Date: Mon, 8 Oct 2001 15:42:50 -0700 (PDT) From: Ivan Mikhnevich <ivan@intervelopers.com> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/31147: Kernel panics (double fault) in some "netinet" functions Message-ID: <200110082242.f98Mgom09995@freefall.freebsd.org>
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>Number: 31147 >Category: kern >Synopsis: Kernel panics (double fault) in some "netinet" functions >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Oct 08 15:50:01 PDT 2001 >Closed-Date: >Last-Modified: >Originator: Ivan Mikhnevich >Release: 4.1-RELEASE >Organization: interVelopers >Environment: FreeBSD dbaol.com 4.1-RELEASE FreeBSD 4.1-RELEASE #2: Thu Mar 8 17:55:35 EET 2001 root@dbaol.com:/usr/src/sys/compile/DBAOL i386 >Description: The problem is in frequent kernel panic (fatal double fault). It occurs once a day in average. Since August 2001, there were no more than 3 days of server's uptime. Last week it happend in the following functions: 1) eip = 0xc01e829e c01e8298 T ip_output 2) eip = 0xc01f395e c01f3958 T fr_makefrip 3) eip = 0xc01f4424 c01f4424 T fr_check 4) eip = 0xc01ef94f c01ef94c T tcp_rtlookup >How-To-Repeat: 1) Kernel configuration is derived from GENERIC but: options IPFIREWALL options IPFIREWALL_FORWARD options IPFIREWALL_VERBOSE_LIMIT=100 options IPFIREWALL_DEFAULT_TO_ACCEPT options IPDIVERT options IPFILTER options IPFILTER_LOG options IPSTEALTH 2) /etc/firewall.rules add deny icmp from any to any frag add pass icmp from any to any add pass udp from any to any 53,161,514 add pass udp from any 53,161,514 to any add fwd 216.55.6.182,8080 tcp from any to 216.55.15.17 80 add fwd 216.55.6.182,25 tcp from any to any 2525 add pass tcp from any to any smtp,http,ftp,ftp\-data,pop3,https,telnet,ssh add pass tcp from any smtp,http,ftp,ftp\-data,pop3,https,telnet,ssh to any add pass tcp from any to any 2525,3128,3514,8080,40202 add pass tcp from any 2525,3128,3514,8080,40202 to any add pass all from any to any via lo0 add deny all from any to 127.0.0.0/8 add deny tcp from any to any 3306 via fxp0 add 65000 deny all from any to any 3) Hardware is: Celeron 733, 128Mb ECC SDRAM, i810E chipset, Intel Pro 10/100B/100+ Ethernet a couple of 30Gb IDE HDDs: IBM-DTLA-307030 4) The server was OK for about 6 months. Now it reboots almost everyday. Probably, it's a kind of specific traffic that nukes this server. >Fix: >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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