Here is the GDB session including the segmentation fault. The stack trace is
at the end.
# gdb /usr/local/bin/ntop
GNU gdb 4.18 (FreeBSD)
Copyright 1998 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
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This GDB was configured as "i386-unknown-freebsd"...Deprecated bfd_read called
at /usr/src/gnu/usr.bin/binutils/gdb/../../../../contrib/gdb/gdb/dbxread.c line
2627 in elfstab_build_psymtabs
Deprecated bfd_read called at
/usr/src/gnu/usr.bin/binutils/gdb/../../../../contrib/gdb/gdb/dbxread.c line
933 in fill_symbuf
(gdb) set args -L --set-pcap-nonblocking -i bge0 -w 3000 -W 0 -a
/var/log/ntop.access.log @/usr/local/etc/ntop/ntop.parms
(gdb) run
Starting program: /usr/local/bin/ntop -L --set-pcap-nonblocking -i bge0 -w 3000
-W 0 -a /var/log/ntop.access.log @/usr/local/etc/ntop/ntop.parms
Processing file /usr/local/etc/ntop/ntop.parms for parameters...
Fri Jan 6 15:05:40 2006 NOTE: Interface merge enabled by default
Fri Jan 6 15:05:40 2006 Initializing gdbm databases
WARNING: --set-pcap-nonblocking requested
Program received signal SIGSEGV, Segmentation fault.
0x295eb7d1 in rrd_graph (argc=65, argv=0xbfaa7c9c, prdata=0x29b62724,
xsize=0xbfa9a9c8, ysize=0xbfa9a9cc) at rrd_graph.c:2862
2862 }
(gdb) list
2857 output[outp++] = input[inp];
2858 }
2859 }
2860 output[outp] = '\0';
2861 return inp;
2862 }
2863
2864 int
2865 rrd_graph(int argc, char **argv, char ***prdata, int *xsize, int *ysize)
2866 {
(gdb) info threads
10 process 78427, thread 10 0x2993b653 in _thread_kern_sched () from
/usr/lib/libc_r.so.4
9 process 78427, thread 9 0x2993b653 in _thread_kern_sched () from
/usr/lib/libc_r.so.4
8 process 78427, thread 8 0x2993b653 in _thread_kern_sched () from
/usr/lib/libc_r.so.4
7 process 78427, thread 7 0x2993b653 in _thread_kern_sched () from
/usr/lib/libc_r.so.4
6 process 78427, thread 6 0x2993b653 in _thread_kern_sched () from
/usr/lib/libc_r.so.4
5 process 78427, thread 5 0x2993b653 in _thread_kern_sched () from
/usr/lib/libc_r.so.4
4 process 78427, thread 4 0x2993b653 in _thread_kern_sched () from
/usr/lib/libc_r.so.4
3 process 78427, thread 3 0x2993b653 in _thread_kern_sched () from
/usr/lib/libc_r.so.4
2 process 78427, thread 2 0x2993b653 in _thread_kern_sched () from
/usr/lib/libc_r.so.4
* 1 process 78427, thread 1 0x295eb7d1 in rrd_graph (argc=65, argv=0xbfaa7c9c,
prdata=0x29b62724, xsize=0xbfa9a9c8, ysize=0xbfa9a9cc)
at rrd_graph.c:2862
(gdb) info stack
#0 0x295eb7d1 in rrd_graph (argc=65, argv=0xbfaa7c9c, prdata=0x29b62724,
xsize=0xbfa9a9c8, ysize=0xbfa9a9cc) at rrd_graph.c:2862
#1 0x29b537de in graphSummary (rrdPath=0xbfaa863c "interfaces/bge0/",
rrdName=0xbfaa85fc "", graphId=4, startTime=0xbfaa851c "now-12h",
endTime=0xbfaa84fc "now", rrdPrefix=0xbfaa84dc "") at rrdPlugin.c:963
#2 0x29b5779b in handleRRDHTTPrequest (url=0xbfaa9aef "action") at
rrdPlugin.c:2524
#3 0x280e60f8 in handlePluginHTTPRequest (url=0xbfaa9ae5 "rrdPlugin?action")
at webInterface.c:9110
#4 0x280a3217 in returnHTTPPage (pageName=0xbfaa9add
"plugins/rrdPlugin?action", postLen=-1, from=0xbfaa9ce4,
httpRequestedAt=0xbfaa9584,
usedFork=0xbfaa9578,
agent=0xbfaa999c "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12)
Gecko/20050922 Fedora/1.0.7-1.1.fc4 Firefox/1.0.7",
referer=0xbfaa989c "http://localhost:3000/trafficStats.html";,
requestedLanguage=0xbfaa978c, numLang=0, isPostMethod=0) at http.c:2202
#5 0x280a6fab in handleHTTPrequest (from={hostFamily = 28, addr =
{_hostIp4Address = {s_addr = 0}, _hostIp6Address = {__u6_addr = {
__u6_addr8 =
"\000\000\000\000\000\000\000\000\uffff\237\uffff\uffff\f[\016(", __u6_addr16 =
{0, 0, 0, 0, 40892, 49066, 23308, 10254},
__u6_addr32 = {0, 0, 3215630268, 672029452}}}}}) at http.c:3610
#6 0x280e5eb9 in handleSingleWebConnection (fdmask=0xbfaa9f3c) at
webInterface.c:9062
#7 0x280e5b0c in handleWebConnections (notUsed=0x0) at webInterface.c:8914
#8 0x298ff240 in _thread_start () from /usr/lib/libc_r.so.4
#9 0x0 in ?? ()
(gdb)
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