From owner-freebsd-hackers Thu Oct 10 14:45:59 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6E09437B401 for ; Thu, 10 Oct 2002 14:45:57 -0700 (PDT) Received: from mail1.informationwave.net (dipole.informationwave.net [199.74.235.3]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0BD8343EDE for ; Thu, 10 Oct 2002 14:45:57 -0700 (PDT) (envelope-from abe@informationwave.net) Received: by mail1.informationwave.net (Postfix, from userid 1007) id A31394F917; Thu, 10 Oct 2002 17:44:13 -0400 (EDT) Date: Thu, 10 Oct 2002 17:44:13 -0400 From: abe To: Luigi Rizzo Cc: hackers@freebsd.org Subject: Re: fatal trap 12 kernel panic Message-ID: <20021010214413.GA71656@dipole.informationwave.net> References: <20021010212954.GA67855@dipole.informationwave.net> <20021010143948.B65814@carp.icir.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20021010143948.B65814@carp.icir.org> User-Agent: Mutt/1.4i Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Hi Luigi, Pardon, been a hectic week. Heh. I've tried this on fresh installs of 4.5-rel, 4.5-rel-p20, 4.6.2-p2, and 4.7-RC. On Thu, Oct 10, 2002 at 02:39:48PM -0700, Luigi Rizzo wrote: > what freebsd version are you using, are you using compiled-in ipfw or > a module ? > > cheers > luigi > > On Thu, Oct 10, 2002 at 05:29:54PM -0400, abe wrote: > > Hi, > > > > I've written to the questions list recently with regard to a panic that keeps occuring > > and perhaps my message was not formatted as well as it could have been. In more testing > > it seems that the minute the ipfw rules are loaded (which previously worked without issue), > > the machine panics. Any network connectivity attempted afterwards results in a panic. > > This includes ping, telnet, smtp, etc. When the machine panics, it drops into the debugger > > and displays the following: > > > > Stopped at add_dyn_rule+0172: movl 0(%edx,%ebx,4)x%eax > > > > I am including the entire 'trace' output from the debugger, but have also tried to > > produce a core to get a backtrace via gdb however it doesn't seem to be dumping a core. > > savecore="YES" as well as dumpdir and dumpdev are set properly in rc.conf, yet nothing > > is produced and the system claims no dumpdev is set. > > > > If anyone has any experience with this issue, as I believe it to be with ipfw due to > > lengthy testing on 4 different machines now (was 3 before), please feel free to email me > > and clue me in. Thanks a lot. > > > > Regards, > > > > Abe > > > > > add_dyn_rule(c0424894,0,c1258e00) at add_dyn_rule+0x172 > > install_state(c1258e00) at install_state+0x179 > > ip_fw_chk(cc88cda4,14,c1153000,cc88cdaa,cc88cdac) at ip_fw_chk+0x8d8 > > ip_output(c0e63800,0,cbafad7c,0,0) at ip_output+0x530 > > udp_output(cbafad40,c0e63800,0,0,cb69ba40) at udp_output+0x238 > > udp_send(cbac8980,0,c0e63800,0,0) at udp_send+0x20 > > sosend(cbac8980,0,cc88cecc,c0e63800,0) at sosend+0x5df > > sendit(cb69ba40,5,cc88cf0c,0,bfbfeb2b) at sendit+0x253 > > sendto(cb69ba40,cc88cf80,1b,bfbff400,0) at sendto+0x4e > > syscall2(2f,2f,2f,0,bfbff400) at syscall2+0x1f5 > > Xint0x80_syscall() at Xint0x80_syscall+0x25 > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message