Date: Mon, 23 Oct 2000 12:10:03 -0700 (PDT) From: Jeff Kletsky <jeff@spotlife.com> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/22224: ipfw pipe command causes kernel panic Message-ID: <200010231910.MAA37580@freefall.freebsd.org>
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The following reply was made to PR kern/22224; it has been noted by GNATS.
From: Jeff Kletsky <jeff@spotlife.com>
To: freebsd-gnats-submit@FreeBSD.org, jeff+freebsd@spotlife.com
Cc:
Subject: Re: kern/22224: ipfw pipe command causes kernel panic
Date: Mon, 23 Oct 2000 12:04:50 -0700 (PDT)
Kernel Debug:
=============
Script started on Mon Oct 23 11:55:29 2000
bash-2.04# pwd
/usr/src/sys/compile/GGdebug.20001022
bash-2.04# gdb -k kernel.debug /var/crash/vmcore.0
GNU gdb 4.18
Copyright 1998 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-unknown-freebsd"...
IdlePTD 3686400
initial pcb at 2f8480
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0xc055064a
fault code = supervisor write, page not present
instruction pointer = 0x8:0xc0176d4b
stack pointer = 0x10:0xc02cb868
frame pointer = 0x10:0xc02cb874
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 = Idle
interrupt mask = net
trap number = 12
panic: page fault
syncing disks... 2 2
done
Uptime: 5m50s
dumping to dev #ad/0x20011, offset 344064
dump ata1: resetting devices .. done
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
---
#0 dumpsys () at ../../kern/kern_shutdown.c:462
462 if (dumping++) {
(kgdb) where
#0 dumpsys () at ../../kern/kern_shutdown.c:462
#1 0xc015cd83 in boot (howto=256) at ../../kern/kern_shutdown.c:302
#2 0xc015d100 in poweroff_wait (junk=0xc02c342f, howto=0) at ../../kern/kern_shutdown.c:549
#3 0xc027ffa1 in trap_fatal (frame=0xc02cb828, eva=3226797642) at ../../i386/i386/trap.c:951
#4 0xc027fc79 in trap_pfault (frame=0xc02cb828, usermode=0, eva=3226797642) at ../../i386/i386/trap.c:844
#5 0xc027f833 in trap (frame={tf_fs = 16, tf_es = 16, tf_ds = 16, tf_edi = 6687232, tf_esi = 0,
tf_ebp = -1070811020, tf_isp = -1070811052, tf_ebx = -1064836608, tf_edx = 521802, tf_ecx = 0,
tf_eax = -1068691456, tf_trapno = 12, tf_err = 2, tf_eip = -1072206517, tf_cs = 8, tf_eflags = 66066,
tf_esp = -1064836608, tf_ss = 0}) at ../../i386/i386/trap.c:443
#6 0xc0176d4b in m_free (m=0xc087e200) at ../../kern/uipc_mbuf.c:515
#7 0xc0177b1a in m_pullup (n=0xc087e200, len=14) at ../../kern/uipc_mbuf.c:981
#8 0xc01a9771 in transmit_event (pipe=0xc0923f00) at ../../netinet/ip_dummynet.c:407
#9 0xc01a99ab in ready_event (q=0xc0915280) at ../../netinet/ip_dummynet.c:525
#10 0xc01aa6df in dummynet_io (pipe_nr=1097, dir=3, m=0xc04db800, ifp=0xc07f0c00, ro=0x0, dst=0x0,
rule=0xc08027f0, flags=0) at ../../netinet/ip_dummynet.c:1062
#11 0xc019c40c in bdg_forward (m0=0xc02cb9b8, eh=0xc0500012, dst=0xc07f0c00) at ../../net/bridge.c:756
#12 0xc019e423 in ether_input (ifp=0xc07f0800, eh=0xc0500012, m=0xc04ffe00) at ../../net/if_ethersubr.c:450
#13 0xc020baa7 in fxp_intr (arg=0xc07f0800) at ../../pci/if_fxp.c:1195
#14 0xc0287e41 in intr_mux (arg=0xc04d2820) at ../../i386/isa/intr_machdep.c:582
(kgdb) quit
bash-2.04# exit
exit
Script done on Mon Oct 23 11:56:25 2000
-----
Jeffrey Marc Kletsky
SpotLife | Personal Broadcasting
Sr. Product Manager jeff@spotlife.com
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