12: page fault while in kernel mode
cpuid = 2; apic id = 06
fault virtual address = 0x0
fault code = supervisor write, page not present
instruction pointer = 0x20:0x8a04c7cb
stack pointer = 0x28:0xee65590c
frame pointer = 0x28:0xee655924
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 890 (ng_queue2)
trap number = 12
(kgdb) backtrace
#0 doadump () at pcpu.h:246
#1 0x8089dd47 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:416
#2 0x8089e039 in panic (fmt=Variable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:579
#3 0x80bcfe3c in trap_fatal (frame=0xee67382c, eva=36)
at /usr/src/sys/i386/i386/trap.c:938
#4 0x80bd00c0 in trap_pfault (frame=0xee67382c, usermode=0, eva=36)
at /usr/src/sys/i386/i386/trap.c:851
#5 0x80bd0a05 in trap (frame=0xee67382c) at
/usr/src/sys/i386/i386/trap.c:533
#6 0x80bb2adb in calltrap () at /usr/src/sys/i386/i386/exception.s:165
#7 0x8a04c9e4 in ng_path2noderef (here=0x89f85c00,
address=0x9700d660 "mpd871-B-2-lim:1-0-m", destp=0xee673ac0,
lasthook=0xee673abc)
at
/usr/src/sys/modules/netgraph/netgraph/../../../netgraph/ng_base.c:1757
#8 0x8a04cd40 in ng_address_path (here=0x89f85c00, item=0x8a639a40,
address=0x9700d660 "mpd871-B-2-lim:1-0-m", retaddr=0)
at
/usr/src/sys/modules/netgraph/netgraph/../../../netgraph/ng_base.c:3522
#9 0x8a0464f2 in ngc_send (so=0x889ed80c, flags=0, m=0x89ce6d00,
addr=0x94caa1e0, control=0x0, td=0x8889a6f0)
at
/usr/src/sys/modules/netgraph/socket/../../../netgraph/ng_socket.c:296
#10 0x808ff0d5 in sosend_generic (so=0x889ed80c, addr=0x94caa1e0,
uio=0xee673be8, top=0x89ce6d00, control=0x0, flags=0, td=0x8889a6f0)
at /usr/src/sys/kern/uipc_socket.c:1257
#11 0x808fb1ef in sosend (so=0x889ed80c, addr=0x94caa1e0, uio=0xee673be8,
---Type <return> to continue, or q <return> to quit---
top=0x0, control=0x0, flags=0, td=0x8889a6f0)
at /usr/src/sys/kern/uipc_socket.c:1301
#12 0x80902ae1 in kern_sendit (td=0x8889a6f0, s=5, mp=0xee673c5c, flags=0,
control=0x0, segflg=UIO_USERSPACE) at
/usr/src/sys/kern/uipc_syscalls.c:788
#13 0x80902d11 in sendit (td=0x8889a6f0, s=5, mp=0xee673c5c, flags=0)
at /usr/src/sys/kern/uipc_syscalls.c:724
#14 0x80902e28 in sendto (td=0x8889a6f0, uap=0xee673cf8)
at /usr/src/sys/kern/uipc_syscalls.c:840
#15 0x80bd03b3 in syscall (frame=0xee673d38)
at /usr/src/sys/i386/i386/trap.c:1111
#16 0x80bb2b40 in Xint0x80_syscall () at
/usr/src/sys/i386/i386/exception.s:261
#17 0x00000033 in ?? ()
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