Date: Thu, 10 Oct 2002 17:29:54 -0400 From: abe <abe@informationwave.net> To: hackers@freebsd.org Subject: fatal trap 12 kernel panic Message-ID: <20021010212954.GA67855@dipole.informationwave.net>
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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
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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
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