Hi,
I was playing around with ipfw, and when I tried something like:
/sbin/ipfw disable firewall
/sbin/ipfw flush && sysctl net.inet.ip.fw.dyn_buckets=600
<applying some rules>
/sbin/ipfw enable firewall
The machine paniced:
#0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:487
#1 0xc023d88b in boot (howto=260) at
/usr/src/sys/kern/kern_shutdown.c:316
#2 0xc023dcb0 in poweroff_wait (junk=0xc043e66c, howto=-1069293201) at
/usr/src/sys/kern/kern_shutdown.c:595
#3 0xc03b06ca in trap_fatal (frame=0xc044783c, eva=48) at
/usr/src/sys/i386/i386/trap.c:974
#4 0xc03b039d in trap_pfault (frame=0xc044783c, usermode=0, eva=48) at
/usr/src/sys/i386/i386/trap.c:867
#5 0xc03aff5b in trap (frame={tf_fs = 16, tf_es = -1069285360, tf_ds =
16, tf_edi = 0, tf_esi = -1056902912,
tf_ebp = -1069254524, tf_isp = -1069254552, tf_ebx = -1069019524,
tf_edx = 6864928, tf_ecx = -862463232, tf_eax = 0,
tf_trapno = 12, tf_err = 0, tf_eip = -1070304340, tf_cs = 8,
tf_eflags = 66050, tf_esp = -1056902912,
tf_ss = -1056902912}) at /usr/src/sys/i386/i386/trap.c:466
#6 0xc03473ac in acquire_lock (lk=0xc0480e7c) at
/usr/src/sys/ufs/ffs/ffs_softdep.c:266
#7 0xc034b4ac in softdep_update_inodeblock (ip=0xc100f100,
bp=0xc380314c, waitfor=0)
at /usr/src/sys/ufs/ffs/ffs_softdep.c:3813
#8 0xc03464d5 in ffs_update (vp=0xcc97db00, waitfor=0) at
/usr/src/sys/ufs/ffs/ffs_inode.c:106
#9 0xc034e81a in ffs_sync (mp=0xc1010a00, waitfor=2, cred=0xc0b33880,
p=0xc04c09a0)
at /usr/src/sys/ufs/ffs/ffs_vfsops.c:1027
#10 0xc026e72f in sync (p=0xc04c09a0, uap=0x0) at
/usr/src/sys/kern/vfs_syscalls.c:583
#11 0xc023d626 in boot (howto=256) at
/usr/src/sys/kern/kern_shutdown.c:235
#12 0xc023dcb0 in poweroff_wait (junk=0xc043e66c, howto=-1069293201) at
/usr/src/sys/kern/kern_shutdown.c:595
#13 0xc03b06ca in trap_fatal (frame=0xc0447a1c, eva=92) at
/usr/src/sys/i386/i386/trap.c:974
#14 0xc03b039d in trap_pfault (frame=0xc0447a1c, usermode=0, eva=92) at
/usr/src/sys/i386/i386/trap.c:867
#15 0xc03aff5b in trap (frame={tf_fs = -1069088752, tf_es = -1071448048,
tf_ds = -1056178160, tf_edi = -1056134400,
tf_esi = -1069253728, tf_ebp = -1069254036, tf_isp = -1069254072,
tf_ebx = 23, tf_edx = 0, tf_ecx = -1056147712,
tf_eax = 1114963968, tf_trapno = 12, tf_err = 0, tf_eip =
-1071032826, tf_cs = 8, tf_eflags = 66066,
tf_esp = -1056134400, tf_ss = -1069253760}) at
/usr/src/sys/i386/i386/trap.c:466
#16 0xc0295606 in add_dyn_rule (id=0xc0447ba0, dyn_type=0 '\000',
rule=0xc10cab00) at /usr/src/sys/netinet/ip_fw.c:880
#17 0xc0295854 in install_state (rule=0xc10cab00, args=0xc0447b80) at
/usr/src/sys/netinet/ip_fw.c:1007
#18 0xc02961d8 in ip_fw_chk (args=0xc0447b80) at
/usr/src/sys/netinet/ip_fw.c:1467
#19 0xc0299b7e in ip_output (m0=0xc0b38b00, opt=0x0, ro=0xc0447c20,
flags=0, imo=0x0, inp=0x0)
at /usr/src/sys/netinet/ip_output.c:733
#20 0xc02979af in icmp_send (m=0xc0b38b00, opts=0x0, rt=0xc0447c20) at
/usr/src/sys/netinet/ip_icmp.c:774
#21 0xc0297918 in icmp_reflect (m=0xc0b38b00) at
/usr/src/sys/netinet/ip_icmp.c:735
#22 0xc0297519 in icmp_input (m=0xc0b38b00, off=20, proto=1) at
/usr/src/sys/netinet/ip_icmp.c:525
#23 0xc0298494 in ip_input (m=0xc0b38b00) at
/usr/src/sys/netinet/ip_input.c:950
#24 0xc02984f3 in ipintr () at /usr/src/sys/netinet/ip_input.c:971
#25 0xc03a2df9 in swi_net_next ()
Uname -a output:
FreeBSD countzero.inter.net.il 4.11-RELEASE-p4 FreeBSD 4.11-RELEASE-p4
#2: Mon May 2 12:10:50 IDT 2005
[EMAIL PROTECTED]:/usr/obj/usr/src/sys/IGLD i386
--
Imri Zvik
PGP (2.6.3ia) Public Key: http://mariska.inter.net.il/~imriz/imriz.pgp
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