Hi,
I have experience core dump signal 11 using tcpdump in amd64 arch.
8.0-PRERELEASE FreeBSD 8.0-PRERELEASE #14: Tue Nov 24 03:28:14 JST 2009
tcpdump -nvi em2 -> no core dump
tcpdump -nvi em2 -c 100 -> core dump
i try in i386 and the result: no coredump
here's the core file:
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This GDB was configured as "amd64-marcel-freebsd"...
Core was generated by `tcpdump'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /lib/libpcap.so.7...done.
Loaded symbols for /lib/libpcap.so.7
Reading symbols from /lib/libcrypto.so.6...done.
Loaded symbols for /lib/libcrypto.so.6
Reading symbols from /lib/libc.so.7...done.
Loaded symbols for /lib/libc.so.7
Reading symbols from /libexec/ld-elf.so.1...done.
Loaded symbols for /libexec/ld-elf.so.1
#0 0x0000000800b244e7 in free () from /lib/libc.so.7
(gdb) bt
#0 0x0000000800b244e7 in free () from /lib/libc.so.7
#1 0x00000008006f6a75 in pcap_cleanup_live_common (p=0x800e04400)
at /usr/src/lib/libpcap/../../contrib/libpcap/pcap.c:1158
#2 0x00000008006f7768 in pcap_cleanup_bpf (p=0x800e04400)
at /usr/src/lib/libpcap/../../contrib/libpcap/pcap-bpf.c:1218
#3 0x00000008006f65ee in pcap_close (p=0x800e04400)
at /usr/src/lib/libpcap/../../contrib/libpcap/pcap.c:1232
#4 0x0000000000452b04 in main (argc=Variable "argc" is not available.
)
at /usr/src/usr.sbin/tcpdump/tcpdump/../../../contrib/tcpdump/tcpdump.c:1230
thanks!
--
-dikshie-